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Contents

README

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SMD1210B005TF

Brightking · Resettable Fuses · 1210

SMD1210B005TF from Brightking, 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 1 of an unpolarised fuse; either orientation.
2 2 passive Terminal 2 of an unpolarised fuse; either orientation.

Key specifications

Parameter Value
Manufacturer Brightking
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
Minimum trip current Itrip 0.15 A Minimum current at which the device will trip in 23℃ still air 1
Maximum fault current Imax 10 A Maximum fault current device can withstand without damage at rated voltage (Vmax) 1
Maximum voltage Vmax 30 Vdc Maximum voltage device can withstand without damage at rated current (Imax) 1
Minimum resistance (initial, un-soldered) Rmin 3.6 Ω Minimum resistance of device in initial (un-soldered) state 1
Maximum resistance after trip or reflow R1max 50 Ω Maximum resistance at 23℃ measured one hour after tripping or reflow soldering of 260℃ for 20 sec 1
Maximum hold current Ihold 0.05 A Maximum current device will pass without tripping in 23℃ still air 1
Typical power dissipated in tripped state Pd 0.6 W Typical power dissipated from device when in the tripped state at 23℃ still air 1
Passive aging resistance change -50 50 % +85℃, 1000 hours; typical resistance change 7
Humidity aging resistance change -50 50 % +85℃, 85% R.H., 1000 hours; typical resistance change 7
Thermal shock resistance change -50 % MIL-STD-202 Method 107G, +85℃ / -40℃, 20 times; typical resistance change 7
Operating / storage temperature -40 85 ℃ Operating / storage temperature 7
Maximum device surface temperature in tripped state 125 ℃ Maximum device surface temperature in tripped state 7
Reflow peak temperature TP 260 ℃ Pb-free reflow profile, peak temperature (TP) 6
Recommended hold current at ambient -40℃ 0.08 A Recommended hold current at ambient temperature -40℃ 4
Recommended hold current at ambient -20℃ 0.07 A Recommended hold current at ambient temperature -20℃ 4
Recommended hold current at ambient 0℃ 0.06 A Recommended hold current at ambient temperature 0℃ 4
Recommended hold current at ambient 23℃ 0.05 A Recommended hold current at ambient temperature 23℃ 4
Recommended hold current at ambient 40℃ 0.04 A Recommended hold current at ambient temperature 40℃ 4
Recommended hold current at ambient 50℃ 0.04 A Recommended hold current at ambient temperature 50℃ 4
Recommended hold current at ambient 60℃ 0.03 A Recommended hold current at ambient temperature 60℃ 4
Recommended hold current at ambient 70℃ 0.03 A Recommended hold current at ambient temperature 70℃ 4
Recommended hold current at ambient 85℃ 0.02 A Recommended hold current at ambient temperature 85℃ 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 Terminal Material Solder-Plated Copper (Solder Material: Matte Tin (Sn)) 8

CAD (KiCad official)

  • Symbol: SMD1210B005TF
  • Footprint: Fuse:Fuse_1210_3225Metric
  • 3D model: 1210 (KiCad packages3D, STEP)
  • 3D model files: smd1210b005tf-etched.step / smd1210b005tf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smd1210b005tf.step / smd1210b005tf.glb are the bare package body.

Provenance

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

  • Datasheet: Brightking datasheet (9 pp, sha256 02d03e61b9be4912, retrieved 2026-10-20, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins, primary two-terminal convention (convention), consensus off (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