This document describes the features and characteristics of a high-frequency high-voltage diode bridge assembly product, including 100kHz operation frequency, airborne application up to 50,000 ft, high efficiency, low EMI/corona discharge, thermally conductive aluminum base plate, etc.
The SPA547-01 is a hyperfast high‑voltage diode bridge assembly rated for 10.5 kV and 1.5 A. It features 100 kHz operation, airborne use up to 50,000 ft, high efficiency, low EMI/corona discharge, a thermally conductive aluminum base plate, and helicoil mounting inserts.
The datasheet provides electrical characteristics per leg, including peak repetitive reverse voltage of 3 kV, half‑wave rectified forward current of 0.8 A, peak surge current of 40 A, and a maximum dielectric voltage of 15 kV. It also lists temperature ranges, thermal resistance, capacitances, and reverse recovery time for design reference.
| Peak Repetitive Reverse Voltage (Vr) | 3,000 V |
|---|---|
| Half Wave Rectified Forward Current (Io) | 0.8 A |
| Peak Surge Current (I) | 40 A |
| Maximum Dielectric Voltage (VoreL) | 15,000 V |
| Operating Temperature Range (Base plate) | -45 °C to +100 °C |
| Storage Temperature Range | -55 °C to +150 °C |
| Maximum Thermal Resistance (Rac) | 15 °C/W |
| Maximum Instantaneous Forward Voltage Drop (Vv) | 82 V |
| Maximum Reverse Leakage Current (I) | 1 µA |
| Maximum Reverse Leakage Current at 100 °C (Tro) | 50 pA |
| Maximum Junction Capacitance (Cc) | 12 pF |
| Maximum Pin‑to‑Ground Capacitance (Cc) | 30 pF |
| Maximum Reverse Recovery Time (t) | 40 ns |
The peak surge current is rated at 40 A.
The base plate can operate from –45 °C up to +100 °C.
The maximum dielectric voltage is 15,000 V.
The maximum instantaneous forward voltage drop is 82 V (measured with a 300 µs pulse).