Name: ST3-12B5
Brand: Pulse Electronics Power
SKU: ST3-12B5
Availability: InStock
Rating: 5 (168 reviews)

ST3-12B5

For Reference Only

Part Number	ST3-12B5
Manufacturer	Pulse Electronics Power
Description	XFRMR LAMINATED 2.4VA THRU HOLE
Datasheet	ST3-12B5 Datasheet ST3-12B5 Specifications
Package	-
ECAD
In Stock	6,282 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 21 - May 26 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # ST3-12B5 (Power Transformers) is manufactured by Pulse Electronics Power 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 ST3-12B5 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ST3-12B5 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ST3-12B5.

ST3-12B5 Specifications

Manufacturer	Pulse Electronics Power
Category	Transformers - Power Transformers
Package	-
ECAD
Series	Split Bobbin Plug-In
Type	Laminated Core
Voltage - Primary	115V
Voltage - Secondary (Full Load)	Parallel 6.3V, Series 12.6V
Current - Output (Max)	Parallel 400mA, Series 200mA
Primary Winding(s)	Single
Secondary Winding(s)	Dual
Center Tap	No
Power - Max	2.4 VA
Mounting Type	Through Hole
Termination Style	PC Pin
Size / Dimension	35.05mm L x 28.70mm W
Height - Seated (Max)	30.23mm
Voltage - Isolation	2500Vrms
Weight	0.25 lb (113.4g)

ST3-12B5 Datasheet

ST3-12B5 Reviews

Manu*****parks

April 4, 2023

★ ★ ★ ★ ★

Works just like the original one and even has the correct connectors installed.

Haile*****arajan

April 1, 2023

★ ★ ★ ★ ★

Bought these to help prevent solar panels from feeding back. Works great and doesn't get as hot.

Write a Review

★★★★★

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ST3-12B5 Packaging

ST3-12B5 FAQ

1. How to order ST3-12B5 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 ST3-12B5 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the ST3-12B5. All suppliers must pass our qualification reviews before they can publish their products including ST3-12B5 on Heisener; we pay more attention to the channels and quality of ST3-12B5 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the ST3-12B5 price and inventory displayed accurate?

The price and inventory of ST3-12B5 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 ST3-12B5?

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 ST3-12B5 we delivered, we will accept the replacement or return of the ST3-12B5 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 ST3-12B5.

(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 ST3-12B5 pin diagram, ST3-12B5 datasheet?

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

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ST3-12B5 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
DST3-12B5 D# DST3-12B5	Pulse Electronics Corporation	Power Transformer 2500Vrms Dual Prim. Dual Sec. 230V/115V Prim. 12.6V/6.3V Sec. Through Hole - Bulk (Alt: DST3-12B5) RoHS: Compliant	0
ST3-12B5 D# ST3-12B5	Pulse Electronics Corporation	Power Transformer 2500Vrms Single Prim. Dual Sec. 115V Prim. 12.6V/6.3V Sec. Through Hole - Bulk (Alt: ST3-12B5) RoHS: Not Compliant	0
ST3-12B5.01NL D# ST3-12B5.01NL	Pulse Electronics Corporation	ST3-12B5.01NL - Bulk (Alt: ST3-12B5.01NL) RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

DST3-12B5

Pulse Electronics Corporation

Power Transformer 2500Vrms 2.4VA 8Term. PC Pin Thru-Hole

157

ST3-12B5

Pulse Electronics Corporation

Power Transformer 2500Vrms 2.4VA 8Term. PC Pin Thru-Hole

157

Part Number

Manufacturer

Description

Stock

DST3-12B5

D# DST3-12B5-ND

Pulse Electronics Corporation

PWR XFMR LAMINATED 2.4VA TH

ST3-12B5

D# ST3-12B5-ND

Pulse Electronics Corporation

PWR XFMR LAMINATED 2.4VA TH

Part Number

Manufacturer

Description

Stock

ST3-12B5

D# 673-ST3-12B5

Pulse Electronics Corporation

Power Transformers SpltBobbin Laminated Xfmr LowFreq

RoHS: Compliant

291

Part Number

Manufacturer

Description

Stock

DST3-12B5

D# NS-DST3-12B5

Pulse Electronics Corporation

OEM/CM ONLY

9676

ST3-12B5

D# NS-ST3-12B5

Pulse Electronics Corporation

OEM/CM ONLY

3178

Part Number	Manufacturer	Description	Stock
DST3-12B5 D# 000000000001090051	Pulse Electronics Corporation	Power Transformers SpltBobbin Laminated Xfmr LowFreq	0
ST3-12B5 D# 000000000001090106	Pulse Electronics Corporation	Power Transformers SpltBobbin Laminated Xfmr LowFreq	0
ST3-12B5.01NL D# 000000000003102143	Pulse Electronics Corporation	Power Transformers	560
ST3-12B51 D# 000000000001043260	Pulse Electronics Corporation	Power Transformers	0
DST3-12B51 D# 000000000001042693	Pulse Electronics Corporation	Power Transformer 2500Vrms 2.4VA 8Term. PC Pin Thru-Hole	0
ST3-12B5NL D# 000000000001801161	Pulse Electronics Corporation	Power Transformers	0

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ST3-12B5

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