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Specifications
Resistance:
51Ω
Operating Temperature:
-55℃~+275℃
Type:
Wirewound Resistor
Tolerance:
±5%
Mfr. Part #:
RXM0207-51RJ
Package:
MELF-0207
Key Attributes
Model Number:
RXM0207-51RJ
Product Description
Product Overview
The RXM series wire-wound wafer resistors are designed for applications in chargers, energy-saving lamps, and power supplies. They feature an incombustible coating and are constructed with nickel-chrome or copper-nickel alloy wire. These resistors offer a wide operating temperature range and excellent electrical and mechanical performance.
Product Attributes
- Brand: SHENZHEN XIANYANG HUAXING MACHINERG & ELECTRONIC.CO;LTD
- Origin: China
- Material: Nickel Chrome or Copper-Nickel Alloy Wire, Incombustible Coating
- Color: Grey (Body Coating)
- Certifications: UL1412 (for Incombustibility)
Technical Specifications
| Type | Series | Rated Wattage | Nominal Resistance Range | Tolerance | Dimensions (L x D) mm | Operating Temperature Range |
| Wire Wound Wafer Resistor | RXM | 1/4W, 1/2W, 1W, 2W, 3W | 1 - 100 | 1% (F), 2% (G), 5% (J) | 0207: 6.1 x 2.5 0309: 8.9 x 3.4 0410: 10 x 3.8 0411: 11 x 4.6 | -55275 |
Mechanical Performance
| Item | Specification | Test Method |
| Terminal Tensile Strength | 2.5Kg for 10 seconds without looseness or fall | Resistor body fixed, load applied axially to terminal |
Electrical Performance
| Item | Specification | Test Method |
| DC Resistance | Within allowed R rate tolerance | HM-9350 |
| Dielectric Strength Test | No flashover, mechanical damage, or insulation breakdown. Applied 300V for 60s. | Resistance body in V-groove |
| Solder Ability | 95% of terminal surface covered with new solder | Immersion in 27010 tin for 5s |
| Resistance to Soldering Heat | Within (1%+0.05) | Immersion in 2605 tin for 5-10s |
| Short Time Overload | Within (2%+0.05) | 2.5x rated power for 5s |
| Load Life | Within (5%+0.05) | 70, 1000h (90min ON, 30min OFF) at rated voltage |
| Resistance to Solvent | No deterioration of protective coating and markings | Immersion in thinner for 3 min |
| Incombustibility | No evidence of flame | UL1412 standard |
| Fusing Characteristic | Fusing time within 60s | Constant current 2.20A, Fusing current = 16 x P x R |
Color Coding
| Color | 1st Significant Digit | 2nd Significant Digit | Multiplier | Tolerance |
| Black | 0 | 0 | 100 | |
| Brown | 1 | 1 | 101 | 1% (F) |
| Red | 2 | 2 | 102 | 2% (G) |
| Orange | 3 | 3 | 103 | |
| Yellow | 4 | 4 | 104 | |
| Green | 5 | 5 | 105 | |
| Blue | 6 | 6 | 106 | |
| Violet | 7 | 7 | 107 | |
| Grey | 8 | 8 | 108 | |
| White | 9 | 9 | 109 | |
| Gold | 10-1 | 5% (J) | ||
| Silver | 10-2 | 10% (K) |
2511041655_Huaxing-Mechanical-Elec--RXM0207-51RJ_C52268655.pdf
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