Name: KA3842B
Brand: Fairchild/ON Semiconductor
SKU: KA3842B
Price: 0.3444 USD
Availability: InStock
Rating: 5 (87 reviews)

KA3842B

For Reference Only

Part Number	KA3842B
Manufacturer	Fairchild/ON Semiconductor
Description	IC REG CTRLR PWM CM 8-DIP
Datasheet	KA3842B Datasheet KA3842B Specifications
Package	8-DIP (0.300", 7.62mm)
ECAD
In Stock	405,564 piece(s)
Unit Price	$ 0.3444 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 16 - Jun 21 (Choose Expedited Shipping)
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Part Number # KA3842B (PMIC - AC DC Converters, Offline Switchers) 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 KA3842B specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add KA3842B with quantity into BOM. Heisener.com does NOT require any registration to request a quote of KA3842B.

KA3842B Specifications

Manufacturer	Fairchild/ON Semiconductor
Category	Integrated Circuits (ICs) - PMIC - AC DC Converters, Offline Switchers
Package	8-DIP (0.300", 7.62mm)
ECAD
Series	-
Output Isolation	-
Internal Switch(s)	No
Voltage - Breakdown	-
Topology	-
Voltage - Start Up	16V
Voltage - Supply (Vcc/Vdd)	10 V ~ 30 V
Duty Cycle	97%
Frequency - Switching	Up to 500kHz
Power (Watts)	-
Fault Protection	-
Control Features	Frequency Control
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	8-DIP (0.300", 7.62mm)
Supplier Device Package	8-DIP
Mounting Type	Through Hole

KA3842B Datasheet

KA3842B Reviews

Ale***** Kibe

March 11, 2023

★ ★ ★ ★ ★

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

Franc*****Hunter

March 4, 2023

★ ★ ★ ★ ★

A convenient and small package. I have used 2 of the 10 units so far and they work fine.

Ramo*****rsen

February 27, 2023

★ ★ ★ ★ ★

I've never had a problem with Heisener. Packages arrive on time and in great condition.

Jon*****ith

February 21, 2023

★ ★ ★ ★ ★

I got a very helpful customer service here. Definitely will order my electronics needs again.

Write a Review

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KA3842B Packaging

KA3842B FAQ

1. How to order KA3842B 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 KA3842B is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the KA3842B. All suppliers must pass our qualification reviews before they can publish their products including KA3842B on Heisener; we pay more attention to the channels and quality of KA3842B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the KA3842B price and inventory displayed accurate?

The price and inventory of KA3842B 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 KA3842B?

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 KA3842B we delivered, we will accept the replacement or return of the KA3842B 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 KA3842B.

(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 KA3842B pin diagram, KA3842B datasheet?

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

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KA3842B 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

KA3842B

D# KA3842B

ON Semiconductor

CURRENT MODE PWM CONTROL IC - Bulk (Alt: KA3842B)

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
KA3842BDTF	Fairchild Semiconductor Corporation	N/A 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 SOP-14	6450
KA3842B	Fairchild Semiconductor Corporation	N/A 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 SOP-14	4790
KA3842BD	Fairchild Semiconductor Corporation	N/A 1 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO14 SOP-14	4790

Part Number	Manufacturer	Description	Stock
KA3842BD D# 2156-KA3842BD-FS-ND	Rochester Electronics LLC	SWITCHING CONTROLLER	0
KA3842BDTF D# 2156-KA3842BDTF-ND	Rochester Electronics LLC	SWITCHING CONTROLLER	0
KA3842B D# 2156-KA3842B-FS-ND	Rochester Electronics LLC	SWITCHING CONTROLLER	40759

Part Number

Manufacturer

Description

Stock

KA3842BDTF

D# KA3842BDTF

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

2441

KA3842BD

D# KA3842BD

Samsung Electro-Mechanics

3974

Part Number

Manufacturer

Description

Stock

KA3842BD

Samsung Electronics Co. Ltd

In stock shipping within 2days

269

Part Number	Manufacturer	Description	Stock
KA3842BD	Fairchild Semiconductor Corporation	OEM/CM QUOTES ONLY \| NO BROKERS	5638
KA3842BSAMSUNG	Samsung Electronics Co. Ltd	OEM/CM QUOTES ONLY \| NO BROKERS	22
KA3842B	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	47628
KA3842BDTF	Rochester Electronics LLC	OEM/CM QUOTES ONLY \| NO BROKERS	1682

Part Number	Manufacturer	Description	Stock
KA3842BD	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	4790
KA3842BN	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	120
KA3842B	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	27140
KA3842BDTF	Fairchild Semiconductor Corporation	OEM/CM Immediate delivery	36530

Part Number

Manufacturer

Description

Stock

KA3842B

D# 82C6439

ON Semiconductor

IC,SMPS CONTROLLER,CURRENT-MODE,BIPOLAR,DIP,8PIN,PLASTIC ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 3000

Container: Bulk

Part Number

Manufacturer

Description

Stock

KA3842B

D# NS-KA3842B

Fairchild Semiconductor Corporation

OEM/CM ONLY

2212

KA3842BDTF

D# NS-KA3842BDTF

Fairchild Semiconductor Corporation

OEM/CM ONLY

2423

Part Number

Manufacturer

Description

Stock

KA3842B

Fairchild Semiconductor Corporation

SWITCHING CONTROLLER

Part Number

Manufacturer

Description

Stock

KA3842B

Fairchild Semiconductor Corporation

KA3842 - Switching Controller, Current-mode, 1A, 500kHz Switching Freq-Max, BIPolar, PDIP8

RoHS: Compliant

40759

Part Number	Manufacturer	Description	Stock
KA3842BDTF	Fairchild Semiconductor Corporation	OEM/CM ONLY	516
KA3842BD	Fairchild Semiconductor Corporation	OEM/CM ONLY	255
KA3842B	Fairchild Semiconductor Corporation	OEM/CM ONLY	4966

Part Number	Manufacturer	Description	Stock
KA3842BN	Fairchild Semiconductor Corporation	IN stock Immediate delivery	115
KA3842B	Fairchild Semiconductor Corporation	IN stock Immediate delivery	27125
KA3842BDTF	Fairchild Semiconductor Corporation	IN stock Immediate delivery	36515
KA3842BD	Fairchild Semiconductor Corporation	IN stock Immediate delivery	4805

Part Number	Manufacturer	Description	Stock
KA3842BN	Fairchild Semiconductor Corporation	shipping today	116
KA3842BD	Samsung Electro-Mechanics	shipping today	2055
KA3842B	Samsung Electro-Mechanics	shipping today	2996

Part Number

Manufacturer

Description

Stock

KA3842BD

mfr

RFQ

10847

KA3842B

mfr

RFQ

11817

Part Number

Manufacturer

Description

Stock

KA3842B

Fairchild Semiconductor Corporation

IC REG CTRLR PWM CM 8-DIP

900

Quick Inquiry

KA3842B

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.

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