This document is about Burns brand switch product information, including specifications, models, dimensions, wiring methods, etc.
This guide provides an overview of Bourns panel control families, including 6 mm, 9 mm, and 12.5 mm square and round potentiometers. It lists model numbers, electrical and mechanical characteristics, taper codes, and recommended mounting hardware.
The document is organized by product sections such as Mounting Hardware, Taper Descriptions, and detailed specifications for each model series. Engineers can use the tables to select the appropriate part number, resistance range, and mechanical dimensions for their application.
| Resistance Range | 1 kΩ to 1 MΩ (±20%) |
|---|---|
| Operating Temperature Range | -55 °C to +125 °C |
| Shaft Actuating Force | 4 oz max @ 70 °F |
Bourns uses taper codes A‑H, each defining linear or audio characteristics and tolerance (e.g., A = Linear — Cermet ±5%).
The standard resistance range is 1 kΩ to 1 MΩ with a tolerance of ±20%.
They operate from –55 °C up to +125 °C.