82-601-81 Grayhill Inc, 82-601-81 Datasheet - Page 5
Manufacturer Part Number
SWITCH, KEYPAD, 2X3, 100mA, 5V, PLASTIC
Specifications of 82-601-81
2 X 3
Contact Voltage Dc Nom
Contact Current Max
Panel Cutout Width
Panel Cutout Height
No. Of Keys
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Rating at 5 Vdc: 100 milliamps
Contact Resistance: 25 milliohms or less on a
Voltage Breakdown: 250 Vac between mutually
Insulation Resistance: 1,000 megaohms
Life Expectancy: 1,000,000 operations
Contact Bounce: 10 milliseconds or less for
the life of the switch
Operating Temperature: -40°C to 80°C
Materials and Finishes
Pin Contact: Brass, gold plate over nickel plate
For Unlighted Modules
In addition to standard white
legend on gray button, long-
wearing, molded-in legends are
available in white button with black
legend and white legend with red,
green or black buttons. Other
color combinations are possible.
Printed Legends (2 Styles)
Virtually anything which can be photographed
can be printed. Sturdy epoxy ink printing bonds
to the surface of the button. Standard printing
for the gray unlighted buttons is white; standard
printing for the translucent white buttons of the
lightable modules is black.
Top Surface Printing: Legend is applied directly
to top of button. Available on all standard,
Sub Surface Printing: Provides maximum wear
for printed surfaces. Available for lighted and
unlighted gray modules. Printed internal button
cap is protected by a clear outer cap.
Non-Legend, Lighted Modules
Standard lightable module configurations
without cap slot for insertable legend.
Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois
Two 6-button modules
form the keyset. White
telephone legend is
molded into a gray
button. SPST, 2PST,
from distributors, see
order special circuitry
Note: Limitations for legends differ with surface to be printed and actual characters. If your application exceeds the approximations
in the chart, contact Grayhill for more information.
* For top and sub-surface printed modules.
Spring Contact: Copper alloy, gold plate over
Housing: ABS plastic (gray)
Base: PPS plastic (black)
Return Spring: Tinned music wire
Other Parts: (By Module and Legend Style): For
unlighted module with molded legends or top
surface printed legends. Internal Button is acetal
and the Button is ABS plastic (gray).
For unlighted module with sub-surface printed
legends or insertable legends, Internal Button is
acetal; Internal Cap is ABS plastic (gray); and
Clear Cap is polycarbonate plastic. For lightable
modules, the Internal Button and the Clear Cap
are polycarbonate. The Internal Cap for gray
modules is acrylic; for the black modules, the
Internal Cap with window is polycarbonate.
Printed Type styles
The type style chart below illustrates type style
and approximate sizes and limits for button cap
legends; other sizes are also available. Limitations
for legends differ with type size and character.
Legends for lightable modules are further limited
by the size of the internal button and lighted area.
Grayhill's library includes many popular legends.
Contact Grayhill for complete information.
Insertable Legend Styles
Prototypes can look professional with insertable
legend modules. Just slip imprinted legend insert
through the slot of the clear button cap.
Available for each module style. Each sheet
contains commonly used symbols, terms, alpha
characters, and 0-19 in News Gothic Condensed
type on polyester film, ready to be cut and
inserted. Deadfront legends are invisible until lit.
White on Clear: For unlighted gray modules
Black on Clear: For lighted gray modules
Translucent White on Black: For black modules
Deadfront on Black: For black modules
60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
O P E R
For special lightable modules for higher
polycarbonate and housing is polyester.
Action: Momentary, wiping contact
Button Travel: 0.130" (3,30 mm) total travel
Overtravel: 0.080" nominal
Operating Force: 8 ± 3 ounces (depends on
number of poles.)
Series 82 Keyboard Modules have been
successfully tested for heat resistance to
soldering up to 260°C (500°F) for a maximum of
5 seconds. Careful flux cleaning is required
since the switch is not sealed. For applications
in excess of these limits or that require vapor
spray or immersion cleaning, contact Grayhill.
Besides the standard
gray and black housings,
you may order white,
beige or brown. Button
colors may also be
specially ordered. For
more information, see
Part No. 82AC2017-1
Part No. 82AC2050-1
Part No. 82AC2060
R E S E A R C H