73M1R051F

73M1 Series Current Sensing Resistor – 1 Watt Features         Metal Plate Construction – Copper Alloy 1 Watt Power Rating @ +70°C Resistance Range 3 – 100 milliohms Operating Temperature to +180°C Surface Mount Package Terminal Finish – Matte Tin [e3] Reflow Capable per JEDEC J-STD-020, +260°C Maximum Tape and Reel Packaging Applications  Motor Control  Power Supply  Hard Disk Drives  Current Detection  Current Limiting  Regulated Battery Circuits  Inverter/Converter  Industrial Equipment  Infotainment Systems Description 73M1 Series Current Sensing Resistor is a metal plate packaged device that provides excellent accuracy for current detection. Each resistor has good electrical and thermal characteristics by using a special metallic resistor material. Ordering Information Model 73M 1 Type Code 1 Watt Rating 1 Resistor Value R050 Resistor Tolerance F Code G F Tolerance ±2% ±1% Code Resistor Value * R050 0.050 ohms * See Addendum for Standard EIA Values and Codes Notes: 1. No dashes or spaces to appear in part number. Not all performance combinations and resistor values may be available. Contact your local CTS Representative or CTS Customer Service for availability. This product is specified for use only in standard commercial applications.  Supplier disclaims all express and implied warranties and liability in connection with any use of this product in any noncommercial applications or in any application that may expose the product to conditions that are outside of the tolerances provided in its specification. DOC# 008-0336-0 Rev. C Page 1 of 5 ©2017 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. 73M1 Series Current Sensing Resistor – 1 Watt Ordering Information Part Number Examples 4 -Digit Code Toleranc e / Value G [±2 %] F [±1 %] 5 m O hms 73M1R005G 73M1R005G 8 m O hms 73M1R008G 73M1R008G 1 5 m O hms --- 73M1R015F 1 0 0 m O hms --- 73M1R100F Electrical & Environmental Specifications Operating Conditions Model Type Rated P ower [Watts] 7 3 M1 1.0 Resistanc e Range [ohms] Resistanc e Toleranc e [%] 0.003 - 0.009 ±1, ±2 0.010 - 0.100 ±1 Temperature Coeffic ient Rated Ambient Temperature O perating Temperature Range 0.003Ω ≤ R < 0.005Ω: ±300ppm/°C 0.005Ω ≤ R < 0.010Ω: ±180ppm/°C 0.010Ω ≤ R ≤ 0.100Ω: ±100ppm/°C +70°C -55°C to +180°C Power Derating Curve – Typical With the rated ambient temperature set to +70°C, the maximum power [maximum current for 0Ω product] at a temperature of no more than rated ambient temperature shall be equal to the rated power [rate current for 0Ω product]. The maximum power at a temperature exceeding the rated ambient temperature shall be a value determined by reducing the rated power according to the power reduction curve in the figure below. Rated Power Ratio [%] 100 80 60 40 20 0 -55 0 +70 +180 Ambient Temperature [°C] Rated Voltage The rated voltage shall be the DC or AC [effective power frequency] voltage corresponding to the rated power and shall be determined with the formula shown below. If the determined rated voltage exceeds the maximum operating voltage specified in Operating Conditions table, the maximum operating voltage shall be the rated voltage. E = Rated Voaltge [V] E = √ PxR P = Rated Power [W] R = Nomimal Resistance [Ω] DOC# 008-0336-0 Rev. C Page 2 of 5 ©2017 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. 73M1 Series Current Sensing Resistor – 1 Watt Electrical & Environmental Specifications Environmental Parameters Maximum Delta R [%] 7 3 M1 Test Test Desc ription Short Time O verload ±0.5 2 times rated working voltage for 5 seconds Moisture Resistanc e ±2.0 1,000 hours @ +40°C, 95% RH, cycle 1.5h ON & 0.5h OFF Load Life ±2.0 1,000 hours @ +70°C, rated load, cycle 1.5h ON & 0.5h OFF Resistanc e to Solder Heat ±0.5 5 seconds @ +260°C solder Mechanical Specifications Package Drawing/Dimensions Dimensions [mm] Model Type 7 3 M1 L W t a b c /d 6.2 ±0.3 3.1 ±0.2 1.2 Max. 2.5 ±0.2 0.8 ±0.2 1.2 ±0.3 Notes 1. Terminal Details Base Metal – Copper [Cu] 80m Ohm < R and Brass R ≤ 80m Ohm Barrier Plating – Nickel [Ni] Finish Plating – Matte Tin [Sn] Recommended Pad Layout Model Type 7 3 M1 A Dimensions [mm] B C 3.30 7.50 3.10 DOC# 008-0336-0 Rev. C Page 3 of 5 ©2017 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. 73M1 Series Current Sensing Resistor – 1 Watt Mechanical Specifications Marking Information Model Type P art Marking 1 Rxxx = "R" is the decimal point and 3 digits [E24] are significant values. See resistor tables for codes. 2 t = Tolerance; F = 1% & G = 2%. Rxxx tZYM 7 3 M1 3 Z = Product type. 4 YM = Date Code. Y = Year M = Month; 1 - 9 is for January through September, O, N and D for October through December respectively. Packaging Tape and Reel Information Embossed Tape Model Type 7 3 M1 A 3.5 ±0.1 Reel [mm] B C 6.6 ±0.1 12.0 ±0.2 D 5.5 ±0.1 E 1.75 ±0.10 F 8.0 ±0.1 G 2.0 ±0.1 H 4.0 ±0.1 J 1.5 ±0.2 K +0.1 1.5 -0.0 L M 1.3 ±0.1 0.30 ±0.05 [mm] Model Type Q uantity P er Reel A 7 3 M1 1,000 15.4 DOC# 008-0336-0 Rev. C Page 4 of 5 ©2017 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote. 73M1 Series Current Sensing Resistor – 1 Watt Addendum Standard EIA Codes and Resistor Values – E-24 [4-Digit Resistor Code for G&F Tolerances] CO DE O HMS CO DE O HMS CO DE O HMS CO DE O HMS R003 0.003 R013 0.013 R036 0.036 R068 0.068 R004 0.004 R015 0.015 R039 0.039 R075 0.075 R005 0.005 R016 0.016 R040 0.040 R082 0.082 R006 0.006 R018 0.018 R043 0.043 R091 0.091 R007 0.007 R020 0.020 R047 0.047 R100 0.100 R008 0.008 R022 0.022 R050 0.050 R009 0.009 R024 0.024 R051 0.051 R010 0.010 R027 0.027 R056 0.056 R011 0.011 R030 0.030 R062 0.062 R012 0.012 R033 0.033 R067 0.067 DOC# 008-0336-0 Rev. C Page 5 of 5 ©2017 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.