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) | Voltage Rating (V) | Vibration | Nominal Melting I2T (A2sec) | Resistance (Ω) | Body | MSL | Opening | Operating Temperature | Agency Approvals |
---|
Part Number | Actions | Maximum AC Voltage (V) | Voltage Rating (V) | Vibration | Nominal Melting I2T (A2sec) | Resistance (Ω) | Body | MSL | Opening | Operating Temperature | Agency Approvals | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 0.085 | 1.755 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 0.21 | 1.137 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 0.76 | 0.49 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 9.28 | 0.064 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR / METI | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 3.94 | 0.117 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR / METI | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 13 | 0.052 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR / METI | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 26.8 | 0.024 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR / METI | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 2.01 | 0.3 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR / METI | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 7.6 | 0.072 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR / METI | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 21 | 0.038 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR / METI | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 35 | 0.02 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR / METI | |||
125 | 125 | MIL-STD-202 Method 201 (10v55 Hz) / MIL-STD-202 Method 204 Test Condition C (55v2000 Hz at 10 Gµs Peak) | 54.8 | 0.0133 | Ceramic | MIL-STD-202 Method 106 | Slo-Blo/Time Lag (T)/Time Delay | -55° to 125°C | UR / METI |
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.