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1. Product Dimensions &Outline Drawing & marking（Unit:mm）
Model | A | B | C | D | E | Lead |
MAX | MAX | TYP | MIN | MAX | Φ |
TRA185 | 9.4 | 14.5 | 5.1 | 7.6 | 3.1 | 0.50 |
2. Electrical Properties
Model | IH (A) | IT (A) | Vmax (v) | Imax (A) | Ttrip | Pdtyp （W） | Rmin (Ω) | Rmax (Ω) | R1max (Ω) |
(A) | (S) |
TRA185 | 1.85 | 3.70 | 16 | 40 | 9.25 | 4.5 | 0.54 | 0.030 | 0.080 | 0.100 |
IH: Holding Current: maximum current at which the device will not trip in 25℃ still air.
IT: Tripping Current minimum current at which the device will trip in 25℃still air.
Vmax: Maximum voltage device can withstand without damage at rated current.
Imax: Maximum fault current device can withstand without damage at rated voltage.
Ttrip: Maximum time to trip(s) at assigned current.
Pdtyp: Rated working power.
Rmin: Minimum resistance of device prior to trip at 25℃.
Rmax: Maximum resistance of device prior to trip at 25℃.
R1max:Maximum resistance of device measured one hour after tripping at 25℃.
3. Thermal Derating Chart – Ihold(Amps)
Model | Ambient Operating Temperature |
-40℃ | -20℃ | 0℃ | 25℃ | 40℃ | 50℃ | 60℃ | 70℃ | 85℃ |
TRA185 | 2.68 | 2.41 | 2.13 | 1.85 | 1.53 | 1.40 | 1.23 | 1.13 | 0.93 |
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