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参数资料
| 型号： | ET21SD1SAKE2 |
| 厂商： | ITT Corporation |
| 英文描述： | Sealed Subminiature Toggle Switches |
| 中文描述： | 密封微型钮子开关 |
| 文件页数： | 1/7页 |
| 文件大小： | 700K |
| 代理商： | ET21SD1SAKE2 |
G–30
G
T
C&K 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: –30oC to 85oC.
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. 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 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
K
Gold, tin-lead
P
Gold, matte tin
Q
Silver
G
Gold over silver
L
Gold over silver,
tin-lead
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.ittcannon.com
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