SA51CA – 51V Bidirectional TVS Diode | 500 W Peak Pulse Power | DO-15 SEP

The SA51CA is a 500 W bidirectional TVS diode designed for surge, ESD, and lightning transient protection. With a breakdown range of 56.7–62.3 V, it offers reliable clamping performance for industrial electronics, automotive systems, and telecom line interfaces requiring mid-voltage protection.

Key Specifications

• Working Voltage: 51 V

• Breakdown Voltage: 56.7 – 62.3 V

• Clamping Voltage: 82.4 V @ 6.1 A

• Peak Pulse Power: 500 W (10/1000 µs)

• Polarity: Bidirectional (CA)

• Package: DO-204AC (DO-15)

• Leakage Current: ≤ 1 µA @ 51 V

Applications

• Industrial automation and control

• Automotive power lines

• DC supply protection

• Relay and inductive load surge suppression

• Telecom and networking equipment

Features

• Bidirectional protection

• High surge capability (500 W)

• Fast response to transients

• Low leakage current

• High-reliability glass-passivated junction