Molded Aluminum Shell Resistor Milliohm HoRX-250W-300mR-1% High Power Load with Silicone Copper Film
Product Overview
The RX series aluminum shell resistors from Shenzhen Moolee Electronics Co., Ltd. are designed for efficient heat dissipation through substrate mounting and heat absorption. Featuring a molded structure for environmental protection, these resistors offer a compact size with high power load capacity. Constructed with silicone-copper film molding, they provide excellent insulation properties and reliable operation. These resistors are suitable for various selection and application scenarios.
Product Attributes
- Brand: Moolee ()
- Manufacturer: Shenzhen Moolee Electronics Co., Ltd. ()
- Product Type: Aluminum Shell Resistor ()
- Series: RX
- Material: Silicone-copper film molded structure
- 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
Product Dimensions and Ratings
| Type | Rated Power 25 (W) (With heat sink) | Dimensions (mm) L x H x C | Standard Heat Sink (Aluminum) Surface Area (cm) | Weight (g) |
|---|---|---|---|---|
| RX 5 | 3 | 36.5 x 8 x 11.5 | 415 | 10 |
| RX 10 | 8 | 40.5 x 10 x 13.5 | 415 | 19.5 |
| RX 25 | 12.5 | 48 x 15.4 x 18 | 535 | 27 |
| RX 30 | 15 | 55 x 15.5 x 17.9 | 535 | 34 |
| RX 50 | 20 | 71 x 15.5 x 39.4 | 995 | 50 |
| RX 75 | 45 | 86.5 x 26 x 23.5 | 995 | 65.5 |
| RX 100 | 50 | 119 x 26 x 35 | 995 | 98 |
| RX 160 | 55 | 151 x 26 x 56 | 995 | 130 |
| RX 240 | 100 | 139 x 45 x 70 | 2780 | 100 |
| RX 200 | 100 | 135 x 45 x 35 | 3750 | 92 |
| RX 250 | 120 | 152 x 45 x 45 | 4765 | 112 |
| RX 300 | 150 | 170 x 45 x 51 | 5780 | 130 |
| RX 500 | 200 | 244 x 45 x 87 | 8500 | 204 |
Electrical Specifications
| Type | Rated Power 25 (W) (With heat sink) | Rated Power 25 (W) (Without heat sink) | Resistance Range () | Temperature Coefficient TCR (10/) | Resistance Tolerance (%) | Max Overload Voltage (V) |
|---|---|---|---|---|---|---|
| RX 5 | 3 | 10 | 0.01-1K | 20, 50, 100, 250 | F=1%, J=5% | 1000 |
| RX 10 | 8 | 25 | 0.01-1.5K | 2000 | ||
| RX 25 | 12.5 | 30 | 0.01-10K | |||
| RX 30 | 15 | 30 | 0.01-27K | |||
| RX 50 | 20 | 50 | 0.01-33K | |||
| RX 75 | 45 | 75 | 0.01-39K | |||
| RX 100 | 50 | 100 | 0.01-51K | |||
| RX 150 | 55 | 100 | 0.01-56K | |||
| RX 200 | 100 | 100 | 0.01-62K | 2500 | ||
| RX 250 | 120 | 250 | 0.01-75K | |||
| RX 300 | 150 | 300 | 0.01-75K | |||
| RX 500 | 200 | 500 | 0.01-82K |
Performance Data (Durability Test)
| 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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