Environmental Characteristics(环境特性测试) |
Item |
Requirement |
Test Method |
±5% and Below |
Jumper |
Temperature Coefficient of Resistance(T.C.R.) |
As Spec. |
At 25℃/-55℃ and 25℃/﹢125℃,25℃ is the reference temperature |
Short Time Overload |
±(1.0%﹢0.05Ω) |
0603:≤8mΩ |
RCWV*2.5 or Max.Overload Voltage whichever is lower for 5seconds Jumper:2*lmax for 5 seconds |
0805:≤5mΩ |
1206:≤5mΩ |
Insulation Resistance |
≥10G |
Max.Overload Voltage for 1 minute |
Endurance |
±(1.0%﹢0.05Ω) |
0603:≤8mΩ |
70±2℃,RCWV for 1000 hrs with 1.5 hrs“ON”and 0.5 hr “OFF” |
0805:≤5mΩ |
1206:≤5mΩ |
Damp Heat with Load |
±(0.5%﹢0.05Ω) |
0603:≤8mΩ |
40±2℃,90~95% R.H.,RCWV for 1000 hrs with 1.5 hrs“ON”and 0.5 hr “OFF” |
Ultra High Power* |
0805:≤5mΩ |
±(1.0%﹢0.05Ω) |
1206:≤5mΩ |
Dry Heat |
±(0.5%﹢0.05Ω) |
0603:≤8mΩ |
at﹢155℃ for 1000 hrs |
0805:≤5mΩ |
1206:≤5mΩ |
Bending Strength |
±(1.0%﹢0.05Ω) |
0603:≤8mΩ |
Bending once for 60 seconds 2010,2512 sizes:2mm Other sizes:3mm |
0805:≤5mΩ |
1206:≤5mΩ |
Solderability |
95% min.covrage |
245±5℃ for 3 seconds |
Resistance to Soldering Heat |
±(0.5%﹢0.05Ω) |
0603:≤8mΩ |
260±5℃ for 10 seconds |
0805:≤5mΩ |
1206:≤5mΩ |
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 |
Toal leaching area≤10% |
Rapid Change of Temperature |
±(0.5%﹢0.05Ω) |
0603:≤8mΩ |
—55℃ to ﹢ 155℃,5 cycles |
0805:≤5mΩ |
1206:≤5mΩ |