STMicroelectronics STEF4SPUR Electronic Fuse, High-Side Sensing, 10V Input, 5A Output, -40°C ~ 85°C, 10-WFDFN Exposed Pad (3x3 mm), Surface Mount, ROHS3 Compliant, Active.
| Parameter | Value |
|---|---|
| Mounting | Surface Mount |
| Voltage - input | 10V |
| Output current | 5A |
| Operating temperature | -40°C ~ 85°C (TA) |
| Package | Tape & Reel (TR); Cut Tape (CT) |
| Function | Electronic Fuse |
| Case | 10-WFDFN Exposed Pad |
| Sensing method | High-Side |
The high-side topology also suits battery-powered equipment where you need to protect the load from a shorted input.
The 5A continuous output is the headline number for sizing. That is the current the part can carry under normal operation, not a surge rating.
The STEF4SPUR is rated for 5A continuous output current at a 10V input. That is the nominal load it can carry under normal operation.
Yes, the electronic fuse function with high-side sensing and controlled turn-on makes it well suited for hot-swap controller roles where you need inrush current limiting and overcurrent protection on a 10V rail. The 5A output covers typical hot-swap loads in industrial and telecom gear.
The STEF4SPUR is supplied in a 10-WFDFN exposed-pad package (3x3 mm) for surface-mount assembly. It ships in Tape & Reel or Cut Tape options.