Product Overview
The RX series aluminum shell resistors from Shenzhen Moolee Electronics Co., Ltd. are designed for applications requiring excellent heat dissipation and high power handling in a compact form factor. Featuring a molded structure for environmental protection and good insulation properties due to silicon copper film molding, these resistors offer high reliability in operation. They are ideal for applications where heat absorption onto a substrate is utilized for efficient cooling.
Product Attributes
- Brand: Moolee ()
- Manufacturer: Shenzhen Moolee Electronics Co., Ltd. ()
- Product Type: Aluminum Shell Resistor ()
- Series: RX
- Material: Aluminum Shell, Silicon Copper Film
- Structure: Molded, with environmental protection
- Origin: China
Technical Specifications
Product Naming Convention
Product Name: Aluminum Shell Resistor ()
Product Number Format: RX [Power]W [Tolerance] [Resistance Value]
Example: RX 100W 5% 20R
Tolerance Codes: F = 1%, J = 5%
Resistance Range: 0.01 ~ 82K
Power Range: 5W ~ 500W
Dimensions and Physical Characteristics
Note: Dimensions are provided for models with a standard aluminum heatsink.
| Type | Rated Power 25 (W) (with heatsink) | Dimensions (mm) L | Dimensions (mm) H | Dimensions (mm) C | Dimensions (mm) I | Dimensions (mm) I1 | Dimensions (mm) M | Dimensions (mm) N | Dimensions (mm) 2 | Dimensions (mm) k | Surface Area (cm) | Thickness (mm) | Weight (g) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RX 5 | 5 | 15.5 | 16 | 36.5 | 8 | 8.5 | 11.5 | 12.5 | 4.4 | 1.5 | 1.2 | 1.3 | 415 |
| RX 10 | 10 | 19.5 | 21 | 40.5 | 10 | 11.2 | 13.5 | 16.5 | 5 | 2 | 2.2 | 415 | |
| RX 25 | 25 | 28 | 27 | 48 | 15.4 | 14.3 | 18 | 19.3 | 7 | 2 | 3.4 | 2 | 535 |
| RX 30 | 30 | 34 | 29 | 55 | 15.5 | 16.3 | 17.9 | 22 | 7.3 | 2 | 2 | 2.2 | 535 |
| RX 50 | 50 | 50 | 29 | 71 | 15.5 | 16.3 | 39.4 | 22 | 7.3 | 2 | 3 | 2.2 | 995 |
| RX 75 | 75 | 65.5 | 48 | 86.5 | 26 | 27 | 23.5 | 37 | 11.5 | 3.5 | 3 | 995 | |
| RX 90 | 90 | 98 | 48 | 119 | 26 | 27 | 35 | 37 | 11.5 | 3.5 | 3 | 995 | |
| RX 100 | 100 | 89 | 71.5 | 139 | 45 | 46.5 | 70 | 57.2 | 19.6 | M5 | 2780 | ||
| RX 150 | 150 | 130 | 48 | 151 | 26 | 27 | 56 | 37 | 11.5 | 3.5 | 3 | 995 | |
| RX 200 | 200 | 92 | 73 | 135 | 45 | 46.5 | 35 | 58 | 21 | 5 | M6 | 3750 | |
| RX 250 | 250 | 112 | 73 | 152 | 45 | 46.5 | 45 | 58 | 21 | 5 | M6 | 4765 | |
| RX 300 | 300 | 130 | 73 | 170 | 45 | 46.5 | 51 | 58 | 21 | 5 | M6 | 5780 | |
| RX 500 | 500 | 204 | 73 | 244 | 45 | 46.5 | 87 | 58 | 21 | 5 | M6 | 8500 |
Electrical Specifications
| Type | Rated Power 25 (W) (with heatsink) | Rated Power 25 (W) (without heatsink) | Resistance Range () | Temperature Coefficient TCR (10/) | Resistance Tolerance (%) | Max Overload Voltage (V) |
|---|---|---|---|---|---|---|
| RX 5 | 5 | 3 | 0.01-1K | 20, 50, 100, 250 | F=1, J=5 | 1000 |
| RX 10 | 10 | 8 | 0.01-1.5K | F=1, J=5 | 2000 | |
| RX 25 | 25 | 12.5 | 0.01-10K | F=1, J=5 | ||
| RX 30 | 30 | 15 | 0.01-27K | F=1, J=5 | ||
| RX 50 | 50 | 20 | 0.01-33K | F=1, J=5 | ||
| RX 75 | 75 | 45 | 0.01-39K | F=1, J=5 | ||
| RX 100 | 100 | 50 | 0.01-51K | F=1, J=5 | ||
| RX 150 | 150 | 55 | 0.01-56K | F=1, J=5 | ||
| RX 200 | 200 | 100 | 0.01-62K | F=1, J=5 | 2500 | |
| RX 250 | 250 | 120 | 0.01-75K | F=1, J=5 | ||
| RX 300 | 300 | 150 | 0.01-75K | F=1, J=5 | ||
| RX 500 | 500 | 200 | 0.01-82K | F=1, J=5 |
Performance and Durability Test Results
| Test Item | Specifications | Test Method |
|---|---|---|
| Solderability | Solder can free flow and lead wet | 2355, 2S groove welding method |
| Terminil tensile strength | R (1%R+0.05) | 40N |
| Overload | R (1%R+0.05) | 5P, 5S |
| Resistance with temperature | R (1%R+0.05) | -55~+155, Five cycles |
| Sold heat | R (1%R+0.05) | 35010, 3.50.5S |
| Shook | R (1%R+0.05) | Acceleration 490m/s, 11ms, 18 times |
| Vibratious | R (1%R+0.05) | Frequency 10-50Hz, acceleration 98m/s, 6H |
| Surface temperature Rise | 275 VR | |
| Damp heat, steady state | R (5%R+0.05) | Temperature 402, Humidity 933%, 21 days |
| Load Life | R (5%R+0.05) | Rated power load at room temperature for 1000H |
2203300930_Milliohm-HoRX-10W-30R-1-_C2985677.pdf
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