# CRCW0603294RFKEA

**Vishay Intertech** · Global Sourcing Parts · 0603

CRCW0603294RFKEA from Vishay Intertech, in a 0603. 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 | 0603 |
| 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 (MPN code F) |  | -1 |  | 1 | % | MPN tolerance code F = ±1 % | 3 |
| Temperature coefficient of resistance (MPN code K) | TCR | -100 |  | 100 | ppm/K | MPN code K = ±100 ppm/K; test At (20 / -55 / 20) °C and (20 / 155 / 20) °C, stability class 1 | 7 |
| Rated dissipation P70 | P70 |  |  | 0.1 | W | CRCW0603 rated at 70 °C ambient; applies only if permitted film temperature not exceeded | 1 |
| Operating voltage Umax (AC RMS/DC) | Umax |  |  | 75 | V | AC RMS/DC, D11/CRCW0603 | 1 |
| Permissible voltage against ambient (insulation) | Uins |  |  | 100 | V | 1 min | 1 |
| Operating temperature range |  | -55 |  | 155 | °C |  | 1 |
| Permissible film temperature | F max. |  |  | 155 | °C |  | 1 |
| Max. resistance change /ΔR/R/ after 1000 h | /ΔR/R/ |  |  | 1 | % | at P70, 1000 h (footnote 2: stability class 1) | 1 |
| Max. resistance change /ΔR/R/ after 8000 h | /ΔR/R/ |  |  | 2 | % | at P70, 8000 h | 1 |
| Endurance at 70 °C, 1000 h |  |  |  | 1 | % | 70 °C; 1000 h; U = Umax, 1.5 h on / 0.5 h off; limit ±(1 % R + 0.05 Ω) stability class 1 | 7 |
| Endurance at 70 °C, 8000 h |  |  |  | 2 | % | 70 °C; 8000 h; limit ±(2 % R + 0.1 Ω) | 7 |
| Endurance at upper category temperature |  |  |  | 1 | % | 155 °C; 1000 h; limit ±(1 % R + 0.05 Ω) | 7 |
| Damp heat, steady state |  |  |  | 1 | % | (40 ± 2) °C; 56 days; (93 ± 3) % RH; limit ±(1 % R + 0.05 Ω) | 7 |
| Damp heat, steady state, accelerated |  |  |  | 1 | % | (85 ± 2) °C; (85 ± 5) % RH; U = 100 V; 1000 h; limit ±(1 % R + 0.05 Ω) | 7 |
| Rapid change of temperature |  |  |  | 1 | % | 30 min at -55 °C and 30 min at 125 °C; 1000 cycles; limit ±(1 % R + 0.05 Ω) | 7 |
| Short time overload |  |  |  | 2 | % | U = 2.5 x Umax or 2 x Umax, whichever is less severe; 5 s; limit ±(2 % R + 0.05 Ω) | 7 |
| Single pulse high voltage overload |  |  |  | 1 | % | Severity no. 4; 10 pulses 10 μs / 700 μs; limit ±(1 % R + 0.05 Ω) | 7 |
| Periodic electric overload |  |  |  | 1 | % | U = Umax or 2 x Umax, whichever is less severe; 0.1 s on, 2.5 s off; 1000 cycles; limit ±(1 % R + 0.05 Ω) | 8 |
| Electrostatic discharge (human body model) |  |  |  | 1 | % | IEC 61340-3-1; 3 positive + 3 negative discharges; limit ±(1 % R + 0.05 Ω) | 8 |
| Vibration |  |  |  | 0.25 | % | 10 Hz to 2000 Hz; 7.5 h; limit ±(0.25 % R + 0.05 Ω), stability class 1 | 8 |
| Resistance to soldering heat |  |  |  | 0.25 | % | Soldering bath (260 ± 5) °C; (10 ± 1) s; limit ±(0.25 % R + 0.05 Ω), stability class 1 | 8 |

## CAD (KiCad official)

- Symbol: `CRCW0603294RFKEA`
- Footprint: `Resistor_SMD:R_0603_1608Metric`
- 3D model: 0603 (KiCad packages3D, STEP)
- 3D model files: `crcw0603294rfkea-etched.step` / `crcw0603294rfkea-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `crcw0603294rfkea.step` / `crcw0603294rfkea.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/8589819688177078272) (10 pp, sha256 `dc2f0fa9bc95fa21`, retrieved 2026-10-20, 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/crcw0603294rfkea-datasheet.pdf)