Name: TOP257PN
Brand: Power Integrations
SKU: TOP257PN
Availability: InStock
Rating: 5 (192 reviews)

TOP257PN

For Reference Only

Part Number	TOP257PN
Manufacturer	Power Integrations
Description	IC OFFLINE SWIT PROG OVP 8DIP
Datasheet	TOP257PN Datasheet TOP257PN Specifications
Package	8-DIP (0.300", 7.62mm), 7 Leads
ECAD
In Stock	228,540 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 20 - Jun 25 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # TOP257PN (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 TOP257PN specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add TOP257PN with quantity into BOM. Heisener.com does NOT require any registration to request a quote of TOP257PN.

TOP257PN Specifications

Manufacturer	Power Integrations
Category	Integrated Circuits (ICs) - PMIC - AC DC Converters, Offline Switchers
Package	8-DIP (0.300", 7.62mm), 7 Leads
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-DIP (0.300", 7.62mm), 7 Leads
Supplier Device Package	DIP-8C
Mounting Type	Through Hole

TOP257PN Datasheet

TOP257PN Reviews

Barb*****Cooper

March 20, 2023

★ ★ ★ ★ ★

All of the components worked, and are still working. So even though the price is amazingly low, the diodes really do work!

Mill*****rake

March 19, 2023

★ ★ ★ ★ ★

Easier, quicker and cheaper to buy this whole assortment than to get just the few I needed from an electronics store.

Grey*****quez

March 5, 2023

★ ★ ★ ★ ★

There are cheaper ones out there but this one really take the guessing game out.

Amar*****eele

February 24, 2023

★ ★ ★ ★ ★

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

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TOP257PN Packaging

TOP257PN FAQ

1. How to order TOP257PN 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 TOP257PN is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the TOP257PN. All suppliers must pass our qualification reviews before they can publish their products including TOP257PN on Heisener; we pay more attention to the channels and quality of TOP257PN products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the TOP257PN price and inventory displayed accurate?

The price and inventory of TOP257PN 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 TOP257PN?

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 TOP257PN we delivered, we will accept the replacement or return of the TOP257PN 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 TOP257PN.

(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 TOP257PN pin diagram, TOP257PN datasheet?

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

TOP257PN Related Products

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LT6202IS8#TRPBF	Linear Technology, IC OPAMP GP 100MHZ RRO 8SO, 8-SOIC (0.154", 3.90mm Width), TOPSwitch?-HX	View
AK4482VT	AKM Semiconductor Inc., IC DAC 24BIT 2CH 16TSSOP, 16-TSSOP (0.173", 4.40mm Width), TOPSwitch?-HX	View
6N140A-600	Broadcom Limited, OPTOISO 1.5KV 4CH DARL 16-SMD CC, 16-SMD, Butt Joint, Crew Cut, TOPSwitch?-HX	View
SDR0604-680KL	Bourns Inc., FIXED IND 68UH 620MA 520 MOHM, Nonstandard, TOPSwitch?-HX	View
0741621246	Molex, LLC, CONN RCPT R/A 46POS 2.54MM GOLD, -, TOPSwitch?-HX	View
FTR-129-01-T-D	Samtec Inc., SMT .050'' STRIPS, -, TOPSwitch?-HX	View
MS27499E16B35S	Souriau, 8T 55C 55#22D RECP, -, TOPSwitch?-HX	View
D38999/26JE99HA-LC	TE Connectivity Deutsch Connectors, CONN PLUG HSNG MALE 23POS INLINE, -, TOPSwitch?-HX	View
ABC10DETI	Sullins Connector Solutions, CONN EDGE DUAL FMALE 20POS 0.100, -, TOPSwitch?-HX	View

TOP257PN 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

TOP257PN

D# TOP257PN

Power Integrations

Off Line Switcher 7-Pin PDIP-C - Rail/Tube (Alt: TOP257PN)

RoHS: Compliant

Part Number

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Description

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TOP257PN

D# TOP257PN

Power Integrations

Off Line Switcher 7-Pin PDIP-C (Alt: TOP257PN)

RoHS: Compliant

Part Number

Manufacturer

Description

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TOP257PN

D# TOP257PN

Power Integrations

Off Line Switcher 7-Pin PDIP-C (Alt: TOP257PN)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

TOP257PN

Power Integrations

30W/45W PK (85-264V AC) 41W/70W PK (230V AC) - Rail/Tube

Part Number

Manufacturer

Description

Stock

TOP257PN

D# 596-1185-5-ND

Power Integrations

IC OFFLINE SWIT PROG OVP 8DIP

Part Number

Manufacturer

Description

Stock

TOP257PN

In stock shipping within 2days

5260

Part Number

Manufacturer

Description

Stock

TOP257PN

D# 1500873

Power Integrations

OFFLINE SWITCHER, 30/45W, PDIP8C8

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number

Manufacturer

Description

Stock

TOP257PN

POWER

OEM/CM QUOTES ONLY | NO BROKERS

12255

Part Number

Manufacturer

Description

Stock

TOP257PN

POWER

OEM/CM Immediate delivery

5000

Part Number

Manufacturer

Description

Stock

TOP257PN

D# 869-TOP257PN

Power Integrations

AC/DC Converters Off-Line Switcher IC 30W/45W PK

RoHS: Compliant

652

Part Number

Manufacturer

Description

Stock

TOP257PN

D# NS-TOP257PN

Power Integrations

OEM/CM ONLY

4811

Part Number

Manufacturer

Description

Stock

TOP257PN

D# 1465714

Power Integrations

Power Integrations TOP257PN, 1-Channel Topswitch, Off Line Switcher, 5.44A, 45W 8-Pin, DIPC, TU

Min Qty: 50

Container: Tube

300

Part Number

Manufacturer

Description

Stock

TOP257PN

Power Integrations

OEM/CM ONLY

Part Number

Manufacturer

Description

Stock

TOP257PN

POWER

IN stock Immediate delivery

5015

Part Number

Manufacturer

Description

Stock

TOP257PN

POWER

shipping today

13756

Part Number

Manufacturer

Description

Stock

TOP257PN

mfr

RFQ

5680

Part Number

Manufacturer

Description

Stock

TOP257PN

Power Integrations

IC OFFLINE SWIT PROG OVP 8DIP

9024

Part Number

Manufacturer

Description

Stock

TOP257PN

D# 1500873

Power Integrations

OFFLINE SWITCHER, 30/45W, PDIP8C8

RoHS: Compliant

Min Qty: 1

Container: Each

Quick Inquiry

TOP257PN

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.

ISO9001:2015, ICAS, IAF, UKAS