SA40A – 40 V 500 W Uni-Directional TVS Diode | DO-15 | DC Line & Control Circuit Protector SEP

The SA40A protects 40 V power rails and industrial modules from high-energy electrical transients. Its avalanche design ensures reliable suppression of voltage spikes and inductive switching surges.

Key Specifications

• VRWM: 34.2 V

• VBR: 38.0–42.0 V

• VC: 64.5 V

• Peak Pulse Power: 500 W

Applications

• 40 V control circuits

• Automation & instrumentation

• DC power distribution surge protection

• Industrial I/O interfaces

Features

• Rapid < 1 ns response

• High surge endurance

• Tight VBR tolerance

• DO-15 long-life construction