

The Littelfuse 400 Series is a TE5 Time Lag Fuse with High Breaking Capacity.
- Operate at temperatures from –40°C to 125°C
- Higher nominal melting I2T
- Higher interrupt rating
- Broad current rating 500mA to 6.3A
- Lead-Free, Halogen-Free, Compliance with RoHS
- Shock safe casing
400 Parts
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Showing 1 to 12 of 22 Total Results
Part Number | Actions | Maximum AC Voltage (V) | Resistance (Ω) | Nominal Melting I2T (A2sec) | 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) | Opening | Max Operating Temperature (°C) | Minimum Operating Temperature (°C) | interrupt Voltage (V) -1 | Agency Approvals | |
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250 | 5.3 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / UKCA / CE / CCC / TUV / K / METI | ||||
250 | 5.3 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / UKCA / CCC / CE / K / METI / TUV | ||||
250 | 0.10025 | 6.72 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / CCC / CE / UKCA / TUV / K / METI | |||
250 | 6.72 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / CCC / CE / METI / TUV / UKCA / K | ||||
250 | 0.0808 | 9.63 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / CCC / METI / K / CE / TUV / UKCA | |||
250 | 9.63 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / UKCA / CCC / CE / K / METI / TUV | ||||
250 | 0.0562 | 14.44 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / K / CCC / CE / METI / TUV / UKCA | |||
250 | 14.44 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / UKCA / CCC / CE / K / METI / TUV | ||||
250 | 0.03835 | 21.75 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / UKCA / CE / CCC / METI / TUV / K | |||
250 | 21.75 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / UKCA / CE / K / METI / TUV / CCC | ||||
250 | 0.02915 | 32.16 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / UKCA / CCC / K / METI / TUV / CE | |||
250 | 32.16 | Slo-Blo/Time Lag (T)/Time Delay | 85 | -40 | 250 | cURus / UKCA / CCC / CE / K / METI / TUV |
400 Applications
- SMPS for NB, printers, adaptors, consumer electronics, industrial controllers, battery chargers
Series: 400 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.