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High Reliability Ceramic Current Sensing Resistor CTS 73L4R56F Tape Reel Packaging Matte Tin Finish

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High Reliability Ceramic Current Sensing Resistor CTS 73L4R56F Tape Reel Packaging Matte Tin Finish

Power(Watts) : 250mW

Resistance : 560mΩ

Mounting Type : SMD

Current Rating : -

Voltage Rating : -

Type : Current Sense Resistor

Temperature Coefficient : ±100ppm/℃

Tolerance : ±1%

Description : 560mΩ ±1% 250mW Current Sense Resistor

Mfr. Part # : 73L4R56F

Model Number : 73L4R56F

Package : 1206

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Product Overview

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 motor control, power supplies, and industrial equipment.

Product Attributes

Brand: CTS Corporation
Construction: Thick Film
Terminal Finish: Matte Tin (e3)
Packaging: Tape and Reel
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 @ +70C) [W]	Resistance Range [m]	Resistance Tolerance [%]	Temperature Coefficient	Operating Temperature Range [C]	Working Voltage [max V]	Overload Voltage [max]
73L1	0.100	100 - 910	F=1, G=2, J=5	300ppm/C	-55C to +155C	200	V=(P*R)
73L2	0.100	100 - 910	F=1, G=2, J=5	300ppm/C	-55C to +155C	200	V=(P*R)
73L3	0.125	100 - 910	F=1, G=2, J=5	200ppm/C	-55C to +155C	200	V=(P*R)
73L4	0.250	100 - 910	F=1, G=2, J=5	200ppm/C	-55C to +155C	200	V=(P*R)
73L5	0.500	100 - 910	F=1, G=2, J=5	100ppm/C	-55C to +155C	200	V=(P*R)
73L6	0.750	100 - 910	F=1, G=2, J=5	100ppm/C	-55C to +155C	200	V=(P*R)
73L7	1.000	100 - 910	F=1, G=2, J=5	100ppm/C	-55C to +155C	200	V=(P*R)
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	-55C to +155C	---	---
73E6	1.000	50 - 91	F=1, J=5	100ppm/C	-55C to +155C	---	---

Environmental Parameters

Test Description	Maximum Delta R [%]	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	Dimensions [mm] L	Dimensions [mm] W	Dimensions [mm] t	Terminal Details (Base Metal/Barrier/Finish)
73L1	0402 [1005]	2.00 0.10	0.70 0.10	0.50 0.10	Silver [Ag] or Cooper [Cu] / Nickel [Ni] / Matte Tin [Sn]
73L2	0603 [1608]	3.00 +0.20 -0.10	1.20 +0.15 -0.05	0.70 0.10	Silver [Ag] or Cooper [Cu] / Nickel [Ni] / Matte Tin [Sn]
73L3 / 73E3	0805 [2012]	4.00 +0.20 -0.10	1.65 +0.20 -0.10	0.80 0.20	Silver [Ag] or Cooper [Cu] / Nickel [Ni] / Matte Tin [Sn]
73L4 / 73E4	1206 [3216]	5.00 +0.10 -0.15	2.00 +0.15 -0.05	2.00 +0.10 -0.15	Silver [Ag] or Cooper [Cu] / Nickel [Ni] / Matte Tin [Sn]
73L5	1210 [3225]	5.00 +0.10 -0.15	2.90 +0.15 -0.05	0.80 0.20	Silver [Ag] or Cooper [Cu] / Nickel [Ni] / Matte Tin [Sn]
73L6 / 73E6	2010 [5025]	6.60 0.10	3.00 0.20	1.00 0.10	Silver [Ag] or Cooper [Cu] / Nickel [Ni] / Matte Tin [Sn]
73L7	2512 [6432]	8.20 0.10	3.70 0.20	1.00 0.10	Silver [Ag] or Cooper [Cu] / Nickel [Ni] / Matte Tin [Sn]

Packaging Information

Model Type	Tape Type	Tape Width [mm]	Reel Diameter [mm]	Quantity Per Reel
73L1	Paper	0.50 0.10	60	4,000
73L2	Paper	0.70 0.10	60	4,000
73L3 / 73E3	Paper	0.80 0.20	180	5,000
73L4 / 73E4	Embossed	2.00 +0.10 -0.15	180	5,000
73L5	Embossed	3.57 +0.10 -0.15	180	5,000
73L6 / 73E6	Embossed	3.40 0.10	180	5,000
73L7	Embossed	6.60 0.10	180	10,000

2411041627_CTS-73L4R56F_C2122169.pdf

High Reliability Ceramic Current Sensing Resistor CTS 73L4R56F Tape Reel Packaging Matte Tin Finish Images

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