# JER1206F1R075

**jieerrui** · Current Sense Resistors / Shunt Resistors · 1206

JER1206F1R075 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 |
|---|---|---|---|---|---|---|---|
| Nominal resistance | R |  | 75 |  | mΩ | Part code R075 = 75mΩ per marking table | 2 |
| Resistance tolerance |  | -1 |  | 1 | % | Part-number tolerance code F = ±1% | 1 |
| Temperature coefficient of resistance | TCR | -50 |  | 50 | ppm/℃ | 1206, 1W, 2mΩ~100mΩ range | 2 |
| Rated power | P |  |  | 1 | W | 1206 1W column; part code 1 = 1W; derate above 70℃ ambient | 2 |
| Insulation resistance |  | 100 |  |  | MΩ | 1206, >100MΩ | 2 |
| Operating temperature range |  | -55 |  | 170 | ℃ | Operating temperature range | 3 |
| Resistance change, short time overload | ΔR | -1 |  | 1 | % | 5.0x rated power for 5 s, IEC60115-1 4.13 | 6 |
| Resistance change, temperature cycling | ΔR | -1 |  | 1 | % | -55℃/+125℃, 1000 cycles, JESD22 JA-104 | 6 |
| Resistance change, high temperature exposure | ΔR | -1 |  | 1 | % | 125℃, 1000 h, MIL-STD-202 108 | 6 |
| Resistance change, low temperature storage | ΔR | -1 |  | 1 | % | -55℃, 45 min, IEC60115-1 4.23.4 | 6 |
| Resistance change, biased humidity | ΔR | -1 |  | 1 | % | 10% of rated power, 85℃/85%RH, 1000 h | 6 |
| Resistance change, resistance to solder heat | ΔR | -1 |  | 1 | % | Solder bath 260±5℃, 10±1 s | 6 |
| Resistance change, operational life | ΔR | -1 |  | 1 | % | 70±2℃, rated current 1.5 h on / 0.5 h off, 1000 h | 7 |
| Resistance change, vibration | ΔR | -1 |  | 1 | % | 5g, 10-2000 Hz, 12 cycles | 7 |
| Resistance change, terminal bending | ΔR | -1 |  | 1 | % | 2 mm deflection, 60 s | 7 |
| Resistance change, mechanical shock | ΔR | -1 |  | 1 | % | 100g, half sine 6 ms | 7 |
| Resistance change, terminal strength | ΔR | -1 |  | 1 | % | 17.7 N, 60 s | 7 |
| Resistance change, thermal shock | ΔR | -1 |  | 1 | % | -55/+125℃, 300 cycles | 7 |
| Resistance change, ESD | ΔR | -1 |  | 1 | % | 2 kV, 2 times | 7 |

## CAD (KiCad official)

- Symbol: `JER1206F1R075`
- Footprint: `Resistor_SMD:R_1206_3216Metric`
- 3D model: 1206 (KiCad packages3D, STEP)
- 3D model files: `jer1206f1r075-etched.step` / `jer1206f1r075-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `jer1206f1r075.step` / `jer1206f1r075.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [jieerrui datasheet](docs/jer1206f1r075-datasheet.pdf) (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](docs/jer1206f1r075-datasheet.pdf)