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: 109Ω 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
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C&K 8500 Series Subminiature Pushbutton Switches
SWITCH FUNCTION
SWITCH FUNCTION POS. 1 POS. 2
A Pushbutton
NO. POLES
MODEL NO.
RATING 1 AMP OFF MOM.
TOTAL TRAVEL
ACTUATION FORCE
SCHEMATIC
8531
SP
.095 (2,41) TYP.
8551
3 AMPS
with overtravel .042 (1,07) TYP.
7.7 oz (220g) TYP.
N.O. with overtravel
SPST
Part number shown: 8531MZQE2
8532
SP
1 AMP OFF MOM. .050 (1,27) TYP. 6 oz (170g) TYP. N.O. 3 AMPS
8552
SPST
Part number shown: 8532MZQE2
8533
SP
1 AMP 1 AMP
ON ON
MOM. MOM.
.080 (2,03) TYP. .032 (0,81) TYP.
with pretravel .057 (1,45) TYP. with overtravel .028 (0,71) TYP.
11.5 oz (456 g) TYP. 10.3 oz (282g) TYP.
N.C. with pretravel N.C. woth overtravel
8534
SPST
Part number shown: 8533MZQE2 MOM. = Momentary All models with all options when ordered with G or Q contact material.
Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change
A–61
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C&K 8500 Series Subminiature Pushbutton Switches
PLUNGER COLOR
A Pushbutton
M
.150" HIGH PLUNGER
PLUNGER
ACTUATOR OR PLUNGER
S
.210" HIGH PLUNGER
PANEL MOUNTING OPTION CODE PLUNGER COLOR BLACK RED
2 3
NOTE: One mounting nut and lockwasher supplied with all actuators (except T actuator: two nuts supplied).
CAP COLOR
ACTUATOR
ACTUATOR OR PLUNGER
T
15/32 BUSHING
PANEL MOUNTING
OPTION CODE NOTE: No frame color choice required.
CAP COLOR BLACK WHITE RED GRAY
2 1 3 9
T1
15/32 BUSHING WITH FRAME
Cap Finish: gloss. Other colors available, consult Customer Service Center. One mounting nut and lockwasher supplied with all actuators (except T actuator: two nuts supplied). NOTE: No frame color choice required. Available with 8532 and 8534 models only. NOTE: Caps available for plunger options, see page A-63.
CAP COLOR
ACTUATOR—SNAP-IN FRONT MOUNT
ACTUATOR OR PLUNGER FRAME COLOR
J81
SNAP-IN WITH FRAME
OPTION CODE
CAP AND FRAME COLOR BLACK
2
Cap and Frame Finish: matte. Other colors available, consult Customer Service Center. One mounting nut and lockwasher supplied with all actuators. NOTE: Caps & frames available separately, see pages A-63 and A-64.
J82
SNAP-IN WITH FRAME FOR LED
NOTE: LED snaps securely into frame. Height depends on LED used.
LED not included. For LED information, see page A-64. Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change
A–62
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C&K 8500 Series Subminiature Pushbutton Switches
TERMINATIONS
Z
SOLDER LUG
A
C
PC THRU-HOLE
Pushbutton
PC MOUNTING
AV
RIGHT ANGLE, PC THRU-HOLE
MODEL NO. DIM. "X"
DIM “X”
8531, 8533, 8551
NOTE: Available with M or S plunger models only
0.500 0.438
8532, 8534, 8552
CONTACT MATERIAL
OPTION CODE RoHS COMPLIANT * YES RoHS COMPATIBLE * YES TERMINAL PLATING GOLD 1 SILVER 4 GOLD OVER SILVER 2 CONTACT MATERIAL GOLD SILVER 5 LOW LEVEL/DRY CIRCUIT RATINGS
B Q G
0.4 VA MAX. @ 20 V AC OR DC MAX. 853X MODELS: 1 AMP @ 120 V AC OR 28 V DC. 855X MODELS: 3 AMPS @ 120 V AC OR 28 V DC. 0.4 V MAX @20 V AC OR DC MAX. OR 853X MODELS: 1 AMP @ 120 V AC OR 28 V DC. 855X MODELS: 3 AMPS @120 V AC OR 28 V DC.
YES
YES
POWER LOW LEVEL/DRY CIRCUIT OR POWER
YES
YES
GOLD 3
* Note: See Technical Data section of this catalog for RoHS compliant and compatible definitions and specifications.
1 2 3 4 5
CONTACTS & TERMINALS: Copper alloy, with gold plate over nickel plate. CONTACTS: Coin silver, with gold plate over nickel plate. TERMINALS: Copper alloy, with gold plate over nickel plate. CONTACTS: Coin silver, silver plated. TERMINALS: Copper alloy, silver plated.
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. All models with all options when ordered with G or Q contact material.
Q contact material standard with C, Z terminations. 8551 & 8552 available with Q contact material only.
SEAL
E
EPOXY SEAL
AVAILABLE HARDWARE
Cap .331 DIA. (8,41È) .150 (3,81) FOR 267A .200 (5,08) FOR 8931 Cap, J80, J81 & J 82 options only Frame
.300 (7,62)
PART NO.
PART NO. WHITE BLACK RED GRAY
267A01000 267A02000 267A03000 267A09000
85X2T, 8534T models only Material: Nylon Finish: Gloss
893101000 893102000 893103000 893109000
WHITE BLACK RED GRAY
PART NO.
85X1T, 8532T1, 8533T, 8534T1 models only Material: Nylon Finish: Gloss
448901000 448902000 448903000 448909000
WHITE BLACK RED GRAY
PART NO.
613302263 BLACK
Material: Nylon Finish: Matte Third Angle Projection
Material: Nylon Finish: Gloss or matte Other colors available, consult Customer Service Center.
Dimensions are shown: Inches (mm) Specifications and dimensions subject to change
A–63
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C&K 8500 Series Subminiature Pushbutton Switches
A Pushbutton
Frame
AVAILABLE HARDWARE
PART NO.
615602263 BLACK
Material: Nylon Finish: Matte
NOTE: Additional nuts, locking rings and lockwashers available separately, see section “Technical Data and Additional Hardware”. Other colors available, consult Customer Service Center.
Frames snap into panel opening and are independent from switch mounting. Accurate positioning of the PC mounted switch relative to the panel opening is necessary to provide proper clearance between actuator and frame. Available in two basic styles and four panel thicknesses .047-.125 in. Material: Nylon. Finish: Matte.
TYPICAL APPLICATION
.047" (1,19) PANEL THK. PART NO.
.062" (1,57) PANEL THK. PART NO.
.090" (2,29) PANEL THK. PART NO.
.125" (3,18) PANEL THK. PART NO.
432502263
432602263
432702263
432802263 BLACK
Panel Inserts
Above frames (part nos. 432XXXXXX) are also available with insert which accepts LED for indicator light assembly. Order insert separately from frame. Blank insert panel (without hole for LED) also available. LED not included.
PANEL INSERT WITH HOLE FOR LED PART NO.
BLANK PANEL INSERT WITHOUT HOLE FOR LED PART NO.
894902000
476602000
BLACK
Special colors, custom markings available, consult Customer Service Center.
LED INFORMATION
Process Information: Soldering to LED leads must be completed within 5 seconds at 500ºF (260ºC) maximum. LEDs are not supplied with J82 option. LED snaps into switch frame surrounding actuator and is wired externally.
Flat denotes cathode. .200 DIA. (5,08˘)
.025 SQ. TYP. (0,63)
.230 DIA. (5,84˘)
.030 (0,76) .340 (8,64) Suggested LED for J82 option. Dimensions for reference only. .750 (19,05)
Third Angle Projection Dimensions are shown: Inches (mm) Specifications and dimensions subject to change
A–64
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