V01-04-F01_12X12X5
1.General specification
1.1 Scope
This specification covers the requirements for single key switches which have no key top(TACT SWITCHES:MECHANICAL CONTACT).
1.2 Operating Temperature Range
-20 to +70 ℃ , (normal humidity,normal press.)
1.3 Storage Temperature Range
-25 to +85 ℃ , (normal humidity,normal press.)
1.4Test Conditions
Tests and measurements shall be made in the following standard conditions unless otherwise specified:
Normal temperature (temperature 5 to 35 ℃)
Normal humidity (relative humidity 45 to 85% ) Normal pressure (pressure 860 to 1060 mbars)
2.TYPE OF ACTUATION
Tactile feedback
3.CONTACT ARRANGEMENT
1 1 1 poles 1 throws
(Details of contact arrangement are given in the assembly drawings.)
4.MAXIMUM RATINGS DC 12 V 50 mA
5.Appearance and structure
5.1:Appearance:It should no obvious shrinkin 、upset metal、Scrape、plating path well-distributed and no coming off.
5.2:Size:Making (drawing attached) 2
5.3:Size:Making (drawing attached) 3
6. General specification
6.1Electrical properties
6.2 Mechanical properties
Item |
Test Condition | Requirements | |
6.2.1 | Actuating Force | Place the switch such that the direction of switch operation is vertical and then gradually increase the load applied to the center of the stem,
the maximum load required for the stem to come to a stop shall be measured |
250 ± 50 gf 180 ± 50 gf
100 ± 50 gf |
6.2.2 | Travel | Place the switch such that the direction of switch operation is vertical and then apply a static load twice the actuating force to
the center of the stem,the travel distance for the stem to come to a stop shall be measured |
0.35 ± 0.15 mm |
6.2.3 | Return Force | The sample switch is installed such thatthe direction of switch operation is vertical and,upon depression of the stem in
its center the whole travel distance,the force of the stem to return to its free position shall be measured |
250 gf: 80 gf min 180 gf: 60 gf min
100 gf: 40 gf min |
6.2.4 | Static Strength | 1KG , 60
Placing the switch such that the direction of switch operation is vertical,a static load of 3 kgf shall be applied in the direction of stem operation for a period of 60 seconds |
There shall be
no sign of damage mechanically and electrically |
6.3 Service Durability
Item |
Test Condition | Requirements | |
6.3.1 | Operating Life | Measurements shall be made following the test set forth below:(1)
No load condition (2): 30 ~ 50 / Rate of operation: 30 to 50 operations per minute (3): 5 10Cycles of operation: Silver coated copper 50,000 cycles Stainless steel 100,000 cycles |
Contact resistance:
300 mΩ Max. Insulation resistance: 100 MΩ Min. Actuating force: ± 30% + 30% or- 30% of initial force Item 6.2.2 |
6.3.2 | Moisture Resistance | 1 Following the test set forth below the sample shall be left in normal temperature and humidity conditions for one hour
before measurements are made. (1) Temperature: 40 ± 2 ℃ (2) Relative humidity: 90 to 95% (3) Time: 96 hours Water drops shall be removed. |
Contact resistance:
300 mΩ Max. Insulation resistance: 100 MΩ Min Item 6.1.3、6.1.4 Item 6.2.1~6.2.3 |
6.3.3 | Low Temperature Resistance | 1Following the test set forth below the sample shall be left in normal temperature and humidity conditions for one hour
before measurements are made (1) Temperature: -20 ± 2 ℃ (2) Time: 96 hours Water drops shall be removed. |
Contact resistance:
300 mΩ Max. Insulation resistance: 100 MΩ Min Item 6.1.3、6.1.4 Item 6.2.1~6.2.3 |
7. Welding conditions
8. Other precautions
(1) Following the soldering process, do not try to clean the switch with a solvent or the like.
(2) Safeguard the switch assembly against flux penetration from its topside.
(3) 90 Please have the products keep in close status and the storage time is 90 days guaranty after delivering the goods at most.