onsemi FSFR2100US
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 355,874.90 | Dhs. 355,874.90 |
| 15+ | Dhs. 344,636.75 | Dhs. 5,169,551.25 |
| 25+ | Dhs. 337,144.64 | Dhs. 8,428,616.00 |
| 50+ | Dhs. 318,414.39 | Dhs. 15,920,719.50 |
| 100+ | Dhs. 280,953.87 | Dhs. 28,095,387.00 |
| N+ | Dhs. 56,190.77 | Price Inquiry |
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FSFR2100US - High-Performance AC/DC Offline Switching Controller
The FSFR2100US from onsemi is a 400W half-bridge AC/DC offline switching controller designed for high-efficiency power conversion applications in industrial, telecommunications, and consumer electronics. This integrated solution features built-in MOSFETs with 500V breakdown voltage and supports switching frequencies up to 300kHz, enabling compact, cost-effective power supply designs.
Key Features & Benefits
- 400W Power Handling - Ideal for mid-range power supply applications
- Half-Bridge Topology - Optimized for isolated AC/DC conversion with high efficiency
- Up to 300kHz Switching Frequency - Enables smaller transformer and filter components
- Comprehensive Protection - Current limiting, over-temperature, and over-voltage fault protection
- Wide Operating Range - 10V to 25V supply voltage, -40°C to 130°C junction temperature
- Frequency Control - Adaptive switching for optimized performance across load conditions
Applications
The FSFR2100US is well-suited for AC/DC power supplies in industrial automation, telecom infrastructure, LED lighting drivers, consumer appliances, and auxiliary power modules. Its integrated design reduces component count and board space while maintaining high reliability and efficiency.
Authorized Distribution & Support
We provide 100% authorized onsemi stock with full manufacturer documentation, traceability certificates, and long lifecycle availability. Our technical team offers design-in support, reference designs, and application guidance to accelerate your development cycle and ensure optimal performance.
| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | FSFR-US |
| Packaging | | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 500V |
| Topology | Half-Bridge |
| Voltage - Start Up | 12.5 V |
| Voltage - Supply (Vcc/Vdd) | 10V ~ 25V |
| Duty Cycle | 50% |
| Frequency - Switching | Up to 300kHz |
| Power (Watts) | 400 W |
| Fault Protection | Current Limiting, Over Temperature, Over Voltage |
| Control Features | 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 |

FSFR2100US.pdf