Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Rotary Switches
Single Deck Rotary Switches
DIMENSIONS in inches [and millimeters]
SERIES 77
0.5" Diameter, 200 mA
0.18" Behind Panel
FEATURES
• Small Size - Minimal Space Required
Behind Panel
• Available with Continuous Rotation
or a Fixed Stop
• High Stop Strength
• Shaft and Panel Seal
• Process Seal available
• Single Deck with 1 or 2 Poles
APPLICATIONS
• Handheld Radios
• Handheld Medical Devices
• Night Vision Products
• Laser Aiming Devices
Series
77
Series
75
Series
50
Ø
.500
12,7[ ]
Ø
.200
±
.004
5,08
±
0,1[ ]
.625
15,88[ ]
REF
.375
9,53[
]
.250
±
.005
6,35
±
0,12[ ]
.180
4,57[ ]
.066
±
.010
1,68
±
0,25[ ]
Ø
.125
±
.001
3,18
±
0,02[ ]
.250
±
.005
6,35
±
0,12[ ]
.109
±
.010
2,77
±
0,25[ ]
Ø
.326
8,28[ ]
18°
.340
±
.005
8,64
±
0,12[ ]
18°
10X
36°
.314
±
.008
7,98
±
0,2[ ]
Ø
CIRCLE OF TERMINAL
CENTERS
.200
±
.010
5,08
±
0,25[ ]
.094
±
.005
2,39
±
0,12[ ]
11X Ø
.015
+.003
-.002
0,38
+0,07
-0,05
[ ]
.072
±
.005
1,83
±
0,12[ ]
12X Ø
.015
+.003
-.002
0,38
+0,07
-0,05
[ ]
TERMINAL VIEW
1 POLE
TERMINAL VIEW
2 POLE
HOUSING
FLAT
SHAFT FLAT
POS.1
3/8-32 UNEF-2A
THREAD
COMMON TERMINAL
TERMINAL 1
TERMINAL 1
COMMON 1
COMMON 2
RECOMMENDED PANEL CUT-OUT
POSITI0N 1
.345
+.003
-.000
8,76
+0,07
-0,00
[ ]
Ø
.375
+.005
-.000
9,53
+0,12
-0,00
[ ]
Ø.008 [0,2]
Ø.008 [0,2]
RECOMMENDED PCB LAYOUT
(VIEWED FROM SWITCH SIDE OF PCB)
TERMINAL 1
TERMINAL 1
1 POLE LAYOUT
2 POLE LAYOUT
*CUSTOMER TO ESTABLISH PCB DATUMS FOR HOLE PATTERN PLACEMENT
*
*
12X Ø
.024
±
.004
0,61
±
0,1[ ]
11X Ø
.024
±
.004
0,61
±
0,1[ ]
Ø
.200
5,08[ ]
Ø
.200
5,08[ ]
.072
1,83[ ]
36°
36°
Grayhill part number and date code marked
on label. Customer part number marked on
request.
Recommended Mounting Torque: Tighten
mounting hex nut to 12 in-lb (15 in-lb max).
Before applying torque, rotation of the switch
housing must be constrained by the housing
at via the "Recommended Panel Cut-Out"
or similar method. Constraining by PCB or
anything soldered to the terminals will result
in damage to the switch
Unless otherwise specied, tolerances are ± .015 inch and ± 3 degrees
