# GRM188R71C105KA12D

**Murata Electronics** · Capacitors · 0603 (1608 Metric)

GRM188R71C105KA12D from Murata Electronics, in a 0603 (1608 Metric). 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 capacitor; either orientation. |
| 2 | 2 | passive | Terminal 2 of an unpolarised capacitor; either orientation. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Murata Electronics |
| Package | 0603 (1608 Metric) |
| 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 change over temperature (X7R, R7) |  | -15 |  | 15 | % | No bias, -55°C to +125°C at each temp. stage | 2 |
| Capacitance tolerance | C | -10 |  | 10 | % | K code (±10%) | 1 |
| Rated voltage |  |  |  | 16 | V | DC rated voltage, maximum continuously applicable | 1 |
| Dissipation factor (D.F.) |  |  |  | 0.1 |  | Measured at 1.0±0.1kHz, 1.0±0.2Vrms (C≤10µF, 10V min.) | 2 |
| Insulation resistance (I.R.) |  | 50 |  |  | Ω·F | DC rated voltage, charging 1 min, room temperature | 2 |
| Capacitance change, high temperature high humidity |  | -12.5 |  | 12.5 | % | 40°C, 90-95%RH, 500 h, DC rated voltage | 3 |
| Dissipation factor after high temperature high humidity |  |  |  | 0.2 |  | 40°C, 90-95%RH, 500 h, DC rated voltage | 3 |
| Insulation resistance after high temperature high humidity |  | 12.5 |  |  | Ω·F | 40°C, 90-95%RH, 500 h, DC rated voltage | 3 |
| Capacitance change, temperature sudden change |  | -7.5 |  | 7.5 | % | Five cycles of four heat treatments (min/max operating temp.) | 3 |
| Capacitance change, resistance to soldering heat |  | -7.5 |  | 7.5 | % | Reflow soldering, 270±5°C, 10±0.5 s | 3 |
| Capacitance change, substrate bending test |  | -10 |  | 10 | % | Flexure 1 mm, reflow soldering | 3 |
| Capacitance change, durability |  | -12.5 |  | 12.5 | % | Max. operating temp. +3/-0°C, 1000 h, 150% of rated voltage | 4 |
| Dissipation factor after durability test |  |  |  | 0.2 |  | Max. operating temp., 1000 h, 150% of rated voltage | 4 |
| Insulation resistance after durability test |  | 25 |  |  | Ω·F | Max. operating temp., 1000 h, 150% of rated voltage | 4 |
| Operating temperature range |  | -55 |  | 125 | °C | Temp. range (ref. temp. 25°C) | 1 |
| Nominal capacitance | C |  | 1 |  | uF | Nominal value per part number code 105 | 1 |

## Materials and finish

As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).

| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | abs |  | deterioration in the insulation resistance between the terminations due to moisture absorption. | 26 |
| contacts |  | tin | Please contact our sales representative or product engineers on the use of Sn-Zn based solder in advance. Caution | 14 |

## CAD (KiCad official)

- Symbol: `GRM188R71C105KA12D`
- Footprint: `Capacitor_SMD:C_0603_1608Metric`
- 3D model: 0603 (1608 Metric) (KiCad packages3D, STEP)

## Provenance

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

- **Datasheet:** [Murata Electronics datasheet](https://pim.murata.com/asset/pim4/ceramicCapacitorSMD/GRM188R71C105KA12-01-EN_PDF_CERAMICCAPACITORSMD) (29 pp, sha256 `35512c925f1086e7`, retrieved 2026-11-07, tier: manufacturer)
- **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/grm188r71c105ka12d-datasheet.pdf)