China Flat Terminal Ceramic Current Sensing Resistor CTS 73L3R27J for Industrial and Power Supply Circuits for sale

Flat Terminal Ceramic Current Sensing Resistor CTS 73L3R27J for Industrial and Power Supply Circuits

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Product Description

73Lx & 73Ex Series Current Sensing Resistor Flat Terminal Chip

The 73Lx & 73Ex Series Current Sensing Resistors are ceramic packaged devices designed for accurate current detection and limiting. They offer excellent electrical and thermal characteristics, making them suitable for a wide range of applications including regulated battery circuits, motor control, power supplies, and industrial equipment.

Product Attributes

Brand: CTS Corporation
Construction: Thick Film
Terminal Finish: Matte Tin (e3)
Certifications: RoHS Compliant in Accordance with EU Directive 2011/65/EU - Lead-Free Termination Finish - Exemption 7(c)-I, Electrical and electronic components containing lead [Pb] in glass

Technical Specifications

Model Type	Rated Wattage (1) [Watts] @ +70C	Resistance Range [miliohms]	Resistance Tolerance [%]	Temperature Coefficient	Operating Temperature Range	Working Voltage [maximum V]	Overload Voltage [maximum]
73L1	0.100	100 - 910	F = 1, G = 2, J = 5	300ppm/C	-55C to +155C	100V	V=(P*R)
73L2	0.100	100 - 910	F = 1, G = 2, J = 5	200ppm/C
73L3	0.125	100 - 910	F = 1, G = 2, J = 5	200ppm/C
73L4	0.250	100 - 910	F = 1, G = 2, J = 5	200ppm/C
73L5	0.500	100 - 910	F = 1, G = 2, J = 5	100ppm/C
73L6	0.750	100 - 910	F = 1, G = 2, J = 5	100ppm/C
73L7	1.000	100 - 910	F = 1, G = 2, J = 5	100ppm/C
73E3	0.250	50 - 91	F = 1, J = 5	100ppm/C	-55C to +155C	---	---
73E4	0.500	50 - 91	F = 1, J = 5	100ppm/C
73E6	1.000	50 - 91	F = 1, J = 5	100ppm/C

Environmental Parameters

Test Description	Maximum Delta R [%]	Test Conditions
Thermal Cycle	5.00	5 cycles -55C to +125C
Short Time Overload	2.50	2 times rated working voltage for 5 seconds
Moisture Resistance	3.00	240 hours; +40C, 90% RH
High Temperature Exposure	3.00	1,000 hours @ +155C, no load
Load Life	5.00	1,000 hours @ +70C, rated load
Resistance to Solder Heat	3.00	10 seconds @ +260C solder
Resistance to Solvents	-	Isopropyl alcohol, Freon TMC
Solderability	-	RMA Flux, +230C, 5 seconds dip, 95% coverage

Mechanical Specifications

Model Type	Package Code [Inch/mm]	L [mm]	W [mm]	t [mm]
73L1	0402 [1005]	2.00 0.10	0.70 0.10	0.25 0.10
73L2	0603 [1608]	3.00 +0.20 -0.10	1.20 +0.15 -0.05	0.25 0.20
73L3 / 73E3	0805 [2012]	4.00 +0.20 -0.10	1.65 +0.20 -0.10	0.40 0.20
73L4 / 73E4	1206 [3216]	5.00 +0.10 -0.15	2.00 +0.15 -0.05	0.50 0.20
73L5	1210 [3225]	5.00 +0.10 -0.15	2.90 +0.15 -0.05	0.50 0.20
73L6 / 73E6	2010 [5025]	6.60 0.10	3.00 +0.25 -0.25	0.60 0.25
73L7	2512 [6432]	8.20 0.15	3.70 0.15	0.60 0.25