Categories:Aluminum shell power resistors, metal shell power resistors | 
● Features
1.Al-container, with good performance in heat radiation, suitable for cooling plate installation, used in the atrocious conditions for long time.
2.Small size, high load power.
3.High insulating, good performance in vibration.
4.Multi-connection methods, easy to be fixed.
5.Widely used by Power-supply, Inverter/Transducer, Elevator/Lift, Audio-industry, high-precision-equipment, and so on.
6.Resistance value tolerance：F(±1%)、G(±2%)、J(±5%)、K(±10%).
●Dimensions and Voltage Perormance
| Type | Power | Dimensions | ||||||
| L±1.5 | W±1.0 | H±1.0 | A±2.0 | C±1 | D±0.5 | R±0.5 | ||
| RX24 | 10W | 15.5 | 16 | 8.5 | 25 | 12 | 2.5 | 5.5 |
| RX24 | 20W | 20 | 21 | 10 | 35 | 16 | 2.5 | 6 |
| RX24 | 30W | 34 | 29 | 15.5 | 55 | 21.5 | 3.5 | 11 |
| RX24 | 40W~50W | 50 | 29 | 15.5 | 70 | 21.5 | 3.5 | 11 |
●Rated Power Derating Curve：
●Performance Test：
|
Test Items |
Test Conditions |
Standard or Performance |
|
TCR |
Test the resistance value changing-rate per degree |
±350PPM/℃ |
|
Overload of short time |
With 10 times rated power or max working voltage(Lower value), for 5s |
△R≤±（2%R±0.05Ω） |
|
Sn-heat |
In the Sn-tin of 350±10℃for 3s |
△R≤±（1%R±0.05Ω） |
|
Solderability |
In the Sn-tin of 235±10℃for 3s |
焊锡面积覆盖率95%以上 |
|
Temprature Cycle |
Under the 5 cycles of the -55℃ for 30 min, 25℃ for 15 min, and the 155℃ for 30 min |
△R≤±（1%R±0.05Ω） |
|
Aging of Humidity |
In the box of 40±2℃ and 90-95% humidity, with rated voltage or Max Working Voltage(Lower Value), total time 1000 hours(ON-1.5H, OFF-0.5H) |
△R≤±（5%R±0.05Ω） |
|
Aging of Rated power |
In the 70±2℃ test box，With the rated powr or max working voltage(Lower value), total time 1000hours(ON-1.5H, OFF-0.5H) |
△R≤±（5%R±0.05Ω） |
|
Strength of Tail |
Pull：20N, 30s |
△R≤±（2%R±0.1Ω） |
|
Vibration |
|
△R≤±（2%R±0.1Ω） |
|
Inflammability |
With the 5/10/16 times rated power for 5mins |
No fire |
●How to order
| RX24 | - | 50W | - | S | - | 100R | - | J |
| Product Type | Rated Power | Special Code | Resistance | Tolerance | ||||
| RX24 | 5W 10W 20W 30W 40W 50W |
N:default type; S:small volumn; … |
0.1~100K | F(±1%) G(±2%) J(±5%) K(±10%) |