
Bourns SF-3812SP-T Time Lag SMD Fuse
Bourns SF-3812SP-T Time Lag SMD Fuse provides a 1.25A rated current and 250VAC rated voltage in an EIA 3812 (10030 metric) footprint. SF-3812SP-T Fuse features a single blow fuse for overcurrent protection, a ceramic tube design for time-lag applications, and gold-plated brass end caps. Bourns SF-3812SP-T Time Lag SMD Fuse is ideally suited for power adapters, chargers, power boards, and battery protection applications.Features
- Single blow fuse for overcurrent protection
- EIA 3812 (10030 metric) footprint
- Ceramic tube design for time-lag applications
- UL 248-14, IEC 60127-1, and IEC 60127-4 listed
- Surface-mount packaging for automated assembly
- RoHS compliant and halogen-free
Applications
- Protection of PCBs
- Power adapters
- Power boards
- Chargers
- Medical equipment (low/medium risk)
- Battery protection
Specifications
- 1.25A rated current
- 250VAC rated voltage
- 0.105Ω resistance rating
- Open within 120 seconds at 200% rated current opening time
- -55°C to +125°C operating temperature range
- Class 6 ESD classification
- Interrupting ratings
- 200A @ 280VAC
- 200A @ 250VAC
- 200A @ 63VAC
- 100A @ 250VDC
- 100A @ 125VDC
- 200A @ 63VDC
Dimensions

Publicado: 2019-03-29
| Actualizado: 2023-03-20