Metal Plate Current Sensing Resistors Technical Data Features • • • • • • • • Very Low Resistance Surface Mount Package 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 Suitable for Reflow Solder Process Tape and Reel Packaging RoHS Compliant Mechanical and Performance Specifications Type Rated Wattage (Watts) 73M1 1.0 73M2 2.0 Resistance (Ω) Tolerance (%) .003 - .009 ±1, ±2 .010 - .100 .005 - .009 .010 - .040 ±1 ±1, ±2 ±1 T.C.R (ppm/°C) .003Ω ≤ R< .005Ω : ± 300 .005Ω ≤ R< .010Ω : ± 180 .010Ω ≤ R≤ .100Ω : ± 100 R<.010Ω : ± 200 R≥.010Ω : ± 100 Rated Ambient Temp. Operating Temp. Range 70°C -55°C to180°C 70°C -55°C to180°C W 73M1 b t c c a L L 73M2 W t c c a Dimensions (mm) L W T a b c 73M1 6.2 ± 0.3 3.1 ± 0.2 1.0 ± 0.2 2.5 ± 0.2 0.8 ± 0.2 1.2 ± 0.3 73M2 6.4 ± 0.3 3.5 ± 0.2 1.2 Max. 3.2 ± 0.2 0.8 ± 0.2 1.0 ± 0.2 Page 1 of 2 CTS Electronic Components December 2006 www.ctscorp.com How to Order 73M1 R005 F Tolerance Part Type G = ±2% F = ±1% Resistor Code Example: 73M1R005F (No dashes or spaces) 4 Digit Resistor Code “R” indicates decimal point Examples: R005 = 5mΩ R100 = 100mΩ Type Part Marking 73M1 Resistance (4 digits), tolerance, product type, date of manufacture (two digits: year, month) 73M2 Resistance (3 digits), tolerance, product type & rated wattage, date of manufacture (two digits: year, month) Packaging • Embossed tape (mm) M J F • L Type A B F J L M 73M1 3.5 ±0.1 6.6 ±0.1 8.0 ±0.10 1.5 ±0.2 1.3 ±0.1 0.3 ±0.1 73M2 4.0 ±0.1 6.9 ±0.1 8.0 ±0.10 1.4 ±0.1 0.3 ±0.1 1.5 +0.10 -0.0 Reel Type Qty/Reel A (mm) 73M1 1,000 15.4 ±1.0 73M2 1,000 15.4 ±1.0 Page 2 of 2 CTS Electronic Components December 2006 www.ctscorp.com