2017/6/19
SKRA Series - Basic information
6.2mm Square Type with Middle-travel (Surface Mount)
SKRA Series
Part number
Type
Operating force
Operating direction
Travel
Operating life
(5mA 5V DC)
Initial contact resistance
Protective structure
Stem color
Series type
Operating temperature range
Rating (max.)
Rating (min.)
Electrical
performance
100mΩ max.
IP67 equivalent
Blue
Sharp feeling type
-30℃ to +85℃
50mA 12V DC
10µA 1V DC
Insulation resistance 100MΩ min. 100V DC for 1min.
Voltage proof
Durability
Vibration
250V AC for 1 min.
10 to 55 to 10Hz/min., the amplitude is 1.5mm for all the
frequencies, in the 3 direction of X, Y and Z for 2 hours
respectively
-30±2℃ for 96h
80±2℃ for 96h
60±2℃, 90 to 95%RH for 96h
SKRAAQE010
Surface mount
3.43N
Top push
0.55mm
100,000 cycles
Environmental
performance
Cold
Dry heat
Damp heat
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2017/6/19
SKRA Series - Basic information
Minimum order unit Japan
(pcs.)
Export
1,400
1,400
Photo
Dimensions
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2017/6/19
SKRA Series - Basic information
Land Dimensions
Viewed from mounting face.
Circuit Diagram
Packing Specifications
Taping
Number of packages 1 reel
(pcs.)
1 case / Japan
1,400
11,200
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2017/6/19
SKRA Series - Basic information
1 case / export
packing
Reel width W(mm)
Tape width (mm)
Export package measurements (mm)
11,200
17.5
16
395×395×205
Soldering Conditions
Condition for Reflow
1. Heating method
Double heating method with infrared heater.
2. Temperature measurement
Thermocouple 0.1 to 0.2 Φ CA(K) or CC(T) at solder joints (copper foil surface). A heat resisting tape should
be used for fix measurement.
3. Temperature profile
(1) The above temperature shall be measured of the top of switch. There are cases where PC board's
temperature greatly differs from that of the switch, depending on the material, size, thickness of PC
board's and others. Care, should be taken to prevent the switch's surface temperature from exceeding
260℃.
(2) Soldering conditions differ depending on reflow soldering machines. Prior verification of soldering
condition is highly recommended.
Manual Soldering
Items
Soldering temperature
Duration of soldering
Capacity of soldering iron
Condition
350℃ max.
3s max.
60W max.
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2017/6/19
SKRA Series - Basic information
1.
2.
3.
4.
Consult with us for availability of TACT switch™ washing.
Prevent flux penetration from the top side of the TACT switch™.
Switch terminals and a PC board should not be coated with flux prior to soldering.
The second soldering should be done after the switch returns to normal temperature.
Notes are common to this series/models.
1. This site catalog shows only outline specifications. When using the products, please obtain formal
specifications for supply.
2. Please place purchase orders for taping products per minimum order unit (1 reel or a case).
3. For φ330mm diameter reel requirements, please contact us.
4. This products can be used in vehicles.
Although these products are designed to perform over a wide operating temperature range, please
ensure that you receive and read the formal delivery specifications before use.
5. Protective structure :
Assumes the switch is left alone without being operated. Under the specified conditions, dust and water
ingress with a significant impact on the switch's on-off function is prevented.
IP67 dust and water resistance is guaranteed for the switch alone and performance may not be
guaranteed depending on the mounting conditions and usage.
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