SA48CA – 48V Bidirectional TVS Diode | 500 W Peak Pulse Power | DO-15 SEP

The SA48CA is a 500 W bidirectional transient voltage suppressor diode designed for protecting sensitive circuits from high-energy transients, ESD, lightning surges, and inductive switching events. With a breakdown range of 53.3–58.9 V and strong avalanche capability, it provides reliable clamping for industrial, telecom, automotive, and general-purpose surge protection applications.

Key Specifications

• Working Voltage: 48 V

• Breakdown Voltage: 53.3 – 58.9 V

• Clamping Voltage: 77.4 V @ 6.5 A

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

• Polarity: Bidirectional (CA version)

• Package: DO-204AC (DO-15)

• Leakage Current: ≤ 1 µA @ 48 V

Applications

• Industrial control equipment

• Automotive DC protection

• Power supply input protection

• Relay/solenoid surge suppression

• Telecom and data line surge protection

Features

• Bidirectional protection

• 500 W surge handling

• Fast response to transient events

• Low leakage and stable clamping

• Glass-passivated junction for high reliability