KS11R21CQE C&K Components, KS11R21CQE Datasheet - Page 2

• Manufacturer Part Number: KS11R21CQE
• Description: SWTCH KEY SPST .025A WH SEAL PCB
• Manufacturer: C&K Components
• Series: KSr
• Type: Keyswitchr

Specifications of KS11R21CQE

• 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
• 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: *KS11R21CQE; CKN1590; KS11R21CQE

C
C&K KS Series
Key Switches
Specifications
CONTACT RATING: Q contact material: 25 mA max. @
ELECTRICAL LIFE: 100,000 actuations.
CONTACT RESISTANCE: Below 100 milliohms initial @
INSULATION RESISTANCE: 10
DIELECTRIC STRENGTH: 1,000 V RMS min. @ sea level.
OPERATING TEMPERATURE: –30_C to 65_C.
SOLDERABILITY: Per MIL-STD-202F method 208D, or
12.4 x 12.4mm Models
R2
KS12R21CQD
50 V AC or DC max. See page C-15 for additional ratings.
2-4 V DC, 100 mA.
EIA RS-186E method 9 (1 hour steam aging).
SPDT
(STD.) CAP WITH ROUND DEPRESSION
ITT Industries
MOM. = Momentary
POLES
NO.
SP
SP
KS11
KS12
9
ohms min.
MODEL
NO.
(STD.)
SWITCH FUNCTION
SWITCH WITH STANDARD OPTIONS
Cannon
POS. 1
SWITCH FUNCTION
OFF
ON
CAPS
R3
POS. 2
MOM.
MOM.
Not available with KS12 switch function.
ROCKER CAP WITH RAMP
KS11: Terminals 1, 3
KS12: Terminals 1, 3, 4
Molded On Housing
C-14
CONNECTED TERMINALS
Terminal Nos.
POS. 1
Materials
CASE: Glass filled nylon (UL 94V-0).
ACTUATOR: ABS or polycarbonate-ABS blend, matte finish,
MOVABLE CONTACT: Q contact material: Beryllium copper or stainless
STATIONARY CONTACTS & TERMINALS: Q contact material: Copper
TERMINAL SEAL: Epoxy.
NOTE: Specifications and materials listed above are for switches with standard options.
For information on specific and custom switches, consult Customer Service Center.
OPEN
CAP
1-4
CAP COLOR
black standard.
steel, silver plated. See page C-15 for additional contact materials.
alloy, silver plated. See page C-15 for additional contact materials.
POS. 2
1-3
1-3
SPDT
SPST
MOM. = Momentary
NOTE: For PC mounting information, see page C-15.
KS11R21CQD
KS12R22CQD
PART NUMBER
SCHEMATIC
Cap Finish: matte. Other colors available,
consult Customer Service Center.
OPTION
CODE
2
1
3
FUNCTION
SPST
SPDT
(STD.) BLACK
WHITE
RED
CAP COLOR
www.ittcannon.com
POS. 1
OFF
ON
Ñ Ñ Ñ
Ñ Ñ Ñ
POS. 2
MOM.
MOM.