Name: UC3843BD
Brand: ON Semiconductor
SKU: UC3843BD
Availability: InStock
Rating: 5 (125 reviews)

UC3843BD

For Reference Only

Part Number	UC3843BD
Manufacturer	ON Semiconductor
Description	IC REG CTRLR FLYBACK 14SOIC
Datasheet	UC3843BD Datasheet UC3843BD Specifications
Package	14-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	60,792 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 3 - May 8 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # UC3843BD (PMIC - Voltage Regulators - DC DC Switching Controllers) is manufactured by ON Semiconductor and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For UC3843BD specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add UC3843BD with quantity into BOM. Heisener.com does NOT require any registration to request a quote of UC3843BD.

UC3843BD Specifications

Manufacturer	ON Semiconductor
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Controllers
Package	14-SOIC (0.154", 3.90mm Width)
ECAD
Series	-
Output Type	Transistor Driver
Function	Step-Up/Step-Down
Output Configuration	Positive, Isolation Capable
Topology	Flyback
Number of Outputs	1
Output Phases	1
Voltage - Supply (Vcc/Vdd)	7.6 V ~ 30 V
Frequency - Switching	500kHz
Duty Cycle (Max)	96%
Synchronous Rectifier	No
Clock Sync	No
Serial Interfaces	-
Control Features	Frequency Control
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package	14-SOIC

UC3843BD Datasheet

UC3843BD Reviews

Jova*****Muni

April 8, 2023

★ ★ ★ ★ ★

Arrived safely. All OK. Thanks

Kel***** Seth

April 1, 2023

★ ★ ★ ★ ★

Awesome components selection and availability. Ordering process is easy. They don't spam me after the purchase.

Bowe*****lendez

March 22, 2023

★ ★ ★ ★ ★

good item, quick delivery, prefer to recommended.

Hope*****pton

March 9, 2023

★ ★ ★ ★ ★

Received Quickly. Excellent Communication. Capacitors Look Excellent.

Luk*****uni

March 8, 2023

★ ★ ★ ★ ★

Work Great. Would recommend. Only used 2. So I have 248 extras. Best deal by far that's why I got these.

Mave***** Rana

February 27, 2023

★ ★ ★ ★ ★

Have never had a problem with my order. Packages arrive on time and in great condition.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

UC3843BD Packaging

UC3843BD FAQ

1. How to order UC3843BD on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that UC3843BD is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the UC3843BD. All suppliers must pass our qualification reviews before they can publish their products including UC3843BD on Heisener; we pay more attention to the channels and quality of UC3843BD products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the UC3843BD price and inventory displayed accurate?

The price and inventory of UC3843BD fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of UC3843BD?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the UC3843BD we delivered, we will accept the replacement or return of the UC3843BD only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of UC3843BD.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as UC3843BD pin diagram, UC3843BD datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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UC3843BD Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number	Manufacturer	Description	Stock
UC3843BD1G D# E02:0323_00018817	ON Semiconductor	Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Rail RoHS: Compliant	0
UC3843BDG D# V79:2366_22403223	ON Semiconductor	Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N Tube RoHS: Compliant	0
UC3843BD1R2G D# V72:2272_07297580	ON Semiconductor	Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R RoHS: Compliant	0
UC3843BDR2G D# V72:2272_07297017	ON Semiconductor	Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N T/R RoHS: Compliant	0
UC3843BD1013TR D# V36:1790_06568298	STMicroelectronics	Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R RoHS: Compliant	0
UC3843BD1 D# V79:2366_17794393	STMicroelectronics	Current Mode PWM Controller 1A 500kHz 8-Pin SO N Tube RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
UC3843BD1 D# UC3843BD1	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N - Rail/Tube (Alt: UC3843BD1)	0
UC3843BD1R2 D# UC3843BD1R2	ON Semiconductor	ANA SMPS PWM CONTROLLER - Bulk (Alt: UC3843BD1R2) RoHS: Not Compliant	0
E-UC3843BD1013TR D# E-UC3843BD1013TR	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R - Tape and Reel (Alt: E-UC3843BD1013TR) RoHS: Compliant	0
UC3843BD1G D# UC3843BD1G	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N Rail - Bulk (Alt: UC3843BD1G)	0
UC3843BD1R2G D# UC3843BD1R2G	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N T/R - Tape and Reel (Alt: UC3843BD1R2G)	0
UC3843BDG D# UC3843BDG	ON Semiconductor	Current Mode PWM Controller 1A 14-Pin SOIC Rail - Rail/Tube (Alt: UC3843BDG)	0
UC3843BDR2G D# UC3843BDR2G	ON Semiconductor	Current Mode PWM Controller 1A 14-Pin SOIC T/R - Bulk (Alt: UC3843BDR2G)	0
UC3843BD1013TR D# UC3843BD1013TR	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R - Tape and Reel (Alt: UC3843BD1013TR)	0

Part Number	Manufacturer	Description	Stock
UC3843BD1R2G D# UC3843BD1R2G	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3843BD1R2G)	0
UC3843BD1013TR D# UC3843BD1013TR	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R (Alt: UC3843BD1013TR)	0
UC3843BDR2G D# UC3843BDR2G	ON Semiconductor	Current Mode PWM Controller 1A 14-Pin SOIC T/R (Alt: UC3843BDR2G)	0
UC3843BD1 D# UC3843BD1	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N (Alt: UC3843BD1)	0

Part Number	Manufacturer	Description	Stock
UC3843BDR2G D# UC3843BDR2G	ON Semiconductor	Current Mode PWM Controller 1A 14-Pin SOIC T/R (Alt: UC3843BDR2G)	0
UC3843BD1 D# UC3843BD1	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N (Alt: UC3843BD1)	0
UC3843BD1R2G D# UC3843BD1R2G	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3843BD1R2G)	0
UC3843BD1013TR D# UC3843BD1013TR	STMicroelectronics	Current Mode PWM Controller 1A 8-Pin SO N T/R (Alt: UC3843BD1013TR)	0
UC3843BD1G D# UC3843BD1G	ON Semiconductor	Current Mode PWM Controller 1A 8-Pin SOIC N Rail (Alt: UC3843BD1G)	0
UC3843BDG D# UC3843BDG	ON Semiconductor	Current Mode PWM Controller 1A 14-Pin SOIC Rail (Alt: UC3843BDG)	0

Part Number	Manufacturer	Description	Stock
UC3843BD1R2	ON Semiconductor		2500
UC3843BD1013TR	STMicroelectronics		7798
UC3843BDG	ON Semiconductor		323
UC3843BD1	.		292
UC3843BDR2G	ON Semiconductor		1599
UC3843BD1R2G	ON Semiconductor		2354
UC3843BD13TR	STMicroelectronics		60

Part Number	Manufacturer	Description	Stock
UC3843BDR2	ON Semiconductor	IC REG CTRLR PWM CM 14-SOIC	0
UC3843BD1R2	ON Semiconductor	- Tape and Reel	65000
E-UC3843BD1	STMicroelectronics	IC REG CTRLR BST FLYBK ISO 8SOIC	0
UC3843BD1013TR	STMicroelectronics	Min Qty 2500	70000
UC3843BDR2G	ON Semiconductor	IC REG CTRLR PWM CM 14-SOIC	0
E-UC3843BD1013TR	STMicroelectronics	IC REG CTRLR BST FLYBK ISO 8SOIC	0
UC3843BDG	ON Semiconductor	IC, CURRENT MODE PWM CTRL, 25V, SOIC-14	1980
UC3843BD1	ON Semiconductor	ANA SMPS PWM CONTROLLER	2058
UC3843BD1G	ON Semiconductor	ANA SMPS PWM CONTROLLER	2058
UC3843BD	ON Semiconductor	ANA SMPS PWM CONTROLLER	2058
UC3843BD1R2G	ON Semiconductor	- Tape and Reel	65000

Part Number	Manufacturer	Description	Stock
UC3843BD1013TR	STMicroelectronics	Boost, Flyback Regulator Positive, Isolation Capable Output Step-Up/Step-Down DC-DC Controller IC 8-SO	1670
UC3843BDR2G	ON Semiconductor	High Performance Current Mode Controllers	2426
UC3843BD1G	ON Semiconductor	SOIC-8_150mil DC-DC Converters RoHS	2033
UC3843BD1R2G	ON Semiconductor	Flyback Regulator Positive, Isolation Capable Output Step-Up/Step-Down DC-DC Controller IC 8-SOIC	7595

Part Number

Manufacturer

Description

Stock

UC3843BDR2

ON Semiconductor

N/A (ship within 1day) - D/C 2005

Part Number	Manufacturer	Description	Stock
E-UC3843BD1 D# E-UC3843BD1-ND	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SOIC	0
UC3843BDR2G D# UC3843BDR2GOSCT-ND	ON Semiconductor	IC REG CTRLR FLYBACK 14SOIC	889
UC3843BD1R2 D# 2156-UC3843BD1R2-ONTR-ND	Rochester Electronics LLC	SWITCHING CONTROLLER	4985
E-UC3843BD1013TR D# 497-4603-6-ND	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SOIC	0
UC3843BD1 D# 497-15689-5-ND	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SO	2322
UC3843BD1013TR D# 497-3681-2-ND	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SOIC	0
UC3843BDR2 D# UC3843BDR2-ND	ON Semiconductor	IC REG CTRLR FLYBACK 14SOIC	0
UC3843BD1R2G D# UC3843BD1R2GOSTR-ND	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC	0
UC3843BD1G D# UC3843BD1GOS-ND	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC	8367
UC3843BDG D# UC3843BDGOS-ND	ON Semiconductor	IC REG CTRLR FLYBACK 14SOIC	691

Part Number	Manufacturer	Description	Stock
UC3843BD1013TR	STMicroelectronics	In stock shipping within 2days	42125
UC3843BD1013	-	In stock shipping within 2days	120
UC3843BD1R2	-	In stock shipping within 2days	120
UC3843BDR2G	ON Semiconductor	In stock shipping within 2days	1660
UC3843BDI	N	In stock shipping within 2days	583
UC3843BD	STMicroelectronics	In stock shipping within 2days	573

Part Number	Manufacturer	Description	Stock
UC3843BD1013TR D# 2806980	STMicroelectronics	PWM CONTROLLER, 500KHZ, 15V, SOIC-8 RoHS: Compliant Min Qty: 1 Container: Cut Tape	567
UC3843BDR2G D# 2845219RL	ON Semiconductor	PWM CONT, CURRENT MODE, 500KHZ, SOIC-14 RoHS: Compliant Min Qty: 5 Container: Reel	0
UC3843BD1 D# 2806979	STMicroelectronics	PWM CONTROLLER, 500KHZ, 15V, SOIC-8 RoHS: Compliant Min Qty: 1 Container: Each	1705
UC3843BD1G D# 2102563	ON Semiconductor	IC, CURRENT MODE CONTROLLER, 15V, SOIC-8 RoHS: Compliant Min Qty: 1 Container: Each	6956
UC3843BD1R2G D# 2534257	ON Semiconductor	PWM CTRL, CURRENT MODE, 30V, SOIC-8 RoHS: Compliant Min Qty: 5 Container: Cut Tape	399
UC3843BDG D# 2318548	ON Semiconductor	PWM CNTRL, 30V, 250KHZ, 5VREF, 14SOIC RoHS: Compliant Min Qty: 1 Container: Each	40

Part Number

Manufacturer

Description

Stock

UC3843BD1G

NEW AND ORGINAL. ISRAEL W.HOUSE

195

Part Number	Manufacturer	Description	Stock
UC3843BD1G	ON Semiconductor	UC3843B Series 30 V 275 kHz High Performance Current Mode Controller - SOIC-8 RoHS: Compliant pbFree: Yes	10780
UC3843BD1R2G	ON Semiconductor	UC3843B Series 30 V 275 kHz High Performance Current Mode Controller - SOIC-8 RoHS: Compliant pbFree: Yes	0
UC3843BD1013TR	STMicroelectronics	UC3843B Series 30 V 17 mA High Performance Current Mode PWM Controller - SOIC-8 RoHS: Compliant pbFree: Yes	0
UC3843BDR2G	ON Semiconductor	UC3843B Series 5.25 V 275 kHz High Performance Current Mode Controller - SOIC-14 RoHS: Compliant pbFree: Yes	10000

Part Number	Manufacturer	Description	Stock
2UC3843BD1013TR	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	10502
UC3843BDR2	ON SEMICONDUCTOR	OEM/CM QUOTES ONLY \| NO BROKERS	113
UC3843BD1013TR		OEM/CM QUOTES ONLY \| NO BROKERS	119000
UC3843BD1	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	15120
UC3843BD12	STM Microelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	119
UC3843BD1R2ONSEMI	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	2649
UC3843BD1G	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	57025
UC3843BD1013	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	1477
UC3843BDG	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	5950
UC3843BD1R2G	On Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	59751
UC3843BD13TR	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	71
UC3843BD1R2	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	5932
UC3843BD	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	2975
UC3843BDR2G	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	10887
EUC3843BD1013TR	ST MICROELECTRONICS SEMI	OEM/CM QUOTES ONLY \| NO BROKERS	388

Part Number

Manufacturer

Description

Stock

UC3843BDR

Texas Instruments

OEM/CM ONLY

902

UC3843BD1013TR

Texas Instruments

OEM/CM ONLY

397

Part Number

Manufacturer

Description

Stock

UC3843BD1013TR

STMicroelectronics

UC3843BD1013TR

1000

Part Number	Manufacturer	Description	Stock
UC3843BD1R2G	ON Semiconductor	In Stock	2354
UC3843BD1013TR	ST Microwave Corporation	In stock	7798
UC3843BD1	ON Semiconductor	In stock	2084

Part Number

Manufacturer

Description

Stock

UC3843BD1G

D# C160679

ON Semiconductor

2033

UC3843BD1R2G

D# C16414

ON Semiconductor

22774

Part Number

Manufacturer

Description

Stock

UC3843BD1G

ON Semiconductor

in stock - can ship the same day

100

Part Number	Manufacturer	Description	Stock
UC3843BDG	ON Semiconductor	OEM/CM Immediate delivery	73
UC3843BD1R2G/NCV3843BVD1R2G	ON Semiconductor	OEM/CM Immediate delivery	333
UC3843BD1R2G	ON Semiconductor	OEM/CM Immediate delivery	30000
UC3843BDI	N	OEM/CM Immediate delivery	583
UC3843BD1013	STMicroelectronics	OEM/CM Immediate delivery	30000
UC3843BD	ON Semiconductor	OEM/CM Immediate delivery	3410
UC3843BDR2G	ON Semiconductor	OEM/CM Immediate delivery	1660
UC3843BD1013TR	STMicroelectronics	OEM/CM Immediate delivery	38270
UC3843BD013TR	STMicroelectronics	OEM/CM Immediate delivery	489
UC3843BD1	STMicroelectronics	OEM/CM Immediate delivery	131
UC3843BD1-LF	STMicroelectronics	OEM/CM Immediate delivery	3780

Part Number	Manufacturer	Description	Stock
UC3843BD1G D# 863-UC3843BD1G	ON Semiconductor	Switching Controllers 52kHz 1A Current PWM w/96% Duty Cycle Max RoHS: Compliant	5727
UC3843BDG D# 863-UC3843BDG	ON Semiconductor	Switching Controllers ANA SMPS PWM CNTRL RoHS: Compliant	1152
UC3843BD1 D# 511-UC3843BD	STMicroelectronics	Switching Controllers 0.5mA Current Mode RoHS: Compliant	1522

Part Number	Manufacturer	Description	Stock
UC3843BD1 D# XSKDRABS0022731	STMicroelectronics	SO 8/C/HIGH PERFORMANCE CURRENT MODE PWM CONTROLLER	6488
UC3843BDG D# XSKDRABV0039065	ON SEMICONDUCTOR	ANA SMPS PWM CONTROLLER	605
UC3843BD1G D# XSCRSN000010064	ON SEMICONDUCTOR		1898
UC3843BD1013TR D# XSKDRABS0022732	STMicroelectronics	SO 08 .15 JEDE/OFF LINE CMOD PW	5000
UC3843BDR2G D# XSFP00000067877	ON SEMICONDUCTOR	UC3843B Series 5.25 V 275 kHz High Performance Current Mode Controller - SOIC-14	15000

Part Number	Manufacturer	Description	Stock
UC3843BD1013TR D# 45AC7923	STMicroelectronics	PWM CONTROLLER, 500KHZ, 15V, SOIC-8, Input Voltage:-, Output Voltage:-, Output Current:1A, Supply Voltage Min:11V, Supply Voltage Max:30V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:500kHz, Product Range:-, MSL:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Cut Tape	59
UC3843BD1 D# 45AC7922	STMicroelectronics	PWM CONTROLLER, 500KHZ, 15V, SOIC-8, Input Voltage:-, Output Voltage:-, Output Current:1A, Supply Voltage Min:11V, Supply Voltage Max:30V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:500kHz, Product Range:-, MSL:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	314
UC3843BD1G. D# 26AC5109	ON Semiconductor	ANA SMPS PWM CONTROLLER ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 98 Container: Bulk	2104
UC3843BD1G D# 45J2379	ON Semiconductor	CURRENT MODE PWM CONTROLLER, 25V, 8-SOIC, Input Voltage:-, Output Voltage:13.4V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:8Pins, Frequency:52kHz, Product Range:-RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	1136
UC3843BD1R2G D# 38AH3120	ON Semiconductor	ANA SMPS PWM CONTROLLER ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 2500 Container: TAPE & REEL - FULL	0
UC3843BDG D# 90W0907	ON Semiconductor	PWM CTRL, 500KHZ, 0 TO 70DEG C, Input Voltage:-, Output Voltage:13.4V, Output Current:200mA, Supply Voltage Min:12V, Supply Voltage Max:25V, Controller IC Case Style:SOIC, No. of Pins:14Pins, Frequency:500kHz, Product Range:- RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	3
UC3843BDR2G D# 38AH3119	ON Semiconductor	ANA SMPS PWM CONTROLLER ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 2500 Container: TAPE & REEL - FULL	0

Part Number	Manufacturer	Description	Stock
UC3843BD1R2G D# NS-UC3843BD1R2G	ON Semiconductor	OEM/CM ONLY	2969
UC3843BD1G D# NS-UC3843BD1G	ON Semiconductor	OEM/CM ONLY	1751
UC3843BDR2 D# NS-UC3843BDR2	ON Semiconductor	OEM/CM ONLY	9449
UC3843BD D# NS-UC3843BD	ON Semiconductor	OEM/CM ONLY	4717
UC3843BDR2G D# NS-UC3843BDR2G	ON Semiconductor	OEM/CM ONLY	1810
UC3843BD1013TR D# NS-UC3843BD1013TR	STMicroelectronics	OEM/CM ONLY	20039
UC3843BD1R2 D# NS-UC3843BD1R2	ON Semiconductor	OEM/CM ONLY	2672
E-UC3843BD1013TR D# NS-E-UC3843BD1013TR	STMicroelectronics	OEM/CM ONLY	3838
UC3843BD1 D# NS-UC3843BD1	ON Semiconductor	OEM/CM ONLY	4737
UC3843BDG D# NS-UC3843BDG	ON Semiconductor	OEM/CM ONLY	1449

Part Number	Manufacturer	Description	Stock
UC3843BDR2	ON Semiconductor		76
UC3843BD1R2	ON Semiconductor		210
UC3843BD13TR	STMicroelectronics		48
UC3843BDR2G	ON Semiconductor		2000
UC3843BD1013TR	STMicroelectronics	IC CTRLR PWM CURR-MODE HP 8-SOIC	2500
UC3843BD1	STMicroelectronics	Swithed-Mode Power Supply Controller, Current Mode Type, Bi-Polar, 8 Pin, Plastic, SOP	2121

Part Number

Manufacturer

Description

Stock

UC3843BD1

D# UC3843BD1

STMicroelectronics

Semiconductor

2194

UC3843BD

D# UC3843BD

STMicroelectronics

Semiconductor

338

Part Number

Manufacturer

Description

Stock

UC3843BD1G

D# 6899954

ON Semiconductor

ON Semiconductor UC3843BD1G, PWM Current Mode Controller, 1 A, 500 kHz, 8-Pin SOIC, PK

Min Qty: 2

Container: Package

576

UC3843BD1R2G

D# 8084012

ON Semiconductor

ON Semiconductor UC3843BD1R2G, PWM Current Mode Controller, 1 A, 275 kHz, 30 V, 8-Pin SOIC, PK

Min Qty: 25

Container: Package

Part Number	Manufacturer	Description	Stock
UC3843BDR2G	ON Semiconductor	UC3843 Current-Mode PWM Controller RoHS: Compliant	27741
UC3843BD1R2	ON Semiconductor	UC3843 Current-Mode PWM Controller RoHS: Not Compliant	4985
UC3843BD1	ON Semiconductor	UC3843 Current-Mode PWM Controller RoHS: Compliant	308
UC3843BD1G	ON Semiconductor	UC3843 Current-Mode PWM Controller RoHS: Compliant	90707
UC3843BDG	ON Semiconductor	UC3843 Current-Mode PWM Controller RoHS: Compliant	2820

Part Number	Manufacturer	Description	Stock
UC3843BD1R2 ONSEMI	ON Semiconductor	OEM/CM ONLY	2242
EUC3843BD1013TR	STMicroelectronics	OEM/CM ONLY	353
UC3843BD1	SGS Semiconductor Ltd	OEM/CM ONLY	14820
2UC3843BD1013TR	STMicroelectronics	OEM/CM ONLY	9389
UC3843BD1R2G	ON Semiconductor	OEM/CM ONLY	42485
UC3843BDR2	ON Semiconductor	OEM/CM ONLY	111
UC3843BD1R2	ON Semiconductor	OEM/CM ONLY	6798
UC3843BD	STMicroelectronics	OEM/CM ONLY	3136
UC3843BD12	STMicroelectronics	OEM/CM ONLY	116
UC3843BD1013	STMicroelectronics	OEM/CM ONLY	1257
UC3843BD1013TR	STMicroelectronics	OEM/CM ONLY	18281
UC3843BD1SO8		OEM/CM ONLY	221
UC3843BDR2G	ON Semiconductor	OEM/CM ONLY	5016
UC3843BDG	ON Semiconductor	OEM/CM ONLY	449
UC3843BD13TR	STMicroelectronics	OEM/CM ONLY	76
UC3843BD1G	ON Semiconductor	OEM/CM ONLY	30016

Part Number	Manufacturer	Description	Stock
UC3843BDG	ON Semiconductor	IN stock Immediate delivery	68
UC3843BD1R2G/NCV3843BVD1R2G	ON Semiconductor	IN stock Immediate delivery	328
UC3843BD1-LF	STMicroelectronics	IN stock Immediate delivery	3795
UC3843BD1	STMicroelectronics	IN stock Immediate delivery	126
UC3843BD1R2G	ON Semiconductor	IN stock Immediate delivery	29985
UC3843BD1013	STMicroelectronics	IN stock Immediate delivery	29985
UC3843BDR2G	ON Semiconductor	IN stock Immediate delivery	1675
UC3843BDI	N	IN stock Immediate delivery	578
UC3843BD	ON Semiconductor	IN stock Immediate delivery	3425
UC3843BD013TR	STMicroelectronics	IN stock Immediate delivery	484
UC3843BD1013TR	STMicroelectronics	IN stock Immediate delivery	38255

Part Number	Manufacturer	Description	Stock
UC3843BD1G	STMicroelectronics	shipping today	478
UC3843BD1R2G	ON Semiconductor	shipping today	149996
UC3843BDI	N	shipping today	28009
UC3843BD	International Rectifier	shipping today	796
UC3843BD103TR	STMicroelectronics	shipping today	48496
UC3843BD1R2	Motorola Mobility LLC	shipping today	1424
UC3843BDR2G	ON Semiconductor	shipping today	2836
UC3843BD1-LF	STMicroelectronics	shipping today	3781
UC3843BD1	STMicroelectronics	shipping today	130

Part Number	Manufacturer	Description	Stock
UC3843BD1G D# 26621046	ON Semiconductor	Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Rail RoHS: Compliant	0
UC3843BDG D# 25633090	ON Semiconductor	Current Mode PWM Controller 1A 500kHz 14-Pin SOIC N Tube RoHS: Compliant	0
UC3843BD1013TR D# 36284616	STMicroelectronics	Current Mode PWM Controller 1A 500kHz 8-Pin SO N T/R RoHS: Compliant	0
UC3843BD1 D# 36316148	STMicroelectronics	Current Mode PWM Controller 1A 500kHz 8-Pin SO N Tube RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
UC3843BD	mfr	RFQ	3751
E-UC3843BD1	STMicroelectronics	RFQ	10775
UC3843BDT	STMicroelectronics	RFQ	2559
UC3843BDG	ON Semiconductor	RFQ	2313
UC3843BD1	STMicroelectronics	RFQ	11564
UC3843BDR2G	mfr	RFQ	8721

Part Number	Manufacturer	Description	Stock
UC3843BD1013TR	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SOIC	119367
UC3843BDG	ON Semiconductor	IC REG CTRLR FLYBACK 14SOIC	2268
UC3843BD1	STMicroelectronics	IC REG CTRLR BOOST/FLYBACK 8SO	3400
UC3843BDR2G	ON Semiconductor	IC REG CTRLR FLYBACK 14SOIC	10000
UC3843BD1R2G	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC	483063
UC3843BDR2	ON Semiconductor	High Performance Current Mode Controllers \| IC REG CTRLR FLYBACK 14SOIC	3400

Part Number	Manufacturer	Description	Stock
UC3843BDR2G D# 2845219	ON Semiconductor	PWM CONT, CURRENT MODE, 500KHZ, SOIC-14 RoHS: Compliant Min Qty: 5 Container: Cut Tape	0
UC3843BD1013TR D# 2806980	STMicroelectronics	PWM CONTROLLER, 500KHZ, 15V, SOIC-8 RoHS: Compliant Min Qty: 1 Container: Cut Tape	567
UC3843BD1 D# 2806979	STMicroelectronics	PWM CONTROLLER, 500KHZ, 15V, SOIC-8 RoHS: Compliant Min Qty: 1 Container: Each	0
UC3843BDG D# 2318548	ON Semiconductor	PWM CNTRL, 30V, 250KHZ, 5VREF, 14SOIC RoHS: Compliant Min Qty: 1 Container: Each	40
UC3843BD1G D# 1705973	ON Semiconductor	RoHS: Compliant Min Qty: 1 Container: Each	1141
UC3843BD1R2G D# 2534257	ON Semiconductor	PWM CTRL, CURRENT MODE, 30V, SOIC-8 RoHS: Compliant Min Qty: 1 Container: Cut Tape	0

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UC3843BD

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Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

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