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  • 參數(shù)資料
    型號: 8421SHABE22
    廠商: ITT Corporation
    英文描述: Snap-acting Momentary Pushbutton Switches
    中文描述: 單元式作用瞬時按鍵開關
    文件頁數(shù): 1/17頁
    文件大?。?/td> 2094K
    代理商: 8421SHABE22
    A–27
    Dimensions are shown: Inches (mm)
    Specifications and dimensions subject to change
    www.ittcannon.com
    A
    P
    C&K 8020 Series
    Snap-acting Momentary Pushbutton Switches
    Features/Benefits
    Positive tactile feel
    Multi-positions available
    Wide variety of termination options
    Epoxy terminal seal compatible with
    bottom wash cleaning
    RoHS complient models available
    Typical Applications
    Instrumentation
    Computer peripherals
    Telecommunications equipment
    Specifications
    CONTACT RATING: B contact material (8X25 Models): 0.4 VA max.
    @ 20 V AC or DC maximum. G contact material (8X21, U8X1
    Models): 1 AMP @ 120 V AC or 28 V DC or 0.4 VA max. @ 20 V
    AC or DC max. Note: Break-before-makecontacts. Multi-pole
    contacts do not make and break simultaneously. See page A-41
    for additional ratings.
    ELECTRICAL LIFE: 60,000 make-and-break cycles at full load.
    CONTACT RESISTANCE: Below 50 m
    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: 8X2X MODELS: –30oC to 75oC.
    U8X1 MODELS: –30oC to 65oC.
    CAP INSTALLATION FORCE: 10 lbs. max. permissible.
    SOLDERABILITY: Per MIL-STD-202F method 208D, or EIA RS-186E
    method 9 (1 hour steam aging).
    NOTE:
    Any models supplied with B, P, R, 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 nylon 6/6 or diallyl phthalate (DAP),
    flame retardant (UL 94V-0).
    PLUNGER: Glass filled nylon or glass filled polyester (PBT) (UL 94V-0).
    CAP & FRAME: Nylon, black, standard.
    BUSHING: Brass or zinc, nickel plated.
    HOUSING: Stainless steel.
    SWITCH SUPPORT: Brass or steel, matte-tin plated.
    N.O. & N.C. CONTACTS: 8X21, U8X1 MODELS: G contact material:
    Coin silver, with gold plate over nickel plate. See page A-41 for
    additional contact materials.
    8X25 MODELS: B contact material: Copper alloy, with gold plate
    over nickel plate. See page A-41 for additional contact materials.
    COMMON CONTACT & ALL TERMINALS: Copper alloy, with gold
    plate over nickel plate.
    TERMINAL SEAL: Epoxy. Refer to slodering and cleaning
    Technical Data Chapter.
    HARDWARE: Nut & Locking Ring: Brass, nickel plated;
    Lockwasher: Steel, 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-28 thru A-43. 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
    8121
    SPDT On-Mom. 1 Amp
    8125
    SPDT On-Mom. 0.4VA
    8221
    DPDT On-Mom. 1 Amp
    8225
    DPDT On-Mom. 0.4VA
    8321
    3PDT On-Mom. 1 Amp
    8325
    3PDT On-Mom. 0.4VA
    8421
    4PDT On-Mom. 1 Amp
    8425
    4PDT On-Mom. 0.4VA
    Note:
    UL/CSA models
    available, see page A-28
    and A-29.
    Actuator or Plunger
    S
    Plunger
    NONE
    Snap-in
    J80
    Snap-in
    J81
    Snap-in w/frame
    J82
    Snap-in w/frame for LED
    J83
    Snap-in w/frame &
    flush cap
    J84
    Snap-in w/frame for LED,
    flush cap
    J85
    Snap-in w/frame & LED
    J95
    PC w/V-bracket & LED
    L
    Plunger
    M
    Snap-fitting plunger
    Bushing
    D9
    .280" high, keyway
    H
    .250" high, flat
    NONE
    No bushing
    choice required
    D
    .280" high, keyway
    D2
    .288" high, flat
    D3
    .180" high
    D8
    .288" high, flat
    H9
    .250" high, flat, hi torque
    Y
    .350" high, keyway
    Y3
    6.35mm high,
    keyway,hi torque
    Y4
    .378" high, flat, hi torque
    Y9
    .350" high, keyway
    Contact Material
    B
    Gold
    K
    Gold, tin-lead
    P
    Gold, matte-tin
    G
    Gold over silver
    L
    Gold over silver, tin-lead
    R
    Gold over silver,
    matte-tin
    Seal
    E
    Epoxy
    I
    Epoxy potted
    base
    Cap Color
    2
    NONE
    Models
    Black
    without caps
    White
    Red
    1
    3
    4
    5
    6
    7
    9
    Orange
    Yellow
    Green
    Blue
    Gray
    Frame Color
    2
    Black
    NONE
    Models
    without frame
    1
    White
    3
    Red
    5
    Yellow
    6
    Green
    9
    Gray
    LED Color
    3
    Red
    NONE
    Models
    without LED
    5
    Yellow
    6
    Green
    Models Available
    Terminations
    A
    Right angle, PC thru-hole
    AV2
    Vertical right angle, PC thru-hole
    C
    PC Thru-hole
    Z
    Solder lug
    A2
    Right angle, PC thru-hole
    A3
    Right angle, snap-in, PC thru-hole
    A4
    Right angle, PC thru-hole, reversed terminals
    A6
    Right angle, PC thru-hole
    AV
    Vertical right angle, PC thru-hole
    AV1
    Vertical right angle, PC thru-hole
    AV3
    Vertical right angle, snap-in, PC thru-hole
    R
    Right angle with PCB
    R2
    Right angle with PCB, reversed terminals
    V2
    .555" high,V-bracket
    V3
    .460" high,V-bracket
    V4
    .630" high,V-bracket
    V6
    .460" high,V-bracket
    V7
    .630" high,V-bracket
    V8
    .953" high,V-bracket
    V9
    1.150" high,V-bracket
    V31
    .460" high, snap-in V-bracket
    V61
    .460" high, snap-in V-bracket
    W
    .750" long, wire wrap
    W1
    .964" long, wire wrap
    W3
    .425" long, wire wrap
    W4
    1.062" long, wire wrap
    Z3
    Quick connect
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