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Specifications
Resistance:
20Ω
Operating Temperature:
-55℃~+275℃
Type:
Wirewound Resistor
Tolerance:
±5%
Mfr. Part #:
RXM0309-20RJ
Package:
MELF-0309
Key Attributes
Model Number:
RXM0309-20RJ
Product Description
Product Overview
This product specification sheet details the RXM series of wire-wound wafer resistors with a double cap. These resistors are designed for applications in chargers, energy-saving lamps, and power supply units, offering incombustible coating and reliable performance. They are manufactured by Shenzhen Xianyang Huaxing MachinERG & Electronic Co., Ltd. and Foshan Huaxin Electronics Co., Ltd.
Product Attributes
- Brand: SHENZHEN XIANYANG HUAXING MACHINERG & ELECTRONIC.CO;LTD
- Origin: China
- Material: Nickel Chrome or Nickel Copper Alloy Wire
- Coating: Incombustible Paint (Grey)
- Certifications: UL1412 standard (for Incombustibility)
Technical Specifications
| Type | Series | Rated Wattage | Nominal Resistance Range | Tolerance | Operating Temperature Range | Dimensions (L x D) mm |
| Wire Wound Wafer Resistor (Double Cap) | RXM | 1/4W, 1/2W, 1W, 2W, 3W | 1 - 100 | 1% (F), 2% (G), 5% (J) | -55275 | 0207: 6.1 x 2.5 0309: 8.9 x 3.4 0410: 10 x 3.8 0411: 11 x 4.6 |
| Item | Specification | Test Method |
| Resistance Value | Within specified R value tolerance | DC Resistance (JIS C5202) |
| Dielectric Strength Test | No evidence of flashover, mechanical damage, or insulation breakdown (300V for 60s) | Resistance body in V-groove |
| Solderability | 95% of terminal surface covered with new solder | Immersion in 27010 tin bath for 5s |
| Resistance to Soldering Heat | Within (1%+0.05) | Immersion in 2605 tin bath for 5~10s |
| Short Time Overload | Within (2%+0.05) | 2.5 times rated power for 5s |
| Load Life | Within (5%+0.05) | 70, 1000 hours (90 min ON, 30 min 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) |
| Terminal Tensile Strength | No looseness or fall | 2.5Kg static load applied for 10s |
2511041655_Huaxing-Mechanical-Elec--RXM0309-20RJ_C52268673.pdf
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