This document describes the features and characteristics of a high voltage Schottky rectifier, suitable for Switch Mode Power Supplies and other Power Converters. It has negligible switching losses, low forward drop, low capacitance, and high reverse avalanche surge capability.
The STPS1045B is a high‑voltage Schottky rectifier intended for use in switch‑mode power supplies and other high‑frequency power conversion circuits. It offers low forward drop, low capacitance, and high avalanche surge capability.
Key data include a 10 A average forward current, 45 V repetitive reverse voltage, and a DPAK surface‑mount package. Thermal resistance, leakage current, and detailed mechanical dimensions are also listed for design and reliability calculations.
| Average forward current (IF(AV)) | 10 A |
|---|---|
| Repetitive peak reverse voltage (VRRM) | 45 V |
| Maximum forward voltage drop (VF max) | 0.57 V |
| Maximum junction temperature (Tj) | 175 °C |
| Storage temperature range | -65 °C to +175 °C |
| Junction‑to‑case thermal resistance (Rth(j‑c)) | 3 °C/W |
The device is rated for a repetitive peak reverse voltage of 45 V.
At 10 A and 25 °C, the forward voltage drop is about 0.63 V (max 0.57 V).
The diode is packaged in a DPAK surface‑mount package.
The junction‑to‑case thermal resistance is 3 °C/W.