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
Product detail pictures:
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Our personnel are always in the spirit of "continuous improvement and excellence", and together with the top-quality good quality solutions, favorable selling price and superior after-sales providers, we try to acquire each customer's rely on 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: Slovenia, Israel, Brazil, By integrating manufacturing with foreign trade sectors, we can provide total customer solutions by guaranteeing the delivery of right products to the right place at the right time, which is supported by our abundant experiences, powerful production capability, consistent quality, diversified product portfolios and the control of the industry trend as well as our mature before and after sales services. We'd like to share our ideas with you and welcome your comments and questions.
By Ellen from Wellington - 2018.02.21 12:14
Adhering to the business principle of mutual benefits, we have a happy and successful transaction, we think we will be the best business partner.
By Mamie from kazakhstan - 2018.07.12 12:19
