KSR221GLFS 
                            Ksr0 Series 
                    Subminiature Tact Switch for SMT
                
                
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                            The KSR series subminiature tact switch for SMT has 4 actuation forces and is an N.O. (normally open) and N.C. (normally closed) switch. With detect type available, C&K’s KSR is ideal for industrial, medical and automotive applications that need emergency stop functionality should accidents occur.
                        
                        Features and Benefits
- Detect type available
 - 4 actuation forces
 - N.O. and N.C.
 
Typical Applications
- Industrial electronics
 - Medical equipment
 - Automotive
 
Specifications
- 
                                        Solderability:
                                        
Compatible with lead free reflow soldering process
 - 
                                        Operating Temperature:
                                        
-40°C to 85°C (125°C for gold version)
 - 
                                        Electrical Life:
                                        
between 30,000 and 100,000 cycles
 - 
                                        Contact Rating:
                                        
10mA (Gold); 50mA (Silver)
 - 
                                        Contact Resistance:
                                        
< 100 milliohms
 - 
                                        Insulation Resistance:
                                        
> 1,000 megohms
 
KSR221GLFS
- 
                                            Most Common:
                                            
Yes
 - 
                                            Current Rating:
                                            
50mA @ 32VDC
 - 
                                            Circuit:
                                            
SPST-NO
 - 
                                            Mounting Type:
                                            
Surface Mount
 - 
                                            Sealing:
                                            
Sealed - IP40
 - 
                                            Illumination:
                                            
No/None
 - 
                                            Switch Function:
                                            
Off-Mom
 - 
                                            Electrical Life Cycles:
                                            
100,000
 - 
                                            Actuator Type:
                                            
Standard
 - 
                                            Actuator Height off PCB, from Pins:
                                            
2.50mm
 - 
                                            Actuator Orientation:
                                            
Top Actuated
 - 
                                            Termination Style:
                                            
Gull Wing
 - 
                                            Footprint:
                                            
6.00mm x 3.80mm
 - Illumination Voltage (Nominal):
 - Illumination Type, Color:
 - 
                                            Operating Force:
                                            
200gf
 - Additional Features:
 - 
                                            Packaging:
                                            
Tape & Reel
 


