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8700 Series
Overtravel Pushbutton Switches
A
Features/Benefits
? Extended pre-travel or over-travel
? Heavy-duty brass plunger
? Long electrical life — 100K cycles
? RoHS compliant
Typical Applications
? Telecommunications
? High end Instrumentation
? Medical & test equipment
? Detection
Specifications
CONTACT RATING: Q contact material: 1 AMP @
120 V AC or 28 V DC. See page A-76 for additional ratings.
ELECTRICAL LIFE: 100,000 actuations at full load.
CONTACT RESISTANCE: Below 30 m ? typ. Initial @
2-4 V DC, 100 mA.
INSULATION RESISTANCE: 103 ? min.
DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.
OPERATING TEMPERATURE: –30oC to 65oC.
NOTE: Any models supplied with Q, or B 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: Diallyl phthalate (DAP) (UL 94V-0).
PLUNGER:
8731 – .390" brass, nickel plated.
8732 – .390" PBT polyester, black.
BUSHING: brass, nickel plated.
CONTACTS: Q contact material: Coin silver, silver plated. See page
A-76 for additional contact materials.
TERMINALS: Q contact material: Copper alloy, silver plated. See page
A-76 for additional contact materials.
TERMINAL SEAL: Epoxy.
HARDWARE: Nut: Brass, nickel plated; lockwasher: Steel, bright nickel
plate. One mounting nut & lockwasher supplied with all switches.
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-75 and A-76. 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
8731 SPST Off-Mom.
8732 SPST Off-Mom.
Plunger
S
. 390" high, brass
S1 . 390" high, polyester
Bushing
H
.250" high
Terminations
Z Solder lug
Contact Material
Q Silver
B Gold
Seal
E Epoxy
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A-74
www.ck-components.com
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相关代理商/技术参数
785A03000 功能描述:开关配件 PUSHBUTTON SWITCH CAP T/R RoHS:否 制造商:C&K Components 类型:Cap 用于:Pushbutton Switches 设计目的:
785-B 功能描述:塑料硬件 .440 DIA .200 H DOME BLACK ADH BUMPER RoHS:否 制造商:3M Electronic Specialty 类型:Cylindrical Bumpers
785-C 功能描述:安装硬件 .440 DIA .200 H DOME CLR ADH BUMPER RoHS:否 制造商:Harwin 类型:SMT Cable Clip 材料:Phosphor Bronze 安装孔大小: 长度:5 mm 外径: 内径: 厚度: 电镀:Tin 螺纹大小:
785C-DISC-4-1/2X7/8-60 制造商:3M Electronic Products Division 功能描述:60440206526 25 PER PKG, 100 PER CASE
785C-DISC-5INX7/8IN-60 制造商:3M Electronic Products Division 功能描述:60440206534
785C-DISC-7INX7/8IN-50 制造商:3M Electronic Products Division 功能描述:60440206237
785RT 制造商:Littelfuse 功能描述:
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