C&K ET Series
Sealed Subminiature Rocker Switches
Features/Benefits
Typical Applications
• Telecommunications
• Instrumentation
• Sealed against solder and cleaning
process contaminants
• Rocker, bushing & case—UL 94V-0
• Small footprint—saves space
• RoHS compliant
• Computers & peripherals
Models Available
Specifications
Materials
CONTACT RATING: B contact material: 0.4 VA max. @
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).
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.
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).
CONTACT RESISTANCE: Below 20 m Ω typ. initial @
2-4 V DC, 100 mA, for both silver and gold plated contacts.
9
INSULATION RESISTANCE: 10 Ω min.
SWITCH SUPPORT: Brass, matte-tin plated.
DIELECTRIC STRENGTH: 1000 Vrms min. @ sea level.
OPERATING TEMPERATURE: –30ºC to 85ºC.
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.
SOLDERABILITY: Per MIL-STD-202F method 208D, or
EIA RS-186E method 9 (1 hour steam aging).
TERMINAL SEAL: Epoxy.
PACKAGING: Surface mount switches standard in tape and reel
packaging, see page H-46 for drawings and reel information.
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
ET01 SP On-None-On
Actuator
ET02 SP Off-None-On
J1 Rocker
ET03 SP On-Off-On
J6 Rocker
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.
Terminations
A
Right angle, PC thru-hole
Contact Material
AV Vertical Right angle, PC thru-hole
B
K
P
Gold
Gold, tin-lead
Gold, matte tin
C
PC Thru-hole
V3 V-bracket
AV2 Vertical Right angle, PC thru-hole
SA Surface mount
SA1 Right Angle Surface mount
Q Silver
M Silver, tin-lead
S
Silver, matte-tin
G Gold over silver
L
R
Gold over silver, tin-lead
Gold over silver, matte-tin
Seal
E Epoxy
Actuator Color
2
1
3
Black
White
Red
Dimensions are shown: Inch (mm)
H
Specifications and dimensions subject to change
www.ittcannon.com
H-40