Environmental Characteristics(环境特性测试) |
|
Item |
Requirement |
Test Method |
|
5% and Below |
| Temperature Coefficient |
As Spec |
At 25℃/-55℃ and 25℃/+125℃,25℃ is the reference temperature |
|
| Resistance (T.C.R.) |
|
| Short Time Overload |
±(0.15%+0.01Ω) |
RCWV*2.5 or Max. Overload Voltage whichever is lower for 5 seconds |
|
|
|
| Insulation Resistance |
≥10G |
Max.Overload Voltage for 1 minute |
| Endurance |
±(1.0%+0.05Ω) |
70±2℃,RCWV for 1000 hrs with 1.5 hrs “ON”and 0.5 hr “OFF” |
|
|
|
| Biased Humidity |
≤3.4MΩ:±(1%+0.05Ω); ＞3.4MΩ:±(2%+0.05Ω) |
1344 hrs 85℃/85%RH 10% of operating power.(≤100V) |
|
|
| High Temperature Exposure |
±(1%+0.05Ω) |
at + 155℃ for 1000 hrs |
|
|
| Board Flex |
±(0.5%+0.05Ω) |
Bending once for 60 seconds with 2mm |
|
|
| Solderabililty |
95% min.coverage |
245±5℃ for 3 seconds |
| Resistance to Soldering Heat |
±(0.25%+0.05Ω) |
260±5℃ for 10 seconds |
|
|
|
| Voltage Proof |
No breakdown or flashover |
1.42 times Max. Operating Voltage for 1 minute |
| Leaching |
Individual leaching area≤5% |
260±5℃ for 30 seconds |
| Total leaching area≤10% |
| Temperature Cycling |
±(0.5%+0.05Ω) |
—55℃ to + 125℃,1000 cycles |
|
|
| Resistance to solvents |
No visible damage on appearance and marking. |
Add aqueous wash chemical-OKEM Clean or |
| equivalent.Do not use banned solvents. |
| Mechanical Shock |
±(0.25%+0.01Ω) |
Wave Form:Tolerance for half sine shock pulse. |
| Peak value is 100g’s.Normal duration (D) is 6. |
| Vibration |
±(0.5%+0.01Ω) |
5g’s for 20 min.,12 cycles each of 3 orientations,10-2000 Hz |
| ESD |
±(0.5%+0.01Ω) |
Human body,0204:2KV;0207;4KV |
| Terminal strength |
No broken |
Force of 1.8kg for 60 seconds. |
| Flammability |
No ignition of the tissue paper or scorching or the |
V-0 or V-1 are acceptable.Electrical test not required. |
| pinewood board |
| RCWV(Rated Continuous Working voltage)=√(P*R) or Max.Operating Voltage whichever is lower.(额定连续工作电压=√（P*R)或最大，工作电压以较低者为准） |
