Series 73WLx & 73WEx Current Sensing Resistors Wide Terminal Chip Type FEATURES Thick Film Construction – Wide Terminal Configuration Power Rating @ +70°C, Options 0.75 – 2 Watts Resistance Range, 5 – 910 milliohms Operating Temperature to +155°C EIA Standard Package Sizes Terminal Finish – Tin (e3) Reflow capable per JEDEC J-STD-020, 260°C maximum Tape and Reel Packaging Lead-Free Design – 73WEx RoHS Compliant in Accordance with EU Directive 2011/65/EU – 73WLx - Lead-Free Termination Finish - Exemption 7(c)-I, Electrical and electronic components containing lead [Pb] in glass APPLICATIONS Ideal for applications such as current detection and limiting, regulated battery circuits, motor control, power supply, hard disk drives, inverter/converter, industrial equipment and automotive. ORDERING INFORMATION 73 R TYPE TOLERANCE WL = 4-Digit Resistor Code WE = 4-Digit Resistor Code J = ±5% F = ±1% PACKAGE CODE 4 = 1206 [3216] 6 = 2010 [5025] 7 = 2512 [6432] Notes: 1. No dashes or spaces to appear in part number. 2. Example Part Numbers: 73WL4R100F [1206 pkg., 0.100 Ohms, ±1%] 73WL6R024J [2010 pkg., 0.024 Ohms, ±5%] 4-Digit Resistor Codes 73WL7R750J [2512 pkg., 0.750 Ohms, ±5%] "R" indicates decimal point. 73WE4R016F [1206 pkg., 0.016 Ohms, ±1%] Ex. R470 = 0.47 Ohms R020 = 0.020 Ohms 73WE6R007J [2010 pkg., 0.007 Ohms, ±5%] 73WE7R091F [2512 pkg., 0.091 Ohms, ±1%] RESISTOR CODE Not all performance combinations and resistor values may be available. Contact your local CTS Representative or CTS Customer Service for availability. Document No. 008-0543-0 Page 1 - 4 www.ctscorp.com Rev. B Series 73WLx & 73WEx Current Sensing Resistor – Wide Terminal ORDERING INFORMATION STANDARD RESISTOR VALUES 73WLx 73WEx Standard Resistance Values [Based on EIA E-24 Sequence] 4-Digit Code Resistor Resistor Resistor Resistor Resistor Value Code Value Code Value 0.010Ω R010 0.030Ω R030 0.082Ω 0.011Ω R011 0.033Ω R033 0.091Ω 0.012Ω R012 0.036Ω R036 0.100Ω 0.013Ω R013 0.039Ω R039 0.110Ω 0.015Ω R015 0.043Ω R043 0.120Ω 0.016Ω R016 0.047Ω R047 0.130Ω 0.018Ω R018 0.051Ω R051 0.150Ω 0.020Ω R020 0.056Ω R056 0.160Ω 0.022Ω R022 0.062Ω R062 0.180Ω 0.024Ω R024 0.068Ω R068 0.200Ω 0.027Ω R027 0.075Ω R075 0.220Ω Resistor Code R082 R091 R100 R110 R120 R130 R150 R160 R180 R200 R220 Resistor Value 0.240Ω 0.270Ω 0.300Ω 0.330Ω 0.360Ω 0.390Ω 0.430Ω 0.470Ω 0.510Ω 0.560Ω 0.620Ω Resistor Code R240 R270 R300 R330 R360 R390 R430 R470 R510 R560 R620 Resistor Value 0.680Ω 0.750Ω 0.820Ω 0.910Ω Resistor Code R680 R750 R820 R910 Standard Resistance Values [Based on EIA E-24 Sequence] 4-Digit Code Resistor Resistor Resistor Resistor Resistor Value Code Value Code Value 0.005Ω R005 0.011Ω R011 0.020Ω 0.006Ω R006 0.012Ω R012 0.022Ω 0.007Ω R007 0.013Ω R013 0.024Ω 0.008Ω R008 0.015Ω R015 0.027Ω 0.009Ω R009 0.016Ω R016 0.030Ω 0.010Ω R010 0.018Ω R018 0.033Ω Resistor Code R020 R022 R024 R027 R030 R033 Resistor Value 0.036Ω 0.039Ω 0.043Ω 0.056Ω 0.062Ω 0.068Ω Resistor Code R036 R039 R043 R056 R062 R068 Resistor Value 0.075Ω 0.082Ω 0.091Ω Resistor Code R075 R082 R091 ELECTRICAL CHARACTERISTICS Type 73WL4 Package Code Inch [mm] 1206 [3216] Rated Wattage * [Watts] 0.75 Tolerance Resistance E-24 T.C.R [%] [mΩ] [ppm/°C] F = ±1 100 - 910 ±200 10 - 33 ±500 36 - 91 ±350 100 - 910 ±200 J = ±5 F = ±1 73WL6 2010 [5025] 1.0 J = ±5 F = ±1 73WL7 2512 [6432] 2.0 J = ±5 100 - 910 ±200 10 - 33 ±500 36 - 91 ±350 100 - 910 ±200 100 - 910 ±200 10 - 33 ±500 36 - 91 ±350 100 - 910 ±200 Resistance E-24 T.C.R [ppm/°C] Operating Temperature Range Working Voltage [max V] Overload Voltage [max V] 200 400 -55°C to +155°C -55°C to +155°C -55°C to +155°C * @ +70°C. Type Package Code Inch [mm] Rated Wattage * [Watts] 73WE4 1206 [3216] 0.75 73WE6 2010 [5025] 1.0 73WE7 2512 [6432] 2.0 Tolerance [%] [mΩ] F = ±1 10 - 91 J = ±5 5 - 91 F = ±1 10 - 91 J = ±5 5 - 91 F = ±1 10 - 91 J = ±5 5 - 91 Operating Temperature Range ±100 -55°C to +155°C ±100 -55°C to +155°C ±100 -55°C to +155°C * @ +70°C. Document No. 008-0543-0 Page 2 - 4 Rev. B Series 73WLx & 73WEx Current Sensing Resistor – Wide Terminal MECHANICAL SPECIFICATION PACKAGE DRAWING Type 73WL4 73WE4 73WL6 73WE6 73WL7 73WE7 Package Code Inch [mm] L W Dimensions [mm] t +0.15 0.55 -0.05 c 1206 [3216] 3.2 ±0.15 1.6 ±0.15 0.30 ±0.20 2010 [5025] 5.00 ±0.20 2.50 ±0.20 0.56 ±0.15 0.50 ±0.20 2512 [6432] 6.30 ±0.20 3.20 ±0.20 0.56 ±0.15 0.50 ±0.20 0.60 ±0.20 0.50 0.30 0.60 0.50 0.90 0.60 d ±0.20 ±0.20 ±0.20 ±0.20 ±0.20 ±0.20 NOTES 1. Terminal: Base Metal – Silver [Ag] or Copper [Cu] plate. Barrier Plating - Nickel [Ni]. Finish Plating – Matte Tin [Sn]. RECOMMENDED LAND PATTERN Type 73WL4 73WE4 73WL6 73WE6 73WL7 73WE7 Dimensions [mm] C L W 0.65 3.20 2.65 MARKING Type Part Marking 73WL4 Rxxx = "R" is the decimal point and 3 digits [E24] are significant values. See resistor tables for codes. 73WL6 1.30 5.00 4.00 73WL7 1.45 6.40 4.85 73WE4 73WE6 73WE7 Document No. 008-0543-0 Page 3 - 4 None Rev. B Series 73WLx & 73WEx Current Sensing Resistor – Wide Terminal PACKAGING INFORMATION PAPER TAPE EMBOSSED TAPE [mm] [mm] A Type 73WL4 73WE4 2.00 B +0.10 -0.15 3.57 Type t +0.10 -0.15 73WL6 73WE6 73WL7 73WE7 0.80 ±0.20 A B t 2.90 ±0.10 5.30 ±0.10 1.00 ±0.10 3.40 ±0.10 6.60 ±0.10 1.00 ±0.10 REEL [mm] Type 73WL4 73WE4 73WL6 73WE6 73WL7 73WE7 Quantity Per Reel W 5,000 13.0 ±1.4 4,000 17.0 ±1.4 4,000 17.0 ±1.4 Document No. 008-0543-0 M A B C D 180 2.5 ±0.6 13.5 ±0.6 21.9 ±0.6 60 Page 4 - 4 Rev. B