Quality Inspection for Reverse Push Button Switch - manufacturer 4.5×4.5 4 pin DIP tact switch – Shouhan
Quality Inspection for Reverse Push Button Switch - manufacturer 4.5×4.5 4 pin DIP tact switch – Shouhan Detail:
5A INSULATION RESISTANCE
Measurements shall be made following Application of DC100V potential across terminals and across terminals and fuame for 1minute,100MΩ min
5B WITHSTAND VILTAGE
AC250V、50HZ、1 min（imin(interrupting current≤500uA). AC250V、50HZ、5C CONTACT CIRCUIT
Addition 1.5-2 time force on the top of the key strok and press the switch,DC50V100mA 100mΩ Max
5D SWITCH CONNECTION FLASH
Addition DC5V on the two side of switch,at a speed of 3-5time a sec.to press the switch.The flash time between open not more than 10ms.
6.MECHANICAL EFFICIENCY 6A CONTACT STRENGTH
The contact shall be capable of a rorce of 5N for 5
seconds in any directions.
Switch electric andmechanical efficiency does not break
6B CONTACT JOURNEY
6C DRIVE FORCE
Being measure at across spring piece and across
6D CONNECTION
STRENGTH
A force of 1N being appling in any directions of the
switch connection partt.Switch mechanical
efficiency does not break.
6E
MECHANICAL LIFE
Operatin at a rate of 30-50 cycles a minute. 以
Life:100000ycles
7.ENVIRONME
NT—-RESISTANT EFFICIENCY 7A CHANGE OF
TEMPERATURE
The first temperature shall be 70 ℃ ,3h and
changed to-25℃,0.5h,5cycles of above test.
1. The appearance
should not break.
2. Contact
resistance ≤ 100 M Ω
3. Insulation
resistance ≥ 100 M Ω.
7B HUMIDITY RESISTANT
40±2℃ in temperature and 90-95%RH,Ruring
thetest time without load; After testing
the temperature should be 24h.
8.IOINTING EFFICIENCY
8A SOLDERABILITY
Temperature260±5℃;Duration;3±0.5S
Solderability part
should above 90%
8B
SOLDER—RESISTANT
Warm-up temperature:100℃,40S,
Froth height of assist
solder should under
board and switch electric and mechanical efficiency does not break.
8C JOINTING—RESISTANT
Jointing temperature: 260 ± 5 ℃ ,Duration of
immersion: 5±1S.
efficiency does not break
8D NORMAL JOLNTING TIMES
≤2times
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As a way to ideal meet up with client's desires, all of our operations are strictly performed in line with our motto "High Top quality, Competitive Cost, Fast Service" for Quality Inspection for Reverse Push Button Switch - manufacturer 4.5×4.5 4 pin DIP tact switch – Shouhan, The product will supply to all over the world, such as: Southampton, Iraq, Finland, We have now a good reputation for stable quality goods, well received by customers at home and abroad. Our company would be guided by the idea of "Standing in Domestic Markets, Walking into International Markets". We sincerely hope that we could do business with car manufacturers, auto part buyers and the majority of colleagues both at home and abroad. We expect sincere cooperation and common development!
By Aurora from Hyderabad - 2017.08.18 11:04
This supplier's raw material quality is stable and reliable, has always been in accordance with the requirements of our company to provide the goods that quality meet our requirements.
By Marco from Norway - 2018.05.13 17:00
