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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With our leading technology at the same time as our spirit of innovation,mutual cooperation, benefits and growth, we're going to build a prosperous future together with your esteemed firm 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: Spain, Montpellier, Spain, If you give us a list of merchandise you are interested in, along with makes and models, we can send you quotations. Remember to email us directly. Our goal is to establish long-term and mutually profitable business relationships with domestic and overseas clients. We look forward to receiving your reply soon.
By Edward from Poland - 2017.03.28 16:34
The company comply with the contract strict, a very reputable manufacturers, worthy a long-term cooperation.
By Bess from Hongkong - 2017.01.28 19:59
