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nSMD005-72V

Public Made by Adom

by adom

TECHFUSE Resettable Fuses, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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nSMD005-72V

TECHFUSE · Resettable Fuses · 1206

nSMD005-72V from TECHFUSE, in a 1206. 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 One terminal of the non-polarized PPTC fuse (tin-plated nickel-copper pad), rated 72 Vdc max, 0.05 A hold and 0.15 A trip current at 25°C, with 100 A max fault current.
2 2 passive Second terminal of the non-polarized PPTC fuse (tin-plated nickel-copper pad), interchangeable with the other terminal, in series with the protected load.

Key specifications

Parameter Value
Manufacturer TECHFUSE
Package 1206
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
Maximum operating voltage (Vmax) Vmax 72 Vdc Maximum operating voltage at rated current (Imax) 2
Maximum fault current (Imax) Imax 100 A Maximum fault current at rated voltage (Vmax) 2
Trip current (Itrip) Itrip 0.15 A 25°C still air; minimum current at which device always trips 2
Minimum resistance before tripping (Rimin) Rimin 3.6 W 25°C, before tripping 2
Maximum resistance one hour post reflow (R1max) R1max 50 W 25°C; measured one hour post reflow 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 tripped state 2
Hold current (Ihold) Ihold 0.05 A 25°C still air; maximum current device will not trip 2
Power dissipation in tripped state (Pd) Pd 0.4 W Tripped state, 25°C still air, at rated voltage 2
Time to trip 1.5 Sec @25°C; Max. Current column = 0.25 A 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 α = Trademark Z = Part identification Termination Pad Characteristics Terminal pad materials： Tin-plated Nickel-Copper Terminal pad solderability： Meets EIA specification RS186-9E and ANSI/J-STD-002 C 3

CAD (KiCad official)

  • Symbol: nSMD005-72V
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: nsmd005-72v-etched.step / nsmd005-72v-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); nsmd005-72v.step / nsmd005-72v.glb are the bare package body.

Provenance

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

  • Datasheet: TECHFUSE datasheet (4 pp, sha256 f057ffaefc4495b5, retrieved 2026-10-18, 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