component
JER1206FAR120
Public Made by Adomby 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.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownJER1206FAR120
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);jer1206far120.step/jer1206far120.glbare 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, primarytwo-terminal convention(convention), consensusoff(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).