Toggle
ET Series
Sealed Subminiature Toggle Switches
Features/Benefits Typical Applications
Sealed against solder and cleaning Hand-held telecommunications
process contaminants
Instrumentation
ESD protection available
Medical equipment
Thru-hole and surface mount models
Compact size and small footprint
save PCB space
RoHS compliant models available
Specifications Materials
CONTACT RATING: B contact material: 0.4 VA max. @ CASE & BUSHING: Glass filled nylon 6/6, flame retardant, heat
20 V AC or DC max. See page F-30 for additional ratings. stabilized (UL 94V-0) or glass filled 4/6 nylon, flame retardant, heat
stabilized (UL 94V-0). F1 conductive bushing option is impregnated
ELECTRICAL LIFE: ETX1 models: 60,000 make-and-break cycles at
with carbon fibers.
full load. All other models: 30,000 cycles.
ACTUATOR: M3 & S3 anti-static actuator: Nylon 4/6, black standard
CONTACT RESISTANCE: Below 20 m typ. initial @ 2-4
(UL 94V-0). All other actuators: Brass, chrome plated. Internal
V DC, 100 mA, for both silver and gold plated contacts.
o-ring seal standard with all actuators.
9
INSULATION RESISTANCE: 10 min.
SWITCH SUPPORT: Brass, tin plated.
ELECTROSTATIC DISCHARGE (ESD) RESISTANT OPTION:
CONTACTS & TERMINALS: B contact material: Copper alloy,
M3 & S3 insulating actuator only: 9,000 V DC min. @ sea level,
with gold plate over nickel plate. Q contact material: Copper
actuator to terminals. F1 conductive bushing only: Dissipates
alloy, silver plated. See F-35 for additional contact materials.
up to 20,000 V DC from actuator to ground. M3 & S3 actuator
and F1 bushing options are not recommended for use together. TERMINAL SEAL: Epoxy.
DIELECTRIC STRENGTH: 1000 Vrms min. @ sea level.
OPERATING TEMPERATURE: 30C to 85C.
NOTE: Any models supplied with Q, B, G, P or R contact material are RoHS compliant
and compatible.
SOLDERABILITY: Per MIL-STD-202F method 208D, or
EIA RS-186E method 9 (1 hour steam aging).
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
DEGREE OF PROTECTION: IP57; Protection against harmful dust
deposit, full-scale voltage protection, temporary immersion.
PACKAGING: Surface mount switches are shipped in tape and reel
packaging, see page F-31 for drawings and reel information.
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 F26 thru F31. For additional options not shown in catalog, consult our 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
M .240" high
ET02 SPST, Off-None-On
Bushing
ET03 SP, On-Off-On M3 Plastic, anti-static,
D1 .177" High, Unthreaded
ET05 SP, Mom.-Off-Mom. .240" high
F1 .177" high, unthreaded, ESD conductive
S .400" high
ET07 SP, On-Off-Mom.
Terminations
ET08 SP, On-None-Mom. L .320" high
A Right angle, PC thru-hole
S1 .540" high
ET21 DP, On-None-On
AV Vertical right angle, PC thru-hole
ET23 DP, On-Off-On
C PC Thru-hole
ET24 DP, On-On-On
SA Right angle, surface mount
ET25 DP, Mom.-Off-Mom.
SA1 Right angle, surface mount rear-facing
ET27 DP, On-Off-Mom.
V3 Vertical mount, V-bracket
ET28 DP, On-None-Mom.
Contact Material
AV3 Vertical right angle, snap-in, PC thru-hole
B Gold
V31 Vertical mount, V-bracket, snap-in
P Gold, matte tin
W Wire wrap
Seal
Q Silver
E Epoxy
S Silver/matte-tin
F
G Gold over silver
R Gold over silver,
Plastic Actuator Color
matte-tin NONE No actuator color
2 Black
1 White
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ck-components.com
F25ET Series
Sealed Subminiature Toggle Switches
SWITCH FUNCTION
SWITCH FUNCTION CONNECTED TERMINALS
POS. 1 POS. 2 POS. 3 POS. 1 POS. 2 POS. 3
NO. MODEL
C&K marking on opposite side C&K marking on opposite side
POLES NO. SCHEMATIC
ET01 ON NONE ON 2-3 N/A 2-1
ET03 ON OFF ON
ET05 MOM. OFF MOM. 2-3 OPEN 2-1
SP
ET07 ON OFF MOM.
ET08 ON NONE MOM. 2-3 N/A 2-1 SPDT
ET02 OFF NONE ON OPEN N/A 3-1 SPST
SPDT
Terminal Nos.
For Reference Only
Part number shown: ET01MD1CBE ET02 Models: Omit terminal 2
ET21 ON NONE ON 2-3,5-6 N/A 2-1,5-4
ET23 ON OFF ON
ET25 MOM. OFF MOM. 2-3,5-6 OPEN 2-1,5-4
DP
ET27 ON OFF MOM.
ET28 ON NONE MOM. 2-3,5-6 N/A 2-1,5-4
ET24** ON ON ON 2-3,5-6 2-3,5-4 2-1,5-4 DPDT
DPDT
Terminal Nos.
Part number shown: ET21MD1CBE
For Reference Only
MOM. = Momentary ** Wiring for 3-way switch, see Section N.
All models with all options (except M3 actuator) when ordered with G, L, R or Q contact material except
with F1 conductive bushing.
F
Dimensions are shown: Inches (mm)
Specifications and dimensions subject to change
www.ck-components.com
F26
Toggle