Categories:wire wound resistors | 
●Product Features:
1.High power loading, good heat stability, and long using age.
2.Green non-inflame painting coated.
3.Temperature range:-55℃~+275℃.
4.Resistance tolerance：±5%、±10%.
●Dimensions and Voltage Perormance：
| A: |  |
| B: |  |
| Type | Rated Power | Dimension(mm) | Remarks | ||||||||
| D±2 | L±3 | T±3 | M±3 | S±2 | H±2 | >N±0.5 | R±0.5 | P±1 | |||
| RX20 | 10W | 28 | 40 | 80 | 58 | 13 | 40 | 6 | 3.5 | 4.5 | - |
| RX20 | 20W | 35 | 50 | 84 | 75 | 16 | 45 | 6 | 3.5 | 4.5 | - |
| RX20 | 25W | 35 | 50 | 90 | 75 | 20 | 47 | 6 | 3.5 | 4.5 | - |
| RX20 | 30W | 55 | 70 | 110 | 95 | 20 | 47 | 6 | 3.5 | 4.5 | - |
| RX20 | 40W | 75 | 90 | 130 | 118 | 20 | 47 | 6 | 3.5 | 4.5 | - |
| RX20 | 50W | 75 | 90 | 145 | 122 | 28 | 65 | 8 | 4.5 | 6.5 | - |
| RX20 | 80W | 125 | 140 | 195 | 172 | 28 | 65 | 8 | 4.5 | 6.5 | - |
| RX20 | 100W | 155 | 167 | 220 | 200 | 28 | 65 | 8 | 4.5 | 6.5 | - |
|
RX20 |
150W |
203 |
215 |
270 |
247 |
28 |
65 |
8 |
4.5 |
6.5 |
- |
|
RX20 |
200W |
250 |
267 |
320 |
300 |
28 |
65 |
8 |
4.5 |
6.5 |
- |
|
RX20 |
300W |
250 |
267 |
337 |
302 |
40 |
90 |
10 |
6.0 |
6.5 |
- |
|
RX20 |
400W |
312 |
330 |
398 |
365 |
40 |
90 |
10 |
6.0 |
6.5 |
- |
|
RX20 |
500W |
298 |
330 |
374 |
353 |
50 |
103 |
10 |
6.0 |
7.0 |
|
|
RX20 |
800W |
368 |
400 |
450 |
422 |
60 |
122 |
14 |
6.5 |
9.0 |
|
|
RX20 |
1000W |
398 |
430 |
480 |
452 |
60 |
122 |
14 |
6.5 |
9.0 |
|
|
RX20 |
2000W |
398 |
430 |
490 |
462 |
70 |
132 |
14 |
6.5 |
8.5 |
|
|
RX20 |
3000W |
398 |
430 |
490 |
457 |
80 |
145 |
14 |
8.0 |
8.5 |
|
|
RX20 |
4000W |
398 |
430 |
510 |
473 |
100 |
157 |
16 |
8.0 |
9.0 |
|
|
RX20 |
5000W |
510 |
540 |
620 |
583 |
100 |
157 |
16 |
8.0 |
9.0 |
|
Note: 1.We can make the resistors according to the requirements of CUSTOMER.
2.We can make the multi-resistance resistors, according the the requirements.
●Rated Power Derating Curve：
●Performance Test：
|
Item |
Test Condition |
Performance |
|
T.C.R. |
R0：The resistance of the Normal-temperature(T0); R1：The resistance of the Test-temperature(T1); |
±500PPM/℃ |
|
Overload in short time |
The voltage is 10 times rated power(max value is the max overload voltage), and the time is 5s. |
△R≤±（2%R+0.05Ω） |
|
Soldering Heat |
Put the tails to the 350±5℃ tin-heater container for 3s |
△R≤±（1%R+0.05Ω） |
|
Solderability |
Put the tails to the 235±5℃ tin-heater container for 5s |
soldering area>95% |
|
Temperature cycle |
5 cycle:from +25℃/15min, to +125℃/15min, then +25℃/15min, later -55℃/15min. |
△R≤±（1%R+0.05Ω） |
|
Durability of humidity |
Temperature:40±2℃, Humidity:90-95%, testing container;Load ratedvoltage or max working voltage, power-on for 1.5h, power-off for 0.5h, total cycle time is not less than 1000h. |
△R≤±（5%R+0.05Ω） |
|
Durability |
Temperature:70±2℃, Humidity:60-65%, testing container;Load ratedvoltage or max working voltage, power-on for 1h, power-off for 0.5h, total cycle time is not less than 1000h. |
△R≤±（5%R+0.05Ω） |
|
No inflame |
Load the 16 times rated power to the resistor for 5min. |
No fire, no flame |
●How to order
| RX20 | - | 500W | - | P/N | - | 100R | - | J |
| Product Name | Rated power | Special Code | Resistance | Tolerance | ||||
| Wire wound power resistor | 10W,20W,50W,
…. |
Requirements
Null:Default |
0R1=0.1Ω;
2R2=2.2Ω 10R=10Ω 10K=10KΩ |
F=±1%
J=±5% k=±10% |