SKRH ALPS ELECTRIC, SKRH Datasheet - Page 3

• Manufacturer Part Number: SKRH
• Description: 4-direction with Center-push Function
• Manufacturer: ALPS ELECTRIC

Multi Control
Devices
Variable
Resistor Type
Switch
Type
492
Switch Type Multi Control Devices
Example of Reflow Soldering Condition
1. Heating method:
2. Temperature measurement: Thermocouple 0.1 to 0.2φ CA （K） or CC （T） at solder joints copper foil surface） . A heat resistive tape
3. Temperature profile
Notes
1. The above temperature shall be measured on the mounting surface of a PC board. There are cases where the PC
2. Soldering conditions differ depending on reflow soldering machines. Prior verification of soldering condition is
SKRV/SKRH/SKQUBA,DB/SSAF/SRBE
Soldering Conditions
board's temperature greatly differs from that of the switch, depending on the material, size thickness of PC boards
and others. The above-stated conditions shall also apply to switch surface temperatures.
highly recommended.
Series （ Reflow type）
SLLB, SLLB5
RKJXS
Room
temperature
300
200
100
Double heating method with infrared heater.
should be used to fix thermocouple.
3s max.
A （℃）
260
240
260
Pre-heating
F max.
B （℃）
230
C （s）
40
20
40
C
D （℃）
150
180
A max.
B
D
E
E （℃）
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Time (s)
150
120
F （ s）