Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com

Thru-Hole DIP Switches

SERIES 78

SPST To 4PST Slide

OPEN

CLOSED

Series

90HBW

90B

76

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.

Typical Multiple

Pole Switch

Typical Circuit

Diagram

1

O

N

1

O

N

No. of

Length

Length

No./

Raised

Recessed

Circuitry Positions

Inches

Metric

Tube

Slides*

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

T

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

Single Pole/Single Throw Switch in Raised and Recessed Slides

Note:

Recessed slides have a dimple for

tool actuation. For recessed slides,

the .295 dimension does not apply.

Double Pole/Single Throw and Typical

Multiple Pole Switch with Raised Slides

2

1

O

N

.380 ± .010

(9,65 ± 0,25)

SEE ORDERING

INFORMATION

CL CL

DIM. B

± .002

(± 0,05)

.020 ± .002 (0,51 ± 0,05)

.090 ± .005 (2,29 ± 0,13)

.100 ± .005 (2,5 ± 0,13)

2PST = .100 (2,54

3PST = .200 (5,08)

4PST = .300 (7,62)

=

2

13 45 67 89 10

O

N

.380 ± .010

(9,65 ± 0,25)

SEE ORDERING

INFORMATION

CL CL

.060 ± .002 (1,52 ± 0,05)

.020 ± .002 (0,51 ± 0,05)

.090 ± .005 (2,29 ± 0,13)

.100 ± .005 (2,5 ± 0,13)

CL

CL

.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)

*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.

Available from your local Grayhill Distributor.

For prices and discounts, contact a local Sales

Office, an authorized local Distributor or Grayhill.

12

34

5

SEE ORDERING

INFORMATION