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Contents

README

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PFNF.012.2

SCHURTER · Resettable Fuses · 1206

PFNF.012.2 from SCHURTER, 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 Non-polarized terminal of the PTC resettable fuse (Electroless Nickel under Immersion Gold), rated 30 VDC max, 0.12 A hold, 0.29 A trip, 10 A max fault current.
2 2 passive Non-polarized second terminal of the PTC resettable fuse, in series with pin 1, rated 30 VDC max, 0.12 A hold, 0.29 A trip, 10 A max fault current.

Key specifications

Parameter Value
Manufacturer SCHURTER
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
Initial resistance (R initial) R initial 1.35 Ω at 23 °C 4
Resistance after 1 hour (R 1hour) R 1hour 8.5 Ω at 23 °C 4
Max time to trip 0.2 s Max Time to trip [A] = 1 A 4
Maximum voltage V max 30 VDC 4
Maximum fault current I max 10 A 4
Allowable operation temperature -40 85 °C 1
Storage temperature 0 40 °C max. 70% r.h. 1
Passing aging resistance change -5 5 % +85 °C, 1000 hours; typical resistance change 1
Humidity aging resistance change -5 5 % +85 °C, 85% r.h., 1000 hours; typical resistance change 1
Thermal shock resistance change -10 10 % +85 °C to -40 °C, 20 times; typical resistance change 1
Resistance to soldering heat 260 °C 10 sec 1
Hold current (I hold) I hold 0.12 A at 23 °C 4
Trip current (I trip) I trip 0.29 A at 23 °C 4
Tripped power dissipation 0.4 W 4
Thermal derating hold current I hold 0.19 A ambient -40 °C 3
Thermal derating hold current I hold 0.17 A ambient -20 °C 3
Thermal derating hold current I hold 0.15 A ambient 0 °C 3
Thermal derating hold current I hold 0.12 A ambient 23 °C 3
Thermal derating hold current I hold 0.11 A ambient 40 °C 3
Thermal derating hold current I hold 0.1 A ambient 50 °C 3
Thermal derating hold current I hold 0.09 A ambient 60 °C 3
Thermal derating hold current I hold 0.08 A ambient 70 °C 3
Thermal derating hold current I hold 0.07 A ambient 85 °C 3

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 gold Material: Terminals Electroless Nickel under Immerion Gold Weight 0.011 g 1

CAD (KiCad official)

  • Symbol: PFNF.012.2
  • Footprint: Fuse:Fuse_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: pfnf-012-2-etched.step / pfnf-012-2-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); pfnf-012-2.step / pfnf-012-2.glb are the bare package body.

Provenance

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

  • Datasheet: SCHURTER datasheet (4 pp, sha256 bdd40f149f5f8d3d, 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