Name: KA3843BD
Brand: Fairchild/ON Semiconductor
SKU: KA3843BD
Price: 0.4616 USD
Availability: InStock
Rating: 5 (91 reviews)

KA3843BD

For Reference Only

Part Number	KA3843BD
Manufacturer	Fairchild/ON Semiconductor
Description	IC REG CTRLR 14-SOP
Datasheet	KA3843BD Datasheet KA3843BD Specifications
Package	14-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	33,600 piece(s)
Unit Price	$ 0.4616 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 3 - May 8 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # KA3843BD (PMIC - Voltage Regulators - DC DC Switching Controllers) is manufactured by Fairchild/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 KA3843BD specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add KA3843BD with quantity into BOM. Heisener.com does NOT require any registration to request a quote of KA3843BD.

KA3843BD Specifications

Manufacturer	Fairchild/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	-
Output Configuration	Positive
Topology	-
Number of Outputs	1
Output Phases	1
Voltage - Supply (Vcc/Vdd)	7.6 V ~ 30 V
Frequency - Switching	Up to 500kHz
Duty Cycle (Max)	97%
Synchronous Rectifier	Yes
Clock Sync	No
Serial Interfaces	-
Control Features	-
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	14-SOIC (0.154", 3.90mm Width)
Supplier Device Package	14-SOP

KA3843BD Datasheet

KA3843BD Reviews

Call*****kinner

March 26, 2023

★ ★ ★ ★ ★

Excellent safe and secure packing. Fast ship out. Thanks

Vivi*****Dennis

March 14, 2023

★ ★ ★ ★ ★

Very pleased with the parts from this company. First class service. Thanks!

Mol*****Evans

March 10, 2023

★ ★ ★ ★ ★

Order arrived to Estonia in 3 days. Item as described. Well packed.

Henri*****liamson

February 26, 2023

★ ★ ★ ★ ★

I have always get a fast response from Heisener with my orders. As a small business owner I greatly appreciate that I can order as little as 1 item as opposed to other companies who require you place a larger minimum order.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

KA3843BD Packaging

KA3843BD FAQ

1. How to order KA3843BD 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 KA3843BD is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the KA3843BD. All suppliers must pass our qualification reviews before they can publish their products including KA3843BD on Heisener; we pay more attention to the channels and quality of KA3843BD products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the KA3843BD price and inventory displayed accurate?

The price and inventory of KA3843BD 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 KA3843BD?

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 KA3843BD we delivered, we will accept the replacement or return of the KA3843BD 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 KA3843BD.

(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 KA3843BD pin diagram, KA3843BD datasheet?

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

KA3843BD Related Products

DSC1001CL1-024.0000	Microchip Technology, OSC MEMS 24.000MHZ CMOS SMD, 4-SMD, No Lead, -	View
C1608X7R1H102K/10	TDK Corporation, CAP CER 1000PF 50V X7R 0603, 0603 (1608 Metric), -	View
1812Y0500821KAR	Knowles Syfer, CAP CER 1812, -, -	View
1210Y1000563KXT	Knowles Syfer, CAP CER 0.056UF 100V X7R 1210, 1210 (3225 Metric), -	View
SIHW33N60E-GE3	Vishay Siliconix, MOSFET N-CH 600V 33A TO-247AD, TO-3P-3 Full Pack, -	View
MT48LC8M16A2P-7E:G TR	Micron Technology Inc., IC SDRAM 128MBIT 133MHZ 54TSOP, 54-TSOP (0.400", 10.16mm Width), -	View
SN74LV05ADGVR	Texas Instruments, IC HEX INVERTER W/OD OUT 14TVSOP, 14-TFSOP (0.173", 4.40mm Width), -	View
CP000547R00KB143	Vishay Dale, RES 47 OHM 5W 10% AXIAL, Axial, -	View
KTR10EZPF1694	Rohm Semiconductor, RES SMD 1.69M OHM 1% 1/8W 0805, 0805 (2012 Metric), -	View
SMH152-LPSE-D21-SP-BK	Sullins Connector Solutions, CONN HEADER 1MM 42POS, -, -	View
0022281248	Molex, LLC, KK 100 HDR FRLK BWR RTAN 24POS, -, -	View
MS27472E24B61P	Amphenol Aerospace Operations, JT 61C 61#20 PIN WALL RECP, -, -	View

KA3843BD 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

KA3843BD

D# KA3843BD

ON Semiconductor

SWITCHING CONTROLLER, CURRENT-MODE, 1A, 500KHZ SWITCHING FREQ-MAX, BIPOLAR, PDSO14 - Bulk (Alt: KA3843BD)

RoHS: Not Compliant

KA3843BDTF

D# KA3843BDTF

ON Semiconductor

Regulator Positive Output DC-DC Controller IC 14-SOP - Bulk (Alt: KA3843BDTF)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

KA3843BD

Fairchild Semiconductor Corporation

Current Mode PWM Controller 1A 14-Pin SOIC N Rail

KA3843BDTF

Fairchild Semiconductor Corporation

N/A 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 SOP-14

5750

Part Number

Manufacturer

Description

Stock

KA3843BD

D# 2156-KA3843BD-FS-ND

Rochester Electronics LLC

SWITCHING CONTROLLER

4760

KA3843BDTF

D# 2156-KA3843BDTF-FSTR-ND

Rochester Electronics LLC

SWITCHING CONTROLLER

5750

Part Number

Manufacturer

Description

Stock

KA3843BDTF

D# KA3843BDTF

Samsung Electro-Mechanics

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

1423

Part Number

Manufacturer

Description

Stock

KA3843BD

Fairchild Semiconductor Corporation

In stock shipping within 2days

940

Part Number

Manufacturer

Description

Stock

KA3843BDTF

Fairchild Semiconductor Corporation

OEM/CM QUOTES ONLY | NO BROKERS

34800

KA3843BD

Rochester Electronics LLC

OEM/CM QUOTES ONLY | NO BROKERS

5522

Part Number

Manufacturer

Description

Stock

KA3843BDTF

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

5750

KA3843BD

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

4760

Part Number

Manufacturer

Description

Stock

KA3843BD

D# NS-KA3843BD

Fairchild Semiconductor Corporation

OEM/CM ONLY

1224

Part Number

Manufacturer

Description

Stock

KA3843BD

Fairchild Semiconductor Corporation

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14

RoHS: Compliant

4760

KA3843BDTF

Fairchild Semiconductor Corporation

Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDSO14

RoHS: Compliant

5750

Part Number

Manufacturer

Description

Stock

KA3843BDTF

Fairchild Semiconductor Corporation

OEM/CM ONLY

30016

Part Number

Manufacturer

Description

Stock

KA3843BDTF

Fairchild Semiconductor Corporation

IN stock Immediate delivery

5765

KA3843BD

Fairchild Semiconductor Corporation

IN stock Immediate delivery

4775

Part Number

Manufacturer

Description

Stock

KA3843BD

Fairchild Semiconductor Corporation

shipping today

1402

Quick Inquiry

KA3843BD

Certified Quality

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.

ISO9001:2015, ICAS, IAF, UKAS