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1. Product Dimensions & Outline Drawing & marking（Unit:mm）
Model | A | B | C | D |
Min. | Max. | Min. | Max. | Min. | Max. | Min. |
NSMD012 | 3.00 | 3.40 | 1.40 | 1.80 | 0.80 | 1.20 | 0.25 |
2. Electrical Properties
Model | IH (A) | IT (A) | Vmax (v) | Imax (A) | T (Max time to trip) | Pdtyp （W） | Rmin (Ω) | R1max (Ω) |
(A) | (S) |
NSMD012 | 0.12 | 0.29 | 30 | 10 | 1.00 | 0.20 | 0.40 | 1.350 | 8.500 |
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 is measured one hours post reflow at 25℃.
Noted: All electrical funtion test is conducted after PCB mounted.
3. Thermal Derating Chart – Ihold(Amps)
Model | Ambient Operating Temperature |
-40℃ | -20℃ | 0℃ | 25℃ | 40℃ | 50℃ | 60℃ | 70℃ | 85℃ |
NSMD012 | 0.19 | 0.17 | 0.15 | 0.12 | 0.11 | 0.10 | 0.09 | 0.08 | 0.07 |
4. Typical time to trip at 25℃
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