CRX Digital Aluminum Housed Wire Wound Variable Power Resistors
Boat Type Aluminum Housed Wirewound Resistors(CRX)
Features
1,Aluminum crust surface with good performance in heat radiation, suitable for cooling plate installation, can be used in the atrocious environment.
2,Small size, high power load.
3,High insulating capacity, encapsulation by non-flame inorganic Material, good performance in vibration
4,Multi connection form will be easily to fix.
5,Widely used in power supply, transducer, elevator, arena audio and high requirement equipment industry.
6,Resistance tolerance:±1%, ±2% ±5%, ±10%
Power:50W,100W,150W
Tolerance: ±1%, ±2% ±5%, ±10%
Range:1R-100K
Description | Power | Tolerance | Range |
LRX Gold Aluminum Housed Wire-wound Resistors | 5W,10W,25W,30W,50W,75W,100W,150W,200W,300W,500W | ±1% ±5% ±10% | 1R-100K |
TRX Trapezium Aluminum Housed Wire-wound Resistors | 40W 60W 80W 100W 120W,150w,200w,300w,400w,500w,600w,800w,1000w | ±1% ±5% ±10% | 1R-100K |
CRX Boat Type Aluminum Housed Wire-wound Resistors | 50W 100W 150W | ±1% ±5% ±10% | 1R-100K |
Specifications and Dimensions:
Part No. | Power | Resistance range | Dimensions(mm) | Max. working Voltage | Max. overload Voltage | Withstand Voltage | ||||||||
L1±1 | L2±1 | L3±10 | W±1 | W1±0.5 | H±1 | d1±0.5 | d2±0.2 | φ±0.5 | ||||||
CRX50B | 50W | 0R1-9K | 100 | 90 | 200 | 30 | 4.5 | 14 | 4.5 | 2.51 | 6 | 300V | 300V | 450V |
CRX60B | 60W | 0R1-9K | 100 | 90 | 200 | 30 | 4.5 | 14 | 4.5 | 2.51 | 6 | 300V | 300V | 450V |
CRX80B | 80W | 0R1-19K | 130 | 118 | 200 | 42 | 6 | 20 | 6 | 3.44 | 6 | 400V | 400V | 600V |
CRX100 | 100W | 0R1-19K | 130 | 118 | 200 | 42 | 6 | 20 | 6 | 3.44 | 6 | 400V | 400V | 600V |
CRX120 | 120W | 0R1-32K | 182 | 172 | 200 | 42 | 6 | 20 | 6 | 3.44 | 6 | 500V | 500V | 750V |
CRX150 | 150W | 1R0-32K | 182 | 172 | 200 | 42 | 6 | 20 | 6 | 3.44 | 6 | 500V | 500V | 750V |
CRX220 | 220W | 0R1-49K | 230 | 220 | 200 | 60 | 4.5 | 20 | 4.5 | 3.44 | 6 | 600V | 600V | 900V |
Performance Test:
Test Item | Test Condition | Performance |
Temperature coefficient | Test the resistance value at normal temperature added 100℃,calculate per ℃ resistance value rate. | ±300ppm/℃ |
Short time overload | According 10 times rated voltage or max .overload voltage (get the lower)for 5 seconds. | ΔR≤±(2%R0+0.05Ω) |
Resistance to soldering heat | Immerge into the 350±10℃ tin stove for 2~3 seconds. | ΔR≤±(1%R0+0.05Ω) |
Solderability | Immerge into the 245±3℃ tin stove for 2~3 seconds. | The area of soldering is over 95% |
Temperature cycling | At -55℃ for 30 min,then at +25℃ for 10~15 min,then at +275℃ for 30 min,then at +25℃ for 10~15min, total 5 cycles. | ΔR≤±(1%R0+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-hours off) at the 40±2℃ and 90~95% relative humidity. | ΔR≤±(5%R0+0.05Ω) |
Load life in heat | Overload rated voltage or Max. working voltage(get the lower)m for 1000 hours (1.5 hours on and half-hours off) at the 70±2℃. | ΔR≤±(5%R0+0.05Ω) |
Terminal strength | Pull:10N | ΔR≤±(2%R0+0.1Ω) |
Vibration | Frequency:10~55Hz,Swing:0.75mm,Test time:6Hours | ΔR≤±(2%R0+0.1Ω) |
Nonflammability | Respectively load AC voltage by5,10,16 times rated power for 5 min. | No visible flame |
Part No. Regulation:
CRX | 50B | J | 0 | C0A5 | 10R00 |
Product Name | Power | Tol. | Special Code | Forming | Ohm |
Boat Type Aluminum Housed Wirewound Resistors | 50B=50W 100=100W 150=150W | F=±1% G=±2% J=±5% K=±10% |
| 60W:C0A5 100W-220W:C0A8 | 0R100=0.1Ω 0R220=0.22Ω 10R00=10Ω 10K00=10KΩ |