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Thru-Hole DIP Switches
SERIES 76 and 78
SPDT
FEATURES * Raised and Recessed Rocker, and Toggle Actuated Styles * SPDT with a Common Pole, or SPDT with 2 Isolated Circuits * Spring and Ball Contact * Top Tape Seal Option for Most Styles
DIP Switches
DIMENSIONS: Series 76
Series 76 Raised Rocker
.380 .010 (9,65 0,25)
1 C1 2
In inches (and millimeters) Toggle-DIP
.447 .015 (11,35 0,38) TYP.
CIRCUITRY: Series 76
SPDT with Common True Form C Switching
.380 .010 (9,65 0,25)
C2
A = .247 .010 (6,27 0,25) .295 + .000 -.020 (7,49 -0,51)
1 C1
2
1 C1
2
.020 + .005 -.000 (0,51 + 0,13)
A
C2
C2
1 C1
.050 .005 (1,27 0,13)
.020 .002 (0,51 0,05) TYP. .090 .005 (2,29 0,13) TYP. .100 .005 (2,54 0,13) TYP.
.156 + .015 -.010 (3,96 + 0,38 -0,25)
Recessed Rocker
1 C1
.180 .010 (4,57 0,25)
C L
C L
.012 .001 (0,30 0,03) .300 + .030 -.000 (7,62 + 0,76)
.247 .010 (6,27 0,25)
DIMENSIONS: Series 78
Series 78 Slide
0.380 .005 (9,65 0,13) 1 2 3 4 5
In inches (and millimeters)
CIRCUITRY: Series 78
SPDT, 2 Circuits (No Commons) Dot on cover indicates active terminal when slide is on that side of switch. Contact is made with terminal on opposite side.
.070 (1,78) REF. .295 + .000 -.020 (7,49 -0,51)
DIM. A SEE CHART .100 .002 (2,54 0,05)
1
1
.020 .002 (0,51 0,05)
.020 .002 (0,51 0,05) TYP. .090 .005 (2,29 0,13) TYP. .100 .005 (2,54 0,13) TYP.
CC LL
A
.156 + .015 -.010 (3,96 + 0,38 -0,25) TYP. A = .245 + .000 -.020 (6,22 + 0,51) .180 .010 (4,57 0,25) .012 .001 (0,30 0,03) .300 + .030 -.000 (7,62 + 0,76)
.050 .005 (1,27 0,13) TYP.
C L
C L
To create common poles, tie together 2 adjoining terminals on 1 (either) side of switch.
ORDERING INFORMATION
Circuitry SPDT Form C SPDT 2 Circuits Positions Length Inches 2 3 4 1 2 3 4 5 6 0.380" 0.580" 0.780" 0.280" 0.480" 0.680" 0.880" 1.080" 1.280" Length Metric 9,7mm 14,7mm 19,8mm 7,1mm 12,2mm 17,3mm 22,4mm 27,4mm 32.5mm No./ Tube 27 18 13 35 21 15 12 9 8 Raised Type* 76SC02 76SC03 76SC04 78J01 78J02 78J03 78J04 78J05 78J06 Recessed Rockers* 76RSC02 76RSC03 76RSC04 -- -- -- -- -- ToggleDIP* 76STC02 76STC03 76STC04 -- -- -- -- --
ADDITIONAL INFORMATION
For Specifications, see page B-16. For Options and Accessories, see pages B-20 and B-21. Available from your local Grayhill Distributor. For prices and discounts, contact a local Sales Office, an authorized local Distributor or Grayhill.
*To order top seal versions, add "S" to the Grayhill part number. Not available on Toggle-DIP.
Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois 60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com
B-14
Thru-Hole DIP Switches
SPECIFICATIONS: Standard and Military Qualified Styles
Ratings
Mechanical Life: Operations per switch position Make-and-break Current Rating: Operations per switch position at these resistive loads 1 mA, 5 Vdc; 50 mA, 30 Vdc; or 150 mA, 30 Vdc: 10 mA, 30 Vdc; or 10 mA, 50 mVdc: 10 mA, 50 mVdc; or 25 mA, 24 Vdc; or 100 mA, 6 Vdc: Contact Resistance: Initially: After life, at 10 mA, 50 mVdc, open circuit: Insulation Resistance: Minimum, at 100 Vdc between adjacent closed contacts and also across open switch contacts Initially (Mohms): After life (Mohms): Dielectric Strength: Minimum voltage (AC, RMS) measured between adjacent closed contacts and also across open switch contacts. lnitially: After life: Current Carry Rating: Maximum rise of 20C Switch Capacitance: At 1 megahertz Operating Temperature Range: Storage Temperature Range:
76
20,000
78
20,000
90B
5,000
10,000 -- -- 30 m 100 m
10,000 -- -- 30 m 100 m
-- 2,000 2,000
DIP Switches
20 m 100 m
5,000 1,000
5,000 1,000
5,000 1,000
750 V 500 V 5A 2 pF -40C to + 85C -55C to + 85C
750 V 500 V 4A 2 pF -40C to + 85C -55C to + 85C
500 V 500 V 3A 2 pF -40C to + 85C -55C to + 85C
Mechanical Ratings
Vibration Resistance: Per Method 204, Test Condition B, 1 mS opening (10 mS allowed) Mechanical Shock: Per Method 213, Test Condition A. 1 mS opening (10 mS allowed) Thermal Shock Resistance: Per specification; no failures; passes contact resistance. Terminal Strength: Per specification Thermal Aging: 1,000 hours at 85C; no failures.
Soldering Information
Series 90 MIDIP(R) and Series 76 recessed rocker (76RSB style) sealed switches have been tested to EIA Standard RS-448-2. Similar performance can be expected from other sealed Series 76 and 78 DIP switches. Solderability: Per MIL-STD-202, Method 208 Resistance to Soldering Heat: 76RSB: Passes EIA Standard using two, four, and six second soldering time. 90: Per MIL-S-83504, six second test. Fluxing: Per EIA RS-448-2 with flux touching switch body. Cleaning: 76RSB, 90: Passes immersion test using water/detergent. Acceptable solutions include 1-1-1 trichlorethane, freon, (TF, TE, or TMS), isopropyl alcohol, detergent (140F maximum). Terpene acceptable for Series 90 only. Solutions which are not recommended include acetone, methylene chloride, freon TMC.
Materials and Finishes
Shorting Member (Ball): Brass, gold-plated 10 microinches minimum over nickel barrier. Base Contacts: Copper alloy, gold-plated 10 microinches minimum over nickel barrier. Terminals: Copper alloy, solder-plated over nickel barrier. Non-Conductive Parts: Thermoplastic (UL94V-O) Potting Material: Epoxy, 76,78 only. Protective Cover: 76,78, only-Polycarbonate.
Environmental Ratings
Meets all requirements of MIL- S-83504. Where Grayhill performance is superior, the MIL spec is listed in parentheses. Moisture Resistance: Per specification, Method 106.
Tape and Reel Packaging
Tape Seal: 76, 78: Polyester film 90: Polyimide film or foil Tape Seal Integrity: Passes gross leak test using 125C flourinert for 20 seconds minimum. Reference MIL-STD-202, Method 112.
Grayhill, Inc. * 561 Hillgrove Avenue * LaGrange, Illinois 60525-5997 * USA * Phone: 708-354-1040 * Fax: 708-354-2820 * www.grayhill.com
B-16

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