| 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 | LR190 | 1 | 1.9 | 3.9 | 15 | 100 | 0.8 | 9.5 | 5.0 | 0.039 | 0.072 | 0.102 |
| UBF | LR190S | 2 | 1.9 | 3.9 | 15 | 100 | 0.8 | 9.5 | 5.0 | 0.039 | 0.072 | 0.102 |
| UBF | LR260 | 1 | 2.6 | 5.8 | 15 | 100 | 1.0 | 13.0 | 5.0 | 0.020 | 0.042 | 0.063 |
| UBF | LR260S | 2 | 2.6 | 5.8 | 15 | 100 | 1.0 | 13.0 | 5.0 | 0.020 | 0.042 | 0.063 |
| UBF | LR380 | 1 | 3.8 | 8.3 | 15 | 100 | 1.2 | 19.0 | 5.0 | 0.013 | 0.026 | 0.037 |
| UBF | LR450 | 1 | 4.5 | 8.9 | 20 | 100 | 1.4 | 22.5 | 5.0 | 0.011 | 0.020 | 0.028 |
| UBF | LR550 | 1 | 5.5 | 10.5 | 20 | 100 | 2.0 | 27.5 | 5.0 | 0.009 | 0.016 | 0.022 |
| UBF | LR600 | 1 | 6.0 | 11.7 | 20 | 100 | 1.7 | 30.0 | 5.0 | 0.007 | 0.014 | 0.019 |
| UBF | LR730 | 1 | 7.3 | 14.1 | 20 | 100 | 1.9 | 30.0 | 5.0 | 0.006 | 0.012 | 0.015 |
| 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 LR190 | 19.9 | 22.1 | 0.6 | 1.0 | 4.9 | 5.5 | 5.5 | 7.5 | 5.5 | 7.5 | 3.9 | 4.1 |
| UBF LR190S | 19.9 | 22.1 | 0.6 | 1.0 | 4.9 | 5.5 | 5.5 | 7.5 | 5.5 | 7.5 | 3.9 | 4.1 |
| UBF LR260 | 20.9 | 23.1 | 0.6 | 1.0 | 4.9 | 5.5 | 4.1 | 5.5 | 4.1 | 5.5 | 3.9 | 4.1 |
| UBF LR260S | 20.9 | 23.1 | 0.6 | 1.0 | 4.9 | 5.5 | 4.1 | 5.5 | 4.1 | 5.5 | 3.9 | 4.1 |
| UBF LR380 | 24.0 | 26.0 | 0.6 | 1.0 | 6.9 | 7.5 | 4.1 | 5.5 | 4.1 | 5.5 | 4.9 | 5.1 |
| UBF LR450 | 24.0 | 26.0 | 0.6 | 1.0 | 9.9 | 10.5 | 5.3 | 6.7 | 5.3 | 6.7 | 5.9 | 6.1 |
| UBF LR550 | 35.0 | 37.0 | 0.6 | 1.0 | 6.9 | 7.5 | 5.3 | 6.7 | 5.3 | 6.7 | 4.9 | 5.1 |
| UBF LR600 | 24.0 | 26.0 | 0.6 | 1.0 | 13.9 | 14.5 | 4.1 | 5.5 | 4.1 | 5.5 | 5.9 | 6.1 |
| UBF LR730 | 27.1 | 29.1 | 0.6 | 1.0 | 13.9 | 14.5 | 4.1 | 5.5 | 4.1 | 5.5 | 5.9 | 6.1 |
| UL File Number | E 119550 |
| c-UL File Number | E 119550 |
| TUV File Number | Pending |
| Part No | -40 | -20 | 0 | 20 | 40 | 60 | 85 |
| UBF LR190 | 2.8 | 2.5 | 2.3 | 1.9 | 1.6 | 1.4 | 1.0 |
| UBF LR190S | 2.8 | 2.5 | 2.3 | 1.9 | 1.6 | 1.4 | 1.0 |
| UBF LR260 | 3.8 | 3.4 | 3.1 | 2.6 | 2.2 | 1.9 | 1.3 |
| UBF LR260S | 3.8 | 3.4 | 3.1 | 2.6 | 2.2 | 1.9 | 1.3 |
| UBF LR380 | 5.4 | 4.9 | 4.4 | 3.8 | 3.3 | 2.8 | 2.1 |
| UBF LR450 | 6.5 | 5.8 | 5.3 | 4.5 | 3.9 | 3.3 | 2.4 |
| UBF LR550 | 7.6 | 6.9 | 6.2 | 5.5 | 4.7 | 4.0 | 3.0 |
| UBF LR600 | 8.7 | 7.8 | 7.1 | 6.0 | 5.2 | 4.4 | 3.2 |
| UBF LR730 | 10.5 | 9.5 | 8.6 | 7.3 | 6.3 | 5.4 | 4.0 |
