Metal Film MELF Resistor (Pulse withstanding)

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Metal Film MELF Resistor (Pulse withstanding)

The metal film MELF resistor is renowned for its exceptional high pulse withstand capability and remarkable stability. Its rated power covers a wide range from 0.16W to 0.5W, while the resistance values are precisely distributed within a broad spectrum from 0.1 ohms to 330K ohms, offering standard tolerance options of ±1%, ±2%, and ±5% to meet diverse application needs.

This resistor not only possesses outstanding thermal dissipation efficiency, ensuring stable operating temperatures even under high load conditions, but also adopts a reinforced mechanical structure design, demonstrating exceptional endurance against vibration and extreme thermal shock environments. These characteristics collectively ensure the reliability and durability of the metal film MELF resistor under various harsh operating conditions.

Power Rating At 70°C	Body Length (L, mm)	Cap Diameter (D1, mm)	Body Diameter (D2, mm)	Soldering Spot (B, mm)	Net Weight Per 1000 pcs
1/6W	3.52 ± 0.15	1.35 ± 0.1	D1+0.02/ -0.15	0.6 Min.	17 grams
1/4W	3.52 ± 0.15	1.35 ± 0.1	D1+0.02/ -0.15	0.6 Min.	17 grams
1/3W	5.90 ± 0.20	2.20 ± 0.1	D1+0.02/ -0.2	1.0 Min.	66 grams
1/2W	5.90 ± 0.20	2.20 ± 0.1	D1+0.02/ -0.2	1.0 Min.	66 grams

Power Rating At 70°C	Maximum Working Voltage	Maximum Overload Voltage	Minimum Resistance	Maximum Resistance	Resistance Tolerance	Available Resistance Values
1/6W	200V	400V	0.1Ω	100KΩ	±1% ±2%, ±5%	E-96 E-48/E-24
1/4W	200V	400V	0.1Ω	100KΩ	±1% ±2%, ±5%	E-96 E-48/E-24
1/3W	300V	500V	0.1Ω	330KΩ	±1% ±2%, ±5%	E-96 E-48/E-24
1/2W	300V	500V	0.1Ω	330KΩ	±1% ±2%, ±5%	E-96 E-48/E-24

Characteristics	Limits
Temperature Coefficient, PPM / °C°	±1%, ±2% ±5%
Operating Temperature Range, °C	-55 ~ +125
Insulation Resistance, MΩ	>10⁴
Tin Whisker (JESD201 Temperature Cycling & High Temp. / Humidity Storage), μm	<5
Failure Rate in Time, pcs / 10⁹ device hours	<1

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In addition to Metal Film MELF Resistor (Pulse withstanding), we also focus on the following resistors:

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