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Thru-Hole DIP Switches
SERIES 78C
Right Angle Option
Right Angle
FEATURES
? Easy Access
? SPST Circuitry
? 2-10 and 12 positions available
? Sealed versions available
APPLICATIONS
Telecommunications, computers and
peripherals, instruments and controls.
Series 78C DIMENSIONS
In inches (and millimeters)
.059
(1,50)
.272 MAX
(6,90)
.100 .004
(2,54 0,10)
.100 .004
(2,54 0,10)
ON
LENGTH
SEE TABLE
GH
.137
(3,50)
.063
(1,60)
.039
(1,0)
.389
(9,90)
.055
?.038 .002
(?0,97 0,05)
1 2 3 4 5 6 7 8
.006 .002
(0,15 0,05)
(1,40)
.023
.100 .024
(0,60)
.100 TYP.
(2,54)
.114 MIN
(2,90)
.244 .024
(6,20 0,60)
(2,54 0,60)
Unless otherwise specified, tolerances are ±0.008 (0,20)
SPECIFICATIONS
Mechanical
Mechanical Life: 2000 operations per switch.
Operation Force: 1000gf max.
Stroke: 2.0mm
Electrical
Electrical Life: 2000 operations per switch
24VDC, 25mA.
Non-Switching Rating: 100mA, 50VDC.
CIRCUITRY
Operation Temp: -20°C to 70°C
Switching rating: 25mA, 24VDC.
(2, 3, 4, 5, 6, 7, 8, 9, 10, 12, POS AVAIL)
Storage Temp: -40°C to 85°C
Contact Resistance: 50m
max. at initial.
Vibration Test: MIL-STD-202F METHOD
201A.
Frequency: 10-55-10Hz/1 min.
Directions: X,Y,Z, three mutually
perpendicular directions.
Time: 2 hours each direction.
High reliability.
Shock Test: MIL-STD-202F METHOD 213 B.
CONDITION A.
Gravity: 50G (peak value), 11 msec.
Direction and times: 6 sides and 3 Times
in each direction.
High reliability.
Insulation Resistance: (at 500VDC) 100m
min.
Dielectric Strength: 500VAC/1 minute.
Capacitance: 5pF max.
Circuit: Single pole single throw.
Soldering and Cleaning Process
For best results follow these recommendations:
Keep switch contacts in “OFF” position for all
operations.
Wave Sodering: Recommended solder
temperature: 500°F (260°C) max 5 seconds.
Hand Soldering: Use a soldering iron of 30
Materials
Base Contact: Phospher bronze with gold
plating over nickel
Terminals: Brass with gold plating over nickel
Nonconductive Parts: Plastic UL94V-0
Potting Material: Epoxy
Tape Seal: Polyester film.
Watts or less, controlled at 608°F (320°C)
approximately 2 seconds while applying solder.
Cleaning: Tape sealed versions withstand
cleaning processes.
ORDERING INFORMATION
Series
Number of Positions
RoHS compliant
78C08SRAT
Right Angle
S= Top Tape Sealed, Blank=Unsealed
DIP
17
Grayhill, Inc. ? 561 Hillgrove Avenue ? LaGrange, Illinois 60525-5997 ? USA ? Phone: 708-354-1040 ? Fax: 708-354-2820 ? www.grayhill.com
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