Product Overview
The RX series aluminum shell resistors from Shenzhen Moolee Electronics Co., Ltd. are designed for applications requiring efficient heat dissipation and high power handling in a compact form factor. Featuring a molded structure for environmental protection and excellent insulation properties due to silicon-copper film molding, these resistors offer reliable operation and good heat absorption when mounted on a substrate. They are suitable for a wide range of power ratings and resistance values, making them a versatile choice for various industrial applications.
Product Attributes
- Brand: Moolee ()
- Origin: Shenzhen, China
- Product Type: Aluminum Shell Resistor
- Series: RX
- Structure: Molded structure, Silicon-copper film molding
- Mounting: Substrate mounting with heat absorption
Technical Specifications
Product Name: Aluminum Shell Resistor
Product Model Structure: RX [Power]W [Tolerance] [Resistance Value]
Manufacturer: Shenzhen Moolee Electronics Co., Ltd.
General Specifications
| Feature | Description |
| Resistance Range | 0.01 ~ 82K |
| Power Range | 5W ~ 500W |
| Tolerance Options | F=1%, J=5% |
| Temperature Coefficient (TCR) | 20, 50, 100, 250 (10/) |
| Max Overload Voltage | 1000V - 2500V (Model Dependent) |
| Operating Temperature | -55 ~ +155 (for temperature change tests) |
| Durability Test Requirements | Solderability, Terminal tensile strength, Overload, Resistance with temperature, Soldering heat, Shock, Vibration, Surface temperature rise, Damp heat, Load Life |
Model & Dimension Details (25 with heat sink)
| Type | Rated Power (W) | Dimensions (mm) L x H x C | Standard Heat Sink (Aluminum) Surface Area (cm) | Weight (g) |
| RX 5 | 3 (with heat sink) | 36.5 x 8 x 8.5 | 415 | 10 |
| RX 10 | 8 (with heat sink) | 27 x 15.4 x 14.3 | 415 | 25 |
| RX 25 | 12.5 (with heat sink) | 48 x 15.4 x 14.3 | 535 | 18 |
| RX 30 | 15 (with heat sink) | 55 x 15.5 x 16.3 | 535 | 18 |
| RX 50 | 20 (with heat sink) | 71 x 15.5 x 16.3 | 995 | 30 |
| RX 75 | 45 (with heat sink) | 86.5 x 26 x 27 | 995 | 3 |
| RX 100 | 50 (with heat sink) | 119 x 26 x 27 | 995 | 16 |
| RX 150 | 55 (with heat sink) | 151 x 26 x 27 | 995 | 24 |
| RX 200 | 100 (with heat sink) | 135 x 45 x 46.5 | 2780 | 265 |
| RX 250 | 120 (with heat sink) | 152 x 45 x 46.5 | 3750 | 420 |
| RX 300 | 150 (with heat sink) | 170 x 45 x 46.5 | 5780 | 580 |
| RX 500 | 200 (with heat sink) | 244 x 45 x 46.5 | 8500 | 970 |
Electrical Specifications
| Type | Rated Power 25 (W) (with heat sink) | Rated Power 25 (W) (without heat sink) | Resistance Range () | Resistance Tolerance (%) |
| RX 5 | 3 | 10 | 0.01-1K | J=5% |
| RX 10 | 8 | 10 | 0.01-1.5K | J=5% |
| RX 25 | 12.5 | 25 | 0.01-10K | F=1%, J=5% |
| RX 30 | 15 | 30 | 0.01-27K | F=1%, J=5% |
| RX 50 | 20 | 50 | 0.01-33K | F=1%, J=5% |
| RX 75 | 45 | 75 | 0.01-39K | F=1%, J=5% |
| RX 100 | 50 | 100 | 0.01-51K | F=1%, J=5% |
| RX 150 | 55 | 150 | 0.01-56K | F=1%, J=5% |
| RX 200 | 100 | 200 | 0.01-58K | F=1%, J=5% |
| RX 250 | 120 | 250 | 0.01-75K | F=1%, J=5% |
| RX 300 | 150 | 300 | 0.01-75K | F=1%, J=5% |
| RX 500 | 200 | 500 | 0.01-82K | F=1%, J=5% |
Durability Test Performance
| Test Item | Specifications | Test Method |
| Solderability | Solder can free flow and lead wet | 2355, 2S groove welding method |
| Terminal 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 |
| Shock | R (1%R+0.05) | Acceleration 490m/s, 11ms, 18 times |
| Vibration | 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) | Room temperature rated power load, 1000H |
