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SMD1210-050-16V

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

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SMD1210-050-16V

TECHFUSE · Resettable Fuses · 1210

SMD1210-050-16V 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 Terminal pad of the non-polarized PPTC (hold current 0.50 A, trip 1.00 A, Vmax 16 Vdc, Imax 100 A); interchangeable with pin 2.
2 2 passive Terminal pad of the non-polarized PPTC (hold current 0.50 A, trip 1.00 A, Vmax 16 Vdc, Imax 100 A); interchangeable with pin 1.

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
Rated voltage (Vmax) Vmax 16 Vdc Maximum operating voltage device can withstand without damage at rated current (Imax) 2
Maximum fault current (Imax) Imax 100 A @25°C; maximum fault current device can withstand at rated voltage (Vmax) 2
Minimum device resistance prior to tripping (Rimin) Rimin 0.18 Ω @25°C 2
Maximum device resistance one hour post reflow (R1max) R1max 0.9 Ω Measured one hour post reflow 2
Hold current (Ihold) Ihold 0.5 A @25°C still air; maximum current device will not trip 2
Trip current (Itrip) Itrip 1 A @25°C still air; minimum current at which device will always trip 2
Power dissipation in tripped state (Pd) Pd 0.6 W Tripped state, 25°C still air, at rated voltage 2
Time to trip 0.1 Sec Max. current 8.0 A, 25°C (column mapping inferred; see review_required) 2
Hold current vs maximum ambient temperature at -40°C Ihold 0.76 A Maximum ambient operating temperature Tmao = -40°C 2
Hold current vs maximum ambient temperature at -20°C Ihold 0.67 A Maximum ambient operating temperature Tmao = -20°C 2
Hold current vs maximum ambient temperature at 0°C Ihold 0.58 A Maximum ambient operating temperature Tmao = 0°C 2
Hold current vs maximum ambient temperature at 25°C Ihold 0.5 A Maximum ambient operating temperature Tmao = 25°C 2
Hold current vs maximum ambient temperature at 40°C Ihold 0.43 A Maximum ambient operating temperature Tmao = 40°C 2
Hold current vs maximum ambient temperature at 50°C Ihold 0.4 A Maximum ambient operating temperature Tmao = 50°C 2
Hold current vs maximum ambient temperature at 60°C Ihold 0.36 A Maximum ambient operating temperature Tmao = 60°C 2
Hold current vs maximum ambient temperature at 70°C Ihold 0.32 A Maximum ambient operating temperature Tmao = 70°C 2
Hold current vs maximum ambient temperature at 85°C Ihold 0.28 A Maximum ambient operating temperature Tmao = 85°C 2
Resistance change, passive aging -5 5 % +85°C, 1000 hrs; ±5% typical 2
Resistance change, humidity aging -5 5 % +85°C, 85% R.H., 168 hours; ±5% typical 2
Resistance change, thermal shock -33 33 % +85°C to -40°C, 20 times; ±33% 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
Storage temperature 40 °C Storage conditions; 70% R.H. max 4

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 F = 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 Category 3. Rew 3

CAD (KiCad official)

  • Symbol: SMD1210-050-16V
  • Footprint: Fuse:Fuse_1210_3225Metric
  • 3D model: 1210 (KiCad packages3D, STEP)
  • 3D model files: smd1210-050-16v-etched.step / smd1210-050-16v-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smd1210-050-16v.step / smd1210-050-16v.glb are the bare package body.

Provenance

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

  • Datasheet: TECHFUSE datasheet (4 pp, sha256 262a930cfe6527d4, 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