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 |
2203300930_Milliohm-HoRX-250W-300mR-1-_C2985702.pdf
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