FEATURES
■ Products meet EU-RoHS requirements.
■ Low resistance.
■ Approved to CQC
DERATING CURVE
For resistors operated at an ambient temperature of 70oC or above, a power rating shall be derated in accordance with the above derating curve.
MAIN PARAMETER
|
Type |
Rtated power(W) |
Resistance Range |
Resistance tolerance |
Dimension（mm） |
Remark |
||||
|
D±0.5 |
L±1.0 |
d±0.1 |
|
||||||
|
KNP/NKNP |
0.25W |
0.5WS |
0.01-20 |
0.01-20 |
±5% |
6.5 |
2.5 |
0.45 |
|
|
KNP/NKNP |
0.5W |
1WS |
0.01～68 |
0.01～68 |
3.5 |
9.5 |
0.50 |
|
|
|
KNP/NKNP |
1W |
2WS |
0.01～100 |
0.01～100 |
4.5 |
11.5 |
0.60 |
|
|
|
KNP/NKNP |
2W |
3WS |
0.01～200 |
0.01～150 |
5.0 |
15.5 |
0.75 |
|
|
|
KNP/NKNP |
3W |
5WS |
0.01～680 |
0.01～200 |
6.0 |
17.5 |
0.75 |
|
|
|
KNP/NKNP |
5W |
7WS |
0.01～750 |
0.01～470 |
8.0 |
24.0 |
0.75 |
|
|
Rated Ambient Temperature ：+70℃
Operating Temperature Range：-55℃～+155℃
Rated voltage = √Power Rating×Resistance value or Max. working voltage, whichever is lower.
ELECTRICAL PERFORMANCE
|
Test Items |
Performance Requirements |
Test Methods |
|
Short Time Overload |
△R≤±（1%R+0.05Ω） |
2.5 times rated voltage、5S |
|
Solderability |
Over 95% of area wire covered with solder |
260±10℃、2±0.5S |
|
Robustness of Terminations |
△R≤±（1%R+0.05Ω） |
Tensile:10N、10±1S Bending:2×90° Torsion:2×180° |
|
Resistance to soldering heat |
△R≤±（1%R+0.05Ω） |
260±10℃、10±1S or 350±5℃ 3.5±0.5S |
|
Rapid change temperature |
△R≤±(1%R+0.05Ω) |
-55±3℃、30min; 155±3℃、30min 5 cycles |
|
Temperature Coefficient |
TCR≤±250PPM/℃ |
Room Temperature +100℃、and keep on 30～40min |
|
Endurance |
△R≤±(5%R+0.1Ω) |
70±2℃、1000h，Rated direct voltage 1.5h ON、0.5h OFF cycles. |
|
Damp Heat Steady State |
△R≤±(5%R+0.1Ω) |
40±2℃、90～95%RH、56 days. |
