component

SMD1210-050-30V

Public Made by Adom

by adom

TECHFUSE Resettable Fuses, 1210. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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SMD1210-050-30V

TECHFUSE · Resettable Fuses · 1210

SMD1210-050-30V from TECHFUSE, in a 1210. 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 of the two interchangeable tin-plated nickel-copper terminations of the resettable PPTC fuse (Ihold 0.50 A, Itrip 1.00 A, Vmax 30 Vdc, Imax 100 A).
2 2 passive The other interchangeable tin-plated nickel-copper termination of the resettable PPTC fuse, with no polarity (Ihold 0.50 A, Itrip 1.00 A, Vmax 30 Vdc, Imax 100 A).

Key specifications

Parameter Value
Manufacturer TECHFUSE
Package 1210
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 30 V @25°C 2
Maximum fault current (Imax) Imax 100 A @25°C 2
Trip current (Itrip) Itrip 1 A 25°C still air 2
Minimum device resistance prior to tripping (Rimin) Rimin 0.18 Ω prior to tripping at 25°C 2
Maximum device resistance one hour post reflow (R1max) R1max 0.9 Ω measured one hour post reflow 2
Maximum time to trip 0.1 s at 8.0 A 2
Ambient operating temperature -40 85 °C ambient operating conditions 2
Maximum surface temperature in tripped state 125 °C device in tripped state 2
Passive aging resistance change -5 5 % +85°C, 1000 hrs; printed as ±5% typical 2
Humidity aging resistance change -5 5 % +85°C, 85% R.H., 168 hours; printed as ±5% typical 2
Thermal shock resistance change -33 33 % +85°C to -40°C, 20 times; printed as ±33% typical 2
Storage temperature maximum 40 °C storage conditions 4
Storage relative humidity maximum 70 %R.H. storage conditions 4
Power dissipation in tripped state (Pd) Pd 0.6 W 25°C still air, tripped state at rated voltage 2
Hold current (Ihold) Ihold 0.5 A 25°C still air 2
Hold current vs temperature Ihold 0.76 A ambient -40°C 2
Hold current vs temperature Ihold 0.67 A ambient -20°C 2
Hold current vs temperature Ihold 0.58 A ambient 0°C 2
Hold current vs temperature Ihold 0.5 A ambient 25°C 2
Hold current vs temperature Ihold 0.43 A ambient 40°C 2
Hold current vs temperature Ihold 0.4 A ambient 50°C 2
Hold current vs temperature Ihold 0.36 A ambient 60°C 2
Hold current vs temperature Ihold 0.32 A ambient 70°C 2
Hold current vs temperature Ihold 0.28 A ambient 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 Terminal pad materials： Tin-plated Nickel-Copper 3

CAD (KiCad official)

  • Symbol: SMD1210-050-30V
  • Footprint: Fuse:Fuse_1210_3225Metric
  • 3D model: 1210 (KiCad packages3D, STEP)
  • 3D model files: smd1210-050-30v-etched.step / smd1210-050-30v-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smd1210-050-30v.step / smd1210-050-30v.glb are the bare package body.

Provenance

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

  • Datasheet: TECHFUSE datasheet (4 pp, sha256 24fa3104ca638a58, 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