- STEF512SRI Dual electronic fuse for 5V and 12V rails with reverse current blocking
- STEF512SRDB Dual eFuse for 5 V and 12 V rails
- STEF512SRX 用于5V和12V电源轨的双电子保险丝，具有反向电流阻断功能
- STEF512PUR Dual electronic fuse for 5V and 12V rails
- STEF512GR Dual electronic fuse for 5V and 12V rails