component

JER1206FAR120

Public Made by Adom

by adom

jieerrui Current Sense Resistors / Shunt Resistors, 1206. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.

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JER1206FAR120

jieerrui · Current Sense Resistors / Shunt Resistors · 1206

JER1206FAR120 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 Terminal 1 of an unpolarised resistor; either orientation.
2 2 passive Terminal 2 of an unpolarised resistor; either orientation.

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 range (1206, 0.5W) R 110 200 mΩ 1206, 0.5W rated power; code R120 = 120mΩ 2
Resistance tolerance -1 1 % Tolerance code F = 1% 1
Temperature coefficient of resistance TCR -50 50 ppm/°C 1206, 0.5W, 110mΩ~200mΩ 2
Rated power P 0.5 W Part code A = 1/2W; derate above 70°C ambient 1
Operating temperature range -55 170 °C Operating Temperature Range 3
Short time overload resistance change ΔR -1 1 % 5.0x rated power, 5 s (IEC60115-1 4.13) 6
Temperature cycling resistance change ΔR -1 1 % -55/+125°C, 1000 cycles (JESD22 JA-104) 6
High temperature exposure resistance change ΔR -1 1 % 125°C, 1000 h (MIL-STD-202 108) 6
Low temperature storage resistance change ΔR -1 1 % -55°C, 45 min (IEC60115-1 4.23.4) 6
Biased humidity resistance change ΔR -1 1 % 10% operating power, 85°C/85%RH, 1000 h 6
Operational life resistance change ΔR -1 1 % 70±2°C, rated current, 1000 +48/-0 h 7
Vibration resistance change ΔR -1 1 % 5g, 10-2000 Hz, 12 cycles (MIL-STD-202 204) 7
Resistance to solder heat resistance change ΔR -1 1 % 260±5°C, 10±1 s (IEC60115-1 4.18) 7
Terminal bending resistance change ΔR -1 1 % 2 mm deflection, 60 s (AEC-Q200-005) 7
Mechanical shock resistance change ΔR -1 1 % 100g, 6 ms half sine (MIL-STD-202 213) 7
Terminal strength resistance change ΔR -1 1 % 17.7N, 60±1 s (AEC-Q200-006) 7
Thermal shock resistance change ΔR -1 1 % -55/+125°C, 300 cycles (MIL-STD-202 107) 7
ESD resistance change ΔR -1 1 % 2 kV, 2 times, 1 s interval (AEC-Q200-002) 7
Resistance (nominal) R 120 mΩ Part code R120 1

CAD (KiCad official)

  • Symbol: JER1206FAR120
  • Footprint: Resistor_SMD:R_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: jer1206far120-etched.step / jer1206far120-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jer1206far120.step / jer1206far120.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 2026-10-17, 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, 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