STP-1238G

DATA SHEET 。 STP-1238 BONSDA CODE TACT SWITCH DESCRIPTI N SHENZHEN ZIGENG TECHNOLOGY CO. ,LTD ADORES O BUILDING 3TH FL口口R, ZI HENG R口AD N口 49,KENGZI STREETS, PINGSHAN NEW DISTR l巳T,SHENZHEN, GUANGD口NG p R口VIN口E， 巳HINA TEL +B6 755-8451 7口B口 FAX +B6 755-27日2363口 E-MAIL LINSL@ZIGK.J.C口M WEBSITE WWW.ZIGK.J.C口M 嘻司 B口N SDA ELECTRONICS TACT SWITCH SPECIFICATION Rev. 01 P:1/6 1. Description: This specification covers the requirements for single key switches which have no key top(Tact switches mechanical contact). 1-1 Operating Temperature Range : -40℃ ~ +70℃ (normal humidity, normal press) 1-2 Storage Temperature Range : 1-2-1 Single Condition : -40℃ ∼ +80℃ 1-2-2 Taping Condition : -40℃ ~ +40℃ 1-3 Test 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 1,060 mbars) In case any question arises from the judgment made, tests shall be conducted in the following conditions: Temperature (20±2℃) Relative humidity (65±5%) Pressure (860 to 1,060 mbars) 2. Rating: 2-1 Maximum Rating : 50 mA, DC 12V 3. Type of Actuation : Push – ON Type 4. Contact Arrangement : 1 poles 1 throws (SPST) TACT SWITCH SPECIFICATION Rev. 01 P:2/6 5. Electrical Characteristics ITEM DESCRIPTION TEST CONDITIONS REQUIREMENTS There shall be no 5-1 Visual Examination By visual examination check without defects that affect the any out pressure & testing. serviceability of the product. ① Applying static load twice the actuating force 5-2 5-3 Contact Resistance Insulation Resistance Dielectric 5-4 withstanding Voltage to the center of the stem. ② Measurements shall be made with a 1kHz 100mΩ max. shall current contact resistance meter. 100V DC, 1minute ±5seconds 250V AC(50Hz or 60Hz)shall be applied between all the adjacent terminal and between the terminal and the frame for 1 minute. 100 ㏁ min. There shall be no breakdown or flashover. Lightly striking the center of the stem at a rate encountered in normal use (3 to 4 operations per sec), Bounce shall be tested when “ON” and “OFF”. 5-5 BOUNCE 10ms max. TACT SWITCH SPECIFICATION Rev. 01 P:3/6 6. Mechanical Characteristics ITEM DESCRIPTION TEST CONDITIONS REQUIREMENTS Place the switch such that the direction of switch operation is vertical and then 6-1 Operation Force gradually increase the load applied to the center of the stem, the maximum load 160±50 gf•cm required for the stem to come to a stop shall be measured. Place the switch such that the direction of switch operation is vertical and then apply a static load twice the actuating force to the 6-2 Travel center of the stem, the travel distance for 0.25±0.1 mm the stem to come to a stop shall be measured. The sample switch is installed such that the direction of switch operation is vertical and, upon depression of the stem in its center 6-3 Return Force the whole travel distance, the force of the 50 gf•cm min stem to return to its free position shall be measured. Placing the switch such that the direction of 6-4 Static Strength switch operation is vertical, a static load of There shall be no sigh of 3kgf shall be applied in the direction of stem damage mechanically and operation for a period of 60 seconds. electrically. Measurements shall be made following the 6-5 Operation Life test set forth below: 1)As shown in item 5-3, 5-4 1) 50mA, 12V DC resistive load 2)Contact Resistance: 2) Rate of operation: 2~3 cycles/ sec 3) Step of operation: 50,000 steps 200mΩ max TACT SWITCH SPECIFICATION Rev. 01 P:4/6 7. Environmental Characteristics ITEM DESCRIPTION TEST CONDITIONS REQUIREMENTS Following the test set forth below the sample shall be left in normal temperature and easurements. Are made : 7-1 Contact resistance : Moisture Resistance 200mΩ Max. 1) Temperature : 60±2℃ Insulation resistance : 100MΩ Min. 2) Relative humidity : 90 to 95% 3) Time : 96 hours Water drops shall be removed. Following the test set forth below the sample shall be left in normal temperature Resistance 7-2 and humidity conditions for an hour before Low measurements are made: Temperature 1)Temperature: -30℃±2℃ Contact resistance: 200mΩ Max. Insulation resistance : 100MΩ Min. 2)Time: 96 hours Water drops shall be removed. Following the test set forth below the Resistance 7-3 High Temperature sample shall be left in normal temperature Contact resistance: and humidity conditions for an hour before measurements are made: 200mΩ Max. Insulation resistance : 1)Temperature: 80℃±2℃ 100MΩ Min. 2)Time: 96 hours Measurements shall be made following the test set forth below : 1) Acceleration : 80G 2) Cycles of test : 3 cycles each in 6 7-4 Impact Shock Resistance directions, for a total of 18 cycles. Item 5 Item 6-1, 6-2 TACT SWITCH SPECIFICATION Rev. 01 P:5/6 ITEM DESCRIPTION TEST CONDITIONS REQUIREMENTS Following ten cycles of high temperature test. The sample shall be placed in normal temperature and humidity conditions for one hour before measurements are made. During this test, water drops shall be removed. 7-5 Contact resistance : 200mΩ Max. Change of Insulation resistance : Temperature 100MΩ Min. Cycling : 1 cycle Measurements shall be made following the test set forth below : 1) Range of oscillation : 10 to 55Hz 2) Amplitude, peak to peak : 1.5mm 7-6 Vibration Resistance 3) Cycle of sweep : 10-55-10Hz in a minute. 4) Mode of sweep : Logarithmically seep or uniform sweep. 5) Direction of oscillation : Three mutually perpendicular direction, including the direction of stem travel. 6) 2 hours each for a total of 6 hours. 8. This item is "RoHS" Compliant 9. Manual Soldering : Max 350℃, 3 sec. 10. Wave Soldering : Max 280℃, 5 sec. 11. Reflow Soldering Conditions: (SMD type only) Item 5 Item 6-1, 6-2 TACT SWITCH SPECIFICATION Rev. 01 P:6/6 11-1 Condition for Soldering Profile Feature Average Ramp-UP Rate(Ts max to TP) Pb-Free Assembly 3℃/second max Preheat - Temperature Min(Ts min) 150℃ - Temperature Max(Ts max) 200℃ - Time (ts min to ts max) 60-180seconds Time maintained above: - Temperature (TL) - Time (tL) Peak/Classification Temperature(TP) 217℃ 60-150seconds 260℃ +0℃/ -5℃ Time within 5℃ of actual Peak Temperature(TP) 5~10 seconds Ramp-Down Rate 6℃/sec max Time 25℃ to Peak Temperature 8 minutes max SPECIFICATION 1. RATING : DC 12V 50mA 2. TRAVEL : 0.25 ±0.1mm 3. CONTACT RESISTANCE : 100mΩ MAX. 4. LIFE CYCLE : 100,000 CYCLE 5. OPERATING FORCE : 160±50gf 6. L(mm) : 9.00, 10.00 mm TACT SWITCH STP-1238