This document is about SPA548-01 high voltage diode bridge assembly technical data, including product features, performance, application scenarios and other information.
The SPA548-01 is a high‑voltage diode bridge assembly rated for 5.5 kV and 2 A, designed for airborne applications up to 50,000 ft. It features a thermally conductive aluminum base plate, helicoil mounting inserts, low EMI and corona discharge, and optional ESS screening.
The datasheet lists electrical characteristics per leg, including maximum reverse voltage, forward current, surge current, leakage currents, capacitances, and thermal resistance, as well as mechanical package dimensions and temperature limits.
| DC Blocking Voltage (per leg) | 2,000 V |
|---|---|
| Maximum Dielectric Voltage | 8,000 V |
| Storage Temperature Range | -55 °C to +150 °C |
| Junction‑to‑Case Thermal Resistance | 15 °C·W |
| Maximum Instantaneous Forward Voltage Drop | 6.0 V |
| Maximum Reverse Leakage Current (25 °C) | 5 nA |
| Maximum Reverse Leakage Current (100 °C) | 25 nA |
The maximum reverse voltage per leg is 2,000 V.