73M3BR018F

73M1A, 73M2A, 73M3x & 73M5 Series Current Sensing Resistor – Up To 5 Watts Features         Metal Plate Construction – Copper Alloy 1 – 5 Watts Power Rating @ +70°C Resistance Range 0.25 – 120 milliohms Operating Temperature to +155°C EIA Standard Package Sizes Terminal Finish – Matte Tin [e3] Reflow Capable per JEDEC J-STD-020, +260°C Maximum Tape and Reel Packaging Applications  Current Detection  Current Limiting  Regulated Battery Circuits  Motor Control  Power Supply  Hard Disk Drives  Inverter/Converter  Industrial Equipment  Infotainment Systems Description 73M1A, 73M2A, 73M3x and 73M5 Series Current Sensing Resistors are metal plate packaged devices that provides excellent accuracy for current detection. Each resistor has good electrical and thermal characteristics by using a special metallic resistor material. Ordering Information Res i s tor V a l ue R00025 Model 73M 1A Code 1A 2A 3A 3B 5 Type 1 Watt Rating 2 Watt Rating 3 Watt Rating 3 Watt Rating 5 Watt Rating Code R00025 Res i s tor T ol era nce F 2 Resistor Value 0.25 milliohms Code F Tolerance ±1% Notes: 1. No dashes or spaces to appear in part number. 2. Resistor codes are 4, 5 or 6 characters. See Addendum for Standard EIA Values and Codes. N ot a l l perf orm a nce com bi na ti ons a nd res i s tor va l ues m a y be a va i l a bl e. Conta ct your l oca l CT S Repres enta ti ve or CTS Cus tom er Servi ce f or a va i l a bi l i ty. 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 non-commercial applications or in any application that may expose the product to conditions that are outside of the tolerances provided in its specification. DOC# 008-0542-0 Rev. B Page 1 of 6 ©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. 73M1A, 73M2A, 73M3x & 73M5 Series Current Sensing Resistor – Up To 5 Watts Ordering Information Part Number Examples T ol era nce/V a l ue 1.5 m i l l i ohm s 0.25 m i l l i ohm s 50 m i l l i ohm s 120 m i l l i ohm s Res i s tor Code F [ ±1%] 73M2AR0015F 73M3AR00025F 73M3BR050F 73M5R120F Electrical & Environmental Specifications Operating Conditions Mo d el Typ e R at ed P o w er [W at t s] R esist an c e R an ge [m Ω] Resist o r To ler an c e [% ] Tem p er at u r e C o effic ien t R at ed Am b ien t Tem p er at u r e Op er at in g Tem p er at u r e R an ge 7 3 M1 A 1.0 1 - 50 ±1 R ≥ 0.010Ω: ±50ppm/°C R < 0.010Ω: ±100ppm/°C +70°C -55°C to +155°C 7 3 M2 A 2.0 1 - 75 ±1 R < 0.010Ω: ±100ppm/°C R ≥ 0.010Ω: ±50ppm/°C +70°C -55°C to +155°C 7 3 M3 A 3.0 0.25 - 3 ±1 R ≤ 0.001Ω: ±200ppm/°C R > 0.001Ω: ±100ppm/°C +70°C -55°C to +155°C 7 3 M3 B 3.0 4 - 100 ±1 ±50ppm/°C +70°C -55°C to +155°C 7 3 M5 5.0 1 - 120 ±1 R < 0.010Ω: ±100ppm/°C R ≥ 0.010Ω: ±50ppm/°C +70°C -55°C to +155°C Power Derating Curve 73M1A, 73M2A, 73M3A, 73M3B – 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. DOC# 008-0542-0 Rev. B Page 2 of 6 ©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. 73M1A, 73M2A, 73M3x & 73M5 Series Current Sensing Resistor – Up To 5 Watts Electrical & Environmental Specifications Power Derating Curve 73M5 – Typical With the rated ambient temperature set to +105°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 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] Environmental Parameters Max im u m D elt a R [% ] Test Test D esc r ip t io n 7 3 M1 A, 7 3 M2 A, 7 3 M3 A, 7 3 M3 B , 7 3 M5 R esist an c e ±1.0 ±50ppm/°C, ≥ 10mΩ ±100ppm/°C, ≥ 1mΩ ±50ppm/°C Tem p er at u r e C o effic ien t Sh o r t -Tim e Ov er lo ad I n su lat io n R esist an c e D ielec t r ic W it h st an d in g Vo lt age R esist an c e t o So ld er H eat So ld er ab ilit y ±100ppm/°C, < 10mΩ [73M1A, 73M2A, 73M5] ±200ppm/°C, < 1mΩ [73M3A] ±50ppm/°C [73M3B] ±0.5 ±2.0 9 Over 10 ohm No Breakdown ±0.5 No Damage Over 95% Coverage Vib r at io n ±0.5 No Damage R esist an c e t o So lven t No Damage H igh Tem p er at u r e Ex p o su r e C h an ge o f Tem p er at u r e Measurement current; 1A measured at +25°C [73M3A - 1A above 1mohm; 3A 1mohm or less] [73M1A, 73M2A, 73M5] [73M3A] [73M3B] ±2.0 ±0.5 No Damage [73M1A, 73M2A, 73M3x] [73M5] Standard temperature at +25°C Measured temperature at +150°C Applied electric power equal to 3 times rated power in 5s [JIS C 5201-1 4.13] Measured at terminals and center of resistor by D.C. 100V ±15V in 1 minute [JIS C 5201-1 4.6] Applied at terminals and center of resistor on A.C. 500V, 1 minute [JIS C 5201-1 4.7] Place on copper sheet [t = 0.2mm] heated by solder, +260°C ±5°C, 5 ±0.5 seconds Immerse terminal in solder [Sn3Ag0.5Cu], +245°C ±0.5°C, 3 ±0.5 seconds [JIS C 5201-1 4.17] Frequency 10Hz to 55Hz, Pk-Pk amplitude 15mm, sweeping rate 1 minute, 3 directions each 2 hours [JIS C 5201-1 4.22] Immerse in Isopropyl alcohol, +20°C to +25°C, 60 ±5 seconds 1,000 hours @ +155°C ±2°C, bias load 0% power [JIS C 5201-1 4.23.2] 30 minutes @ -55°C, 3 minutes @ +25°C, 30 minutes @ +155°C, 3 minutes @ +25°C; 5 cycles Mo ist u r e Resist an c e ±1.0 MIL-STD-202, Method 106, 0% power 7a and 7b not required, 1 cycle = 24 hours, 10 cycles B ias H u m id it y ±1.0 1,000 hours @ +85°C ±2°C, 85% relative humidity, bias load 10%, on time 90 minutes/off time 30 minutes En d u r an c e [Rat ed L o ad ] ±2.0 1,000 hours @ +70°C ±3°C, bias load, on time 90 minutes/off time 30 minutes DOC# 008-0542-0 Rev. B Page 3 of 6 ©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. 73M1A, 73M2A, 73M3x & 73M5 Series Current Sensing Resistor – Up To 5 Watts Mechanical Specifications Package Drawing/Dimensions Mo d el Ty p e D im en sio n s [m m ] Resist an c e [m Ω] L W t c 7 3 M1 A 3.2 ±0.3 1.6 ±0.3 0.6 ±0.3 0.5 ±0.3 - 7 3 M2 A 6.3 ±0.3 3.2 ±0.3 0.8 ±0.3 1.9 ±0.3 1.0 - 4.0 0.6 ±0.3 1.1 ±0.3 1.3 Max. 1.4 Max. 7 3 M3 A 6.8 ±0.3 6.5 ±0.3 7 3 M3 B 7 3 M5 6.7 ±0.3 11.4 ±0.3 7.2 ±0.3 6.9 ±0.3 2.2 ±0.3 1.3 Max. 1.2 Max. 1.3 Max. 1.8 Max. 4.1 - 75 0.25, 0.50 1.0 1.5 1.8 ±0.3 2.0 1.6 ±0.3 2.5 1.3 ±0.3 3.0 1.1 ±0.3 - 3.2 ±0.3 1.0 - 5.0 1.8 ±0.3 5.1 - 120 Notes 1. Terminal Details Base Metal – Copper [Cu] Barrier Plating – Nickel [Ni] Finish Plating – Matte Tin [Sn] Recommended Pad Layout Mo d el Ty p e 7 3 M1 A 7 3 M2 A 7 3 M3 A 7 3 M3 B 7 3 M5 A D im en sio n s [m m ] B C 2.1 1.4 1.6 - 2.8 1.9 1.0 - 4.0 2.0 3.5 4.1 - 75 3.8 1.4 0.25 - 1.5 3.4 2.2 2.0 3.2 2.6 2.5 2.9 3.2 3.0 2.7 3.5 - 4.8 4.0 1.0 - 5.0 3.4 6.8 5.1 - 120 3.7 7.1 7.8 7.5 DOC# 008-0542-0 Rev. B Resist an c e [m Ω] Page 4 of 6 ©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. 73M1A, 73M2A, 73M3x & 73M5 Series Current Sensing Resistor – Up To 5 Watts Mechanical Specifications Marking Information Mo d el Ty p e P ar t Mar k in g Rxxx = "R" is the decimal point and 3 digits [E24] are significant values. See resistor tables for codes. 7 3 M1 A Rxxx = "R" is the decimal point and 3 digits [E24] are significant values. See resistor tables for codes. 7 3 M2 A Nominal resistances that includes a decimal point; marking is denoted by "m" expressing a decimal point in milliohms and three digits. Ex. 1m50 [1.5 milliohms] Rxxx = "R" is the decimal point and 3 digits [E24] are significant values. See resistor tables for codes. 7 3 M3 A 7 3 M3 B Nominal resistances that includes a decimal point; marking is denoted by "m" expressing a decimal point in milliohms and three digits. Ex. 0m25 [0.25 milliohms] Rxxx = "R" is the decimal point and 3 digits [E24] are significant values. See resistor tables for codes. 7 3 M5 Packaging Tape and Reel Information Embossed Tape Mo d el Ty p e [mm] W P1 E F Do Po P2 Ao Bo Ko t 7 3 M1 A 8.0 ±0.15 4.0 ±0.1 1.75 ±0.10 3.5 ±0.1 1.55 ±0.05 4.0 ±0.1 2.0 ±0.1 1.83 ±0.10 3.48 ±0.10 0.9 ±0.1 0.20 ±0.05 7 3 M2 A 12.0 ±0.15 4.0 ±0.1 1.75 ±0.10 5.5 ±0.1 1.55 ±0.05 4.0 ±0.1 2.0 ±0.1 3.50 ±0.10 6.74 ±0.10 1.1 ±0.1 0.20 ±0.05 7 3 M3 A 12.0 ±0.15 8.0 ±0.1 1.75 ±0.10 5.5 ±0.1 1.50 ±0.05 4.0 ±0.1 2.0 ±0.1 6.75 ±0.10 7.15 ±0.10 1.7 ±0.1 0.25 ±0.05 7 3 M3 B 12.0 ±0.15 12.0 ±0.1 1.75 ±0.10 5.5 ±0.1 1.55 ±0.05 4.0 ±0.1 2.0 ±0.1 7.70 ±0.10 7.15 ±0.10 1.2 ±0.1 0.25 ±0.05 7 3 M5 24.0 ±0.30 12.0 ±0.1 1.75 ±0.10 11.5 ±0.1 1.55 ±0.05 4.0 ±0.1 2.0 ±0.1 7.20 ±0.10 11.80 ±0.10 1.7 ±0.1 0.30 ±0.10 Reel [mm] Mo d el Ty p e Qu an t it y P er Reel W M A B C D 7 3 M1 A 4,000 12.0 ±0.5 178 ±0.1 2.0 ±0.5 13.2 ±0.5 21.7 ±0.5 60.0 ±0.5 7 3 M2 A 4,000 16.2 ±0.5 178 ±0.1 2.5 ±0.6 13.5 ±0.6 21.9 ±0.6 60.0 ±0.5 7 3 M3 A 1,000 16.2 ±0.5 178 ±0.1 2.5 ±0.6 13.5 ±0.6 21.9 ±0.6 60.0 ±0.5 7 3 M3 B 1,000 16.2 ±0.5 178 ±0.1 2.5 ±0.6 13.5 ±0.6 21.9 ±0.6 60.0 ±0.5 7 3 M5 500 24.4 +2.0 -0.0 178 ±0.1 2.5 ±0.6 13.5 ±0.6 21.9 ±0.6 60.0 ±0.5 DOC# 008-0542-0 Rev. B Page 5 of 6 ©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. 73M1A, 73M2A, 73M3x & 73M5 Series Current Sensing Resistor – Up To 5 Watts Addendum Standard EIA Codes and Resistor Values - E-24 [4, 5, 6-Digit Resistor Code for F Tolerances] C OD E OH MS COD E OH MS C OD E OH MS COD E OH MS R00025 0.00025 R009 0.00900 R030 0.03000 R082 0.08200 R0005 0.00050 R010 0.01000 R033 0.03300 R091 0.09100 R001 0.00100 R011 0.01100 R036 0.03600 R100 0.10000 R0015 0.00150 R012 0.01200 R039 0.03900 R110 0.11000 R002 0.00200 R013 0.01300 R043 0.04300 R120 0.12000 R0025 0.00250 R015 0.01500 R047 0.04700 R003 0.00300 R016 0.01600 R050 0.05000 R004 0.00400 R018 0.01800 R051 0.05100 R005 0.00500 R020 0.02000 R056 0.05600 R006 0.00600 R022 0.02200 R062 0.06200 R007 0.00700 R024 0.02400 R068 0.06800 R008 0.00800 R027 0.02700 R075 0.07500 DOC# 008-0542-0 Rev. B Page 6 of 6 ©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.