Power Integrations TOP257LG
- Part No.:
- TOP257LG
- Manufacturer:
- Power Integrations
- Category:
- AC DC Converters, Offline Switches
- Package:
- 7-SSIP, 6 Leads, Exposed Pad, Formed Leads
- Datasheet:
-
TOP257LG.pdf
- Description:
- IC OFFLINE SWITCH FLYBACK 7FESIP
- Quantity:
- Payment:

- Shipping:

Inventory:3,901
Please send an inquiry. Send us your inquiry, and we will respond immediately.
TOP257LG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Power Integrations
- Series:
- TOPSwitch®-HX
- Package/Case:
- 7-SSIP, 6 Leads, Exposed Pad, Formed Leads
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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, 132kHz
- Power (Watts):
- 105 W
- Fault Protection:
- Current Limiting, Over Temperature, Over Voltage
- Control Features:
- -
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Supplier Device Package:
- eSIP-7F
- Mounting Type:
- Through Hole
TOP257LG FAQ
1.How can I place an order for TOP257LG through Aetrix?
Please submit a Request for Quotation (RFQ) for TOP257LG on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for TOP257LG reliable?
The price and inventory of TOP257LG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TOP257LG is usually 5 days.
3.What payment methods are accepted for TOP257LG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TOP257LG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for TOP257LG?
TOP257LG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your TOP257LG order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for TOP257LG?
For technical support, including TOP257LG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TOP257LG requirements.
6.How does Aetrix verify that TOP257LG is sourced from the original manufacturer or authorized distributors?
All TOP257LG products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that TOP257LG meets industry standards.
7.What is the process for return or replacement of TOP257LG?
All TOP257LG units undergo pre-shipment inspection (PSI). If there is an issue with TOP257LG, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The TOP257LG part is unused and in its original packaging.
Return procedure for TOP257LG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
TOP257LG Tags

-
LNK6407D-TL
Power Integrations

-
LNK3204D-TL
Power Integrations

-
SR10LG-G
Microchip Technology

-
TNY285DG-TL
Power Integrations

-
LNK304DN-TL
Power Integrations

-
TNY285KG-TL
Power Integrations

-
LNK3206D-TL
Power Integrations

-
LNK623DG-TL
Power Integrations
-
TNY286PG
Power Integrations

-
LNK624DG-TL
Power Integrations

-
LNK604DG-TL
Power Integrations

-
UCC28704DBVR-1
Texas Instruments
Tech Hub
An actuator converts a control signal and energy source into mechanical motion. This guide explains actuator types, working principles, electric and linear actuators, automotive use cases, troubleshoot…
A potentiometer is a three-terminal adjustable resistor used for voltage division, analog control, calibration and signal adjustment. This guide explains wiring, symbols, types, 10k values, digital pot…
An FPGA is reconfigurable digital hardware used for custom logic, parallel processing, low-latency I/O and interface control. This guide explains FPGA meaning, architecture, boards, programming flow, a…
A logic gate is a basic digital circuit that uses Boolean logic to convert binary inputs into one output. This guide explains AND, OR, NOT, NAND, NOR, XOR, truth tables, universal gates, logic ICs and …
A mass air flow sensor, often called a MAF sensor, measures the amount of air entering an engine.
A crankshaft position sensor is one of the most important engine management sensors in a modern vehicle.
A decoder is an electronic circuit or integrated circuit that converts a coded input into a specific output state.
Use this kg to lbs converter to quickly convert kilograms to pounds or pounds to kilograms. It is useful for shipping weight, product specifications, package weight, material weight, equipment weight, …
Learn what analog devices are, including amplifiers, ADCs, DACs, sensors, voltage references, power ICs and ADI component selection for signal chain design.
SiC, or silicon carbide, is a wide-bandgap semiconductor material used in high-efficiency power electronics.

