| Test Item |
Test Standard |
Test Method |
Performance requirements |
| Zero Power Resistance |
IEC 60539-1 |
Immerse samples in the constant temperature bath at 25℃±0.005℃，test steady resistance |
Resistance tol ±1% |
| B value |
IEC60539-1 |
Immerse samples in the constant temperature bath at 25℃，50℃（or 85℃）, test steady resistance,and calculate B value |
Resistance tol ±1% |
| Free fall |
IEC60068-2-32 |
Fall height: 1.5±0.1m,Surface: Cement , 1 time |
No obvious damage, R25 △R/R≤±1% |
| Insulation |
IEC60539-1 |
500V pressure on insulation shell test insulation resistance |
>500MOhm |
| Withstand voltage |
IEC60539-1 |
Withstand voltage: 1500V/AC ,Leakage current:2mA Lasting: 60sec |
No obvious damage |
| Tension |
IEC60068-2-21 |
Pull uniform speed at the end, F>4.0KG(requested by customer) |
No obvious damage, R25 △R/R≤±1% |
| Vibration |
Q/HBm 108-94 |
Test frequency: 10~500Hz，swing: 1.2mm acceleration: 30m/s2 Direction X,Y,Z Time:8Hour/direction |
No obvious damage, R25 △R/R≤±1% |
| Steady humidity and heat |
IEC60068-2-78 |
Temp:40±2℃ Humidity:92-95%RH Time:1000±24Hour |
No obvious damage, R25 △R/R≤±1% |
| Thermal time constant |
EC60539-1 |
Immerse in 25℃ water,after thermal balance,immerse in 85℃，resistance arrives 63.2%,calculate total time |
<10 sec |
| High temperature storage |
IEC60068-2-2 |
Temp:125℃±5℃ Time: 1000±24Hour |
No obvious damage, R25 △R/R≤±1% |
| Cold and thermal shock |
IEC60068-2-14 |
-40℃~+125℃ T1：30min Cycle time:1000 |
No obvious damage, R25 △R/R≤±1% |
| Knock experiment |
IEC60068-2-77 |
Acceleration:250m/s2 Pulse lasting: 6ms Knock times: 1000 Recovery time: 2 Hour |
No obvious damage, R25 △R/R≤±1% |
| Low temperature storage |
IEC60068-2-1 |
Temp: 40±2℃ Time: 1000±24Hour |
No obvious damage, R25 △R/R≤±1% |
| Salt spray |
IEC60068-2-11 |
Temp: 35±2℃ Collection hour : 1.0mL~2.0mL Time: determine per as actual demand |
No obvious damage, R25 △R/R≤±1%
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