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C&K ET Series
Sealed Subminiature Rocker Switches
Models Available
Features/Benefits
Sealed against solder and cleaning
process contaminants
Rocker, bushing & case—UL 94V-0
Small footprint—saves space
RoHS compliant
Typical Applications
Telecommunications
Instrumentation
Computers & peripherals
Specifications
CONTACT RATING: B contact material: 0.4 VA max. @
20 V AC or DC max. Q contact material: Copper alloy, silver
plated. See page H-44 for additional ratings.
ELECTRICAL LIFE: ETX1 models: 60,000 make-and-break
cycles at full load. All other models: 30,000 cycles.
CONTACT RESISTANCE: Below 20 m
typ. initial @
2-4 V DC, 100 mA, for both silver and gold plated contacts.
INSULATION RESISTANCE: 109
min.
DIELECTRIC STRENGTH: 1000 Vrms min. @ sea level.
OPERATING TEMPERATURE: –30C to 85C.
SOLDERABILITY: Per MIL-STD-202F method 208D, or
EIA RS-186E method 9 (1 hour steam aging).
PACKAGING: Surface mount switches standard in tape and reel
packaging, see page H-46 for drawings and reel information.
Materials
CASE & BUSHING: Glass filled nylon 6/6, flame retardant,
heat stabilized (UL 94V-0). SA and SA1 surface mount: High
temperature material, glass filled 46 nylon, flame retardant,
heat stabilized (UL 94V-0).
ACTUATOR: Nylon, black standard. Internal o-ring seal
standard with all actuators. SA surface mount: High
temperature material, glass filled 46 nylon, flame retardant,
heat stabilized (UL 94V-0).
SWITCH SUPPORT: Brass, matte-tin plated.
CONTACTS & TERMINALS: B contact material: Copper alloy,
with gold plate over nickel plate. Q contact material: Copper alloy,
silver plated. See page H-44 for additional contact materials.
TERMINAL SEAL: Epoxy.
NOTE: Any models supplied with Q, B, G, S, P & R 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.
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 H-41 thru H-46. For additional options not shown in catalog, consult Customer Service Center. All models are
process sealed to withstand machine soldering temperatures and pressure wash cleaning methods.
Switch Function
SP On-None-On
ET02 SP Off-None-On
ET03 SP On-Off-On
ET05 SP Mom.-Off-Mom.
ET07 SP On-Off-Mom.
ET08 SP On-None-Mom.
ET21 DP On-None-On
ET27 DP On-Off-Mom.
ET28 DP On-None-Mom.
Actuator
J1 Rocker
J6 Rocker
Terminations
A
Right angle, PC thru-hole
AV Vertical Right angle, PC thru-hole
C
PC Thru-hole
V3
V-bracket
AV2 Vertical Right angle, PC thru-hole
SA Surface mount
SA1 Right Angle Surface mount
Contact Material
B Gold
K Gold, tin-lead
P Gold, matte tin
Q Silver
M Silver, tin-lead
S Silver, matte-tin
G Gold over silver
L
Gold over silver, tin-lead
R Gold over silver, matte-tin
Seal
E Epoxy
Actuator Color
2 Black
1 White
3 Red
H-40
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ittcannon.com
H
Rocker