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Contents

README

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JER1206F1R050

jieerrui · Current Sense Resistors / Shunt Resistors · 1206

JER1206F1R050 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 tolerance (code F) -1 1 % Part-number tolerance letter F = 1% 1
Temperature coefficient (TCR), 1206 1W, 2mΩ~100mΩ TCR -50 50 ppm/℃ Applies to 1W 1206 row for 2mΩ~100mΩ (MPN is 50mΩ); IEC60115-1 4.8, measured at +125℃ or +155℃ vs room temperature 2
Resistance R 50 mΩ Nominal value decoded from code R050 (50mΩ) 1
Rated power P 1 1 W 1206 1W rating; derate above 70℃ ambient per power derating curve 2
Resistance range, 1206 1W R 1 100 mΩ Resistance range printed for 1206 1W column 2
Insulation resistance, 1206 100 MΩ Printed as >100MΩ for 1206 column; no test conditions printed 2
Operating temperature range T -55 170 ℃ Operating Temperature Range as printed 3
Short time overload ΔR ΔR -1 1 % 5.0× rated power for 5 s, IEC60115-1 4.13 6
Temperature cycling ΔR ΔR -1 1 % -55℃/+125℃, 1000 cycles, JESD22 JA-104; measured 24±4 h after test 6
High temperature exposure ΔR ΔR -1 1 % 125℃, 1000 h, MIL-STD-202 Method 108; measured 24±4 h after test 6
Low temperature operation ΔR ΔR -1 1 % -55℃, 45 min, IEC60115-1 4.23.4 6
Biased humidity ΔR ΔR -1 1 % 85℃/85%RH, 1000 h, 10% of operating power; measured 24±4 h after test 6
Resistance to solder heat ΔR ΔR -1 1 % 260±5℃ solder bath, 10±1 s, IEC60115-1 4.18 7
Operational life ΔR ΔR -1 1 % 70±2℃, rated current 1.5 h on / 0.5 h off, total 1000 +48/-0 h 7
Vibration ΔR ΔR -1 1 % 5g, 20 min, 12 cycles, 10-2000 Hz, MIL-STD-202 Method 204 7
Mechanical shock ΔR ΔR -1 1 % 100g, half sine, 6 ms, MIL-STD-202 Method 213 7
Terminal bending ΔR ΔR -1 1 % 2 mm deflection, 60 s, AEC-Q200-005 7
Terminal strength ΔR ΔR -1 1 % 17.7 N applied for 60±1 s, AEC-Q200-006 7
Thermal shock ΔR ΔR -1 1 % -55/+125℃, 300 cycles, MIL-STD-202 Method 107 7
ESD ΔR ΔR -1 1 % 2 kV, 2 times at 1 s interval, AEC-Q200-002 7

CAD (KiCad official)

  • Symbol: JER1206F1R050
  • Footprint: Resistor_SMD:R_1206_3216Metric
  • 3D model: 1206 (KiCad packages3D, STEP)
  • 3D model files: jer1206f1r050-etched.step / jer1206f1r050-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); jer1206f1r050.step / jer1206f1r050.glb are the bare package body.

Provenance

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

  • Datasheet: jieerrui datasheet (7 pp, sha256 f0578e1f31540152, 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