1543

PL
IA
NT
Features
S
CO
M
■
*R
oH
■
■
Contact type: contact spring
Variety of lever lengths
Additional models and versions available
1543 - Push Switch
Characteristics
Product Dimensions
Switch Travel.....................0.6 to 0.8 mm
Actuating Force ....................0.8 to 2.4 N
Bounce Time ....................45 µsec. max.
Switch Function ........1 pole push switch
Switch Rating .......................24 V/0.01 A
without inductive load
Temperature Range ......-25 °C to +70 °C
Switch Life .........................50,000 clicks
1543-300
1543-650
L ± 0.2
(L ± .008)
L ± 0.2
(L ± .008)
How to Order
7.3 +0/-0.1
(.287 +0/-.004)
7.3 +0/-0.1
(.287 +0/-.004)
1543 - 300 - 113
Model Type
• 1543
Terminal & Lever Style
• 300
• 650
Other versions available upon request.
Lever Length
113 = 11.3 mm
130 = 13.0 mm
135 = 13.5 mm
149 = 14.9 mm
185 = 18.5 mm
200 = 20.0 mm
Other lengths available upon request.
Other versions available upon request.
1.0
(.039)
0.5
(.020)
5.0
(.197)
1.6
(.063)
DIA.
0.5
(.020)
4.1 +0/-0.04
(.161 +0/-.002)
5.0
(.197)
7.8
(.307)
4.1 +0/-0.04
(.161 +0/-.002)
7.5
(.295)
1.1 +0/-0.1
(.043 +0/-.004)
9.1
(.358)
2.0
(.079)
4.3
(.169)
Asia-Pacific:
Tel: +886-2 2562-4117
Fax: +886-2 2562-4116
Europe:
Tel: +41-41 768 5555
Fax: +41-41 768 5510
The Americas:
Tel: +1-951 781-5500
Fax: +1-951 781-5700
www.bourns.com
9.8 +0/-0.1
(.386 +0/-.004)
DIMENSIONS ARE:
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex
Specifications are subject to change without notice.
Customers should verify actual device performance in their specific applications.
7.8
(.307)
9.8 +0/-0.1
(.386 +0/-.004)
9.8 +0/-0.1
(.386 +0/-.004)
REV. 06/08
1.1 +0/-0.1
(.043 +0/-.004)
4.0
(.157)
1543-305:
3.0 +0/-0.2
(.118 +0/-.008)
1543-300/301/302:
4.2 +0/-0.2
(.165 +0/-.008)
MM
(INCHES)
9.8 +0/-0.1
(.386 +0/-.004)