Thru-Hole DIP Switches
FEATURES
SERIES 78
• Raised and Recessed Slides
• SPST, 2PST, 3PST, 4PST
• Sealed Base Standard
• Spring and Ball Contact
• Top Tape Seal Option
SPST To 4PST Slide
78
DIMENSIONS In inches (and millimeters)
Typical Multiple Pole Switch with Raised
Slides
(Switch shown here is 78H02, 4PST)
Single Pole/Single Throw Switch in Raised and Recessed Slides
Note:
1
2
3
4
5
6
7
8
9 10
O
N
Recessed slides have a dimple for
tool actuation. For recessed slides,
the .295 dimension does not apply.
.380 ± .010
(9,65 ± 0,25)
1
2
O
N
.380 ± .010
(9,65 ± 0,25)
SEE ORDERING
INFORMATION
SEE ORDERING
INFORMATION
.070 (1,78) REF.
.060 ± .002 (1,52 ± 0,05)
DIM. B
DIM. B
± .002
(± 0,05)
2PST = .100 (2,54
3PST = .200 (5,08)
4PST = .300 (7,62)
.295 + .000 –.020
(7,49 –0,51)
A
.020
± .002
(0,51
± 0,05)
.156 + .015 –.010
(3,96 + 0,38 –0,25) TYP.
.020 ± .002 (0,51 ± 0,05)
.090 ± .005 (2,29 ± 0,13)
.100 ± .005 (2,5 ± 0,13)
A = .245 + .000 –.020
.050 ± .005
(1,27 ± 0,13)
TYP.
(6,22 + 0,51)
.180 ± .010 (4,57 ± 0,25)
.012 ± .001 (0,30 ± 0,03)
.020 ± .002 (0,51 ± 0,05)
.090 ± .005 (2,29 ± 0,13)
.100 ± .005 (2,5 ± 0,13)
C
L
C
L
.300 + .030 –.000
(7,62 + 0,76)
C
C
L
L
C
C
L
L
CIRCUITRY
ORDERING INFORMATION
No. of
Circuitry Positions
Length
Inches
Length
Metric
No./
Tube
Raised
Slides*
Recessed
Slides*
Single Pole/Single Throw Switch
1 2 3 4
1 2 3 4
2
3
4
5
6
7
8
9
10
12
0.280"
0.380"
0.480"
0.580"
0.680"
0.780"
0.880"
0.980"
1.080"
1.280"
7,1mm
9,7mm
35
27
21
18
15
13
12
10
9
78B02
78B03
78B04
78B05
78B06
78B07
78B08
78B09
78B10
78B12
78RB02
78RB03
78RB04
78RB05
78RB06
78RB07
78RB08
78RB09
78RB10
78RB12
O
N
O
N
12,2mm
14,7mm
17,3mm
19,8mm
22,4mm
24,9mm
27,4mm
32,5mm
SPST
8
TypicalMultiple
Pole Switch
TypicalCircuit
Diagram
1
2
3
4
5
6
0.280"
0.480"
0.680"
0.880"
1.080"
1.280"
7,1mm
12,2mm
17,3mm
22,4mm
27,4mm
32,5mm
35
21
15
12
9
78F01
78F02
78F03
78F04
78F05
78F06
1
1
2PST
O
N
O
N
Recessed
Slides
NotAvailable
8
1
2
3
0.380"
0.680"
0.980"
9,7mm
17,3mm
24,9mm
27
15
10
78G01
78G02
78G03
3PST
4PST
1
2
0.480"
0.880"
12,2mm
22,4mm
21
12
78H01
78H02
For switches with 5, 6, 7, 8, or 10PST circuitry,
contactGrayhill.
AvailablefromyourlocalGrayhillDistributor.
For prices and discounts, contact a local Sales
Office,anauthorizedlocalDistributororGrayhill.
ADDITIONAL INFORMATION
For Specifications see page B-14.
For other Options and Accessories, see page
B-20.
*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" to
the Grayhill part number.
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-11