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8551MZQE3 PDF预览

8551MZQE3

更新时间： 2024-11-02 14:49:47
品牌 Logo 应用领域
力特 - LITTELFUSE /
页数 文件大小 规格书
5页 778K
描述
Subminiature Pushbutton Switches

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中文翻译

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8551MZQE3 数据手册

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8500 Series  
Subminiature Pushbutton Switches  
Features/Benefits  
Typical Applications  
A
•
Pre-travel or over-travel models  
available  
•
•
Detection  
Telecommunications and  
networking equipment  
•
•
•
Ratings up to 3 AMPS  
Reliable contact design  
RoHS compliant  
•
Computers and peripherals  
Models Available  
Specifications  
Materials  
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.  
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.  
ELECTRICAL LIFE:  
BUSHING: Brass, nickel plated.  
853X MODELS: 250,000 actuations at full load.  
855X MODELS: 10,000 actuations at full load.  
CONTACTS: Q contact material: Coin silver, silver plated. See page  
A-65 for additional contact materials.  
CONTACT RESISTANCE: Below 30 mΩ typ. initial @  
2-4 V DC, 100 mA, for both silver and gold plated contacts.  
TERMINALS: Q contact material: Copper alloy, silver plated. See page  
A-65 for additional contact materials.  
9
INSULATION RESISTANCE: 10 Ω min.  
TERMINAL SEAL: Epoxy.  
DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.  
OPERATING TEMPERATURE: –30ºC to 65ºC.  
HARDWARE: Nut: Brass, nickel plated; Lockwasher: Steel, bright  
nickel plated.  
TORQUE SPECS: T, T1 15/32” bushings - 50 in. lbs max.  
All other 1/4 -40 bushing types 12 in. lbs max.  
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.  
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  
Terminations  
Solder lug  
AV*Right angle, PC thru-hole  
PC Thru-hole  
S
T
.210” high  
15/32 bushing  
Z
T1 15/32 bushing with frame  
C
(8532 and 8534 only)  
Contact Material  
Q
B
G
Silver  
Gold  
Gold over silver  
Seal  
E
Epoxy  
D
No epoxy seal  
Cap or Plunger Color  
* Available with M or S plunger models, and B contact material only.  
2
1
3
9
Black  
White  
Red  
Frame Color  
Black  
NONE Models without frame  
Gray  
2
Dimensions are shown: Inches (mm)  
Specifications and dimensions subject to change  
www.ckswitches.com  
A-62  
12345

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