The 10WQ045FN is a surface mount Schottky rectifier designed for applications requiring low forward drop and small footprints on PCB. It is suitable for applications such as disk drives, switching power supplies, converters, free-wheeling diodes, battery charging, and reverse battery protection.
The 10WQ045FN is a surface‑mount Schottky rectifier designed for low forward voltage drop and small rectangular 10 A footprints. Typical applications include disk drives, switching power supplies, converters, free‑wheeling diodes, battery charging and reverse battery protection.
The bulletin lists major ratings such as a 10 A average forward current, 45 V reverse voltage, forward voltage drop of 0.63 V at 10 A (25 °C), reverse leakage of 1 mA, junction temperature range –40 °C to 175 °C, and thermal resistance of 2.0 °C/W. The device is supplied in a D‑PAK (TO‑252AA) package with typical junction capacitance of 760 pF.
| Maximum Forward Current | 10 A |
|---|---|
| Maximum Reverse Voltage | 45 V |
| Forward Voltage Drop (10 A, 25 °C) | 0.63 V |
| Reverse Leakage Current (25 °C) | 1 mA |
| Junction Temperature Range | -40 °C to 175 °C |
| Thermal Resistance Junction‑to‑Case | 2.0 °C/W |
| Package Type | D‑PAK (TO‑252AA) |
| Typical Junction Capacitance | 760 pF |
The device can handle up to 10 A average forward current at 50 % duty cycle and a junction temperature of 157 °C.
The rectifier is rated for a maximum DC reverse voltage of 45 V.
It is supplied in a D‑PAK (TO‑252AA) surface‑mount package.
At 10 A and 25 °C the forward voltage drop is about 0.63 V.