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參數資料
| 型號： | ET21LF1ASE |
| 廠商： | ITT CANNON |
| 元件分類： | 開關 |
| 英文描述： | TOGGLE SWITCH, DPDT, LATCHED, 3A, 28VDC, THROUGH HOLE-RIGHT ANGLE |
| 文件頁數： | 1/7頁 |
| 文件大小： | 458K |
| 代理商： | ET21LF1ASE |
G–30
G
To
g
gle
ET Series
Sealed Subminiature Toggle Switches
Features/Benefits
Sealed against solder and cleaning
process contaminants
ESD protection available
Thru-hole and surface mount models
Compact size and small footprint
save PCB space
RoHS compliant models available
Typical Applications
Hand-held telecommunications
Instrumentation
Medical equipment
Specifications
CONTACT RATING: B contact material: 0.4 VA max. @
20 V AC or DC max. See page F-32 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.
ELECTROSTATIC DISCHARGE (ESD) RESISTANT OPTION:
M3 & S3 insulating actuator only: 9,000 V DC min. @ sea level,
actuator to terminals. F1 conductive bushing only: Dissipates
up to 20,000 V DC from actuator to ground. M3 & S3 actuator
and F1 bushing options are not recommended for use together.
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).
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 G-35 for drawings and reel information.
Materials
CASE & BUSHING: Glass filled nylon 6/6, flame retardant, heat
stabilized (UL 94V-0). SA surface mount: High temperature
material, glass filled 4/6 nylon, flame retardant, heat stabilized
(UL 94V-0). F1 conductive bushing option is impregnated
with carbon fibers.
ACTUATOR: M3 & S3 anti-static actuator: Nylon 4/6, black standard
(UL 94V-0). All other actuators: Brass, chrome plated. Internal
o-ring seal standard with all actuators.
SWITCH SUPPORT: Brass, tin plated.
CONTACTS & TERMINALS: B contact material: Copper alloy,
with gold plate over nickel plate. Q contact material: Copper
alloy, silver plated. See G-35 for additional contact materials.
TERMINAL SEAL: Epoxy.
NOTE: Any models supplied with Q, B, G, P or R contact material are RoHS compliant
and compatible.
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 G–31 thru G–35. 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
ET02 SPST, 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
ET23 DP, On-Off-On
ET24 DP, On-On-On
ET25 DP, Mom.-Off-Mom.
ET27 DP, On-Off-Mom.
ET28 DP, On-None-Mom.
Actuator
M
.240" high
M3 Plastic, anti-static,
.240" high
S
.400" high
L
.320" high
S1 .540" high
Terminations
A
Right angle, PC thru-hole
AV
Vertical right angle, PC thru-hole
C
PC Thru-hole
SA
Right angle, surface mount
SA1 Right angle, surface mount rear-facing
V3
Vertical mount, V-bracket
AV3 Vertical right angle, snap-in, PC thru-hole
V31 Vertical mount, V-bracket, snap-in
W
Wire wrap
Bushing
D1 .177" High, Unthreaded
F1 .177" high, unthreaded, ESD conductive
Contact Material
B Gold
P Gold, matte tin
Q Silver
S Silver/matte-tin
G Gold over silver
R Gold over silver,
matte-tin
Seal
E Epoxy
Plastic Actuator Color
NONE No actuator color
2
Black
1
White
Models Available
Dimensions are shown: Inch (mm)
Specifications and dimensions subject to change
www.ck-components.com
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