A-29
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
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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 compliant 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-43
for additional ratings.
ELECTRICAL LIFE: 60,000 make-and-break cycles at full load.
CONTACT RESISTANCE: Below 50 mΩtyp. initial @
2-4 V DC, 100 mA, for both silver and gold plated contacts.
INSULATION RESISTANCE: 109Ωmin.
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.
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-43 for
additional contact materials.
8X25 MODELS: B contact material: Copper alloy, with gold plate
over nickel plate. See page A-43 for additional contact materials.
COMMON CONTACT & ALL TERMINALS: Copper alloy, with gold
plate over nickel plate.
TERMINAL SEAL: Epoxy. Refer to soldering 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-30 thru A-45. 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-30
and A-31.
Actuator or Plunger
SPlunger
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
LPlunger
MSnap-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
BGold
PGold, matte-tin
GGold over silver
RGold over silver,
matte-tin
Seal
EEpoxy
IEpoxy potted
base Cap Color
2Black
NONE Models
without caps
1White
3Red
4Orange
5Yellow
6Green
7Blue
9Gray
Frame Color
2Black
NONE Models
without frame
1White
3Red
5Yellow
6Green
9Gray
LED Color
3Red
NONE Models
without LED
5Yellow
6Green
Models Available
Terminations
ARight angle, PC thru-hole
AV2 Vertical right angle, PC thru-hole
CPC Thru-hole
ZSolder 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
RRight 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