Name: ST-3-28
Brand: Signal Transformer
SKU: ST-3-28
Availability: InStock
Rating: 5 (99 reviews)

ST-3-28

For Reference Only

Part Number	ST-3-28
Manufacturer	Signal Transformer
Description	XFRMR LAMINATED 2.4VA THRU HOLE
Datasheet	ST-3-28 Datasheet ST-3-28 Specifications
Package	-
ECAD
In Stock	7,116 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 12 - Jun 17 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # ST-3-28 (Power Transformers) is manufactured by Signal Transformer 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 ST-3-28 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ST-3-28 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ST-3-28.

ST-3-28 Specifications

Manufacturer	Signal Transformer
Category	Transformers - Power Transformers
Package	-
ECAD
Series	ST
Type	Laminated Core
Voltage - Primary	115V
Voltage - Secondary (Full Load)	Parallel 14V, Series 28V
Current - Output (Max)	Parallel 170mA, Series 85mA
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	34.90mm L x 28.60mm W
Height - Seated (Max)	30.80mm
Voltage - Isolation	2500Vrms
Weight	0.25 lb (113.4g)

ST-3-28 Datasheet

ST-3-28 Reviews

Bryl*****uffman

March 15, 2023

★ ★ ★ ★ ★

It fit exactly in the same location as the original. Works great and no problem. Good purchase.

Cassa*****Chokshi

March 10, 2023

★ ★ ★ ★ ★

Very Quick,no problems - Thank you.

Aliv*****arquez

March 7, 2023

★ ★ ★ ★ ★

Excellent Seller, Great Products, Fast Reliable Service.

Charl*****Master

March 1, 2023

★ ★ ★ ★ ★

Very good product for electronic projects and are of great quality and test great.

Raid*****ills

February 21, 2023

★ ★ ★ ★ ★

Didn’t need so many but it was cheap. I did have to solder extra wire on each end to make fit better but exactly you need of your looking for this particular mod.

Write a Review

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ST-3-28 Packaging

ST-3-28 FAQ

1. How to order ST-3-28 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 ST-3-28 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the ST-3-28. All suppliers must pass our qualification reviews before they can publish their products including ST-3-28 on Heisener; we pay more attention to the channels and quality of ST-3-28 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the ST-3-28 price and inventory displayed accurate?

The price and inventory of ST-3-28 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 ST-3-28?

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 ST-3-28 we delivered, we will accept the replacement or return of the ST-3-28 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 ST-3-28.

(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 ST-3-28 pin diagram, ST-3-28 datasheet?

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

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ST-3-28 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

DST-3-28

D# V36:1790_17594324

Signal Transformer Inc

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

RoHS: Compliant

ST-3-28

D# V36:1790_17594261

Signal Transformer Inc

Power Transformer 2500Vrms 2.4VA 6 Terminal PC Pin Thru-Hole

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

DST3-28B21

D# DST3-28B21

Pulse Electronics Corporation

Power Transformer 2500Vrms Dual Prim. Dual Sec. 230V/115V Prim. 28V/14V Sec. Through Hole - Bulk (Alt: DST3-28B21)

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
DST-3-28	Pulse Electronics Corporation	PWR TX 2500VRMS DUAL PRIM. DUAL SEC. 115V/230V PRIM. 28V/14V - Bulk	0
ST-3-28	Pulse Electronics Corporation	PWR TX 2500VRMS DUAL PRIM. DUAL SEC. 115V/230V PRIM. 28V/14V - Bulk	0
ST3-28B21	Pulse Electronics Corporation	PWR TX 2500VRMS DUAL PRIM. DUAL SEC. 115V/230V PRIM. 28V/14V - Bulk	0
DST3-28B21	Pulse Electronics Corporation	PWR TX 2500VRMS DUAL PRIM. DUAL SEC. 115V/230V PRIM. 28V/14V - Bulk	0

Part Number	Manufacturer	Description	Stock
DST-3-28 D# 595-1218-ND	Signal Transformer Inc	PWR XFMR LAMINATED 2.4VA TH	0
ST-3-28 D# 595-1183-ND	Signal Transformer Inc	PWR XFMR LAMINATED 2.4VA TH	374
ST3-28B21 D# ST3-28B21-ND	Pulse Electronics Corporation	PWR XFMR LAMINATED 2.4VA TH	0
ACT413US-T3283 D# ACT413US-T3283-ND	Qorvo	IC OFF-LINE CTRLR	0
DST3-28B21 D# DST3-28B21-ND	Pulse Electronics Corporation	PWR XFMR LAMINATED 2.4VA TH	0

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CST328MGW	Murata Manufacturing Co Ltd	OEM/CM QUOTES ONLY \| NO BROKERS	35
ST3285N	Seastrom Mfg	OEM/CM QUOTES ONLY \| NO BROKERS	5
AST3286V12W		OEM/CM QUOTES ONLY \| NO BROKERS	17
ACT413UST3283	ACT	OEM/CM QUOTES ONLY \| NO BROKERS	13225
ST328		OEM/CM QUOTES ONLY \| NO BROKERS	143
DST328	SIGNAL	OEM/CM QUOTES ONLY \| NO BROKERS	20
ST328003	Lucky First Industries Lt	OEM/CM QUOTES ONLY \| NO BROKERS	8
MST3285MLF110	Mstar Semiconductor Inc	OEM/CM QUOTES ONLY \| NO BROKERS	3431
NST328S3BK	Vantec Thermal Technologi	OEM/CM QUOTES ONLY \| NO BROKERS	32

Part Number

Manufacturer

Description

Stock

RVT-AL/ST 3 2/8

Phoenix Contact

Blind rivets - ?? 3.2 mm - 8 mm sleeve length - aluminum sleeve - zinc-plated steel pin - flat head - standard version similar to DIN 7337 A

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

ACT413US-T3283

ACT

OEM/CM Immediate delivery

429

Part Number

Manufacturer

Description

Stock

DST-3-28

D# 530-DST-3-28

Belden Inc

Power Transformers 50\60 Hz, Laminated Transformer

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

ST-328-RC-3

D# 81Y7304

Shimpo Instruments

XENON STROBE ARRAY, 60 - 20000FPM, 3LAMP, Flash Rate Range:60FPM to 20000FPM, Accuracy %:0.01%, Input Impedance:-, Supply Voltage VAC:120VAC, Operating Temperature Min:0°C, Operating Temperature Max:35°C, Product Range:- RoHS Compliant: No

RoHS: Not Compliant

Min Qty: 1

Container: Bulk

Part Number	Manufacturer	Description	Stock
T3282-1.8M D# NS-T3282-1.8M	MF Electronics Corpo	OEM/CM ONLY	4287
ST3-28B21 D# NS-ST3-28B21	Pulse Electronics Corporation	OEM/CM ONLY	9451
DST3-28B21 D# NS-DST3-28B21	Pulse Electronics Corporation	OEM/CM ONLY	5932

Part Number

Manufacturer

Description

Stock

RVT-AL/ST 3 2/8

Phoenix Contact

Blind rivets - Ã˜ 3.2 mm - 8 mm sleeve length - aluminum sleeve - zinc-plated steel pin - flat head - standard version similar to DIN 7337 A

RoHS: Not Compliant

Part Number	Manufacturer	Description	Stock
ST-3-28 D# 000000000001030590	Signal Transformer Inc	Power Transformers 50\\60 Hz, Laminated Transformer	0
DST-3-28 D# 000000000001083418	Signal Transformer Inc	Power Transformers 50\\60 Hz, Laminated Transformer	0
DST3-28B21 D# 000000000001042697	Pulse Electronics Corporation	Power Transformers SpltBobbin Laminated Xfmr LowFreq	0

Part Number

Manufacturer

Description

Stock

ACT413UST3283

OEM/CM ONLY

116

ST328

Signal Transformer Inc

OEM/CM ONLY

136

Part Number

Manufacturer

Description

Stock

ACT413US-T3283

ACT

IN stock Immediate delivery

424

Part Number

Manufacturer

Description

Stock

ACT413US-T3283

ACT

shipping today

117

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ST-3-28

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