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Specifications
Resistance:
39Ω
Operating Temperature:
-55℃~+275℃
Type:
Wirewound Resistor
Tolerance:
±5%
Mfr. Part #:
RXM0309-39RJ
Package:
MELF-0309
Key Attributes
Model Number:
RXM0309-39RJ
Product Description
Product Overview
The RXM series wire-wound wafer resistors are designed for applications including chargers, energy-saving lamps, and power supplies. These resistors feature an incombustible coating and are constructed with nickel-chrome or copper-nickel alloy wire. They offer a wide operating temperature range and are available in various sizes and power ratings.
Product Attributes
- Brand: SHENZHEN XIANYANG HUAXING MACHINERG & ELECTRONIC.CO;LTD
- Origin: China
- Material: Nickel Chrome or Copper-Nickel Alloy Wire
- Coating: Incombustible Paint (Grey)
- Certifications: UL1412 standard
Technical Specifications
| Item | Type | Specification | Description | Details |
| Product Type | RXM | Wire Wound Wafer Resistor | Wire wound wafer resistors are denoted by RXM. | |
| Rated Power | 0207 | 1/4W, 1/2WS | Rated power is the maximum load power value that can be continuously used at ambient temperatures below 70. | Derating applies above 70 per derating curve. |
| 0309 | 1/2W, 1WS, 2WSS | |||
| 0410 | 1W, 2WS | |||
| 0411 | 1W, 2WS, 3WSS | |||
| Nominal Resistance Value | E24 Series | 1 - 100 (for RXM) | Units are in Ohms (), based on JIS-C6402 (E-24 Series). | |
| Tolerance | F | 1% | Resistance tolerance at room temperature. | Measured by Bridge-method. |
| G | 2% | |||
| J | 5% | |||
| Dimensions (mm) | 0207 | L: 6.10.3, D Max: 2.5, D1 Max: 2.15, D2 Max: 2.6, S: 0.20.05, C: 1.20.1 | L: Total length with double caps, D: Painted thickness, D1: Total height of inner cap, D2: Total height of outer cap, S: Iron cap thickness, C: Outer cap width. | |
| 0309 | L: 8.90.3, D Max: 3.4, D1 Max: 2.95, D2 Max: 3.45, S: 0.20.05, C: 1.60.1 | |||
| 0410 | L: 100.5, D Max: 3.8, D1 Max: 3.5, D2 Max: 4.0, S: 0.250.05, C: 1.850.1 | |||
| 0411 | L: 110.5, D Max: 4.6, D1 Max: 4.05, D2 Max: 4.7, S: 0.250.05, C: 1.850.1 | |||
| Operating Temperature Range | -55 to 275 | |||
| Mechanical Performance | Terminal Tensile Strength | 2.5Kg | Resistor body must not detach or loosen when a static load of 2.5Kg is applied to the terminal for 10 seconds. | |
| Electrical Performance | DC Resistance | Within specified R value tolerance | Measured by DC resistance tester. | HM-9350 |
| Dielectric Strength Test | 300V for 60 seconds | No evidence of flashover, mechanical damage, or insulation breakdown. Resistance body placed in V-groove. | ||
| Solder Ability | 95% surface covered with new solder | Terminal surface area covered by new solder. | Immersion in tin stove at 27010 for 5s. | |
| Resistance to Soldering Heat | Within (1%+0.05) | Change in resistance after soldering heat exposure. | Immersion in tin stove at 2605 for 5~10s. | |
| Short Time Overload | Within (2%+0.05) | Test at 2.5 times rated power for 5s. | ||
| Load Life | Within (5%+0.05) | 1000 hours at 70 with rated voltage (90 min ON, 30 min OFF). | ||
| Resistance to Solvent | No deterioration of protective coating and markings | Immersion in thinner for 3 minutes. | ||
| Incombustibility | No evidence of flame | Complies with UL1412 standard. | ||
| Fusing Characteristic | Fusing time within 60s | Constant current of 2.20A. Fusing current = 16 * P * R. | ||
| Color Coding | Standard | 4-band code | Represents resistance value and tolerance. | See detailed color code chart in source. |
| Packaging | Reel Sizes | Various | Refer to packaging reel specifications for dimensions and quantities. | 0207: 2,000(7.0), 6,500(13); 0309: 2,500(13); 0410: 2,000(13); 0411: 1,500(13). |
2511041655_Huaxing-Mechanical-Elec--RXM0309-39RJ_C52268793.pdf
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