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8551SZQD3

Description
PUSHBUTTON SWITCH, SPST, MOMENTARY, 3A, 28VDC, PANEL MOUNT-THREADED, ROHS COMPLIANT
CategoryMechanical and electronic products    switch   
File Size343KB,5 Pages
ManufacturerC&K
Environmental Compliance  
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8551SZQD3 Overview

PUSHBUTTON SWITCH, SPST, MOMENTARY, 3A, 28VDC, PANEL MOUNT-THREADED, ROHS COMPLIANT

8551SZQD3 Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerC&K
package instructionROHS COMPLIANT
Reach Compliance Codenot_compliant
ECCN codeEAR99
Actuator angle
Actuator colorRED
Actuator length0.21 inch
Actuator typePLUNGER
Other featuresROHS COMPLIANT
body height10.85 mm
Body length or diameter9.53 mm
Casing diameter0.25 inch
Nozzle length0.227 inch
Casing type1/4-40
center contact materialCOIN SILVER
Center contact platingSILVER
Contact (AC) maximum rated R load3A@120VAC
Maximum contact current (AC)3 A
Maximum contact current (DC)3 A
Contact (DC) maximum rated R load3A@28VDC
Contact functionOFF-(ON)
Contact resistance0.03 mΩ
contact timeSNAP ACTION
Maximum contact voltage (AC)120 V
Maximum contact voltage (DC)28 V
Dielectric withstand voltage1000VRMS V
Electrical life10000 Cycle(s)
End contact materialCOIN SILVER
End contact platingSILVER
Insulation resistance1000000000 Ω
JESD-609 codee4
Installation featuresPANEL MOUNT-THREADED
Maximum operating force2.16 N
Maximum operating temperature65 °C
Minimum operating temperature-30 °C
surface mountNO
Switch actionMOMENTARY
switch functionSPST
Switch typePUSHBUTTON SWITCH
Terminal surfaceSilver (Ag)
Terminal length0.22 inch
Terminal materialCOPPER ALLOY
Termination typeSOLDER
8500 Series
Subminiature Pushbutton Switches
A
Pushbutton
Features/Benefits
Pre-travel or over-travel models
available
Typical Applications
Detection
Telecommunications and
networking equipment
Computers and peripherals
Ratings up to 3 AMPS
Reliable contact design
RoHS compliant
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-65 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.
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-65 for additional contact materials.
TERMINALS: Q contact material: Copper alloy, silver plated. See page
A-65 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-63 thru A-66. 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
*
Available with M or S plunger models, and B contact material only.
A–62
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