Standard Keypads
SPECIFICATIONS
Dome Contacts Rating Criteria
Rating at 24 Vdc:10
mA resistive (max)
Contact Bounce:
4 milliseconds maximum at
make; 10 milliseconds maximum at break
Contact Resistance:
10 ohms maximum
Voltage Breakdown:
250 V
Life Expectancy:
3 million operations/button
Insulation Resistance:
1000 MegOhms min.
Rubber Contacts Rating Criteria
Rating at 24 Vdc:
5 mA for .5 seconds
Contact Bounce:
less than 12 milliseconds
Contact Resistance:
less than 100 ohms initial
Voltage Breakdown:
250 VAC between
components
Life Expectancy:
3 million operations/button
Insulation Resistance:
>10 Ohms @500 VDC
Materials and Finishes
PC Board:
FR-4 Glass Cloth Epoxy
Dome Retainer/Rear Seal Sheet:
Polyester
Housing/Buttons:
Aluminum Alloy
Keypad/Gasket:
Black Flourosilicone Rubber,
50 Durometer
+
5
Domes:
Stainless Steel
Connector/Header:
Glass Filled Polyester
Terminals:
Gold Plated, Phosphor Bronze
Dome Contacts Operating Features
Pre-Travel:
0.030" minimum
Operating Force:
20
+
4 ounces
Operating Temperature:
-55°C to 85°C
Humidity:
0 to 98% (no condensation)
Keyboards and Keypads
Rubber Contacts Operating Features
Pre-Travel:
0.050" minimum
Operating Force:
175
+
40 grams
Operating Temperature:
-55°C to 85°C
Humidity:
0 to 98% (no condensation)
STANDARD LEGENDS
Available through Grayhill Distributors
To order one of the configurations below, use the dash number shown here; select the
keypad size and code, and order the part number with the appropriate legend dash number.
-112
-014
-000
-000
HEADER CONNECTORS
Compatible with: Samtec, Inc.
Header Series
BCS, BSW, CES, ESW, ESQ, SLW, SSW, SSQ,
IDSS and IDSD or equivalent.
ORDERING INFORMATION
Grayhill Series Number
Size Option:
A = 3x4; B = 4x4
Circuitry Option
B2 = Matrix in-line pins
C2 = Single pole/common bus, in-line pins
84R-AB2-112-PD
Key Contact Option
D = Metal Domes; R = Conductive Rubber
Connector Option
P = Terminal Pins; C = Locking Connector
Standard Legend Choices
3x4 Size = -112; 4x4 Size = -014; Blank = -000
AVAILABILITY
For prices and discounts, contact a local Sales
Office, an authorized local Distributor or Grayhill.
CUSTOM LEGENDS
Custom keytop graphics are available. Contact
a local Sales Office or Grayhill directly to enquire
about minimum requirements and costs.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
GRAYHILL [ GRAYHILL, INC ]
