# SMM02040C1653FB300

**Vishay Intertech** · Chip Resistor - Surface Mount · MELF-0204

SMM02040C1653FB300 from Vishay Intertech, in a MELF-0204. 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 | MELF-0204 |
| 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 (MPN letter F = ±1 %) |  | -1 |  | 1 | % |  | 3 |
| Temperature coefficient (MPN letter C = ±50 ppm/K) |  | -50 |  | 50 | ppm/K | At (20 / -55 / 20) °C and (20 / 125 / 20) °C | 9 |
| Operating voltage, Umax | Umax |  |  | 200 | V | AC RMS/DC | 1 |
| Rated dissipation P70 | P70 |  |  | 0.4 | W | P70 (1) | 1 |
| Rated dissipation P70 (precision operation mode) | P70 |  |  | 0.07 | W | Precision operation mode, 70 °C | 2 |
| Rated dissipation P70 (standard operation mode) | P70 |  |  | 0.25 | W | Standard operation mode, 70 °C | 2 |
| Operating temperature range |  | -55 |  | 155 | °C | Operating temperature range (1) | 1 |
| Operating temperature range (precision operation mode) |  | -10 |  | 85 | °C | Precision operation mode | 2 |
| Operating temperature range (standard operation mode) |  | -55 |  | 125 | °C | Standard operation mode | 2 |
| Permissible film temperature, ϑF max. | ϑF max. |  |  | 155 | °C | (1) | 1 |
| Permissible film temperature, ϑF max. (precision operation mode) | ϑF max. |  |  | 85 | °C | Precision operation mode | 2 |
| Permissible film temperature, ϑF max. (standard operation mode) | ϑF max. |  |  | 125 | °C | Standard operation mode | 2 |
| Permissible voltage against ambient (insulation) | Uins |  |  | 300 | V | 1 min | 1 |
| Max. resistance change /ΔR/R/ after 1000 h (precision mode) | /ΔR/R/ |  |  | 0.05 | % | P70, precision operation mode, R 10 Ω to 1 MΩ | 2 |
| Max. resistance change /ΔR/R/ after 8000 h (precision mode) | /ΔR/R/ |  |  | 0.1 | % | P70, precision operation mode, R 10 Ω to 1 MΩ | 2 |
| Max. resistance change /ΔR/R/ after 225 000 h (precision mode) | /ΔR/R/ |  |  | 0.25 | % | P70, precision operation mode, R 10 Ω to 1 MΩ | 2 |
| Max. resistance change /ΔR/R/ after 1000 h (standard mode) | /ΔR/R/ |  |  | 0.15 | % | P70, standard operation mode, R 0.22 Ω to 10 MΩ | 2 |
| Max. resistance change /ΔR/R/ after 8000 h (standard mode) | /ΔR/R/ |  |  | 0.3 | % | P70, standard operation mode, R 0.22 Ω to 10 MΩ | 2 |
| Max. resistance change /ΔR/R/ after 225 000 h (standard mode) | /ΔR/R/ |  |  | 0.75 | % | P70, standard operation mode, R 0.22 Ω to 10 MΩ | 2 |
| Max. resistance change /ΔR/R/ after 1000 h (power mode) | /ΔR/R/ |  |  | 0.25 | % | P70, power operation mode, R 0.22 Ω to 10 MΩ | 2 |
| Max. resistance change /ΔR/R/ after 8000 h (power mode) | /ΔR/R/ |  |  | 0.5 | % | P70, power operation mode, R 0.22 Ω to 10 MΩ | 2 |

## CAD (KiCad official)

- Symbol: `SMM02040C1653FB300`
- Footprint: `Resistor_SMD:R_MiniMELF_MMA-0204`
- 3D model: MELF-0204 (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [Vishay Intertech datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603042937366867968) (13 pp, sha256 `e770b1d60ba61a98`, retrieved 2026-10-15, 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/smm02040c1653fb300-datasheet.pdf)