KS12R21CQD 
                            Ks0 Series 
                    Single Pole Key Switch
                
                
                                    Image shown represents the product series and may not indicate the actual part number
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                            Available in a variety of cap colors and either an SPST or SPDT configuration, C&K’s KS Single Pole keyswitch is found in products throughout the instrumentation and telecommunications industries. KS keyswitches are built to meet all high-performance expectations while still retaining a consistent tactile feel for the end-user over a long period of time.
                        
                        Features and Benefits
- Excellent tactile feel
 - Variety of cap colors
 - SPST and SPDT configurations
 
Typical Applications
- Telecommunications
 - Industrial
 - Instrumentation
 
Specifications
- 
                                        Contact Rating:
                                        
25mA @ 50 V AC or DC max.
 - 
                                        Electrical Life:
                                        
100,000 cycles
 - 
                                        Contact Resistance:
                                        
< 100 milliohms
 - 
                                        Insulation Resistance:
                                        
> 1,000 megohms
 - 
                                        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)
 
KS12R21CQD
- 
                                            Most Common:
                                            
No
 - 
                                            Current Rating:
                                            
25mA (AC/DC)
 - 
                                            Circuit:
                                            
SPDT
 - 
                                            Mounting Type:
                                            
Thru-hole
 - 
                                            Sealing:
                                            
Unsealed
 - 
                                            Illumination:
                                            
No/None
 - 
                                            Switch Function:
                                            
On-Mom On
 - 
                                            Electrical Life Cycles:
                                            
100,000
 - 
                                            Voltage Rating - AC:
                                            
50V
 - 
                                            Voltage Rating - DC:
                                            
50V
 - 
                                            Actuator Type:
                                            
Square, Button
 - 
                                            Color - Actuator/Cap:
                                            
White
 - Illumination Type, Color:
 - 
                                            Termination Style:
                                            
Thru-hole
 - 
                                            Packaging:
                                            
Bulk