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8551MZQE22

Description
Subminiature Pushbutton Switches
Categoryunclassified   
File Size359KB,5 Pages
ManufacturerITT
Websitehttp://www.ittcannon.com/
Download Datasheet View All

8551MZQE22 Overview

Subminiature Pushbutton Switches

C&K 8500 Series
Subminiature Pushbutton Switches
A
Pushbutton
Features/Benefits
Pre-travel or over-travel models
available
Ratings up to 3 AMPS
Reliable contact design
RoHS compliant
Typical Applications
Detection
Telecommunications and
networking equipment
Computers and peripherals
Models Available
Specifications
CONTACT RATING: Q contact material (853X Models): 1 AMP @
120 V AC or 28 V DC; (855X Models): 3 AMPS @ 120 V AC or
28 V DC. See page A-63 for additional ratings.
ELECTRICAL LIFE:
853X MODELS: 250,000 actuations at full load.
855X MODELS: 10,000 actuations at full load.
CONTACT RESISTANCE: Below 30 mΩ typ. initial @
2-4 V DC, 100 mA, for both silver and gold plated contacts.
INSULATION RESISTANCE: 109
min.
DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.
OPERATING TEMPERATURE: –30ºC to 65ºC.
NOTE:
Any models supplied with Q, B or G contact material are RoHS compliant. For the
latest information regarding RoHS compliance, please go to: www.ittcannon.com/rohs.
NOTE:
Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
Materials
CASE: Glass filled phenolic or diallyl phthalate (DAP) (UL 94V-0).
PLUNGER: Phenolic or glass filled polyester, black standard(UL94V-0).
CAP & FRAME: Nylon, black, standard.
BUSHING: Brass, nickel plated.
CONTACTS: Q contact material: Coin silver, silver plated. See page
A-63 for additional contact materials.
TERMINALS: Q contact material: Copper alloy, silver plated. See page
A-63 for additional contact materials.
TERMINAL SEAL: Epoxy.
HARDWARE: Nut: Brass, nickel plated; Lockwasher: Steel, bright
nickel plated.
Build-A-Switch
To order, simply select desired option from each category and place in the appropriate box. Available options are shown
and described on pages A-61 thru A-64. For additional options not shown in catalog, consult Customer Service Center. All
models have epoxy terminal seal and are compatible with all “bottom-wash” PCB cleaning methods.
Switch Function
8531
SPST Off-Mom. 1 Amp
8532
SPST Off-Mom. 1 Amp
8533
SPST On-Mom. 1 Amp
8534
SPST On-Mom. 1 Amp
8551
SPST Off-Mom. 3 Amps
8552
SPST Off-Mom. 3 Amps
Actuator or Plunger
M
.150" high
J81
Snap-in with frame
J82
Snap-in with frame for LED
S
.210" high
T
15/32 bushing
T1
15/32 bushing with frame
(8532 and 8534 only)
Terminations
Z
Solder lug
AV
Right angle, PC thru-hole
C
PC Thru-hole
Contact Material
Q
Silver
B
Gold
Seal
G
Gold over silver
E
Epoxy
D
No epoxy seal
Cap or Plunger Color
2
Black
1
White
Frame Color
3
Red
2
Black
9
Gray
NONE
Models without frame
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A–60
www.ittcannon.com
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