Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
DIP Switches
SERIES 94R
Economical, Binary Coded
FEATURES
• 10,000CyclesofOperation
• Gold-PlatedContacts
• SealedContactSystem
• RightAngleMount
• Octal,BCD&HexadecimalCodes
• StandardorComplement
• RoHSCompliant
SPECIFICATIONS:
Electrical Ratings
Make-and-break Current Rating:30mAat30
Vdcfor10,000cyclesofoperation.
Carrying Current Rating:100mAat50Vdc
Contact Resistance: 50 mohms maximum
initially (measured at 10 mA, 50 mVdc).
150mohmsmaximumafterlife.
Insulation Resistance:(measuredat100Vdc
acrossopenswitchcontacts)
Initial:5000Mohmsminimum.AfterLife:1000
Mohmsminimum.
Dielectric Strength:(measuredacross
openswitchcontacts)Initial:500VacRMS
minimum.AfterLife:250VacRMS
Mechanical Ratings
Mechanical Life:10,000cycles of operation.
Onecycleisarotationthroughallpositionsand
acompletereturnthroughallpositions.
Mechanical Shock: 1000g's,0.5mS,halfsineper
MIL-STD-202F,Method213,TestConditionE.
Vibration Resistance:10-2000Hzat15Gor
0.060" double amplitude per MIL-STD-202F,
Method204,TestConditionB.
Operational Torque:2to6inch-ouncesinitially
and1.2inch-ouncesminimumafterlife.
Environmental Ratings
Operating Temperature Range: -40° to
+85°C.
Storage Temperature Range:-40°to+85°C.
Moisture Resistance: 240 hours with
temperature cycling and polarization. Passes
insulation resistance and dielectric strength
per MIL-STD-202F, Method 106 following
exposure.
Materials and Finishes
Rotor and Switch Body:Plastic(UL94V-O)
Contact Material: Copper alloy plated.
30 microinches minimum gold over 50
microinchesminimumnickel.
CODE & TRUTH TABLES:
DIMENSIONS ininches(andmillimeters)
Unlessotherwiseindicated,tolerancesare±.010(0,25)
SWITCHPOSITION
CODEOUTPUT CODEOUTPUT
8 8412
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
412
Standard
Output Complement
Output
Dot indicates terminal to common
connection. All switches are continuous
rotation.
OctalandOctalComplementoutputsare
0thru7positions.
BCDandBCDComplementoutputsare0
thru9positions.
Hexadecimal and Hexadecimal
Complement outputs are 0 thru F
positions.
Standard codes have natural color
rotors; complements have rotors in a
contrastingcolor.
Shorting Member: Copper alloy plated.
30 microinches minimum gold over 50
microinchesminimumnickel.
Terminals: Copperalloy,mattetinplatedover
nickelbarrier.
Internal O-ring:RubberBUNA-N
Soldering Information
*For the most current soldering & cleaning processing
guidelines, reference Grayhill Dip Switch Processing
Information, Bulletin 1234
Soldering Temperature:260°Cmaximum.
Cleaning:Acceptablesolutionsinclude
1-1-1Trichlorenthane,Freon(TF,TE,or
TMS),IsopropylAlcoholanddetergent
(140°Fmaximum).Solutionswhicharenot
recommendedincludeAcetone,Methylene
Chloride,andFreonTMC.
ORDERING INFORMATION: Series 94R
Continuous Rotation Versions
No. of Standard Code Complement
Code Positions Part Number Part Number
Octal 8 94RB08CT 94RC08CT
BCD 10 94RB10CT 94RC10CT
Hexadecimal 16 94RB16CT 94RC16CT
Rotational Stop Versions*
No. of Standard Code Complement
Code Positions Part Number Part Number
Hexadecimal 16 94RB16FT 94RC16FT
* ConsultGrayhillfor8or10position
Rotary DIP Switches
.213
(5,41)
.433
(11,00)
.443
(11,25)
.480
(12,19)
.286
(7,26)
.689 (17,50).210 (5,33) .200 (5,08)
1.123 (28,52)
.044 (1,12)
DIA.
.179
(4,55)
.094
(2,93)
.162
(4,11)
.059
(1,50) .058 (1,47)
DIA. .199 (5,05)
.235 (5,97)
8
C
2
1
C
4
PC board layout
as viewed from the
top of the switch
Pin #1