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Wire Wound Wafer Resistor with Excellent Mechanical Performance Huaxing Mechanical-Elec RXM0207-51RJ

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Wire Wound Wafer Resistor with Excellent Mechanical Performance Huaxing Mechanical-Elec RXM0207-51RJ

Resistance : 51Ω

Operating Temperature : -55℃~+275℃

Type : Wirewound Resistor

Tolerance : ±5%

Description : 51Ω Wirewound Resistor ±5% MELF-0207 Chip Resistor - Surface Mount RoHS

Mfr. Part # : RXM0207-51RJ

Model Number : RXM0207-51RJ

Package : MELF-0207

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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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