Dongguan Ampfort Electronics Co., Ltd.
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Chassis Mount Heatsink Aluminum Housed Wirewound Power Resistor RX24 25W 6Ohm
● Application Of The Aluminum Housed Wirewound Power Resistor RX24 25W 6Ohm
Widely used in Inverters,Automation equipment,Acoustics,Prescaler,Aging Power testing,Auto accessories, Auto LED industry.
* Testing power supply
* Frequency converter
* Automobile LED lamp
* Automation equipment
* Audio
* Frequency divider
* Servo industry and other harsh industrial control environment
● Advantages Of The Aluminum Housed Wirewound Power Resistor RX24 25W 6Ohm
* Stronger heat resistance
* Higher temperature resistance
* Moisture resistance
* High anti-vibration and explosion protection
● Mateirals Of The Aluminum Housed Wirewound Power Resistor RX24 25W 6Ohm
1. Encapsulant: S: Silicone, C: Cement; End caps: Stainless steel.
2. Core: Ceramic steatite or alumina.
3. Housing: Aluminum with hard anodic coating.
4. Element: Copper-nickel alloy, nickel-chrome alloy or manganese copper.
● Features Of The Aluminum Housed Wirewound Power Resistor RX24 25W 6Ohm
1.Packing with Aluminum case. Good heat control. Fittable with cooling system. For every kind of environment.
2.Small size, and high power load.
3.High-insulation. Non-flame inorganic material. Good condition in vibration.
4.Multi-connect-form, easy to fix.
5.Widely used by Power-Supply, Inverter/Transducer, Elevator/Lift, Audio-system, and High-precision equiremetn.
6.Toleracne: F(±1%),G(±2%),J(±5%),K(±10%)
1. High power rating,small size and ultra precision;High stability,strong construction. 2. The colours (golden yellow,red, silver)are available. 3.Standard Terminals: 5~200W Tinned terminals, 100~500W Threaded terminals;The ends connected with wires or terminal blades follow customer requirement. 4.Standard winding & non-inductive winding available.When required add "N" to the part number. 5.For non-standard technical requirements and custom special applications, please contact us to discuss the details. 6.Delivery:5-7days. 7. Conforms to the ROHS standard and the LEAD-FREE non-lead standard.
● Dimensions and Voltage Perormance Of The Aluminum Housed Wirewound Power Resistor RX24 25W 6Ohm
| Type | Power | Resistance (Ω) | Dimensions(mm) | ||||||||
| L±1.0 | W±1.0 | H±1.0 | T±5 | M±1 | K±5.0 | B±1.0 | D±0.5 | C±0.5 | |||
| RX24 | 75W | 0.1~100K | 66 | 48 | 26 | 100 | 47 | 37 | M4 | 4.5 | 4.5 |
| RX24 | 100W | 0.1~100K | 98 | 48 | 26 | 135 | 70 | 37 | M4 | 4.5 | 4.5 |
| RX24 | 150W | 0.1~100K | 130 | 48 | 26 | 170 | 104 | 37 | M4 | 4.5 | 4.5 |
| RX24 | 200W | 0.1~100K | 92 | 73 | 45 | 150 | 70 | 58 | M6 | 5.5 | 5 |
| RX24 | 300W | 0.1~100K | 130 | 73 | 45 | 185 | 102 | 58 | M6 | 5.5 | 5 |
| RX24 | 500W | 0.1~100K | 204 | 73 | 45 | 260 | 174 | 58 | M6 | 5.5 | 5 |
● Electricity Performance Permeters Of The Aluminum Housed Wirewound Power Resistor RX24 25W 6Ohm
| Power | Resistance | Voltage parameter(VAC) | ||
| Max. Working voltage | Max. Overload voltage | Withstands voltage | ||
| 75W | 0.1~100K | 350V | 350V | 500V |
| 100W | 0.1~100K | 350V | 350V | 500V |
| 150W | 0.1~100K | 350V | 350V | 500V |
| 200W | 0.1~100K | 350V | 350V | 500V |
| 300W | 0.1~100K | 350V | 350V | 500V |
| 500W | 0.1~100K | 350V | 350V | 500V |
● Test Performance Of The Aluminum Housed Wirewound Power Resistor RX24 25W 6Ohm
| Test Item | Test Condiion | Test Standard |
| TCR | Test the resistance value changing-rate per degree | ±300PPM/℃ |
| Overload in 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 | The solder area coverage is more than 95% |
| 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 for 30s | △R≤±(2%R+0.1Ω) |
| Vibration | △R≤±(2%R+0.1Ω) | |
| Inflammability | With the 5/10/16 times rated power for 5mins | No obvious flame |