onsemi FSD146MRBN
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | Dhs. 355,904.94 | Dhs. 355,904.94 |
| 15+ | Dhs. 344,665.84 | Dhs. 5,169,987.60 |
| 25+ | Dhs. 337,173.10 | Dhs. 8,429,327.50 |
| 50+ | Dhs. 318,441.26 | Dhs. 15,922,063.00 |
| 100+ | Dhs. 280,977.59 | Dhs. 28,097,759.00 |
| N+ | Dhs. 56,195.52 | Price Inquiry |
Request Quote / Inquiry
onsemi FSD146MRBN - 35W Flyback Switching Regulator IC
The FSD146MRBN from onsemi's FPS™ (Fairchild Power Switch) series is a high-performance, isolated flyback switching regulator designed for offline AC-DC power conversion applications up to 35W. This integrated solution combines a 650V power MOSFET with a current-mode PWM controller, delivering exceptional efficiency and reliability in a compact 8-DIP through-hole package.
Key Features & Benefits
- Integrated 650V Power MOSFET: High breakdown voltage enables direct offline operation from universal AC input (85-265VAC)
- 35W Output Power: Ideal for consumer electronics, industrial controls, LED drivers, and auxiliary power supplies
- 67kHz Switching Frequency: Optimized for transformer size reduction and EMI performance
- Comprehensive Protection: Built-in current limiting, overload, over-temperature, over-voltage, and short-circuit protection ensures long-term reliability
- Wide Operating Range: 7.5V to 23V supply voltage with 12V start-up capability
- Extended Temperature Range: -40°C to +125°C junction temperature for demanding industrial environments
- Through-Hole Mounting: Standard 8-DIP package simplifies PCB assembly and rework
Typical Applications
- AC-DC adapters and chargers
- Auxiliary power supplies for industrial equipment
- LED lighting drivers
- Home appliances and consumer electronics
- Smart home devices and IoT applications
- Battery charging systems
Why Choose FSD146MRBN?
The FSD146MRBN simplifies power supply design by integrating critical components into a single package, reducing BOM cost and board space. Its robust protection features and wide operating temperature range make it suitable for both consumer and industrial applications. As an authorized distributor, we provide genuine onsemi components with full manufacturer documentation, traceability, and warranty support.
Authorized Distributor - Guaranteed Authenticity
We are an authorized distributor of onsemi semiconductors, ensuring you receive 100% genuine components with full manufacturer warranty, complete documentation, and supply chain traceability. Every FSD146MRBN IC is sourced directly from onsemi or authorized channels, backed by our commitment to quality and long lifecycle support.
Need technical support or design resources? Contact our applications team for reference designs, transformer calculations, and layout guidelines to accelerate your power supply development.
| Product attributes | Property Value |
| Manufacturer | onsemi |
| Product Series | FPS™ |
| Packaging | | |
| Output Isolation | Isolated |
| Internal Switch(s) | Yes |
| Voltage - Breakdown | 650V |
| Topology | Flyback |
| Voltage - Start Up | 12 V |
| Voltage - Supply (Vcc/Vdd) | 7.5V ~ 23V |
| Duty Cycle | 67% |
| Frequency - Switching | 67kHz |
| Power (Watts) | 35 W |
| Fault Protection | Current Limiting, Over Load, Over Temperature, Over Voltage, Short Circuit |
| Control Features | - |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Grade | - |
| Qualification | - |
| Mounting Type | Through Hole |
| Package / Case | 8-DIP (0.300", 7.62mm) |
| Supplier Device Package | 8-DIP |
FSD146MRBN.pdf