Stable Metal Plate Chip Resistor HDK LR20R005FE with Polyimide Coating and RoHS Directive Compliance

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Product Description

Product Overview

The LR20 type Current Detecting Metal Plate Chip Resistor is designed for precise current monitoring applications. It offers high reliability and stable performance across a wide operating temperature range, making it suitable for various electronic equipment.

Product Attributes

Brand: HOKURIKU ELECTRIC INDUSTRY CO.,LTD.
Origin: Japan (implied by manufacturer)
Material: Metal alloy for resistor element, Polyimide surface coat, Insulation painting overcoat, Copper electrode, Ni-under plated/Sn-surface plated terminal.
Certifications: RoHS directive compliant.

Technical Specifications

Item	Specification	Details
Ratings	Model No.	LR20R003FE
	Nominal Resistance	0.003
	Resistance Tolerance	Class F (1.0 %)
	Temperature Coefficient	100 ppm/
	Rated Ambient Temperature	70
	Operating Temperature Range	-55 to 150
Power	Rated Wattage	0.5 W (at ambient temperature from -55 to 70 )
Power	Derating Curve	Refer to Fig 1 for ambient temperatures above 70 .
Voltage	Rated Voltage	Determined by E=(PR) (D.C. or rms A.C. maximum voltage at ambient temperature from -55 to 70 )
Voltage	Dielectric Withstanding Voltage	100 V a.c., 1 min. (without breakdown)
Dimensions & Weight	Dimensions (L x W x H)	1.270.2 x 2.0320.2 x 0.350.2 mm (approximate based on diagram)
Dimensions & Weight	Weight	0.004 g (typical)
Characteristics & Test Method	Resistance Tolerance	1.0 % (Measurement current: 1 A, at 25 )
	Temperature Coefficient of Resistance	100 ppm/ (Standard temperature: 25 , Measured temperature: 150 )
	Short-Time Overload	Resistance change: 0.5 % (3 times rated power in 5 s)
	Insulation Resistance	Over 10⁹ (d.c.100 V15 V in 1 min.)
	Resistance to Soldering Heat	Resistance change: 0.5 % (Copper sheet temperature: 260 5 , Duration: 5 s0.5 s)
	Solderability	Over 95 % coverage (Solder temperature: 245 5 , Duration: 3 s0.5 s)
	Vibration	Resistance change: 0.5 % (Frequency range: 10 Hz to 55 Hz, Peak to peak amplitude: 1.5 mm, XYZ 3-direction each 2 h)
	Resistance to Solvent	No remarkable outward damage (Isopropyl alcohol, 60 s5 s)
	High Temp. Exposure	Resistance change: 2.0 % (Temperature: 150 2 , Bias load: 0 % power, Duration: 1000 h)
	Change of Temperature	Resistance change: 0.5 % (5 cycles of -55 / normal temp. / 150 / normal temp.)
	Moisture Resistance	Resistance change: 1.0 % (MIL-STD-202, method 106, 10 cycles)
	Bias Humidity	Resistance change: 1.0 % (Temperature: 85 2 , RH: 85 %, 10 %-bias load, 90 min. on/30 min. off, Duration: 1000 h)
Endurance (Rated Load)	Resistance change: 2.0 % (Temperature: 70 2 , 90 min. on/30 min. off, Duration: 1000 h)
Taping	Quantity	5000 pcs./reel
Packaging	Box Dimensions	180 x 190 mm (for 1 reel)