SMCD301AK Tyco Electronics, SMCD301AK Datasheet
SMCD301AK
Manufacturer Part Number
SMCD301AK
Description
SWITCH, DIGITAL, PUSH WHEEL, HEXADECIMAL
Manufacturer
Tyco Electronics
Series
SMCDr
Datasheet
1.SMCPK.pdf
(1 pages)
Specifications of SMCD301AK
Output Code
Hexadecimal
Readout
0-9, A-F
Switch Terminals
Through Hole
Circuitry
SPST
Panel Cutout Height
22.5mm
Overall Height
24mm
Rohs Information
SMCD301AK
Read Out
0 ~ 9, A ~ F
Actuator Type
Pushwheel
Mounting Type
Panel Mount, Snap-In (Front)
Termination Style
Card Edge
Component Mounting Area
No
Actuator
Pushwheel, Mini
Contact Rating
0.4 Volt-Amp
Power Rating
0.4 Volt-Amp
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
1-1437602-9
SMCD Series have large visible readout characters despite it's small
size. This popular family is used in measurement and test
instrumentation for range setting, data programming and count
controlling; and in communications equipment for digital tuning. The
simple, reliable bi-direction pushbutton mechanism permits rapid
changes to either higher or lower numerical settings. Instrument-grade
performance and long service life are enhanced by the heavy gold
wiping contacts. Large readout characters are protected by dust-sealed
windows. Snap-together grouping and snap-in panel mounting
minimize installation time and cost. SMCD models have snap detent
with slight audible click.
SMCD bi-directional code switches may be easily assembled into
groups of any number. The tabs or pins of one decade section press fit
into the holes in the adjacent section. Spacers and end mounting plates
may be included in the same manner as desired.
Groups of SMCD switches with end plates snap into panel holes of the
recommended size and are retained by plastic clips. Again, tools and
additional hardware items are not required.
Model
SMCPK
SMCL
SMCA
SMCADP
B9L
B9LS
B9LS5PIN
B11LS
SP1.2
(.991)
Catalog 1308390
Issued 9-04
www.tycoelectronics.com
TYP.
.039
DIA.
BOARD TRACE DETAIL
WHERE n IS THE NUMBER OF SWITCHES
(2.49)
AK
.098
(1.50)
.059
AK TYPES
EXCEPT 301: .140
SMCD .193/.139
RECOMMENDED
AL
PANEL HOLE
(1.52)
.060
Description
End mounting plates (pair)
300" spacer section
.100" spacer (with mounting clips)
.100" spacer, decimal point (with mounting clips)
Connector, 9 contacts, solder lug terminals
Connector, 9 contacts, PC pins
Connector, 5 contacts, PC pins
Connectors, 11 contacts, PC pins (for 111)
Limit stop pin for SMD 10 position only
(7.49)
.295
DIA. TYP.
(0.99)
Dimensions are in inches
and millimeters unless otherwise
specified. Values in parentheses
or brackets are metric equivalents. to change.
.039
NUMBERS
ALU
AL TYPES
(5.08)
HIGH
0.20
(22.5)
.886
(1.50)
.059
(7.62)
.300
(2.49)
.098
SMCD Series
Pushwheel Switches, Mini, Front Mount
1
.236+.004
(6.0+1.0)
(1.52)
(7.11)
.060
.280
N X .300
(24.0)
(7.49)
+.138
.945
.295
(5.89)
.232
DIA. TYP.
(.0.99)
LS
.039
(0.56)
.022
ALD TYPES
(1.50)
Dimensions are shown for
reference purposes only.
Specifications subject
.059
(26.0)
1.02
AK TYPES
SWITCH SHOWN WITH END MOUNTING PLATE
(32.0)
(48.0)
1.26
(2.49)
1.89
(1.52)
.098
.060
AL & AL/D TYPES
(42.1)
MATERIAL SPECIFICATIONS:
PC Board............................................Glass epoxy type, FR4
PC Terminals ....................................Gold over Ni on Cu
Character Height/Color......................White on black background
Molded parts ......................................Noryl-SE1, Black matte finish
Housing ..............................................Black matte finish
TYPICAL PERFORMANCE CHARACTERISTICS:
Contact Rating ......................................0.4 VA @ 20 VDC or Peak AC
Contact Circuit Resistance ....................0.12 Ohm max. (Total internal ckt. res.)
Mechanical Life ....................................More than 10 6 operations
Operational Force ..................................Approx. 14 oz.
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature......................(-20°C to +80°C)
1.66
See Code Tables on Page J3
P/N SMCPK (PAIR)
111 = Decimal
131 = BCD
137 = BCD Complement
141 = BCD + Complement
301 = Hexadecimal
Codes
SIDE VIEW
(22.0)
.866
USA: 1-800-522-6752
Canada: 1-905-470-4425
Mexico: 01-800-733-8926
C. America: 52-55-5-729-0425
SMCD - 131 - AK
8
PANEL THICKNESS
(1.00 TO 3.30)
0.04 TO 0.13
RANGE
(1.50)
0.06
SMC .197/.134; SMCD .193/.134
Except 301 & SG558: .140 and
SG557 .120
Connections
AK = pcb short
AL = pcb long
LS = solder pin
ALU = pcb long downward
South America: 55-11-3611-1514
Hong Kong: 852-2735-1628
Japan: 81-44-844-8013
UK: 44-141-810-8967
0.30
(7.60) TYP.
(7.6 x n + 6.10)
0.3 x n + 0.24
TOP VIEW
(1.00)
0.04
TYP.
(7.6 x n + 3.30)
0.30 x n + 0.13
J9
J
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