8020 Series
Snap-acting Momentary Pushbutton Switches
Typical Applications
• Instrumentation
• Computer peripherals
• Telecommunications equipment
A
Pushbutton
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
Models Available
Specifications
Materials
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 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: 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).
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
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.
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 models
available, see page A-30
and A-31.
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
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
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
P Gold, matte-tin
G Gold over silver
R Gold over silver,
matte-tin
Seal
E Epoxy
I Epoxy potted
base
Cap Color
2 Black
NONE Models
without caps
1 White
3 Red
A4 Right angle, PC thru-hole, reversed terminals
A6 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
V3
V4
V6
V7
V8
V9
.555" high, V-bracket
.460" high, V-bracket
.630" high, V-bracket
.460" high, V-bracket
.630" high, V-bracket
.953" high, V-bracket
1.150" high, V-bracket
Frame Color
2 Black
NONE Models
without frame
1 White
3 Red
5 Yellow
6 Green
9 Gray
4
5
6
7
9
Orange
Yellow
Green
Blue
Gray
LED Color
3 Red
NONE Models
without LED
5 Yellow
6 Green
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
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
A-29
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