Circuit Protection Selection Guide
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.
Part Number | Actions | Maximum AC Voltage (V) | Nominal Melting I2T (A2sec) | Resistance (Ω) | Opening | Operating Temperature | Agency Approvals |
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Part Number | Actions | Maximum AC Voltage (V) | Nominal Melting I2T (A2sec) | Resistance (Ω) | Opening | Operating Temperature | Agency Approvals | |
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250 | 0.0164 | 31.862 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / CE / CCC / Semko / EAC / VDE | |||
250 | 0.017 | 21.292 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / Semko / VDE / EAC / CE / CCC | |||
250 | 0.038 | 14.2685 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / CE / CCC / Semko / VDE | |||
250 | 0.079 | 6.018 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / CE / EAC / VDE / CCC / Semko | |||
250 | 27.15 | 0.08165 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / CE / BSI / VDE / CCC / Semko | |||
250 | 0.31 | 2.55 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / CCC / BSI / EAC / K / Semko / VDE / CE | |||
250 | 0.32 | 1.6 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / BSI / CCC / CE / EAC / VDE / K / Semko | |||
250 | 0.54 | 1.0495 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / BSI / CCC / Semko / EAC / K / CE / VDE | |||
250 | 1.23 | 0.8475 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / BSI / CE / Semko / K / VDE / CCC | |||
250 | 1.4 | 0.535 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / CE / CCC / Semko / EAC / VDE / BSI / K | |||
250 | 3 | 0.37 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / CCC / BSI / CE / Semko / K / VDE / EAC | |||
250 | 4.82 | 0.275 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | cURus / BSI / CCC / Semko / EAC / VDE / CE / K |
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.