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FSFR1800
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 7.49 AED | Dhs. 7.49 AED |
| 15+ | Dhs. 7.27 AED | Dhs. 109.05 AED |
| 25+ | Dhs. 7.11 AED | Dhs. 177.75 AED |
| 50+ | Dhs. 6.72 AED | Dhs. 336.00 AED |
| 100+ | Dhs. 5.93 AED | Dhs. 593.00 AED |
| N+ | Dhs. 1.19 AED | Price Inquiry |
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FSFR1800 Half-Bridge Power Switch IC
The FSFR1800 from Fairchild Semiconductor is a high-performance integrated power switch designed for AC-DC converter applications requiring up to 260W output power. This half-bridge topology IC integrates dual MOSFETs with advanced control and protection circuitry, enabling compact, efficient power supply designs for industrial, telecom, and consumer electronics.
Key Features & Benefits
- Integrated Half-Bridge Architecture – Reduces component count and board space with dual internal switches rated for 500V breakdown
- High Switching Frequency – Supports up to 300kHz operation for smaller transformer and filter designs
- Comprehensive Protection – Built-in current limiting, over-voltage, over-temperature, and over-load protection ensures reliable operation
- Wide Operating Range – 11.3V to 25V supply voltage with 14.5V start-up threshold
- Flexible Control – Enable pin and frequency control for adaptive power management
- Industrial Temperature Range – Operates from -40°C to 130°C junction temperature for demanding environments
Applications
Ideal for AC-DC power supplies in LCD/LED TVs, monitors, adapters, industrial equipment, telecom infrastructure, and consumer appliances requiring isolated, regulated power conversion.
Quality & Compliance
RoHS compliant. Full traceability and datasheet available. Authorized distributor stock with global shipping support.
Related Resources
Explore more power conversion solutions in our AC DC Converters, Offline Switchers collection. Visit HQICKEY for our complete catalog of high-reliability semiconductor components. Stay updated with the latest industry insights and technical guides on our News & Technical Blog.
| Product attributes | Property Value |
| Manufacturer | Fairchild Semiconductor |
| Product Series | FSFR |
| Packaging | Bulk | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 500V |
| Topology | Half-Bridge |
| Voltage - Start Up | 14.5 V |
| Voltage - Supply (Vcc/Vdd) | 11.3V ~ 25V |
| Duty Cycle | 50% |
| Frequency - Switching | Up to 300kHz |
| Power (Watts) | 260 W |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage |
| Control Features | EN, Frequency Control |
| Operating Temperature | -40°C ~ 130°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 10-SSIP Module, 9 Leads, Formed Leads |
| Supplier Device Package | 9-SIP |
| ROHS |  |
FSFR1800.pdf