79A10T

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

DIP Switches

SERIES 79A

Linear Action Circuit Selector

SERIES 79C

Linear Action Tap

FEATURES

•Single-SettingProgramming

Eachpositionisasingleisolatedcircuit,which

connects the twoterminals across the switch

package.Themovablecontactisnon-shorting.

All contacts on one side of the switch are

internallybussedforacommonpole.Anyterminal

on that side maybeusedasacommon,the

othersmaybeclipped.Themovablecontactis

non-shorting.

CIRCUITRY

SPECIFICATIONS

Electrical Ratings

Make-and-break Current Rating:2,000cycles

at10mA,50mVdc;2,000cyclesat125mA,6

Betweenadjacentisolatedcontacts:

Initial:5,000Mohms;1,000Mohmsminimum

afterlife.Acrossopencontacts:Initial:5,000

Mohms;1,000Mohmsminimumafterlife.

Dielectric Strength:Betweenadjacentisolated

contactsandalsoacrossopencontacts.Initially:

750Vac:500Vacafterlife

Contact Carry Rating:2Ampswithamaximum

contacttemperatureriseof20°C

Mechanical Ratings

damageandnocontactopeningsexceeding10

mS(Method204,TestConditionB).

Shock Resistance:509,11mS,halfsine;no

damage and no openings exceeding 10 mS

(Method213,TestConditionA).

Environmental Rating

Operating Temperature:-40°Cto+85°C

Storage Temperature:-55°Cto+85°C

Moisture Resistance: 240 hours with

temperaturecyclingandpolarization,perMIL-

nickelplate

Terminals:Copperalloy,mattetinplatedover

nickelbarrier.

Potting Material:Epoxy

Tape and Seal Packaging

Seal Strength: PerMIL-STD-202,Method112.

30secondsat125°hotFluorocarbon

Solderability:PerMIL-STD-202,Method208.

Tape Seal:Polyesterlm

Available from your local Gray hi ll

Number of Positions Type of Circuit Code Number per Tube Part Number*

 10 CircuitSelector 9 79A10T

 10 SinglePole 9 79C10T

ORDERING INFORMATION

*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.

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

•TrueZeroOutput

•10Positions

•2000CycleLife

•Upto60,000DetentOperations

•RoHsCompliant

DIMENSIONS Ininches(andmillimeters)

CIRCUITRY

SPECIFICATIONS

Electrical Ratings

Make-and-break Current Rating:2,000cycles

Insulation Resistance (at 100 Vdc):

Betweenadjacentisolatedcontacts:Initial:

5,000Mohmsminimum;AfterLife:1,000

Mohmsminimum

Acrossopencontacts:Initial:5,000Mohms

minimum;AfterLife:1,000Mohmsminimum

Dielectric Strength:Betweenadjacentisolated

contactsandacrossopencontacts.Initial:750

Vac;AfterLife:500Vac

Contact Carry Rating:2ampswithamaximum

or0.060"doubleamplitude;nodamageandno

contact openings exceeding 10 mS (Method

204,TestConditionB).

Shock Resistance: 509, 11 mS, half sine;

no damage and no openings exceeding 10

microseconds(Method213,TestConditionA).

Environmental Ratings

RefertoMIL-STD-202FperMIL-S-83504

Operating Temperature:-40°Cto+85°C

Storage Temperature:-55°Cto+85°C

overnickelplate

Base Contacts:Copperalloy,goldplateover

nickelplate

Terminals:Copperalloy,mattetinplatedover

nickelbarrier

Potting Material:Epoxy

Tape Seal and Packaging

Tape Seal:Polyesterlm

*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.