Name: VIPER12AS
Brand: STMicroelectronics
SKU: VIPER12AS
Availability: InStock
Rating: 5 (177 reviews)

VIPER12AS

For Reference Only

Part Number	VIPER12AS
Manufacturer	STMicroelectronics
Description	IC OFFLINE SWIT PWM SMPS 8SOIC
Datasheet	VIPER12AS Datasheet VIPER12AS Specifications
Package	8-SOIC (0.154", 3.90mm Width)
ECAD
In Stock	29,820 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 22 - Apr 27 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # VIPER12AS (PMIC - AC DC Converters, Offline Switchers) is manufactured by STMicroelectronics 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 VIPER12AS specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add VIPER12AS with quantity into BOM. Heisener.com does NOT require any registration to request a quote of VIPER12AS.

VIPER12AS Specifications

Manufacturer	STMicroelectronics
Category	Integrated Circuits (ICs) - PMIC - AC DC Converters, Offline Switchers
Package	8-SOIC (0.154", 3.90mm Width)
ECAD
Series	VIPER?
Output Isolation	Non-Isolated
Internal Switch(s)	Yes
Voltage - Breakdown	730V
Topology	-
Voltage - Start Up	14.5V
Voltage - Supply (Vcc/Vdd)	9 V ~ 38 V
Duty Cycle	-
Frequency - Switching	60kHz
Power (Watts)	8W
Fault Protection	Current Limiting, Over Temperature, Over Voltage
Control Features	-
Operating Temperature	-40°C ~ 150°C (TC)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Supplier Device Package	8-SOIC
Mounting Type	Surface Mount

VIPER12AS Datasheet

VIPER12AS Reviews

Char*****Bedi

April 9, 2023

★ ★ ★ ★ ★

They worked great. Not much to say - as far as I can tell they adhere to the specs, and did the job I needed them to. Good transistors for higher current situations.

Jade*****ormick

April 9, 2023

★ ★ ★ ★ ★

This was a perfect replacement for the original mode. 5 minutes and it was up and running like new.

Kol***** Loke

March 26, 2023

★ ★ ★ ★ ★

Best way to locate what I need, on a fast and efficient shipping! Keep up the good work!

Franc*****dgers

March 18, 2023

★ ★ ★ ★ ★

I like doing business with Heisener. Get all the items I want. The website is well organized, intuitive, works correctly and pages load quickly. Well done!

Jole*****elgado

March 16, 2023

★ ★ ★ ★ ★

Very user friendly to find part and specs. Easy to deal with the transaction for different payment types. Thanks!

Nayel*****uivel

March 8, 2023

★ ★ ★ ★ ★

The items I want are often in stock and available in small quantities.

Ell*****handa

March 1, 2023

★ ★ ★ ★ ★

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

Cad*****Nava

February 28, 2023

★ ★ ★ ★ ★

Excellent Seller, Great Products, Fast Reliable Service.

Jade*****ndhawa

February 28, 2023

★ ★ ★ ★ ★

Worked as advertised and good price. Can you imagine buying these at local store it would cost way to much.

Write a Review

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VIPER12AS Packaging

VIPER12AS FAQ

1. How to order VIPER12AS 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 VIPER12AS is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the VIPER12AS. All suppliers must pass our qualification reviews before they can publish their products including VIPER12AS on Heisener; we pay more attention to the channels and quality of VIPER12AS products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the VIPER12AS price and inventory displayed accurate?

The price and inventory of VIPER12AS 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 VIPER12AS?

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 VIPER12AS we delivered, we will accept the replacement or return of the VIPER12AS 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 VIPER12AS.

(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 VIPER12AS pin diagram, VIPER12AS datasheet?

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

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VIPER12AS 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

VIPER12ASTR-E

D# E54:1762_10952733

STMicroelectronics

AC to DC Switching Converter Off-Line Switcher 66kHz T/R 8-Pin SO N

RoHS: Compliant

VIPER12AS-E

D# E02:0323_00043095

STMicroelectronics

AC to DC Switching Converter Off-Line Switcher 66kHz Tube 8-Pin SO N

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

VIPER12AS - E

D# 88K1667

STMicroelectronics

Primary Switch 8-Pin SO N Tube - Product that comes on tape, but is not reeled (Alt: 88K1667)

RoHS: Compliant

VIPER12ASTR-E

D# VIPER12ASTR-E

STMicroelectronics

Primary Switch 8-Pin SO N T/R - Tape and Reel (Alt: VIPER12ASTR-E)

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

D# VIPER12ASTR-E

STMicroelectronics

Primary Switch 8-Pin SO N T/R (Alt: VIPER12ASTR-E)

Part Number

Manufacturer

Description

Stock

VIPER12AS - E

D# VIPER12AS-E

STMicroelectronics

Primary Switch 8-Pin SO N Tube (Alt: VIPER12AS-E)

VIPER12ASTR-E

D# VIPER12ASTR-E

STMicroelectronics

Primary Switch 8-Pin SO N T/R (Alt: VIPER12ASTR-E)

Part Number

Manufacturer

Description

Stock

VIPER12AS13TR

STMicroelectronics

150

VIPER12AS-E

STMicroelectronics

Part Number	Manufacturer	Description	Stock
VIPER12AS	STMicroelectronics	Min Qty 2500	15000
VIPER12AS-E	STMicroelectronics	STMICROELECTRONICS VIPER12AS-E - Rail/Tube	0
VIPER12ASTR-E	STMicroelectronics	Min Qty 2500	15000

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

STMicroelectronics

Converter Offline 60kHz 8-SOIC

11362

Part Number	Manufacturer	Description	Stock
VIPER12ASE	STMicroelectronics	RoHS: Compliant	0
VIPER12AS	SGS Semiconductor Ltd	RoHS: Not Compliant	0
VIPER12ASTRE	STMicroelectronics	RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
STEVAL-IHM019V1 D# 497-8402-ND	STMicroelectronics	BOARD EVAL COMPLETE INVERTER	0
VIPER12ASTR-E D# 497-6792-1-ND	STMicroelectronics	IC OFFLINE SWIT PWM SMPS 8SOIC	502
VIPER12AS-E D# 497-6791-5-ND	STMicroelectronics	IC OFFLINE SWIT PWM SMPS 8SOIC	6864
STEVAL-ISA020V1 D# 497-5519-ND	STMicroelectronics	EVAL BOARD 3.5W BATTERY CHARGER	0
VIPER12AS D# 497-3102-ND	STMicroelectronics	IC OFFLINE SWIT PWM SMPS 8SOIC	0

Part Number	Manufacturer	Description	Stock
VIPER12ASTR-E	STMicroelectronics	In stock shipping within 2days	68795
VIPER12AS	STMicroelectronics	In stock shipping within 2days	300
VIPER12ASTR	STMicroelectronics	In stock shipping within 2days	30525

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

D# 3367210

STMicroelectronics

PWM CTRL, 60KHZ, -40 TO 150DEG C

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

2352

VIPER12AS-E

D# 9882910RL

STMicroelectronics

OFF-LINE SWITCHER IC, FLYBACK, SOIC-8

RoHS: Compliant

Min Qty: 1

Container: Reel

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

STMicroelectronics

VIPER12AS Series 38 V 5 mA Low Power OFF-Line SMPS Primary Switcher - SOIC-8

RoHS: Compliant

pbFree: Yes

Part Number	Manufacturer	Description	Stock
VIPER12ASTRE		OEM/CM QUOTES ONLY \| NO BROKERS	493850
VIPER12AS13TR	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	4811
VIPER12AS13	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	2325
VIPER12AS		OEM/CM QUOTES ONLY \| NO BROKERS	4165
VIPER12ASE	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	70508
2VIPER12ASTRE	STMicroelectronics	OEM/CM QUOTES ONLY \| NO BROKERS	123399

Part Number	Manufacturer	Description	Stock
VIPER12ASTRE	Analog Devices Inc	OEM/CM ONLY	1576
SMDSWITCHERVIPER12ASE	Amphenol Corporation	OEM/CM ONLY	1400
VIPER12AS	Texas Instruments	OEM/CM ONLY	772
12ASEVIPER12ASE	Microchip Technology Inc	OEM/CM ONLY	2600

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

STMicroelectronics

VIPER12ASTRE

1000

Part Number

Manufacturer

Description

Stock

VIPER12AS13TR

ST Microwave Corporation

In stock

150

VIPER12AS-E

ST Microwave Corporation

In Stock

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

STMicroelectronics

Converter Offline - Topology 60kHz 8-SOIC

RoHS: Compliant

191

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

D# C7522

STMicroelectronics

29854

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

STMicroelectronics

in stock - can ship the same day

Part Number	Manufacturer	Description	Stock
VIPER12ASTR-E	STMicroelectronics	OEM/CM Immediate delivery	30000
VIPER12ASTR	STMicroelectronics	OEM/CM Immediate delivery	30000
VIPER12AS-E	STMicroelectronics	OEM/CM Immediate delivery	30000
VIPER12AS	STMicroelectronics	OEM/CM Immediate delivery	8000

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

D# 511-VIPER12ASTR

STMicroelectronics

AC/DC Converters Low Power OFF-Line SMPS Primary Switch

RoHS: Compliant

1871

VIPER12AS-E

D# 511-VIPER12AS-E

STMicroelectronics

AC/DC Converters 700V 0.36A SMPS

RoHS: Compliant

19115

Part Number

Manufacturer

Description

Stock

VIPER12AS-E

D# XSKDRABS0030056

STMicroelectronics

SO 8/VERTICAL INTELLIGENT POWER ENHANCED REGULATORS

45400

VIPER12ASTR-E

D# XSKDRABS0033074

STMicroelectronics

SO 8/VERTICAL INTELLIGENT POWER ENHANCED REGULATORS

29006

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

D# 38AH9523

STMicroelectronics

IND. & POWER CONV. ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 2500

Container: TAPE & REEL - FULL

5000

VIPER12AS-E

D# 88K1667

STMicroelectronics

AC/DC CONV, FLYBACK, -40 TO 150DEG C, Input Voltage AC Min:85V, Input Voltage AC Max:265V, AC / DC Converter Case Style:SOIC, No. of Pins:8Pins, Power Rating:6.1W, Topology:Flyback, Operating Temperature Min:-40°C, Product Range:- RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

145

Part Number

Manufacturer

Description

Stock

VIPER12AS

D# NS-VIPER12AS

STMicroelectronics

OEM/CM ONLY

2113

VIPER12ASTR-E

D# NS-VIPER12ASTR-E

STMicroelectronics

OEM/CM ONLY

5728

Part Number

Manufacturer

Description

Stock

VIPER12AS

STMicroelectronics

VIPER12AS13TR

STMicroelectronics

Swithed-Mode Power Supply Controller, Current Mode Type, 8 Pin, Plastic, SOP

112

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

D# 7147866

STMicroelectronics

STMicroelectronics VIPER12ASTR-E, PWM Current Mode Controller, 60 kHz, 0 50 V, 8-Pin SOIC, PK

Min Qty: 5

Container: Package

VIPER12AS-E

D# 0426247

STMicroelectronics

STMicroelectronics VIPER12AS-E, PWM Current Mode Controller, 8-Pin SOIC, PK

Min Qty: 5

Container: Package

170

Part Number	Manufacturer	Description	Stock
VIPER12AS	STMicroelectronics	OEM/CM ONLY	1483
VIPER12ASTRE	STMicroelectronics	OEM/CM ONLY	114041
VIPER12AS13TR	SGS Semiconductor Ltd	OEM/CM ONLY	4059
VIPER12AS13	STMicroelectronics	OEM/CM ONLY	1970
VIPER12ASE	STMicroelectronics	OEM/CM ONLY	59116

Part Number	Manufacturer	Description	Stock
VIPER12AS-E	STMicroelectronics	IN stock Immediate delivery	29985
VIPER12AS	STMicroelectronics	IN stock Immediate delivery	8015
VIPER12ASTR	STMicroelectronics	IN stock Immediate delivery	29985
VIPER12ASTR-E	STMicroelectronics	IN stock Immediate delivery	29985

Part Number	Manufacturer	Description	Stock
VIPER12ASTR-CN	STMicroelectronics	shipping today	32501
VIPER12AS	STMicroelectronics	shipping today	50196
VIPER12AS-E	STMicroelectronics	shipping today	14
VIPER12ASTR	STMicroelectronics	shipping today	2174

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

D# 52633863

STMicroelectronics

AC to DC Switching Converter Off-Line Switcher 66kHz T/R 8-Pin SO N

RoHS: Compliant

VIPER12AS-E

D# 52844664

STMicroelectronics

AC to DC Switching Converter Off-Line Switcher 66kHz Tube 8-Pin SO N

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
VIPER12ASE	STMicroelectronics	RFQ	13007
VIPER12AS	STMicroelectronics	RFQ	10702
VIPER12ASTR	STMicroelectronics	RFQ	13811

Part Number	Manufacturer	Description	Stock
VIPER12ASTR-E	STMicroelectronics	IC OFFLINE SWIT PWM SMPS 8SOIC	224495
VIPER12AS-E	STMicroelectronics	IC OFFLINE SWIT PWM SMPS 8SOIC	900
VIPER12AS	STMicroelectronics	LOW POWER OFF LINE SMPS PRIMARY SWITCHER	2392
VIPER12ASTR	STMicroelectronics		3336

Part Number

Manufacturer

Description

Stock

VIPER12ASTR-E

D# 3367210

STMicroelectronics

PWM CTRL, 60KHZ, -40 TO 150DEG C

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

2352

VIPER12AS-E

D# 9882910

STMicroelectronics

OFF-LINE SWITCHER IC, FLYBACK, SOIC-8

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

2064

Quick Inquiry

VIPER12AS

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