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
SMCD SERIES MINIATURE PUSHWHEEL SWITCHES
FEATURES
SMCD SPECIFICATIONS
Panel mounting hole:
Height .945"(24mm)
Width .315"(8mm)
Installed depth with p.c. board:
Short 1.260"(32mm)
Long 1.654"(42mm)
Insertion from front yes
Insertion from rear yes
CODES
Code positions marking
111 Decimal 10 0-9 see truth tables
131 BCD 10 0-9 see truth tables
137 BCD comp 10 0-9 see truth tables
301 Hexadecimal 16 0-9, A-F(0-15) see truth tables
400 change-over 10 +,-,+,-,etc.. see truth tables
ELECTRICAL DATA
Operating voltage: 40 V max.
Contact load, static: 1 A max.
Contact load, dynamic: 100 mA max.
Contact resistance (type AK): less than 100 mOhm
TECHNICAL DATA
Operating temperature range: -20°C to 80°C
Electric life, min. switching cycles 1,000,000
Actuation force, approx (oz.): 14
Weight, approx. (grams): 4
Character height: 10 digit .193" (4.9mm)
16 digit .134" (3.4mm)
Audible click yes
Vibration DIN IEC 68, parts 2-6 yes
Shock DIN 40046, part 7 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 (10 digit models)
L.E.D. illumination (transparent wheel)
Red digits
Decimal point
Special codes or printing
Gray housing
See sockets at end of Pushwheel section.
Miniature pushwheel switches with large visible readout characters.
Models available with ESD protection - consult factory.
Bi-directional snap action detent pushbutton mechanism.
Black housing and drum with white printing.
Gangable front and rear mounting models with spacers and side covers.
Gold wiping action contacts.
P.C. board options include solderable lands.
