79B10T Grayhill Inc, 79B10T Datasheet

79B10T

Manufacturer Part Number

79B10T

Description

DIP Switch, Code Switch, Decimal, 10 Position, RoHS Compliant

Manufacturer

Grayhill Inc

Datasheet

1.79B10ST.pdf (1 pages)

Specifications of 79B10T

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

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

DIMENSIONS

SERIES 79B

Linear Action, Coded Output

FEATURES

• Reliable Switching, Positive Detent

• Codes in BCD and Hexadecimal

• True Zero Output

• 10 or 16 Positions

• 2000 Cycle Life

• Up to 60,000 Detent Operations

SPECIFICATIONS

Electrical Ratings

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

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

Vdc; 2,000 cycles at 50 mA, 30 Vdc.

Contact Resistance: 100 mohms maximum

after life, measured at 10 mA dc and 50 mV

(open circuit). Initial values are 60 mohms

maximum for coded switches, and 50 mohms

for other linear action switches.

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

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.

All dimensions not shown here are the same as those on the facing page.

Number of Positions

0 1 2 3 4 5 6 7 8 9

SEE NOTE A

C L

0 1 2

C L

.240 ± .005

(6.10 ± 0,13)

TYP.

In inches (and millimeters)

.100 ± .005

(2,54 ± 0,13)

TYP.

NOTE A: All terminals on this side of the switch are bussed internally.

Any one of them may be used as the common terminal.

C L C L

Type of Circuit Code

Binary Code Decimal

Hexadecimal

.100 ± .005

(2,54 ± 0,13)

TYP.

0 1 2 3 4 5 6 7 8 9 A B C D E F

contact temperature rise of 20°C.

Mechanical Ratings

Mechanical Life: 4,000 cycles maximum. Note:

a cycle is one complete operation, back and

forth through all switch positions.

Vibration Resistance: 10 to 2,000 Hz at 15G 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 Range: -40°C to +85°C

Storage Temperature Range: -55°C to +85°C

Moisture Resistance: 240 hours with

temperature cycling and polarization, per MIL-

STD-202F, Method 305

0 1 2

SEE NOTE A

C L

Number per Tube

.390 ± .005

(9,91 ± 0,13)

.100 ± .005

(2,54 ± 0,13)

TYP.

C L C L

.100 ± .005

(2,54 ± 0,13)

TYP.

Part Number*

79B10T

79B16T

.490

± .005

(12,45

± 0,13)

Thru-Hole DIP Switches

CIRCUITRY

Materials and Finishes

Nonconductive Parts: Plastic UL94V-O

Shorting Arm: Phosphor bronze, gold plate

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 film

Available from your local Grayhill Distributor.

For prices and discounts, contact a local Sales

Office, an authorized local Distributor or Grayhill.

Dot indicates contact made between

contact and output terminal.

TERMINAL LOCATIONS

0 1 2 4 8 0 1 2 4 8

BINARY CODES

D I P

1 6

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