For Reference Only
| Part Number | TOP257EG |
| Manufacturer | Power Integrations |
| Category | Integrated Circuits (ICs) › AC DC Converters, Offline Switches |
| Description | IC OFFLINE SWITCH FLYBACK 7ESIP |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | TOP257EG PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 08 - Dec 12 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | TOP257EG |
| Brand: | Power Integrations |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | AC DC Converters, Offline Switches |
| Manufacturer: | Power Integrations |
| Product Status: | Active |
| 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): | 157 W |
| Fault Protection: | Current Limiting, Over Temperature, Over Voltage |
| Control Features: | - |
| Operating Temperature: | -40°C ~ 150°C (TJ) |
| Package / Case: | 7-SSIP, 6 Leads, Exposed Pad, Formed Leads |
| Supplier Device Package: | eSIP-7C |
| Mounting Type: | Through Hole |
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| In Stock | 61257 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 288 | $1.67660 | $482.8608 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.
