Name: TOP257GN
Brand: Power Integrations
SKU: TOP257GN
Availability: InStock
Rating: 5 (179 reviews)

TOP257GN

For Reference Only

Part Number	TOP257GN
Manufacturer	Power Integrations
Description	IC OFFLINE SWIT PROG OVP 8SMD
Datasheet	TOP257GN Datasheet TOP257GN Specifications
Package	8-SMD (7 Leads), Gull Wing
ECAD
In Stock	71,988 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 4 - May 9 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # TOP257GN (PMIC - AC DC Converters, Offline Switchers) is manufactured by Power Integrations 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 TOP257GN specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add TOP257GN with quantity into BOM. Heisener.com does NOT require any registration to request a quote of TOP257GN.

TOP257GN Specifications

Manufacturer	Power Integrations
Category	Integrated Circuits (ICs) - PMIC - AC DC Converters, Offline Switchers
Package	8-SMD (7 Leads), Gull Wing
ECAD
Series	TOPSwitch?-HX
Output Isolation	Isolated
Internal Switch(s)	Yes
Voltage - Breakdown	700V
Topology	Flyback
Voltage - Start Up	-
Voltage - Supply (Vcc/Vdd)	-
Duty Cycle	78%
Frequency - Switching	66kHz
Power (Watts)	41W
Fault Protection	Current Limiting, Over Temperature, Over Voltage
Control Features	-
Operating Temperature	-40°C ~ 150°C (TJ)
Package / Case	8-SMD (7 Leads), Gull Wing
Supplier Device Package	SMD-8C
Mounting Type	Surface Mount

TOP257GN Datasheet

TOP257GN Reviews

Rya*****hahal

April 8, 2023

★ ★ ★ ★ ★

Good quality, buy back and then use, with the newly bought hard disk, very stable, at any time you can check things, not occupy space, very convenient.

Samue*****ierrez

April 3, 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.

Alvi*****lwar

March 31, 2023

★ ★ ★ ★ ★

Tested one of them and works good.

Bray*****Kaul

March 27, 2023

★ ★ ★ ★ ★

I am a novice technician. I really rely on reviews to help guide me, as I do not have anyone to assist me with electronics. I purchased these items and report I am happy with the purchase. I took a chance and it was one of the better choices I made.

Rac***** Vang

March 17, 2023

★ ★ ★ ★ ★

I love this website, and get a quick response. Good experience! Good customer service.

Ja*****Horn

February 25, 2023

★ ★ ★ ★ ★

So far all the items still work. I'm using these for some home made solar panels and they're doing great.

Bodh*****hmidt

February 19, 2023

★ ★ ★ ★ ★

Boundless range of products, ease of search and fast delivery continue to impress. Heisener is always my first stop for electronic components.

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TOP257GN Packaging

TOP257GN FAQ

1. How to order TOP257GN 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 TOP257GN is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the TOP257GN. All suppliers must pass our qualification reviews before they can publish their products including TOP257GN on Heisener; we pay more attention to the channels and quality of TOP257GN products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the TOP257GN price and inventory displayed accurate?

The price and inventory of TOP257GN 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 TOP257GN?

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 TOP257GN we delivered, we will accept the replacement or return of the TOP257GN 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 TOP257GN.

(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 TOP257GN pin diagram, TOP257GN datasheet?

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

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381EL101M450J042	Cornell Dubilier Electronics (CDE), CAP ALUM 100UF 20% 450V SNAP, Radial, Can - Snap-In, TOPSwitch?-HX	View
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ESQT-132-02-F-Q-750	Samtec Inc., ELEVATED 2MM SOCKETS, -, TOPSwitch?-HX	View
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54122-110341200LF	Amphenol FCI, CONN STACKER 34POS 0.100" T/H, -, TOPSwitch?-HX	View
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LT8391AEFE#TRPBF	Linear Technology, 60V SYNCHRONOUS 4-SWITCH BUCK-BO, 28-TSSOP (0.173", 4.40mm Width) Exposed Pad, TOPSwitch?-HX	View

TOP257GN 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

TOP257GN

D# TOP257GN

Power Integrations

Off Line Switcher 7-Pin SMD-C - Rail/Tube (Alt: TOP257GN)

RoHS: Compliant

TOP257GN-TL

D# TOP257GN-TL

Power Integrations

Off Line Switcher 7-Pin SMD-C T/R - Tape and Reel (Alt: TOP257GN-TL)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

D# TOP257GN-TL

Power Integrations

Off Line Switcher 7-Pin SMD-C T/R (Alt: TOP257GN-TL)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

D# TOP257GN-TL

Power Integrations

Off Line Switcher 7-Pin SMD-C T/R (Alt: TOP257GN-TL)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

TOP257GN

Power Integrations

IC OFFLINE SWIT PROG OVP 8SMD

TOP257GN-TL

Power Integrations

IC OFFLINE SWIT PROG OVP 8SMD

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

D# 596-1186-1-ND

Power Integrations

IC OFFLINE SWIT PROG OVP 8SMD

415

TOP257GN

D# TOP257GN-ND

Power Integrations

IC OFFLINE SWIT PROG OVP 8SMD

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

In stock shipping within 2days

8260

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

D# 3126278RL

Power Integrations

AC/DC CONV, FLYBACK, -40 TO 150DEG C

RoHS: Compliant

Min Qty: 1

Container: Reel

Part Number

Manufacturer

Description

Stock

TOP257GNTL

POWER INTEGRATIONS

OEM/CM QUOTES ONLY | NO BROKERS

218

TOP257GN

OEM/CM QUOTES ONLY | NO BROKERS

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

POWER

OEM/CM Immediate delivery

8000

Part Number

Manufacturer

Description

Stock

TOP257GN

D# 869-TOP257GN

Power Integrations

AC/DC Converters 30W/45W PK 85-264VAC 41W/70W PK (230V AC)

RoHS: Compliant

281

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

D# 10AH1372

Power Integrations

AC/DC CONV, FLYBACK, -40 TO 150DEG C, Input Voltage AC Min:85V, Input Voltage AC Max:265V, AC / DC Converter Case Style:SMD-8C, No. of Pins:7Pins, Power Rating:30W, Topology:Flyback, Operating Temperature Min:-40°C, Operating RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

556

Part Number

Manufacturer

Description

Stock

TOP257GN

D# NS-TOP257GN

Power Integrations

OEM/CM ONLY

9359

TOP257GN-TL

D# NS-TOP257GN-TL

Power Integrations

OEM/CM ONLY

9909

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

POWER

IN stock Immediate delivery

8015

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

POWER

shipping today

7999

TOP257GN

POWER

shipping today

1955

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

POWER INTEGRATIONS

RFQ

6794

Part Number

Manufacturer

Description

Stock

TOP257GN-TL

D# 3126278

Power Integrations

AC/DC CONV, FLYBACK, -40 TO 150DEG C

RoHS: Compliant

Min Qty: 1

Container: Cut Tape

556

Quick Inquiry

TOP257GN

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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