FSL337LRN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 355,897.19 AED | Dhs. 355,897.19 AED |
| 15+ | Dhs. 344,658.33 AED | Dhs. 5,169,874.95 AED |
| 25+ | Dhs. 337,165.76 AED | Dhs. 8,429,144.00 AED |
| 50+ | Dhs. 318,434.33 AED | Dhs. 15,921,716.50 AED |
| 100+ | Dhs. 280,971.47 AED | Dhs. 28,097,147.00 AED |
| N+ | Dhs. 56,194.29 AED | Price Inquiry |
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onsemi FSL337LRN - 700V Offline Switching Controller IC
The FSL337LRN from onsemi is a high-performance offline switching controller IC designed for AC-DC power conversion applications up to 20W. This integrated solution features a 700V breakdown voltage internal switch and supports multiple topologies including Buck, Buck-Boost, and Flyback configurations.
Key Features & Benefits
- High Voltage Integration: 700V breakdown voltage with integrated internal switch eliminates external components
- Multi-Topology Support: Flexible design supports Buck, Buck-Boost, and Flyback topologies for diverse applications
- Comprehensive Protection: Built-in current limiting, over-load, over-temperature, over-voltage, and open-loop protection
- Efficient Operation: 50kHz switching frequency optimized for 20W power applications
- Wide Operating Range: -40°C to 125°C junction temperature for industrial and automotive environments
- Easy Implementation: Through-hole 7-DIP package with enable and soft-start control features
Typical Applications
- AC-DC power supplies and adapters
- Auxiliary power supplies for industrial equipment
- Standby power converters
- LED driver circuits
- Battery charger front-ends
- Smart home and IoT device power modules
Why Choose FSL337LRN?
The FSL337LRN delivers exceptional reliability and performance for cost-sensitive offline power conversion designs. Its integrated 700V switch and comprehensive fault protection reduce BOM count and design complexity while ensuring robust operation across demanding industrial temperature ranges. Backed by onsemi's quality and our authorized distributor support, this IC provides the foundation for long-lifecycle power supply designs.
Authorized Distributor: All FSL337LRN units are sourced through authorized onsemi distribution channels with full manufacturer traceability, documentation, and warranty support. We guarantee 100% authentic components for your critical designs.
| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | |
| Packaging | | |
| Output Isolation | Non-Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 700V |
| Topology | Buck, Buck-Boost, Flyback |
| Voltage - Start Up | 8 V |
| Voltage - Supply (Vcc/Vdd) | 26V |
| Duty Cycle | - |
| Frequency - Switching | 50kHz |
| Power (Watts) | 20 W |
| Fault Protection | Current Limiting, Open Loop, Over Load, Over Temperature, Over Voltage |
| Control Features | EN, Soft Start |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm), 7 Leads |
| Supplier Device Package | 7-DIP |
| ROHS |

FSL337LRN.pdf