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Specifications
Resistance:
68Ω
Operating Temperature:
-55℃~+275℃
Type:
Wirewound Resistor
Tolerance:
±5%
Mfr. Part #:
RXM0309-68RJ
Package:
MELF-0309
Key Attributes
Model Number:
RXM0309-68RJ
Product Description
Wire Wound Chip Resistor (Double Cap)
The RXM series wire wound chip resistors are designed for use in chargers, energy-saving lamps, and power supplies. They are characterized by their incombustibility and coating, offering reliable performance in various electronic applications.
Product Attributes
- Brand: SHENZHEN XIANYANG HUAXING MACHINERG & ELECTRONIC.CO;LTD
- Origin: China
- Material: Nickel Chrome or Nickel Copper Alloy
- Coating: Incombustible Paint
- Certifications: UL1412
Technical Specifications
| Type | Specification Series | Rated Power (W) | Nominal Resistance Range () | Tolerance | Operating Temperature Range () | Dimensions (L x D) (mm) |
| RXM (Wire Wound Chip Resistor) | 0207 | 1/4W, 1/2WS | 1-100 | 1% (F), 2% (G), 5% (J) | -55 to 275 | 6.10.3 x 2.5 |
| RXM (Wire Wound Chip Resistor) | 0309 | 1/2W, 1WS, 2WSS | 1-100 | 1% (F), 2% (G), 5% (J) | -55 to 275 | 8.90.3 x 3.4 |
| RXM (Wire Wound Chip Resistor) | 0410 | 1W, 2WS, 3WSS | 1-100 | 1% (F), 2% (G), 5% (J) | -55 to 275 | 100.5 x 3.8 |
| RXM (Wire Wound Chip Resistor) | 0411 | 1W, 2WS, 3WSS | 1-100 | 1% (F), 2% (G), 5% (J) | -55 to 275 | 110.5 x 4.6 |
Electrical Performance
| Item | Specifications | Test Methods |
| DC Resistance | Allowed under R rate tolerance | (JIS C5202) |
| Dielectric Strength Test | No evidence of flashover, mechanical damage, or insulation breakdown | Resistance body placed in V-groove, use 300V voltage pressure 60 seconds |
| Solder ability | 95% Surface of terminal covered solder | Into the tin stove 27010, 5s |
| Resistance to soldering Heat | Within (1%+0.05) | Into the tin stove 2605, 5~10s |
| Short time over load | Within (2%+0.05) | 2.5 Times rated voltage for 5s |
| Load Life | Within (5%+0.05) | 70 1000h Rated voltage (90 min ON, 30 min OFF) |
| Resistance to solvent | No deterioration of protective coating and markings | Add thinner in 3min |
| Incombustibility | No evidence of flame | UL1412 standard |
| Fusing characteristic | Fusing time is within 60s | Constant current 2.20A, Fusing current = 16 * sqrt(Rated power) |
Mechanical Performance
| Item | Specifications |
| Terminal Tensile Strength | Fixing the resistor body, a static load of 2.5Kg is to be gradually applied into the terminal for 10 seconds without causing any looseness and fall. |
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--RXM0309-68RJ_C52268660.pdf
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