Wired smoke detectors and heat alarms require dependable ac power supplies, highly efficient dc–dc converters, and accurate temperature sensors.


TE5 Fuse, Time-Lag type, 250V rated, designed in accordance to IEC 60127-3.
- Reduced PCB space requirements
- Direct solderable or plug-in versions
- Internationally approved
- Low internal resistance
- Shock safe casing
- Vibration resistant
- Halogen free
- Lead-free and RoHS compliant
- Red Phosphorus Free
392 Parts
Filters
Showing 1 to 12 of 245 Total Results
Part Number | Actions | Maximum AC Voltage (V) | Resistance (Ω) | Nominal Melting I2T (A2sec) | MSL | Opening | Max Operating Temperature (°C) | Minimum Operating Temperature (°C) | interrupt Voltage (V) -1 | Agency Approvals |
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Part Number | Actions | Maximum AC Voltage (V) | Resistance (Ω) | Nominal Melting I2T (A2sec) | MSL | Opening | Max Operating Temperature (°C) | Minimum Operating Temperature (°C) | interrupt Voltage (V) -1 | Agency Approvals | |
---|---|---|---|---|---|---|---|---|---|---|---|
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR | |||||||
125 | Very Fast-Acting (FF) | 125 | -55 | UR |
392 Applications

Smoke & Heat Detectors
Highlights Section
- Battery Chargers
- Consumer Electronics
- Power supplies
- Industrial Controllers
- Chargers
- Click Here for 392 Series TC curve file.
Series: 392 Resources

Circuit Protection Selection Guide
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.