Name: UC3843BD1R2
Brand: ON Semiconductor
SKU: UC3843BD1R2
Price: 0.2394 USD
Availability: InStock
Rating: 5 (136 reviews)

UC3843BD1R2

For Reference Only

Part Number	UC3843BD1R2
Manufacturer	ON Semiconductor
Description	IC REG CTRLR FLYBACK 8SOIC
Datasheet	UC3843BD1R2 Datasheet UC3843BD1R2 Specifications
Package	8-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	19,440 piece(s)
Unit Price	$ 0.2394 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 3 - May 8 (Choose Expedited Shipping)
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Part Number # UC3843BD1R2 (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 UC3843BD1R2 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add UC3843BD1R2 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of UC3843BD1R2.

UC3843BD1R2 Specifications

Manufacturer	ON Semiconductor
Category	Integrated Circuits (ICs) - PMIC - Voltage Regulators - DC DC Switching Controllers
Package	8-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	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC

UC3843BD1R2 Datasheet

UC3843BD1R2 Reviews

Must*****Pratt

April 6, 2023

★ ★ ★ ★ ★

To be honest, I think you are doing an outstanding job.

Orio*****utista

March 2, 2023

★ ★ ★ ★ ★

Most of the reviews for this product were positive so I took a chance.

Kod*****andey

February 28, 2023

★ ★ ★ ★ ★

Worked wonderfully. Went through the instructions to the tea to make sure it was done correctly.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

UC3843BD1R2 Packaging

UC3843BD1R2 FAQ

1. How to order UC3843BD1R2 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 UC3843BD1R2 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the UC3843BD1R2. All suppliers must pass our qualification reviews before they can publish their products including UC3843BD1R2 on Heisener; we pay more attention to the channels and quality of UC3843BD1R2 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the UC3843BD1R2 price and inventory displayed accurate?

The price and inventory of UC3843BD1R2 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 UC3843BD1R2?

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 UC3843BD1R2 we delivered, we will accept the replacement or return of the UC3843BD1R2 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 UC3843BD1R2.

(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 UC3843BD1R2 pin diagram, UC3843BD1R2 datasheet?

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

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UC3843BD1R2 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

UC3843BD1R2G

D# V72:2272_07297580

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N T/R

RoHS: Compliant

UC3843BD1G

D# E02:0323_00018817

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Rail

RoHS: Compliant

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

Part Number

Manufacturer

Description

Stock

UC3843BD1R2G

D# UC3843BD1R2G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3843BD1R2G)

Part Number

Manufacturer

Description

Stock

UC3843BD1G

D# UC3843BD1G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N Rail (Alt: UC3843BD1G)

UC3843BD1R2G

D# UC3843BD1R2G

ON Semiconductor

Current Mode PWM Controller 1A 8-Pin SOIC N T/R (Alt: UC3843BD1R2G)

Part Number

Manufacturer

Description

Stock

UC3843BD1R2G

ON Semiconductor

2354

UC3843BD1R2

ON Semiconductor

2500

Part Number	Manufacturer	Description	Stock
UC3843BD1G	ON Semiconductor	ANA SMPS PWM CONTROLLER	2058
UC3843BD1R2G	ON Semiconductor	- Tape and Reel	65000
UC3843BD1R2	ON Semiconductor	- Tape and Reel	65000

Part Number

Manufacturer

Description

Stock

UC3843BD1R2G

ON Semiconductor

Flyback Regulator Positive, Isolation Capable Output Step-Up/Step-Down DC-DC Controller IC 8-SOIC

7595

UC3843BD1G

ON Semiconductor

SOIC-8_150mil DC-DC Converters RoHS

2033

Part Number	Manufacturer	Description	Stock
UC3843BD1R2 D# 2156-UC3843BD1R2-ONTR-ND	Rochester Electronics LLC	SWITCHING CONTROLLER	4985
UC3843BD1G D# UC3843BD1GOS-ND	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC	8367
UC3843BD1R2G D# UC3843BD1R2GOSTR-ND	ON Semiconductor	IC REG CTRLR FLYBACK 8SOIC	0

Part Number

Manufacturer

Description

Stock

UC3843BD1R2

In stock shipping within 2days

120

Part Number

Manufacturer

Description

Stock

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

Part Number

Manufacturer

Description

Stock

UC3843BD1G

NEW AND ORGINAL. ISRAEL W.HOUSE

195

Part Number

Manufacturer

Description

Stock

UC3843BD1R2G

ON Semiconductor

UC3843B Series 30 V 275 kHz High Performance Current Mode Controller - SOIC-8

RoHS: Compliant

pbFree: Yes

UC3843BD1G

ON Semiconductor

UC3843B Series 30 V 275 kHz High Performance Current Mode Controller - SOIC-8

RoHS: Compliant

pbFree: Yes

10780

Part Number	Manufacturer	Description	Stock
UC3843BD1G	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	57025
UC3843BD1R2G	On Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	59751
UC3843BD1R2ONSEMI	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	2649
2UC3843BD1R2G	ON Semiconductor	OEM/CM QUOTES ONLY \| NO BROKERS	2625
UC3843BD1R2	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	5932

Part Number

Manufacturer

Description

Stock

UC3843BD1R2G

ON Semiconductor

In Stock

2354

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

UC3843BD1R2G/NCV3843BVD1R2G

ON Semiconductor

OEM/CM Immediate delivery

333

UC3843BD1R2G

ON Semiconductor

OEM/CM Immediate delivery

30000

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

Part Number

Manufacturer

Description

Stock

UC3843BD1G

D# XSCRSN000010064

ON SEMICONDUCTOR

1898

Part Number

Manufacturer

Description

Stock

UC3843BD1R2G

D# 38AH3120

ON Semiconductor

ANA SMPS PWM CONTROLLER ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 2500

Container: TAPE & REEL - FULL

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

Part Number	Manufacturer	Description	Stock
UC3843BD1R2 D# NS-UC3843BD1R2	ON Semiconductor	OEM/CM ONLY	2672
UC3843BD1G D# NS-UC3843BD1G	ON Semiconductor	OEM/CM ONLY	1751
UC3843BD1R2G D# NS-UC3843BD1R2G	ON Semiconductor	OEM/CM ONLY	2969

Part Number

Manufacturer

Description

Stock

UC3843BD1R2

ON Semiconductor

210

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

UC3843BD1G

ON Semiconductor

UC3843 Current-Mode PWM Controller

RoHS: Compliant

90707

UC3843BD1R2

ON Semiconductor

UC3843 Current-Mode PWM Controller

RoHS: Not Compliant

4985

Part Number	Manufacturer	Description	Stock
UC3843BD1G	ON Semiconductor	OEM/CM ONLY	30016
UC3843BD1R2 ONSEMI	ON Semiconductor	OEM/CM ONLY	2242
UC3843BD1R2G	ON Semiconductor	OEM/CM ONLY	42485
UC3843BD1R2	ON Semiconductor	OEM/CM ONLY	6798

Part Number

Manufacturer

Description

Stock

UC3843BD1R2G

ON Semiconductor

IN stock Immediate delivery

29985

UC3843BD1R2G/NCV3843BVD1R2G

ON Semiconductor

IN stock Immediate delivery

328

Part Number	Manufacturer	Description	Stock
UC3843BD1R2G	ON Semiconductor	shipping today	149996
UC3843BD1R2	Motorola Mobility LLC	shipping today	1424
UC3843BD1G	STMicroelectronics	shipping today	478

Part Number

Manufacturer

Description

Stock

UC3843BD1G

D# 26621046

ON Semiconductor

Current Mode PWM Controller 1A 500kHz 8-Pin SOIC N Rail

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

UC3843BD1R2G

ON Semiconductor

IC REG CTRLR FLYBACK 8SOIC

483063

Part Number

Manufacturer

Description

Stock

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

Quick Inquiry

UC3843BD1R2

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