Fast Tripping Resettable Solid State SMD Polymer PTC Devices
Surface Mount Fuse 1206 50mA 60V For Automated Assembly
Agency Approvals
Agency Approvals:UL,CSA,TUV
Regulation/Standard: RoHS 2.0(2011/65/CE)
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Product Dimensions & Marking (Unit: mm)
| P/N | Marking
| A | B | C | D |
| Min. | Max. | Min. | Max. | Min. | Max. | Min. |
| NSMD005 | T0 | 3.00 | 3.40 | 1.40 | 1.80 | 0.80 | 1.20 | 0.25 |
| NSMD010 | T1 | 3.00 | 3.40 | 1.40 | 1.80 | 0.80 | 1.20 | 0.25 |
| NSMD012 | T01 | 3.00 | 3.40 | 1.40 | 1.80 | 0.80 | 1.20 | 0.25 |
| NSMD020 | T02 | 3.00 | 3.40 | 1.40 | 1.80 | 0.60 | 1.00 | 0.25 |
| NSMD025 | T03 | 3.00 | 3.40 | 1.40 | 1.80 | 0.60 | 1.00 | 0.25 |
| NSMD035 | T04 | 3.00 | 3.40 | 1.40 | 1.80 | 0.60 | 1.00 | 0.25 |
| NSMD050 | T05 | 3.00 | 3.40 | 1.40 | 1.80 | 0.60 | 1.00 | 0.25 |
| NSMD075 | T07 | 3.00 | 3.40 | 1.40 | 1.80 | 0.45 | 0.85 | 0.25 |
| NSMD100 | T10 | 3.00 | 3.40 | 1.40 | 1.80 | 0.80 | 1.20 | 0.25 |
| NSMD110 | T10 | 3.00 | 3.40 | 1.40 | 1.80 | 0.80 | 1.20 | 0.25 |
| NSMD150 | T15 | 3.00 | 3.40 | 1.40 | 1.80 | 0.80 | 1.20 | 0.25 |
| NSMD175 | T20 | 3.00 | 3.50 | 1.40 | 1.80 | 0.80 | 1.20 | 0.25 |
| NSMD200 | T20 | 3.00 | 3.50 | 1.40 | 1.80 | 0.80 | 1.20 | 0.25 |
Electrical Characteristics
| P/N | IH, (A) | IT,(A) | Vmax,(v) | Imax,(A) | (A) | (Sec.) | Pd typ(W) | (Ω) |
| Rmin | R1max |
| NSMD005 | 0.05 | 0.15 | 60 | 10 | 0.25 | 1.50 | 0.40 | 2.500 | 40.00 |
| NSMD010 | 0.10 | 0.25 | 30 | 10 | 0.50 | 1.20 | 0.40 | 1.400 | 15.00 |
| NSMD012 | 0.12 | 0.29 | 30 | 10 | 1.00 | 0.20 | 0.40 | 1.350 | 8.500 |
| NSMD020 | 0.20 | 0.46 | 24 | 10 | 1.00 | 0.60 | 0.60 | 0.600 | 2.600 |
| NSMD025 | 0.25 | 0.55 | 16 | 10 | 1.25 | 0.60 | 0.60 | 0.400 | 2.400 |
| NSMD035 | 0.35 | 0.75 | 6 | 40 | 8.00 | 0.10 | 0.60 | 0.300 | 1.200 |
| NSMD050 | 0.50 | 1.00 | 13.2 | 40 | 8.00 | 0.10 | 0.40 | 0.150 | 0.750 |
| NSMD075 | 0.75 | 1.50 | 6 | 100 | 8.00 | 0.10 | 0.40 | 0.100 | 0.400 |
| NSMD100 | 1.00 | 2.00 | 6 | 100 | 8.00 | 0.10 | 0.60 | 0.060 | 0.280 |
| NSMD110 | 1.10 | 2.20 | 6 | 100 | 8.00 | 0.10 | 0.60 | 0.060 | 0.280 |
| NSMD150 | 1.50 | 3.00 | 6 | 100 | 8.00 | 0.30 | 0.60 | 0.030 | 0.170 |
| NSMD175 | 1.75 | 3.50 | 6 | 100 | 8.00 | 1.00 | 0.70 | 0.020 | 0.12 |
| NSMD200 | 2.00 | 4.00 | 6 | 100 | 8.00 | 1.00 | 0.70 | 0.020 | 0.120 |
IH=Hold current: maximum current at which the device will not trip
at 25℃ still air.
IT=Trip current: minimum current at which the device will always
trip at 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=Typical power dissipation: typical amount of power dissipated
by the device when in state air environment.
Rmin=Minimum device resistance at 25℃ prior to tripping.
R1max=Maximum device resistance measured in the nontripped state 1
hour post reflow.
Features
Small size of 1206
Fast tripping resettable circuit protection
Surface mount packaging for automated assembly
Agency recognition: UL,CSA,TUV
RoHS Compliant (Lead Free) Product
Applications: All high-density boards
Product Features: Small surface mountable, Solid state, Faster time
to trip than standard SMD devices, Lower resistance than standard
SMD devices
Operation Current: 0.05A~2.0A
Maximum Voltage: 6V~60V
Temperature Range : -40℃ to 85℃
Thermal Derating Curve
Typical time to trip at 25℃
The Time to Trip curves represent typical performance of a device
in a simulated application environment. Actual performance in
specific customer applications may differ from these values due to
the influence of other variables.
Packaging
Model Q’ty/Reel
NSMD005 ~ NSMD012；NSMD100~NSMD200 3500 pcs
NSMD020 ~ NSMD075 4000 pcs
Thermal Derating Chart – I hold (Amps)
| P/N | Ambient Operating Temperature |
| -40℃ | -20℃ | 0℃ | 25℃ | 40℃ | 50℃ | 60℃ | 70℃ | 85℃ |
| NSMD005 | 0.08 | 0.07 | 0.06 | 0.05 | 0.05 | 0.04 | 0.04 | 0.03 | 0.03 |
| NSMD010 | 0.16 | 0.14 | 0.13 | 0.10 | 0.09 | 0.08 | 0.08 | 0.07 | 0.06 |
| NSMD012 | 0.19 | 0.17 | 0.15 | 0.12 | 0.11 | 0.10 | 0.09 | 0.08 | 0.07 |
| NSMD020 | 0.30 | 0.27 | 0.24 | 0.20 | 0.18 | 0.16 | 0.14 | 0.12 | 0.11 |
| NSMD025 | 0.38 | 0.34 | 0.30 | 0.25 | 0.23 | 0.20 | 0.18 | 0.15 | 0.14 |
| NSMD035 | 0.51 | 0.46 | 0.40 | 0.35 | 0.30 | 0.27 | 0.24 | 0.22 | 0.18 |
| NSMD050 | 0.76 | 0.68 | 0.59 | 0.50 | 0.44 | 0.40 | 0.35 | 0.32 | 0.26 |
| NSMD075 | 1.11 | 1.00 | 0.85 | 0.75 | 0.67 | 0.61 | 0.52 | 0.50 | 0.42 |
| NSMD100 | 1.60 | 1.40 | 1.30 | 1.00 | 0.90 | 0.80 | 0.75 | 0.70 | 0.60 |
| NSMD110 | 1.64 | 1.46 | 1.30 | 1.10 | 0.92 | 0.83 | 0.80 | 0.65 | 0.52 |
| NSMD150 | 2.20 | 1.99 | 1.77 | 1.50 | 1.34 | 1.23 | 1.10 | 1.01 | 0.84 |
| NSMD175 | 2.57 | 2.32 | 2.07 | 1.75 | 1.56 | 1.44 | 1.28 | 1.18 | 0.98 |
| NSMD200 | 2.88 | 2.61 | 2.28 | 2.00 | 1.80 | 1.66 | 1.51 | 1.39 | 1.19 |
