Rotary 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
DIMENSIONS In inches (and millimeters)
.213
(5,41)
.480
(12,19)
.443
(11,25)
.286
(7,26)
.200 (5,08)
Pin #1
.689 (17,50)
1.123 (28,52)
.433
(11,00)
.044 (1,12)
DIA.
8
C
2
1
C
4
.179
(4,55)
PC board layout
as viewed from the
top of the switch
.059
(1,50)
.058 (1,47)
DIA.
.199 (5,05)
.235 (5,97)
Unless otherwise indicated, tolerances are ± .010 (0,25)
CODE & TRUTH TABLES:
Series 94H and 94R
SPECIFICATIONS: Series 94H and 94R
Electrical Ratings
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.
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.
InsulationResistance:(measuredat100Vdc
across open switch contacts)
Initial: 5000 Mohms minimum. After Life: 1000
Mohmsminimum.
Standard
Complement
Output
CODE OUTPUT
CODE OUTPUT
Output
1
2
4
8
1 2 4 8
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
F
Materials and Finishes
Rotor and Switch Body: Plastic (UL94V-O)
Contact Material: Copper alloy plated.
30 microinches minimum gold over 50
microinches minimum nickel.
Shorting Member: Copper alloy plated.
30 microinches minimum gold over 50
microinches minimum nickel.
Terminals: Copper alloy plated. 100
microinches minimum 90/10 tin lead solder
over 50 microinches minimum nickel.
Internal O-ring: Rubber BUNA-N
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.
MechanicalShock:1000g's,0.5mS,halfsineper
MIL-STD-202F, Method213, TestConditionE.
Vibration Resistance: 10-2000 Hz at 15G or
0.060" double amplitude per MIL-STD-202F,
Method 204, Test Condition B.
Dot indicates terminal to common
connection. All switches are continuous
rotation.
OctalandOctalComplementoutputsare0
thru 7 positions.
Soldering Information
SolderingTemperature: 250°Cfor10seconds
maximum.
Cleaning: Acceptable solutions include 1-1-1
Trichlorenthane, Freon (TF, TE, or TMS),
Isopropyl Alcohol and detergent (140°F
maximum). Solutions which are not
recommended include Acetone, Methylene
Chloride, and Freon TMC.
BCD and BCD Complement outputs are 0
thru 9 positions.
OperationalTorque:2to6inch-ouncesinitially
and 1.2 inch-ounces minimum after life.
Hexadecimal and Hexadecimal
Complementoutputsare0thruFpositions.
Standard codes have natural color
rotors; complements have rotors in a
contrastingcolor.
Grayhill, Inc.
• 5 6 1 Hillgrove Avenue • LaGrange, Illinois 6 0 5 2 5 -5 9 9 7 • USA • Phone: 7 0 8 -3 5 4 -1 0 4 0 • Fax: 7 0 8 -3 5 4 -2 8 2 0 • www.grayhill.com
B-23