242

Tactile Switch

B3M

Dimensions

Note: 1. Unless otherwise specified, all units are in millimeters and a tolerance of

± 0.4 mm applies to all dimensions.

2. Terminal numbers are not indicated on this switch. With the switch turned over so that the logo mark “OMRON” is visible on the upper

part of the rear side of the switch base, the terminal on the top of the logo mark is numbered “1” and that on the bottom is “2.”

■ B3M-6009

■ Construction

Precautions

Be sure to read the precautions common to all Tactile Switches, contained in the Technical User’s Guide, “Tactile Switches, Technical Information”

for correct use.

3.1

3.9 dia.

4.8

0.5

0.3

0.2 max.

3.5

6.5

Two, 1

+0.1

-0

dia.

2

1

PCB Mounting (Top View)

(Single-sided PCB, t=1.6)

Terminal Arrangement

/Internal Connections

(Top View)

Cap

Case

Coil spring

Plunger

Contact dome

Base

Terminal (contact)