Industrial Aluminum Shell Resistor Milliohm HoRX-25W-200mR-5% Silicon Copper Film Molded Structure
Product Overview
The RX series aluminum shell resistor from Shenzhen Moolee Electronics Co., Ltd. is 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, these resistors are ideal for various industrial applications. Their design leverages heat absorption onto a substrate, ensuring good thermal performance and operational reliability. The product is suitable for a wide range of resistance values and power ratings, with specific parameters detailed below.
Product Attributes
- Brand: Moolee ()
- Manufacturer: Shenzhen Moolee Electronics Co., Ltd. ()
- Product Type: Aluminum Shell Resistor ()
- Series: RX
- Construction: Molded structure, Silicon-copper film molding
- Origin: China
Technical Specifications
Product Naming Convention
Product Number: RX [Power] [Tolerance] [Resistance Value]
Example: RX 100W 5% 20R
Tolerance Codes: F=1%, J=5%
Resistance Range: 0.01 ~ 82K
Power Range: 5W ~ 500W
Electrical Specifications
| Type | Rated Power 25 (W) (With Heat Sink) | Resistance Range () | Temperature Coefficient TCR (10/) | Resistance Tolerance (%) | Max Overload Voltage (V) |
|---|---|---|---|---|---|
| RX 5 | 3 | 0.01-1K | 20, 50, 100, 250 | F=1, J=5 | 1000 |
| RX 10 | 8 | 0.01-1.5K | - | - | - |
| RX 25 | 12.5 | 0.01-10K | - | - | 2000 |
| RX 30 | 15 | 0.01-27K | - | - | - |
| RX 50 | 20 | 0.01-33K | - | - | - |
| RX 75 | 45 | 0.01-39K | - | - | - |
| RX 100 | 50 | 0.01-51K | - | - | - |
| RX 150 | 55 | 0.01-56K | - | - | - |
| RX 160 | 100 | 0.01-62K | - | - | 2500 |
| RX 200 | 92 | 0.01-58K | - | - | - |
| RX 250 | 120 | 0.01-75K | - | - | - |
| RX 300 | 150 | 0.01-75K | - | - | - |
| RX 500 | 200 | 0.01-82K | - | - | - |
Product Dimensions and Weight (with standard aluminum heat sink)
| Type | Rated Power 25 (W) (With Heat Sink) | Dimensions (mm) (L x H x C) | Standard Heat Sink Weight (g) | Surface Area (cm) | Thickness (mm) | Mounting Hole Size |
|---|---|---|---|---|---|---|
| RX 5 | 5 | 36.5 x 8 x 8.5 | 415 | 10 | 3 | - |
| RX 10 | 10 | 40.5 x 10 x 11.2 | 415 | 6 | 2 | - |
| RX 25 | 25 | 48 x 15.4 x 14.3 | 535 | 11 | 2 | - |
| RX 30 | 30 | 55 x 15.5 x 16.3 | 535 | 18 | 2 | - |
| RX 50 | 50 | 71 x 15.5 x 16.3 | 995 | 30 | 2.2 | - |
| RX 75 | 75 | 86.5 x 26 x 27 | 995 | 3 | 3.5 | - |
| RX 100 | 100 | 119 x 26 x 27 | 995 | 16 | 3.5 | - |
| RX 150 | 150 | 151 x 26 x 27 | 995 | - | 3.5 | - |
| RX 160 | 100 | 139 x 45 x 46.5 | 2780 | 26 | 5 | M5 |
| RX 200 | 200 | 135 x 45 x 46.5 | 3750 | 26.5 | 5 | M6 |
| RX 250 | 250 | 152 x 45 x 46.5 | 4765 | 42 | 5 | M6 |
| RX 300 | 300 | 170 x 45 x 46.5 | 5780 | 48 | 5 | M6 |
| RX 500 | 500 | 244 x 45 x 46.5 | 8500 | 97 | 5 | M6 |
Durability Test Performance
| 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) | Room temperature rated power load 1000H |
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