Part No | Figure | lhold (A) | Itrip (A) |
Vmax (V) |
Imax (A) |
Pd typ (W) |
Max. (A) |
Time-to-trip (s) |
R min (Ω) |
R Max (Ω) |
R1 Max (Ω) |
|
UBF | SR120 | 1 | 1.20 | 2.7 | 15 | 100 | 1.2 | 6.0 | 5.0 | 0.085 | 0.160 | 0.220 |
UBF | SR175 | 1 | 1.75 | 3.8 | 15 | 100 | 1.5 | 8.75 | 5.0 | 0.050 | 0.090 | 0.120 |
UBF | SR200 | 1 | 2.00 | 4.4 | 30 | 100 | 1.9 | 10.0 | 4.0 | 0.030 | 0.060 | 0.100 |
UBF | SR350 | 1 | 3.50 | 6.3 | 30 | 100 | 2.5 | 20.0 | 3.0 | 0.017 | 0.031 | 0.050 |
UBF | SR420 | 1 | 4.20 | 7.6 | 30 | 100 | 2.9 | 20.0 | 6.0 | 0.012 | 0.024 | 0.040 |
Ihold | 保持電流是 UB Fuse 在 20°C 時可以不間斷通過的最大電流,除非另有說明。 |
Itrip | 跳閘電流是在 20°C 時將器件從低電阻狀態切換到高電阻狀態的最小電流,除非另有說明。 |
Vmax | 器件在額定電流下可以承受而不損壞的最大電壓。 |
Imax | 器件在額定電壓下所能承受而不損壞的最大電流。 |
Pd | 除非另有說明,否則設備在 20°C 時處於跳閘狀態時消耗的功率。 |
R min | 除非另有說明,否則為 20°C 時從工廠收到的器件的最小電阻。 |
R max | 除非另有說明,否則為 20°C 時從工廠收到的設備的最大電阻。 |
R1max | 除非另有說明,否則在 20°C 下跳閘後一小時測得的設備最大電阻。 |
Max. Time-to-trip |
除非另有說明,否則設備在 20°C 下在指定電流額定值下跳閘的最長時間。 |
Test | Test Conditions | Resistance Change |
Passive Aging | +70°C, 1000 hours | ±10% typical resistance change |
Humidity Aging | +85°C, 85% R.H., 7 days | ±10% typical resistance change |
Thermal Shock | +85°C to -40°C, 10 times MIL-STD-202, Method 107G |
±+5% typical resistance change |
Vibration | MIL-STD-883C, Condition A | No change |
A | B | C | D | E | F | |||||||
Part No | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. | Min. | Max. |
UBF SR120 | 19.9 | 22.1 | 0.6 | 1.0 | 4.9 | 5.2 | 5.5 | 7.5 | 5.5 | 7.5 | 3.9 | 4.1 |
UBF SR120S | 19.9 | 22.1 | 0.6 | 1.0 | 4.9 | 5.2 | 5.5 | 7.5 | 5.5 | 7.5 | 3.9 | 4.1 |
UBF SR175 | 20.9 | 23.1 | 0.6 | 1.0 | 4.9 | 5.2 | 4.1 | 5.5 | 4.1 | 5.5 | 3.9 | 4.1 |
UBF SR175S | 20.9 | 23.1 | 0.6 | 1.0 | 4.9 | 5.2 | 4.1 | 5.5 | 4.1 | 5.5 | 3.9 | 4.1 |
UBF SR175SS | 20.9 | 23.1 | 0.6 | 1.0 | 4.9 | 5.2 | 4.1 | 5.5 | 4.1 | 5.5 | 3.9 | 4.1 |
UBF SR175N | 26.0 | 28.0 | 0.6 | 1.0 | 3.55 | 3.80 | 7.1 | 8.5 | 7.1 | 8.5 | 2.4 | 2.6 |
UBF SR200 | 21.3 | 23.4 | 0.5 | 1.1 | 10.2 | 11.0 | 5.0 | 7.6 | 5.0 | 7.6 | 4.8 | 5.4 |
UBF SR200N | 30.0 | 32.0 | 0.6 | 1.0 | 3.55 | 3.80 | 5.5 | 7.5 | 5.5 | 7.5 | 2.4 | 2.6 |
UBF SR350 | 28.4 | 31.8 | 0.5 | 1.1 | 13.0 | 13.5 | 6.3 | 8.9 | 6.3 | 8.9 | 6.0 | 6.6 |
UBF SR420 | 30.6 | 32.4 | 0.5 | 1.1 | 12.9 | 13.6 | 5.0 | 7.5 | 5.0 | 7.5 | 6.0 | 6.7 |
UL File Number | E 119550 |
TUV File Number | Pending |
Part No | -40 | -20 | 0 | 25 | 40 | 60 | 85 |
UBF SR120 | 1.9 | 1.7 | 1.5 | 1.2 | 1.0 | 0.8 | 0.4 |
UBF SR120S | 1.9 | 1.7 | 1.5 | 1.2 | 1.0 | 0.8 | 0.4 |
UBF SR175 | 2.5 | 2.2 | 2.0 | 1.75 | 1.4 | 1.2 | 0.8 |
UBF SR175S | 2.5 | 2.2 | 2.0 | 1.75 | 1.4 | 1.2 | 0.8 |
UBF SR175SS | 2.5 | 2.2 | 2.0 | 1.75 | 1.4 | 1.2 | 0.8 |
UBF SR175N | 2.5 | 2.2 | 2.0 | 1.75 | 1.4 | 1.2 | 0.8 |
UBF SR200 | 3.1 | 2.8 | 2.5 | 2.0 | 1.7 | 1.4 | 0.9 |
UBF SR200N | 3.1 | 2.8 | 2.5 | 2.0 | 1.7 | 1.4 | 0.9 |
UBF SR350 | 5.3 | 4.8 | 4.3 | 3.5 | 3.0 | 2.5 | 1.7 |
UBF SR420 | 6.3 | 5.7 | 5.1 | 4.2 | 3.6 | 3.0 | 2.1 |