Littelfuse_456規格書(shū)
Ampere Rating (A) | Amp Code | Max Voltage Rating(V) | Interruping Rating | Nominal Cold Resistance (Ohms) | Nominal Melting I2t(A2sec) | Nom Voltage Drop（mV） |
| 20 | 020. | 125 | 100A@125VAC 300A@65VDC 300A@100VDC 1000A@32VAC 500A@72VDC | 0.00230 | 18 | 64.7 |
| 25 | 025. | 125 | 100A@125VAC 300A@65VAC 500A@72VDC 1000A@32VDC | 0.00192 | 45 | 68.38 |
| 30 | 030. | 125 | 100A @ 125VAC 300A@65VAC 1000A@32VDC 500A@72VDC | 0.00132 | 81 | 69.9 |
| 40 | 040. | 72 | 180A@72VDC 600A@60VDC | 0.00105 | 191 | 55 |
