# TMCMA0J476MTRF

**Vishay Intertech** · Tantalum Capacitors · A (EIA 3216-18)

TMCMA0J476MTRF from Vishay Intertech, in a A (EIA 3216-18). 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 | + | passive | Positive terminal; pad 1 of the KiCad polarised-capacitor footprint (CP_, pad 1 = +). |
| 2 | - | passive | Negative terminal. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Vishay Intertech |
| Package | A (EIA 3216-18) |
| Category | Capacitors |
| 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 |
|---|---|---|---|---|---|---|---|
| Capacitance tolerance (M suffix = ±20 %) |  | -20 |  | 20 | % | Part number tolerance letter M = ±20 % | 1 |
| Max. DC leakage current | DCL |  |  | 5.9 | μA | at +25 °C | 4 |
| Max. dissipation factor | DF |  |  | 12 | % | at +25 °C, 120 Hz | 4 |
| Max. ESR | ESR |  |  | 1.8 | Ω | at +25 °C, 100 kHz | 4 |
| Max. ripple current | IRMS |  |  | 0.208 | A | 100 kHz IRMS | 4 |
| Maximum permissible power dissipation (case A) | P |  |  | 0.078 | W | at +25 °C in free air | 8 |
| DC voltage rating |  |  |  | 6.3 | V | at +85 °C (7 VDC printed in parentheses) | 4 |
| DC voltage rating at +125 °C |  |  |  | 4 | V | at +125 °C | 4 |
| Operating temperature range |  | -55 |  | 125 | °C | Voltage derating required above 85 °C | 1 |
| Operating voltage (derated) |  |  |  | 3.1 | V | For 6.3 (7.0) V rating, temperature below +85 °C; 3.5 V for 7.0 V rating | 7 |
| Capacitance change vs temperature | ΔC/C | -10 |  | 0 | % | Temperature characteristics at -55 °C | 8 |
| Capacitance change vs temperature | ΔC/C | 0 |  | 10 | % | Temperature characteristics at +85 °C | 8 |
| Capacitance change vs temperature | ΔC/C | 0 |  | 12 | % | Temperature characteristics at +125 °C | 8 |
| Capacitance change after solder heat resistance | ΔC/C | -5 |  | 5 | % | Solder dip 260 °C, A/B case 10 s; reflow 260 °C 10 s | 8 |
| Capacitance change after moisture resistance (no load) | ΔC/C | -10 |  | 10 | % | 40 °C, 90 % to 95 % RH, 500 h, no load | 8 |
| Capacitance change after high temperature load | ΔC/C | -10 |  | 10 | % | 85 °C, rated voltage, 2000 h | 8 |
| Leakage current after high temperature load |  |  |  | 125 | % | 85 °C, rated voltage, 2000 h; % of initial specified value | 8 |
| Capacitance change after thermal shock | ΔC/C | -10 |  | 10 | % | -55 °C / 125 °C cycling, 5 cycles | 8 |
| Capacitance change after moisture resistance load | ΔC/C | -10 |  | 10 | % | 40 °C, 90 % to 95 % RH, rated voltage, 500 h | 8 |
| Dissipation factor after moisture resistance load | DF |  |  | 150 | % | 40 °C, 90 % to 95 % RH, rated voltage, 500 h; % of initial specified value | 8 |
| Leakage current after moisture resistance load |  |  |  | 200 | % | 40 °C, 90 % to 95 % RH, rated voltage, 500 h; % of initial specified value | 8 |
| Failure rate |  |  |  | 1 | %/1000 h | 85 °C, rated voltage through protective resistor of 1 Ω/V | 8 |

## CAD (KiCad official)

- Symbol: `TMCMA0J476MTRF`
- Footprint: `Capacitor_Tantalum_SMD:CP_EIA-3216-18_Kemet-A`
- 3D model: A (EIA 3216-18) (KiCad packages3D, STEP)
- 3D model files: `tmcma0j476mtrf-etched.step` / `tmcma0j476mtrf-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tmcma0j476mtrf.step` / `tmcma0j476mtrf.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/8590160706885881856) (15 pp, sha256 `b347122323af3765`, retrieved 2026-11-10, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `polarised-capacitor 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/tmcma0j476mtrf-datasheet.pdf)