onsemi UJ4N 750V 4.3mΩ Normally On SiC JFET Transistor
onsemi UJ4N 750V 4.3mΩ Normally On SiC JFET Transistor exhibits ultra-low on resistance (RDS(on)) in a compact TOLL package. This feature makes it ideal for addressing the challenging thermal and space constraints of solid-state circuit breakers and relay applications. The UJ4N JFET from onsemi uses robust technology capable of the high-energy switching required in circuit protection applications.
Features
- Single-digit on-resistance in a TOLL SMD package
- +175°C maximum operating temperature
- High pulse current capability
- Excellent device robustness
- Silver-sintered die attached for excellent thermal resistance
- Short circuit rated
- RoHS compliant
Applications
- Solid state/semiconductor circuit breakers
- Solid state/semiconductor relays
- Battery disconnects
- Surge protection
- Inrush current control
Circuit Diagram
Published: 2024-10-09
| Updated: 2025-07-25