FEATURES
■ Excellent anti- surge characteristics.
■ Stable characteristics of moisture resistance up to high resistance range.
■ Products meet EU-RoHS requirements.EU-RoHS regulation is not intended for Pb-glass contained in resistor element.
■ Automatic mounting machine is applicable by surface mounted device style lead forming.
■ Approved to UL、CQC、VDE.
■ Applications:?TVs、CRT displays
?Copy machines
?LBP LBPs
?VTR VTRs
?Switching power supplies
?AC adapters
?Induction cooker 、Electric pressure cooker
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.
DIMENSIONS
|
型號 |
功率 |
L±1 |
ΦD±0.5 |
φd±0.05 |
備注 |
|
RI81 |
0.25W |
9.8 |
3.5 |
0.55 |
Φ2580 |
|
0.5W |
11 |
4.0 |
0.65 |
Φ3*9 |
|
|
1W |
16.5 |
6.9 |
0.75 |
Φ5*16 |
|
|
RI82 |
1W |
12.5 |
4.0 |
0.75 |
Φ3*11 |
RATINGS
|
Type |
Rtated power(W) |
Resistance Range |
Resistance tolerance |
Max. Working |
Max. Overload |
Voltage Proof |
|
RI81 |
0.25W |
10K~1000MΩ |
±1%(F) |
DC1600V |
DC3200V |
600 |
|
0.5W |
DC3500V |
DC7000V |
750 |
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|
1W |
DC10000V |
DC20000V |
1000 |
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|
RI82 |
2W |
10K~1000MΩ |
DC5000V |
DC7000V |
1000 |
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 |
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|
Voltage Proof |
No,breakdown or flashover |
Wrapping foil method、applied voltage see above table、1 min±5S |
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|
Short Time Overload |
△R≤±（0.5%R+0.05Ω） |
RI81：2.5 times rated voltage、5S ON,45S OFF 10 cycles. |
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|
Solderability |
Over 95% of area wire covered with solder |
260±10℃、2±0.5S |
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|
Robustness of Terminations |
△R≤±（0.5%R+0.05Ω） |
Tensile:10N、10±1S Bending:2×90° Torsion:2×180° |
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|
Resistance to soldering heat |
△R≤±（0.5%R+0.05Ω） |
260±10℃、10±1S or 350±5℃ 3.5±0.5S |
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|
Rapid change temperature |
△R≤±(0.5%R+0.05Ω) |
-55±3℃、30min; 155±3℃、30min 5 cycles |
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|
Intermittent overload |
△R≤±(1.5%R+0.1Ω) |
2.5 times of rated voltage for 1S ON,25S OFF;1000 cycles. |
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|
Temperature Coefficient |
TCR≤±200PPM/℃ |
Room Temperature +100℃、and keep on 30～40min |
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|
Endurance |
△R≤±(1.5%R+0.1Ω) |
70±2℃、1000h，Rated direct voltage 1.5h ON、0.5h OFF cycles. |
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|
Unexpected overload |
Net-shaped tube dose not catch fire |
16、25 rated power voltage,keep on 5±0.5min； |
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Damp Heat Steady State |
△R≤±(1.5%R+0.1Ω) |
40±2℃、90～95%RH、56 days. |
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|
Anti-surge characteristics |
△R≤±（5%R+0.1Ω） |
Discharge test : According to the following table applied voltage， Charging for 4.5 S and discharge for 0.5 S, for 50 times impact test.
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