| Customization: | Available |
|---|---|
| Resistance: | Fixed Resistor |
| Function for Resistance: | Protective Resistor, Load Resistor |
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| Test Item | Test Condition | Performance |
Temperature Coefficient |
The resistance value at normal temperature & normal temperature added 100 ºC,and calculate per ºC resistance value change rate. | ±300 ppm/ºC |
Load life in heat |
Overload rated voltage or max working voltage(get the lower) for 1000 hours ( 1.5 hours on and half hour off)at the 40±2ºC and 90--95% relative humidity. | △R≤=(5%R.+0.05Ω) |
Short time overload |
According 10 times rated power to account the voltage or max overload voltage( get the lower )for 5 seconds | △R≤±(2%R.+0.05Ω) |
| Resistance to soldering heat | Immerge into the 350±10ºC tin stove for 2-3 seconds | △R≤±(1%R.+0.05Ω) |
Load life in humidity |
Overload rated voltage or max working voltage (get the lower) for 1000 hours ( 1.5 hours on and half hour off)at 40±2ºC &90-95% relative humidity. |
△R≤±(5%R.+0.052) |
| Solderability | Immerge into the 235±3 ºC tin stove for 2-3 seconds | The soldering area is over 95% |
Temperature cycling |
At-55ºC for 30 minutes,then at+25ºC for 10-15 minutes, then at +155ºC for 30 minutes, then at at+25ºC for 10-15 minutes,total 5 cycles | △R≤±(1%R.+0.05Ω |
Nonflammability |
Respectively load AC voltage by 5,10,16 times rated power for 5 minutes. | No visible flame |
| Terminal Strength | Pull:10N | △R≤±(2%R.+0.1Ω) |
| Vibration | Frequency: 10-15HZ .Swing:0.75mm,Test Time:6 hours | △R≤=(2%R.+0.1Ω) |
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It depends on the order quantity and the season you place the order.
Usually we can ship within 7-8 days for small quantity,and about 30 days for large quantity.
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