RIVERSIDE, Calif. – The Bourns® Model PTVS03-450E-His a high-voltage, unidirectional TVS diode designed for DC bus clamping applications. The device provides a 450 V repetitive standoff voltage and a peak current rating of 300 A per IEC 61000-4-5 8/20 µs surge requirements, enabling protection against transient overvoltage events in high-voltage DC power systems.
The model is optimized for use in emerging 800 VDC distribution architectures, including AI deployment and rack protection applications, where reliable surge protection and system uptime are critical. The compact surface mount DFN package supports space-constrained designs while providing robust surge handling performance. The device is RoHS compliant* and operates across a junction temperature range of -55 °C to +150 °C.
Features
- 300 A (8/20 µs) surge capability
- Unidirectional TVS
- Surface mount package
Applications
- DC bus protection
- 800 VDC distribution architecture into AI deployment and rack protection.
- Solid-state circuit breaker
Summarized Specifications





