# CRCW08051K40FKEA

**Vishay Intertech** · Global Sourcing Parts · 0805

CRCW08051K40FKEA from Vishay Intertech, in a 0805. 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 | Vishay Intertech |
| Package | 0805 |
| Category | Global Sourcing Parts |
| 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 (F = ±1 %) |  | -1 |  | 1 | % | Part-number tolerance code F | 3 |
| Temperature coefficient of resistance (K = ±100 ppm/K) | TCR | -100 |  | 100 | ppm/K | Stability class 1; measured at (20 / -55 / 20) °C and (20 / 155 / 20) °C | 2 |
| Max resistance change at P70 after 1000 h | ΔR/R | -1 |  | 1 | % | 1000 h at P70 (stability class 1) | 1 |
| Max resistance change at P70 after 8000 h | ΔR/R | -2 |  | 2 | % | 8000 h at P70 | 1 |
| Endurance at 70 °C, 1000 h, class 1 (relative part) | ΔR/R | -1 |  | 1 | % | 70 °C; 1000 h; U = Umax, 1.5 h on 0.5 h off; plus absolute term ±0.05 as printed | 7 |
| Endurance at 70 °C, 8000 h, class 1 (relative part) | ΔR/R | -2 |  | 2 | % | 70 °C; 8000 h; plus absolute term ±0.1 as printed | 7 |
| Endurance at upper category temperature, class 1 (relative part) | ΔR/R | -1 |  | 1 | % | 155 °C; 1000 h; plus absolute term ±0.05 as printed | 7 |
| Damp heat, steady state, class 1 (relative part) | ΔR/R | -1 |  | 1 | % | (40 ± 2) °C; 56 days; (93 ± 3) % RH; plus absolute term ±0.05 as printed | 7 |
| Damp heat, accelerated, class 1 (relative part) | ΔR/R | -1 |  | 1 | % | (85 ± 2) °C; (85 ± 5) % RH; U = 100 V; 1000 h; plus absolute term ±0.05 as printed | 7 |
| Rapid change of temperature, class 1 (relative part) | ΔR/R | -1 |  | 1 | % | 30 min at -55 °C and 30 min at 125 °C; 1000 cycles; plus absolute term ±0.05 as printed | 7 |
| Single pulse high voltage overload, class 1 (relative part) | ΔR/R | -1 |  | 1 | % | Severity no. 4; 10 pulses 10 μs / 700 μs; plus absolute term ±0.05 as printed | 7 |
| Periodic electric overload, class 1 (relative part) | ΔR/R | -1 |  | 1 | % | 0.1 s on, 2.5 s off; 1000 cycles; plus absolute term ±0.05 as printed | 8 |
| Electrostatic discharge (HBM), class 1 (relative part) | ΔR/R | -1 |  | 1 | % | 3 positive + 3 negative discharges; plus absolute term ±0.05 as printed | 8 |
| Vibration, class 1 (relative part) | ΔR/R | -0.25 |  | 0.25 | % | 10 Hz to 2000 Hz; 7.5 h; plus absolute term ±0.05 as printed | 8 |
| Resistance to soldering heat, class 1 (relative part) | ΔR/R | -0.25 |  | 0.25 | % | (260 ± 5) °C; (10 ± 1) s; plus absolute term ±0.05 as printed | 8 |
| Rated dissipation | P70 |  |  | 0.125 | W | At 70 °C; applies only if permitted film temperature is not exceeded | 1 |
| Operating voltage (AC RMS / DC) | Umax |  |  | 150 | V | AC RMS/DC, size 0805 | 1 |
| Permissible voltage against ambient (insulation) | Uins |  |  | 200 | V | 1 min, size 0805 | 1 |
| Permissible film temperature | ϑF max |  |  | 155 | °C |  | 1 |
| Operating temperature range |  | -55 |  | 155 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `CRCW08051K40FKEA`
- Footprint: `Resistor_SMD:R_0805_2012Metric`
- 3D model: 0805 (KiCad packages3D, STEP)
- 3D model files: `crcw08051k40fkea-etched.step` / `crcw08051k40fkea-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `crcw08051k40fkea.step` / `crcw08051k40fkea.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Vishay Intertech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589842835672498176) (10 pp, sha256 `dc2f0fa9bc95fa21`, retrieved 2026-10-18, tier: lcsc)
- **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/crcw08051k40fkea-datasheet.pdf)