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Current sensing resistor CTS 73L3R51F flat terminal chip for in inverters converters and hard disk drives

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Current sensing resistor CTS 73L3R51F flat terminal chip for in inverters converters and hard disk drives

Power(Watts) : 125mW

Resistance : 510mΩ

Mounting Type : SMD

Current Rating : -

Voltage Rating : -

Type : Current Sense Resistor

Temperature Coefficient : ±200ppm/℃

Tolerance : ±1%

Description : 510mΩ ±1% 125mW Current Sense Resistor

Mfr. Part # : 73L3R51F

Model Number : 73L3R51F

Package : 0805

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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 accurate current detection. These resistors offer excellent electrical and thermal characteristics, making them suitable for a wide range of applications including current detection, current 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) [Watts] @ +70C	Resistance Range [m]	Resistance Tolerance [%]	Temperature Coefficient [ppm/C]	Operating Temperature Range [C]	Working Voltage [max V]	Package Size [mm]
73L1	0.100	200 - 910	F=1, G=2, J=5	300ppm/C (73L1, 73L2), 200ppm/C (73L3-73L7)	-55C to +155C	100V	0402 [1005]
73L2	0.100	100 - 910	F=1, G=2, J=5	100ppm/C (73L3, 73L4), 200ppm/C (73L5-73L7)		V=(P*R)	0603 [1608]
73L3 / 73E3	0.125 / 0.250	100 - 910 / 50 - 91	F=1, G=2, J=5	100ppm/C		100V	0805 [2012]
73L4 / 73E4	0.250 / 0.500	100 - 910 / 50 - 91	F=1, G=2, J=5	100ppm/C		V=(P*R)	1206 [3216]
73L5	0.500	100 - 910	F=1, G=2, J=5	100ppm/C		V=(P*R)	1210 [3225]
73L6 / 73E6	0.750 / 1.000	100 - 910 / 50 - 91	F=1, G=2, J=5	100ppm/C		V=(P*R)	2010 [5025]
73L7	1.000	200 - 910	G=2, J=5	200ppm/C		V=(P*R)	2512 [6432]

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 T)	Recommended Pad Layout [mm] (A x B)
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	0.40 x 0.40
73L4 / 73E4	1206 [3216]	5.00 x 2.00 x 2.20	0.50 x 0.40
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 0.56

Packaging Information

Model Type	Tape Type	Tape Width [mm]	Reel Diameter [mm]	Quantity Per Reel
73L1	Paper	8.00	180	4,000
73L2	Paper	8.00	180	4,000
73L3 / 73E3	Paper	8.00	180	5,000
73L4 / 73E4	Embossed	8.00	180	5,000
73L5	Embossed	8.00	180	5,000
73L6 / 73E6	Embossed	16.00	180	5,000
73L7	Embossed	16.00	180	10,000

2411041627_CTS-73L3R51F_C2111216.pdf

Current sensing resistor CTS 73L3R51F flat terminal chip for in inverters converters and hard disk drives Images

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