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mSMD200-16V

Public Made by Adom

by adom

TECHFUSE Resettable Fuses, 1812. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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mSMD200-16V

TECHFUSE · Resettable Fuses · 1812

mSMD200-16V from TECHFUSE, in a 1812. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 1 passive Non-polarized PPTC terminal pad (tin-plated nickel-copper); device is rated 16 Vdc max, 100 A max fault current, 2.00 A hold and 4.00 A trip at 25°C.
2 2 passive Second non-polarized PPTC terminal pad (tin-plated nickel-copper); the pad layout is 1.78±0.1 mm by 3.2±0.1 mm per pad, and the device operates from -40°C to +85°C.

Key specifications

Parameter Value
Manufacturer TECHFUSE
Package 1812
Category Circuit Protection
Pins 2

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Minimum device resistance prior to tripping Rimin 0.015 W at 25°C 2
Maximum device resistance one hour post reflow R1max 0.1 W measured one hour post reflow 2
Maximum operating voltage Vmax 16 Vdc at rated current (Imax) 2
Maximum fault current Imax 100 A at rated voltage (Vmax) 2
Trip current Itrip 4 A 25°C still air 2
Resistance change, passive aging -5 5 % +85°C, 1000 hrs (typical) 2
Resistance change, humidity aging -5 5 % +85°C, 85% R.H., 168 hours (typical) 2
Resistance change, thermal shock -33 33 % +85°C to -40°C, 20 times (typical) 2
Ambient operating temperature -40 85 °C ambient operating conditions 2
Maximum surface temperature in tripped state 125 °C device in the tripped state 2
Hold current Ihold 2 A 25°C still air; maximum current device will not trip 2
Power dissipation in tripped state Pd 0.8 W tripped state, 25°C still air, at rated voltage 2
Time to trip 2 Sec at 8.0 A current 2
Hold current vs maximum ambient temperature Ihold 2.88 A maximum ambient operating temperature -40°C 2
Hold current vs maximum ambient temperature Ihold 2.61 A maximum ambient operating temperature -20°C 2
Hold current vs maximum ambient temperature Ihold 2.25 A maximum ambient operating temperature 0°C 2
Hold current vs maximum ambient temperature Ihold 2 A maximum ambient operating temperature 25°C 2
Hold current vs maximum ambient temperature Ihold 1.8 A maximum ambient operating temperature 40°C 2
Hold current vs maximum ambient temperature Ihold 1.66 A maximum ambient operating temperature 50°C 2
Hold current vs maximum ambient temperature Ihold 1.45 A maximum ambient operating temperature 60°C 2
Hold current vs maximum ambient temperature Ihold 1.09 A maximum ambient operating temperature 70°C 2
Hold current vs maximum ambient temperature Ihold 0.8 A maximum ambient operating temperature 85°C 2

Materials and finish

As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).

Part Material Colour / plating Datasheet says Page
contacts Copper tin Termination Pad Characteristics Terminal pad materials： Tin-plated Nickel-Copper Terminal pad solderability： Meets EIA specification RS186-9E and ANSI/J-STD-002 Category 3. Rework 3

CAD (KiCad official)

  • Symbol: mSMD200-16V
  • Footprint: Fuse:Fuse_1812_4532Metric
  • 3D model: 1812, generated from the KiCad footprint (body from the F.Fab outline, terminals on the pads, 0.9 mm nominal 1806 height). Neither the vendor nor KiCad ships a 3D model for this package, so the dimensions are nominal, not the manufacturer's CAD (STEP)
  • 3D model files: msmd200-16v-etched.step / msmd200-16v-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); msmd200-16v.step / msmd200-16v.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: TECHFUSE datasheet (4 pp, sha256 e135de355c33f0d0, retrieved 2026-10-17, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF