Series 73Mx Current Sensing Resistors – Metal Plate FEATURES • Very Low Resistance • Suitable for Current Limiting, Current Detection, Motor Control, Power Supply and Hard Disk Drives • High Precision and Excellent Accuracy for Current Detection • Good Electrical Characteristics • Surface Mount Package • Nickel Barrier Solder-Coated Pads [e3] • Reflow capable per JEDEC J-STD-020, 260°C maximum • Tape and Reel Packaging • RoHS/Green Compliant (6/6) ORDERING INFORMATION 73M R TOLERANCE TYPE 1 = 1 Watt Rating 2 = 2 Watt Rating G = ±2% F = ±1% RESISTOR CODE Notes: 1. No dashes or spaces to appear in part number. 4-Digit Resistor Code "R" indicates decimal point. 2. Example Part Numbers: 73M1R005F [5m Ohms, ±1%] 73M1R100G [100m Ohms, ±2%] Ex. R005 = 5m Ohms R100 = 100m Ohms 73M2R015F [15m Ohms, ±1%] Not all performance combinations and resistor values may be available. Contact your local CTS Representative or CTS Customer Service for availability. STANDARD RESISTOR VALUES 73M1 Standard Resistance Values (Based on EIA E24 Sequence) 4-Digit Code Resistor Resistor Resistor Resistor Resistor Value Code Value Code Value 0.003Ω R003 0.016Ω R016 0.047Ω 0.004Ω R004 0.018Ω R018 0.050Ω 0.005Ω R005 0.020Ω R020 0.051Ω 0.006Ω R006 0.022Ω R022 0.056Ω 0.007Ω R007 0.024Ω R024 0.062Ω 0.008Ω R008 0.027Ω R027 0.067Ω 0.009Ω R009 0.030Ω R030 0.068Ω 0.010Ω R010 0.033Ω R033 0.075Ω 0.011Ω R011 0.036Ω R036 0.082Ω 0.012Ω R012 0.039Ω R039 0.091Ω 0.013Ω R013 0.040Ω R040 0.100Ω 0.015Ω R015 0.043Ω R043 Document No. 008-0336-0 Resistor Code R047 R050 R051 R056 R062 R067 R068 R075 R082 R091 R100 73M2 Standard Resistance Values (Based on EIA E24 Sequence) 4-Digit Code Resistor Resistor Resistor Resistor Value Code Value Code 0.005Ω R005 0.018Ω R018 0.006Ω R006 0.020Ω R020 0.007Ω R007 0.022Ω R022 0.008Ω R008 0.024Ω R024 0.009Ω R009 0.027Ω R027 0.010Ω R010 0.030Ω R030 0.011Ω R011 0.033Ω R033 0.012Ω R012 0.036Ω R036 0.013Ω R013 0.039Ω R039 0.015Ω R015 0.040Ω R040 0.016Ω R016 Page 1 - 3 www.ctscorp.com Rev. A Series 73Mx Current Sensing Resistor – Metal Plate ELECTRICAL CHARACTERISTICS Type Rated Wattage (Watts) 73M1 1 73M2 2 Resistance (Ohms) Tolerance (%) 0.003 - 0.009 ±1, ±2 0.010 - 0.100 0.005 - 0.009 0.010 - 0.040 ±1 ±1, ±2 ±1 T.C.R (ppm/°C) 0.003Ω ≤ R < 0.005Ω: ±300 0.005Ω ≤ R < 0.010Ω: ±180 0.010Ω ≤ R ≤ 0.100Ω: ±100 R < 0.010Ω: ±200 R ≥ 0.010Ω: ±100 Rated Ambient Temperature Operating Temperature Range +70°C -55°C to +180°C +70°C -55°C to +180°C MECHANICAL SPECIFICATION PACKAGE DRAWING Dimensions (mm) 73M1 73M2 L W T a b c 6.2 ±0.3 6.4 ±0.3 3.1 ±0.2 3.5 ±0.2 1.0 ±0.2 1.2 Max. 2.5 ±0.2 3.2 ±0.2 0.8 ±0.2 --- 1.2 ±0.3 1.0 ±0.2 W T b 73M1 c c a L L W T b 73M2 c c a RECOMMENDED LAND PATTERN A Type Dimensions (mm) A C B C 73M1 2.90 8.10 3.60 73M2 3.50 8.30 4.00 B Document No. 008-0336-0 Page 2 - 3 Rev. A Series 73Mx Current Sensing Resistor – Metal Plate PACKAGING INFORMATION EMBOSSED TAPE [mm] REEL [mm] Type A B F J 73M1 3.5 ±0.1 6.6 ±0.1 8.0 ±0.10 1.5 ±0.2 73M2 4.0 ±0.1 6.9 ±0.1 8.0 ±0.10 1.5 +0.1 -0.0 L M 1.3 ±0.1 0.3 ±0.05 1.4 ±0.1 0.25 ±0.05 Type Quantity Per Reel A (mm) 73M1 73M2 1,000 1,000 15.4 ±1.0 15.4 ±1.0 M J L F Document No. 008-0336-0 Page 3 - 3 Rev. A