
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
.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