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JER1206F1R004

Public Made by Adom

by adom

jieerrui Current Sense Resistors / Shunt Resistors, 1206. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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JER1206F1R004

jieerrui · Current Sense Resistors / Shunt Resistors · 1206

JER1206F1R004 from jieerrui, 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 First terminal electrode of the 4 mΩ (R004) 1% current-sense resistor, electrode width 0.50±0.20 mm, rated 1 W at up to 70 °C ambient and derated linearly above that to +170 °C.
2 2 passive Second terminal electrode of the 4 mΩ (R004) 1% current-sense resistor, electrode width 0.50±0.20 mm, interchangeable with the first terminal, with TCR ±50 ppm/°C for 2 mΩ to 100 mΩ.

Key specifications

Parameter Value
Manufacturer jieerrui
Package 1206
Category Resistors
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
Resistance tolerance (F = 1%) -1 1 % 1
Nominal resistance (decoded from R004 = 4 mΩ) R 4 mΩ 1
Maximum rated power (1206, 1W) P 1 W 1206 type; derate above 70℃ ambient per curve 2
Temperature coefficient of resistance (TCR) TCR -50 50 ppm/℃ 1206, 1W, 2mΩ~100mΩ range 2
Resistance range R 1 100 mΩ 1206, 1W 2
Insulation resistance 100 MΩ 1206 type 2
Operating temperature range -55 170 ℃ 3
Short time overload ΔR ΔR -1 1 % 5.0× rated power for 5 s 6
Temperature cycling ΔR ΔR -1 1 % -55℃/+125℃, 1000 cycles 6
High temperature exposure ΔR ΔR -1 1 % 125℃, 1000 h 6
Low temperature operation ΔR ΔR -1 1 % -55℃, 45 min 6
Biased humidity ΔR ΔR -1 1 % 10% rated power, 85℃/85%RH, 1000 h 6
Operational life ΔR ΔR -1 1 % 70±2℃, rated current 1.5 h on / 0.5 h off, 1000 h 7
Vibration ΔR ΔR -1 1 % 5g, 10-2000 Hz, 12 cycles, 20 min 7
Resistance to solder heat ΔR ΔR -1 1 % 260±5℃, 10±1 s 6
Terminal bending ΔR ΔR -1 1 % 2 mm deflection, 60 s 7
Mechanical shock ΔR ΔR -1 1 % 100g, half sine, 6 ms 7
Terminal strength ΔR ΔR -1 1 % 17.7 N, 60±1 s 7
Thermal shock ΔR ΔR -1 1 % -55/+125℃, 300 cycles 7
ESD ΔR ΔR -1 1 % 2 kV, 2 times 7

CAD (KiCad official)

  • Symbol: JER1206F1R004
  • Footprint: Resistor_SMD:R_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: jer1206f1r004-etched.step / jer1206f1r004-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jer1206f1r004.step / jer1206f1r004.glb are the bare package body.

Provenance

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

  • Datasheet: jieerrui datasheet (7 pp, sha256 6c0d359d39546b43, retrieved 2026-10-19, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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