2

Long Stroke Tactile Switch

B3AL

■ Construction

Dimensions

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

±0.4mm applies to all dimensions.

Precautions

■ Precautions for Correct Use

Handling

Soldering

Do not exceed the following terminal temperature profile during

soldering in a reflow oven.

Washing

The Switches are not sealed, and cannot be washed.

Doing so will cause the washing agent, together with flux or dust

particles on the PCB, to enter the Switch, resulting in malfunction.

Packaging Specifications

The packaging specifications for B3AL Switches in embossed

taping are given below.

Pushbutton

Plunger

Moving contact

Terminal (contact)

Base

4.9 dia.

PCB Pad

(Top View)

Terminal Arrangement/

Internal Connections

(Top View)

8

4

2

6.6

0.8

5

6.9 5.8

6

1.4

260

°C

220

°C

180

°C

150

°C

60 to 120s

60s max.

Time

Preheating time

Main

heating

time

(22)

(5.5)

Reel

13 di

a.

1.5

dia.

+0.1

0

380

±2

dia.

1.75

Tape drawing direction

Tape drawing direction

4±0.1

C

C

Cross section

C-C

12±0.1

2

16

7.50