component
MSR12A1R009F2
Public Made by Adomby adom
prosemi Current Sense Resistors / Shunt Resistors, 1206. Pinout cross-checked by two models against the datasheet, 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
markdownMSR12A1R009F2
prosemi · Current Sense Resistors / Shunt Resistors · 1206
MSR12A1R009F2 from prosemi, 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 end terminal of the 2-terminal (type A) 1206 metal alloy short terminal resistor, rated 1.0W at 70℃ with operating range -55℃ to +150℃. |
| 2 | 2 | passive | Second end terminal of the 2-terminal (type A) 1206 metal alloy short terminal resistor, rated current (P/R)^1/2 with ±1% tolerance for the F code. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | prosemi |
| 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 | 1 | % | 1 | |||
| Temperature coefficient of resistance (TCR) | TCR | -50 | 50 | ppm/℃ | Resistance range 5~20 mΩ | 1 | |
| Rated power | P | 1 | W | At 70℃ ambient; derate above 70℃ per curve | 1 | ||
| Operation temperature range | -55 | 150 | ℃ | 1 | |||
| Resistance change, resistance to soldering heat | △R | 0.5 | % | 260℃±5℃, 12 s ±0.5 s (MIL-STD-202 Method 210) | 5 | ||
| Resistance change, short time overload | △R | 1 | % | 1206, 1.5≤R≤10 mΩ: 4 times rated power, 5 s | 5 | ||
| Resistance change, temperature cycling | △R | 1 | % | -55℃ (15 min)/+150℃ (15 min), 300 cycles (MIL-STD-202 Method 107G) | 5 | ||
| Resistance change, low temperature storage | △R | 1 | % | -55℃, 1000 hours, no power (IEC60115-1 4.23.4) | 5 | ||
| Resistance change, high temperature storage | △R | 1 | % | 150℃, 1000 hours, no power (IEC60115-1 4.25) | 5 | ||
| Resistance change, bias humidity | △R | 1 | % | +85℃, 85% RH, 10% bias, 1000 hours; 1.5~10 mΩ (MIL-STD-202 Method 103) | 5 | ||
| Resistance change, vibration | △R | 0.5 | % | 5g, 20 min, 12 cycles each of 3 orientations, 10 Hz-2000 Hz (MIL-STD-202 Method 204) | 5 | ||
| Resistance change, operational life | △R | 1 | % | 1206, 1.5~9 mΩ: 70℃±2℃, 1000 hours, rated power 1.5 h ON / 0.5 h OFF (MIL-STD-202 Method 108) | 5 | ||
| Resistance change, moisture resistance | △R | 0.5 | % | MIL-STD-202 Method 106, no power, 7b not required | 5 |
CAD (KiCad official)
- Symbol:
MSR12A1R009F2 - Footprint:
Resistor_SMD:R_1206_3216Metric - 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files:
msr12a1r009f2-etched.step/msr12a1r009f2-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);msr12a1r009f2.step/msr12a1r009f2.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: prosemi datasheet (7 pp, sha256
216066e52aa868f6, retrieved 2026-11-07, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-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).