This PDF file is a product specification sheet that introduces the features of the RK27111250K potentiometer, including resistance value, rated voltage, insertion loss, slider noise, insulation resistance, and dielectric strength.
This document provides the technical specifications for the ALPS RK27112B0 potentiometer, covering electrical performance such as resistance tolerance, insertion loss and insulation resistance, as well as mechanical characteristics like rotation angle and torque. It also includes marking requirements, packaging details, and test conditions for production and quality control.
Key specifications include a total resistance tolerance of ±20%, a total rotation angle of 300°±3°, operation torque ranging from 60‑350 Bf·ca, and a rotational life of 15,000 cycles. The sheet also outlines soldering heat resistance, shaft end stop strength, and detent torque values.
| Total resistance tolerance | ±20% |
|---|---|
| Insertion loss (full C.V. position) | O.ldB aax. |
| Slider noise | less than 47aV |
| Insulation resistance at 500 V DC | 100 MΩ |
| Total rotation angle | 300° ±3° |
| Operation torque | 60‑350 Bf·ca |
| Shaft end stop strength | 9 kgf·ca |
| Detent angle | 150° ±3° |
| Rotational life | 15,000 cycles |
The total resistance tolerance is ±20%.
The total rotation angle is 300° ±3°.
The insulation resistance is 100 MΩ at 500 V DC.
The rotational life is specified as 15,000 cycles.