RF 15 (15 x 15 mm) and RF 19 (19 x 19 mm) with distinct key click, for use under an overlay or with RK 90 keycaps. Can be fully illuminated.
The RF 15 and RF 19 short‑travel keyswitches are low‑profile mechanical switches designed for 15 mm and 19 mm key grids. They are offered in non‑illuminated, spot‑illuminated (1 LED) and fully illuminated (2 LED) versions, with a range of LED colours and optional double‑spot LEDs.
Technical data includes operating force up to 100 N, rated voltages from 2 V to 5 V, LED forward currents of 20‑30 mA, and operating temperature ranges of –20 °C to +80 °C. The handbook also lists mounting dimensions, contact materials, and a full set of accessories such as keycaps, spacers and signal indicators.
| Rated voltage (minimum) | 2 V |
|---|---|
| Rated voltage (maximum) | 5 V |
| LED forward current (Red LED) | 30 mA |
| Operating temperature range | -20 °C to +80 °C |