Home > Quality assurance > Reliability
| Test project | Experimental range | Device name | Equipment photo |
| low temperature test | The crystals are left at -40 ° C ±2 ° C for 500±12 hours | High and low temperature test box |  |
| Alternating / constant humid heat test | The crystal is placed at 85 ° C ±3 ° C and 85% humidity for 500 hours | High and low temperature alternating heat and heat test box |  |
| Salt spray test |
5%NaCL solution was continuously sprayed for 48H Test temperature: 35℃±2℃ |
Salt spray corrosion test box |  |
| High and low temperature impact test |
1、Low temperature: -55±3℃ 2、Hold time: 30 minutes 3、High temperature: +125±3℃ 4、Hold time: 30 minutes 5、Conversion time ≤60s 6、Number of cycles: 10 |
High and low temperature impact test box |  |
| Drop test | 1、Drop: The crystal falls freely from a height of 150 cm to a 3 cm hardboard, repeat 3 times 2、Slight drop: 15cm, 12,000 times 3、Drum: 1M height (crystal welded on PCB) drum drop 300 times, drop surface is 3±0.1mm |
Drop test machine Micro-drop machine Drum machine |
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| Vibration test |
1、Vibration frequency: 10 ~ 2000Hz 2、Amplitude: 1.52mm 3、Scanning time: 20 min 4、Directions: X, Y, Z(2 hours in each direction) |
Electric vibrator |  |
| Collision (impact) test |
1、Half sine wave impact :1000G 2、Duration: 0.5ms X, Y, Z three times each |
Impact impact test rig |  |
| High temperature storage | The crystals are left at +125 ° C ±2 ° C for 500±12 hours | Electrothermal constant temperature dryness box |  |
| Temperature characteristic test |
1、temperature range: -55℃~+125℃ test parameters with 250B. 2、up and down temperature rate, test temperature interval can be set arbitrarily. |
Crystal temperature characteristic tester |  |
| Weldability test | 1、welding temperature: 245℃±5 ℃ 2、immersion depth: minimum 0.5mm from the product body 3、immersion time: 3 seconds ±0.5 seconds 4、flux: rosin resin methanol solvent (1:4) |
Lead-free tin furnace |  |
| Fine leakage |
1、Minimum leak detection rate：<5×10-12P·m3/s 2、Measuring range：5×10-12~1Pa·m3/s 3、Maximum leakage pressure：1000Pa |
Helium mass spectrometer leak detector |  |
| Elicited end strength and size check | Tension range：5N、10N、20N | Vernier caliper and weight |  |
| RoHS Testing |
1、Six valent chromium and its compounds 2、Cadmium and its compounds 3、Lead and its compounds 4、Mercury and its compounds |
Energy dispersive X-ray fluorescence spectrometer |  |