SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
T
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com T1
SCSI SERIES SUBMINIATURE PUSHWHEEL SWITCHES
FEATURES
The smallest panel mounting pushwheel switches available .
Designed for SCSI applications.
ESD protection up to 8KV.
Integrated front mounting models.
Recessed actuator buttons.
P.C. board options include solderable lands or a selection of headers.
SCSI SPECIFICATIONS
Panel mounting hole:
Height .562"(14.3mm)
Width .425"(10.8mm)
Installed depth with
p.c. board: .906"(23mm)
Insertion from front yes
Insertion from rear no
CODES
Code positions marking
131 BCD 8 0-7 see truth tables
131 BCD 10 0-9 see truth tables
301 16 0-9,A-F see truth tables
ELECTRICAL DATA
Operating voltage: 40 V max.
Contact load, static: 0.5 A max.
Contact load, dynamic: 100 mA max.
Contact resistance (type AK): less than 120 mOhm
ESD protection: 8KV max.
TECHNICAL DATA
Operating temperature range: -20°C to 80°C
Electric life, min. switching cycles 10,000
Actuation force, approx (oz.): 18
Character height, 10 position: .122"(3.1mm)
Character height, 16 position: .094"(2.4mm)
Audible click yes
MATERIALS
Body: PPO
PC board: FR 4 DIN 40802
IEC 249-2, Contact
surface gold over
nickel on copper
Sliding contact: Gold over nickel
on copper alloy
STANDARD COLORS
Housing,Drum,Printing
2 = black 3 = white 2,2,3
Other special features are available upon
request including:
Factory or customer set stops
Cable harnessing
Red digits
Decimal point
Special codes or printing
SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE
T
APEM
, 63 NECK ROAD, HAVERHILL, MA USA 01835-0788 TOLL FREE: (877) 246-7890 FAX: (978) 372-3534 E-mail: info@apem.com
T2
SCSI SERIES SUBMINIATURE PUSHWHEEL SWITCHES
CODE 131
BCD (10 positions)
C1248
0
1
2
3
4
5
6
7
8
9
TRUTH TABLES
CODE 131
BCD (8 positions)
C1248
0
1
2
3
4
5
6
7
CODE 301
HEXADECIMAL
1248C
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
MECHANICAL OUTLINE WITH PANEL CUT-OUT HEADER OPTIONS
LS LSA
LSB
LSC LSD
'BUILD YOUR OWN SWITCH' ORDER FORMAT
Ordering information: Below is an order format that enables you to 'build your own switch' and specify the correct switch model
number by simply selecting from available options shown and filling in the boxes.
131 BCD (all models)
301 Hexadecimal Black housing
and drum.
White lettering
Series model Code P.C. board Header options Standard colors For BCD only
Example of complete
model no.: SCSI131AKLS2B07
2
Short
SCSI AK
(NONE)
LS
LSA
LSB
LSC
LSD
(NONE)
B07 Specify
for 8 position BCD
model
