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Current sensing resistor CTS 73L5R43J featuring matte tin terminal finish for soldering connections

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Current sensing resistor CTS 73L5R43J featuring matte tin terminal finish for soldering connections

Power(Watts) : 500mW

Resistance : 430mΩ

Temperature Coefficient : ±200ppm/℃

Operating Temperature : -55℃~+125℃

Type : Thick Film Resistor

Tolerance : ±5%

Description : 500mW 430mΩ ±200ppm/℃ Thick Film Resistor ±5% 1210 Chip Resistor - Surface Mount RoHS

Mfr. Part # : 73L5R43J

Model Number : 73L5R43J

Package : 1210

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

The CTS 73Lx & 73Ex Series Current Sensing Resistors are ceramic packaged devices designed for excellent accuracy in current detection applications. These resistors offer good electrical and thermal characteristics, making them suitable for current detection, limiting, regulated battery circuits, motor control, power supplies, hard disk drives, inverters/converters, industrial equipment, and infotainment systems.

Product Attributes

Brand: CTS
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]	Resistance Range [m]	Resistance Tolerance [%]	Temperature Coefficient	Operating Temperature Range	Working Voltage [max V]	Overload Voltage [max]
73L1	0.100	200 - 910	F=1, G=2, J=5	100ppm/C	-55C to +155C	100V	V=(P*R)
73L2	0.100	200 - 910	F=1, G=2, J=5	100ppm/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	200ppm/C
73L6	0.750	100 - 910	F=1, G=2, J=5	200ppm/C
73L7	1.000	100 - 910	F=1, G=2, J=5	200ppm/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 [%]	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 x W x H)	Recommended Pad Layout [mm] (L x W)
73L1	0402 [1005]	2.00 x 0.70 x 0.60	0.25 x 0.25
73L2	0603 [1608]	3.00 x 1.20 x 1.00	0.50 x 0.40
73L3 / 73E3	0805 [2012]	4.00 x 1.65 x 1.20	0.50 x 0.40
73L4 / 73E4	1206 [3216]	5.00 x 2.00 x 2.20	0.50 x 0.50
73L5	1210 [3225]	5.00 x 2.90 x 2.20	0.50 x 0.50
73L6 / 73E6	2010 [5025]	6.60 x 3.00 x 3.20	0.60 x 0.60
73L7	2512 [6432]	8.20 x 3.70 x 4.20	1.00 x 0.60

Terminal Details

Base Metal: Silver [Ag] or Cooper [Cu] plate
Barrier Plating: Nickel [Ni]
Finish Plating: Matte Tin [Sn]

Packaging Information

Model Type	Paper Tape [mm] (t x A x B)	Embossed Tape [mm] (t x A x B)	Reel [mm] (M x W)	Quantity Per Reel
73L1	0.50 x 2.90 x 1.65	0.70 x 3.60 x 2.40	60 x 13.0	4,000
73L2	0.70 x 2.90 x 1.90	1.10 x 3.60 x 1.90	60 x 13.0	4,000
73L3 / 73E3	0.80 x 2.90 x 1.10	1.65 x 3.60 x 1.90	60 x 13.0	5,000
73L4 / 73E4	2.00 x 2.90 x 1.10	2.00 x 3.60 x 1.90	60 x 13.0	5,000
73L5	3.57 x 2.90 x 1.10	1.65 x 3.60 x 1.90	60 x 13.0	5,000
73L6 / 73E6	0.80 x 3.40 x 2.905	1.00 x 6.60 x 5.30	180 x 17.0	5,000
73L7	0.80 x 3.40 x 2.905	1.00 x 6.60 x 5.30	180 x 17.0	10,000

Addendum: Standard EIA Codes and Resistor Values

E-24 [3-Digit Resistor Code for F,G&J Tolerances]

R10: 0.100, R11: 0.110, R12: 0.120, R13: 0.130, R15: 0.150, R27: 0.270, R30: 0.300, R33: 0.330, R36: 0.360, R39: 0.390, R68: 0.680, R75: 0.750, R82: 0.820, R91: 0.910

E-24 [4-Digit Resistor Code for F,G&J Tolerances]

R050: 0.050, R056: 0.056, R075: 0.075, R091: 0.091

2411201003_CTS-73L5R43J_C4341101.pdf

Current sensing resistor CTS 73L5R43J featuring matte tin terminal finish for soldering connections Images

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