Thru-Hole DIP Switches
SERIES 78B
Right Angle Option
AꢁꢁꢂIcAꢀIOꢃS
FEAꢀuRES
• Easy Access
• SPST Circuitry
• 2-10 and 12 positions available
• Sealed versions available
Telecommunications, computers
and peripherals, instruments and
controls.
Series 78B DIMEꢃSIOꢃS in inches (and millimeters)
Right Angle Assemblies As Shipped
Right Angle Assemblies As Installed
SꢁEcIFIcAꢀIOꢃS
Materials
Meꢄhaniꢄal
Soldering and cleaning ꢁroꢄess
contaꢄt Ball: Brass with gold plating over
nickel
Meꢄhaniꢄal ꢂife: 2,000 operations per
switch.
cleaning tape sealed prodꢅꢄts:
Passes immersion test using water/
detergent. Acceptable solutions include 1-1-
1 trichlorethane, freon, (TF, TE, or TMS),
isopropylalcohol,detergent(140°Fmaximum).
TerpeneacceptableforSeries90only.Solutions
which are not recommended include acetone,
methylene chloride, freonTMC.Pressure wash
cleaning processes are not recommended for
tape seal switches.
ꢀerminals: Brass with gold plating over
nickel
ꢃonꢄondꢅꢄtive ꢁarts: Plastic UL94V-0
ꢁotting Material: Epoxy
Shorting Member (Ball): Brass, gold-plated
over nickel barrier.
ꢁroteꢄtive cover: Polycarbonate.
ꢀape Seal: Polyester film
Operation ꢀemp: -40°C to + 85°C
Storage ꢀemp: -55°C to + 85°C
Vibrationꢀest:PerMethod204,TestCondition
B, 1 mS opening (10 mS allowed)
Shoꢄk ꢀest: MIL-STD-202F METHOD 213
Test Condition A, 1ms (10 allowed)
Eleꢄtriꢄal
Eleꢄtriꢄal ꢂife: 10,000 operations per switch
24VDC, 25mA.
ꢃon-Switꢄhing Rating: 100mA, 50VDC.
Switꢄhing rating: 150mA, 30DVC;
10mA, 50mVDC
contaꢄt Resistanꢄe: 30mΩ max. at initial.
InsꢅlationResistanꢄe:(at100VDC)5,000MΩ
min.
ꢀape Seal Integrity: Passes gross leak test
using125°Cflourinertfor20secondsminimum.
Reference MIL-STD-202, Method 112.
Wave Soldering: Recommended solder
temperature: 500°F (260°C) max 5 seconds.
Hand Soldering: Use a soldering iron of 30
Watts or less, controlled at 608°F (320°C)
approximately 2 seconds while applying
solder.
cleaning: Tape sealed versions withstand
Dieleꢄtriꢄ Strength: 750VAC/1 minute.
capaꢄitanꢄe: 2pF max.
cleaning processes.
ORDERIꢃG IꢃFORMAꢀIOꢃ
Series 78B, 78F, 78G, 78H, 78J, 78K, 78RB Styles available as right angle
ꢃꢅmber of ꢁositions 2 through 12
RoHS ꢄompliant
78B08SRAꢀ
Right Angle
S= Top Tape Sealed, Blank=Unsealed
78R
78K
78H
78F
78J
Tape Sealed
DIꢁ
17
Grayhill, Inc.
•
561 Hillgrove Avenue
•
LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com