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SMD1210P020TF

Public Made by Adom

by adom

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

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SMD1210P020TF

RUILON Shenzhen Ruilongyuan Elec · Resettable Fuses · 1210

SMD1210P020TF from RUILON Shenzhen Ruilongyuan Elec, 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 Non-polarized PTC terminal on one end of the 1210 body, in series with the protected line; the device is rated Ihold 0.20 A, Itrip 0.40 A, Vmax 30 VDC and Imax 8.00 A.
2 2 passive Non-polarized PTC terminal on the opposite end of the 1210 body, in series with the protected line; the device is rated Ihold 0.20 A, Itrip 0.40 A, Vmax 30 VDC and Imax 8.00 A.

Key specifications

Parameter Value
Manufacturer RUILON Shenzhen Ruilongyuan Elec
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
Hold current Ihold 0.2 A 25°C still air; device will not trip 2
Trip current Itrip 0.4 A 25°C still air; device always trips 2
Maximum operating voltage Vmax 30 VDC Rated current (Imax) 2
Maximum time to trip Tmax 0.02 S Test current 8.00 A 2
Maximum fault current Imax 30 A At rated voltage (Vmax) 2
Power dissipation in tripped state Pd 0.6 W Tripped state, 25°C still air, at rated voltage 2
Minimum device resistance prior to tripping Rimin 0.4 Ω 25°C, prior to tripping 2
Maximum device resistance after reflow R1max 5 Ω Measured one hour post reflow 2
Resistance change, passive aging -5 5 % +85℃, 1000 hrs; typical 1
Resistance change, humidity aging -5 5 % +85℃, 85%R.H., 168 hours; typical 1
Resistance change, thermal shock -33 33 % +85℃ to -40℃, 20 times; typical 1
Ambient operating temperature -40 85 °C Ambient operating conditions 1
Maximum surface temperature in tripped state 125 °C Device in tripped state 1
Thermal derating hold current Ih Ih 0.29 A Ambient operation temperature -40 ºC 3
Thermal derating hold current Ih Ih 0.26 A Ambient operation temperature -20 ºC 3
Thermal derating hold current Ih Ih 0.22 A Ambient operation temperature 0 ºC 3
Thermal derating hold current Ih Ih 0.2 A Ambient operation temperature 25 ºC 3
Thermal derating hold current Ih Ih 0.16 A Ambient operation temperature 40 ºC 3
Thermal derating hold current Ih Ih 0.14 A Ambient operation temperature 50 ºC 3
Thermal derating hold current Ih Ih 0.13 A Ambient operation temperature 60 ºC 3
Thermal derating hold current Ih Ih 0.11 A Ambient operation temperature 70 ºC 3
Thermal derating hold current Ih Ih 0.08 A Ambient operation temperature 85 ºC 3
Preheat temperature Ts(min) Ts(min) 150 °C Pb-free reflow preheat 4
Preheat temperature Ts(max) Ts(max) 200 °C Pb-free reflow preheat 4
Preheat time ts ts 60 180 s Ts(min) to Ts(max), Pb-free reflow 4
Ramp-up rate 3 °C/s Average, TS(max) to TL, Pb-free reflow 4
Liquidus temperature TL TL 217 °C Pb-free reflow 4
Time above liquidus tL 60 150 s Pb-free reflow 4
Peak temperature TP TP 260 °C Pb-free reflow; TP 260 +0/-5 °C; do not exceed 260 °C 4
Time within 5°C of peak temperature tp 20 40 s Pb-free reflow 4
Ramp-down rate 6 °C/s Pb-free reflow 4
Time from 25°C to peak temperature 8 min Pb-free reflow 4

CAD (KiCad official)

  • Symbol: SMD1210P020TF
  • Footprint: Fuse:Fuse_1210_3225Metric
  • 3D model: 1210 (KiCad packages3D, STEP)
  • 3D model files: smd1210p020tf-etched.step / smd1210p020tf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); smd1210p020tf.step / smd1210p020tf.glb are the bare package body.

Provenance

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

  • Datasheet: RUILON Shenzhen Ruilongyuan Elec datasheet (7 pp, sha256 1b912bbc16f34b5c, 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