Grayhill Pushbutton switches: Butt Contact 38H Series - Manual (Page 4)

Grayhill, Inc. • 561 Hillgrove Avenue • LaGrange, Illinois 60525-5997 • USA • Phone: 708-354-1040 • Fax: 708-354-2820 • www.grayhill.com
Pushbutton Switches
Sealed Surface Mount Subminiature Pushbutton Switches
SPeCiFiCatiOnS
rating Criteria
Operating Life: 30,000 make-and-break cycles
at full load
Contact rating (resistive load):
R Option: 0.4 VA maximum at 20 Vac or Vdc
maximum
Q & G Options: 1A max at 125 Vac or 28 Vdc
Contact resistance: 20 milliohms max initial
at 2-4 Vdc, 100 mA insulation resistance: 1000 megaohms
minimum
Voltage Breakdown: 1500 Vrms minimum at
sea level
Operating temperature: -30°C. to +85°C.
Materials and Finishes
Case: Glass Filled Nylon 4/6, UL94V-)
Plunger: Thermoplastic Polyester(UL 94V-0)
(with internal o-ring seal)
terminals: Copper alloy
Spring: Plated Music Wire
Contact System: Copper alloy
Switch Support: Brass, tin-plated
SerieS MOdeL nO. terMinatiOn COntaCt SeaL
SerieS 38H
OrderinG inFOrMatiOn
R = Copper
alloy, gold
plate over
nickel plate.
G = Copper
alloy, Gold
plate over
silver plate
Q = Copper
alloy, Silver
Plate
Options:
WSP8,
WSP9
(see models
for
switching
positions) Options:
M7, S6
(see
termination
options) T = Lead
Free and
RoHS
compliant
38H M7 r t WSP8
Sealed Sur-
face Mount
Subminiature
Pushbutton
Switches