
Grayhill, Inc. 561 Hillgrove Avenue LaGrange, Illinois 60525-5997 USA Phone: 708-354-1040 Fax: 708-354-2820 www.grayhill.com
DIP
Switches
SERIES 78
SPST To 4PST Slide
78
FEATURES
Raised and Recessed Slides
SPST, 2PST, 3PST, 4PST
Sealed Base Standard
Spring and Ball Contact
Top Tape Seal Option
2
13 4
O
N
2
13 4
O
N
Single Pole/Single Throw Switch
CIRCUITRY
For switches with 5, 6, 7, 8, or 10PST circuitry,
contact Grayhill.
*A top tape seal is required for switches that are
machine soldered or heavily cleaned after hand
soldering. To order top seal versions, add "S"
before the "T" in the Grayhill part number.
Typical Multiple
Pole Switch
Typical Circuit
Diagram
1
O
N
1
O
N
No. of
Length
No./
Raised
Recessed
Circuitry Positions
Inches
Metric
Tube
Slides*
2
0.280"
7,1mm
35
78B02T
78RB02T
3
0.380"
9,7mm
27
78B03T
78RB03T
4
0.480"
12,2mm
21
78B04T
78RB04T
5
0.580"
14,7mm
18
78B05T
78RB05T
SPST
6
0.680"
17,3mm
15
78B06T
78RB06T
7
0.780"
19,8mm
13
78B07T
78RB07T
8
0.880"
22,4mm
12
78B08T
78RB08T
9
0.980"
24,9mm
10
78B09T
78RB09T
10
1.080"
27,4mm
9
78B10T
78RB10T
12
1.280"
32,5mm
8
78B12T
78RB12T
1
0.280"
7,1mm
35
78F01T
2
0.480"
12,2mm
21
78F02T
2PST
3
0.680"
17,3mm
15
78F03T
4
0.880"
22,4mm
12
78F04T
Recessed
5
1.080"
27,4mm
9
78F05T
Slides
6
1.280"
32,5mm
8
78F06T
Not Available
1
0.380"
9,7mm
27
78G01T
3PST
2
0.680"
17,3mm
15
78G02T
3
0.980"
24,9mm
10
78G03T
4PST
1
0.480"
12,2mm
21
78H01T
2
0.880"
22,4mm
12
78H02T
ORDERING INFORMATION
Available from your local Grayhill Distributor.
For prices and discounts, contact a local Sales
Office, an authorized local Distributor or Grayhill.
Single Pole/Single Throw Switch in Raised and Recessed Slides
DIMENSIONS In inches (and millimeters)
Note:
Recessed slides have a dimple for
tool actuation. For recessed slides,
the .295 dimension does not apply.
Typical Multiple Pole Switch with
Raised Slides
(Switch shown here is 78H02, 4PST)
2
1
O
N
.380 ± .010
(9,65 ± 0,25)
Length ± .010 (± 0.25)
See Ordering Information
C
L
C
L
DIM. B
± .002
(± 0,05)
.020 ± .002 (0,51 ± 0,05)
.090 ± .005 (2,29 ± 0,13)
.100 ± .005 (2,5 ± 0,13)
DIM. B
2PST = .100 (2,54
3PST = .200 (5,08)
4PST = .300 (7,62)
2
1
3 45 6 7 8 910
O
N
.380 ± .010
(9,65 ± 0,25)
Length ± .010 (± 0.25)
See Ordering Information
C
L
C
L
.060 ± .002 (1,52 ± 0,05)
.020 ± .002 (0,51 ± 0,05)
.090 ± .005 (2,29 ± 0,13)
.100 ± .005 (2,5 ± 0,13)
C
L
C
L
.070 (1,78) REF.
A
.295 + .000 –.020
(7,49 –0,51)
.020
± .002
(0,51
± 0,05)
.156 + .015 –.010
(3,96 + 0,38 –0,25) TYP.
A = .245 + .000 –.020
(6,22 + 0,51)
.050 ± .005
(1,27 ± 0,13)
TYP.
.180 ± .010 (4,57 ± 0,25)
.012 ± .001 (0,30 ± 0,03)
.300 + .030 –.000
(7,62 + 0,76)
DIP
11
Thru-Hole DIP Switches