KS11R21CQD C&K Components, KS11R21CQD Datasheet

SWITCH PB MOM WHT PC MNT .025A

KS11R21CQD

Manufacturer Part Number
KS11R21CQD
Description
SWITCH PB MOM WHT PC MNT .025A
Manufacturer
C&K Components
Type
Keyswitchr
Series
KSr
Datasheets
1.KS11R21CQD.pdf (3 pages)
2.KS11R21CQD.pdf (3 pages)
3.KS11R29CQD.pdf (3 pages)

Specifications of KS11R21CQD

Circuit
SPST-NO
Switch Function
Off-Mom
Contact Rating @ Voltage
0.025A @ 50VAC/DC
Actuator Type
Square Button
Mounting Type
Through Hole
Termination Style
PC Pin
Pole Throw Configuration
SPST
Switch Function Configuration
ON Mom
Current Rating (max)
0.025A
Operating Temp Range
-30C to 65C
Actuator
Round Depression
Contact Current Rating
25 mAmps at 50 Volts
Contact Form
SPST
Body Size
12.4 mm L x 12.4 mm W x 7.57 mm H
Operating Temperature Range
- 30 C to + 65 C
Travel
0.71 mm
Contact Rating
25 mAmps at 50 Volts
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Illumination Type, Color
-
Illumination Voltage (nominal)
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
*KS11R21CQD
CKN4078
Specifications
CONTACT RATING: Q contact material: 25mA @
ELECTRICAL LIFE: 100,000 actuations.
CONTACT RESISTANCE: Below 100 mΩ initial @
INSULATION RESISTANCE: 10
DIELECTRIC STRENGTH: 1,000 Vrms min. @ sea level.
OPERATING TEMPERATURE: -30˚C to 65˚C.
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.
How To Order
Our easy build-a-switch concept allows you to mix and match options to create the switch you need. To order, select
desired option from each category and place it in the appropriate box.
50V AC .or DC max.
2-4 V DC, 100 mA
Series
KS11
KS12
SPST Off-Mom.
SPDT On-Mom.
Cap
R2
9
Ω min.
K
Round depression
S
Cap Color
2
1
3
9
Black
White
Red
Gray
Features/Benefits
•
•
•
•
•
Positive tactile feel
Variety of cap colors
LED support available
SPST and SPDT configurations
RoHS compliant
Terminations
C
PC Thru-hole
Contact Material
Q
B
D–23
Silver
Gold
Materials
CASE: Glass filled nylon (UL 94V-0).
ACTUATOR: Nylon 6/6 or ABS, matte finish, black standard.
MOVABLE CONTACT: Q contact material: Stainless steel, silver plated.
STATIONARY CONTACTS AND TERMINALS: Q contact material:
TERMINAL SEAL: Epoxy
copper alloy, silver plated.
C
Seal
D
E
Single Pole Key Switches
No epoxy
Epoxy
Typical Applications
•
•
•
Specifications and dimensions subject to change
Telecommunications
Industrial
Instrumentation
www.ck-components.com
Dimensions are shown: mm
KS
D

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KS11R21CQD Summary of contents

Page 1

... OPERATING TEMPERATURE: -30˚C to 65˚C. 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. How To Order Our easy build-a-switch concept allows you to mix and match options to create the switch you need ...

Page 2

... KS Single Pole Key Switches KS11 / KS12 0,71 TRAVEL 12,40 SQ. (.028) (.488) 10,29 SQ. (.405) CAP FINGER RECESS SWITCH FUNCTION POS. 1 NO. MODEL POLES NO. KS11 OFF SP ON KS12 R2 CAP WITH ROUND DEPRESSION 2,29 (.090) 10,29 SQ. (.405) CAP D FINGER RECESS SERIES 7,57 (.298) 2,29 3,91 ( ...

Page 3

... MOVABLE CONTACT: Stainless steel, with gold plate over nickel plate. STATIONARY CONTACTS & ALL TERMINALS: Copper alloy, with gold plate over nickel plate. 2) MOVABLE CONTACT: Stainless steel, silver plated. STATIONARY CONTACTS & ALL TERMINALS: Copper alloy, silver plated EPOXY SEAL Single Pole Key Switches PC MOUNTING KS11 KS12 RATINGS 2 POWER 25 mA MAX ...

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