SMD Low Ohmic - Current Sense Resistors Type RL73 Series Key Features I Up to 1 Watt at 70C I Values down to R10 I 8 chip sizes I Ideal for current detection I Value marked on resistor I Sizes 0201 to 2512 I 0402, 0603, 0805, 1206, 2512 stocked in distribution Applications I Audio I Communications I Automotive I Low voltage power supplies I Power management applications TE Connectivity are pleased to offer this thick film chip resistor for current sensing positions. It has a special metal glaze resistive element and a nickel barrier layer beneath the solder to prolong terminal life. Following the developments by semiconductor manufacturers in the production of a range of IC's for battery charge management and low voltage power supplies, the RL73 Series satisfies the demand for a low ohmic shunt resistor to act as a current sensor. Characteristics - Electrical Type TCR Power rating @ 70C Resistance Range TDF TD TE Tape RL73X1H 1000PPM 0.05W R10 - R13 1000 5000 -- Paper tape RL73V1H 600PPM 0.05W R15 - R47 1000 5000 -- Paper tape RL73N1H 300PPM 0.05W R51 - R91 1000 5000 -- Paper tape RL73N1E 300PPM 0.0625W R10 - R91 1000 5000 -- Paper tape RL73N1J 300PPM 0.1W R10 - R91 1000 5000 -- Paper tape RL73H2A 100PPM 0.125W R10 - R91 1000 5000 -- Paper tape Paper tape RL73K2A 200PPM 0.125W R10 - R91 1000 5000 -- RL73H2B 100PPM 0.25W R10 - R91 1000 5000 -- Paper tape RL73K2B 200PPM 0.25W R10 - R91 1000 5000 -- Paper tape RL73H2E 100PPM 0.5W R10 - R91 1000 5000 -- Paper tape RL73K2E 200PPM 0.5W R10 - R91 1000 5000 -- Paper tape RL73H2H 100PPM 0.75W R10 - R91 1000 -- 4000 Embossed plastic tape RL73K2H 200PPM 0.75W R10 - R91 1000 -- 4000 Embossed plastic tape RL73H3A 100PPM 1W R10 - R91 1000 -- 4000 Embossed plastic tape RL73K3A 200PPM 1W R10 - R91 1000 -- 4000 Embossed plastic tape Operating Voltage=(P*R) ; Overload Voltage=2.5*(P*R) ; Operating Current=(P/R) Maximum operating temperature -55C to +155C Power Derating Curve 100 Power Ratio (%) 80 60 40 20 0 0 20 40 60 80 100 120 140 160 180 Ambient Temperature (C) * Recommended Circuit Board Design For resistors operated in ambient temperatures above 70C, power rating must be derated in accordance with this curve. 1 1773269 CIS BI 06/2011 Dimensions are in millimeters and inches unless otherwise specified. Values in brackets are standard equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. For email, phone or live chat, go to: te.com/help SMD Low Ohmic - Current Sense Resistors Type RL73 Series Characteristics - Environmental Item Requirement Test Method As spec +25/-55/+25/+125/+25C Short Time Overload: 0.5% R 1% for high power rating RCWV*2.5 or Max. overload voltage for 5 seconds Insulation Resistance: >1000M Apply 100VDC for 1 minute 1% 70 2C, Max. working voltage for 1000hrs with 1.5hrs "ON" and 0.5hrs "OFF" 0.5% 40 2C, 90 - 95% R.H. max. working voltage for 1000hrs with 1.5hrs "ON" and 0.5hrs "OFF" Temperature Coefficient of Resistance (TCR): Endurance: Damp Heat with Load: Dry Heat: Bending Strength: Solderability: 0.5% at +155C for 1000hrs As spec Bending amplitude 3mm for 10 seconds 95% min. coverage 245 5C for 3 seconds Resistance to Soldering Heat: 0.5% 260 5C for 10 seconds Dielectric Withstand Voltage: By type Apply Max. overload voltage for 1 minute Thermal Shock: 0.5% -55C to +150C, 100 cycles Low Temperature Operation: 0.5% 1 hour, -65C, followed by 45 minutes of RCWV Reference Standards: MIL-STD-202, JIS-C 5201-1 Storage Temperature: 253C; Humidity < 80%RH Dimensions L D W t C Part Number RL73 1H (0201) RL73 1E (0402) RL73 1J (0603) RL73 2A (0805) RL73 2B (1206) RL73 2E (1210) RL73 2H (2010) RL73 3A (2512) 0.58 1.00 1.60 2.00 3.10 3.10 5.00 6.35 L 0.05 0.05 0.10 0.15 0.10 0.10 0.20 0.20 1. Alumina Substrate 4. Edge Electrode (NiCr) 7. Resistor Layer (NiCr) 2. Bottom Electrode (Ag) 5. Barrier Layer (Ni) 8. Overcoat (Epoxy) 3. Top Electrode (Ag-Pd) 6. External Electrode (Sn) 9. Marking W 0.29 0.05 0.50 0.05 0.80 0.10 1.25 0.15 1.55 0.15 2.50 0.15 2.50 0.15 3.10 0.15 0.15 0.20 0.30 0.40 0.40 0.50 0.50 0.55 C 0.05 0.10 0.20 0.25 0.25 0.25 0.25 0.25 0.12 0.25 0.30 0.30 0.50 0.50 0.60 0.60 D 0.05 0.10 0.20 0.20 0.30 0.30 0.30 0.30 0.23 0.32 0.45 0.55 0.55 0.55 0.60 0.60 t 0.05 0.10 0.10 0.10 0.10 0.10 0.15 0.10 2 1773269 CIS BI 06/2011 Dimensions are in millimeters and inches unless otherwise specified. Values in brackets are standard equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. For email, phone or live chat, go to: te.com/help SMD Low Ohmic - Current Sense Resistors Type RL73 Series Recommend Land Pattern Type RL73 1H (0201) RL73 1E (0402) RL73 1J (0603) RL73 2A (0805) RL73 2B (1206) RL73 2E (1210) RL73 2H (2010) RL73 3A (2512) A 0.25 0.5 0.8 1.0 2.0 2.0 3.6 4.9 B 0.3 0.5 1.0 1.0 1.15 1.15 1.4 1.6 C 0.40 0.2 0.60 0.2 0.90 0.2 1.35 0.2 1.70 0.2 2.50 0.2 2.50 0.2 3.10 0.2 Packaging Quantity & Reel Specifications Type oA oB oC W T Paper Tape Embossed Plastic Tape RL73 1H (0402) 178.0 1.0 60.0 +1.0 13.5 0.7 9.5 0.1 11.5 1.0 1000 / 5000 - RL73 1E (0402) 178.0 1.0 60.0 +1.0 13.5 0.7 9.5 0.1 11.5 1.0 1000 / 5000 - RL73 1J (0603) 178.0 1.0 60.0 +1.0 13.5 0.7 9.5 0.1 11.5 1.0 1000 / 5000 - RL73 2A (0805) 178.0 1.0 60.0 +1.0 13.5 0.7 9.5 0.1 11.5 1.0 1000 / 5000 - RL73 2B (1206) 178.0 1.0 60.0 +1.0 13.5 0.7 9.5 0.1 11.5 1.0 1000 / 5000 - RL73 2E (1210) 178.0 1.0 60.0 +1.0 13.5 0.7 9.5 0.1 11.5 1.0 1000 / 5000 - RL73 2H (2010) 178.0 1.0 60.0 +1.0 13.5 0.7 13.5 1.0 15.5 1.0 - 1000 / 4000 RL73 3A (2512) 178.0 1.0 60.0 +1.0 13.5 0.7 13.5 1.0 15.5 1.0 - 1000 / 4000 3 1773269 CIS BI 06/2011 Dimensions are in millimeters and inches unless otherwise specified. Values in brackets are standard equivalents. Dimensions are shown for reference purposes only. Specifications subject to change. For email, phone or live chat, go to: te.com/help SMD Low Ohmic - Current Sense Resistors Type RL73 Series Paper Tape Specification Type A B W E F P0 P1 RL73 1H 0.38 0.05 0.68 0.05 8.0 0.20 1.75 0.10 3.50 0.05 4.00 0.10 2.00 0.05 2.00 0.05 1.50+0.1,-0 P2 oD0 0.42 0.20 T RL73 1E 0.65 0.10 1.15 0.10 8.0 0.20 1.75 0.10 3.50 0.05 4.00 0.10 2.00 0.05 2.00 0.05 1.50+0.1,-0 0.45 0.10 RL73 1J 1.10 0.10 1.90 0.10 8.0 0.20 1.75 0.10 3.50 0.05 4.00 0.10 4.00 0.05 2.00 0.05 1.50+0.1,-0 0.70 0.10 RL73 2A 1.60 0.10 2.40 0.20 8.0 0.20 1.75 0.10 3.50 0.05 4.00 0.10 4.00 0.05 2.00 0.05 1.50+0.1,-0 0.85 0.10 RL73 2B 1.90 0.10 3.50 0.20 8.0 0.20 1.75 0.10 3.50 0.05 4.00 0.10 4.00 0.05 2.00 0.05 1.50+0.1,-0 0.85 0.10 RL73 2E 2.90 0.10 3.50 0.20 8.0 0.20 1.75 0.10 3.50 0.05 4.00 0.10 4.00 0.05 2.00 0.05 1.50+0.1,-0 0.85 0.10 Embossed Plastic Tape Specifications Type A B W E F P0 P1 P2 oD0 T RL73 2H 2.800.10 5.500.10 12.00.10 1.750.10 5.50.05 4.000.05 4.000.10 2.000.05 1.50+0.10 1.000.20 RL73 3A 3.500.10 6.700.10 12.00.10 1.750.10 5.50.05 4.000.05 4.000.10 2.000.05 1.50+0.10 1.000.20 How to Order RL73 H 2A R10 F TG Common Part TCR Size Resistor Value Tolerance Packaging X -1000PPM V - 600PPM N - 300PPM RL73 H - 100PPM K - 200PPM See above for applicability 1H -0201 1E -0402 1J -0603 2A -0805 2B -1206 2E -1210 2H -2010 0.1 Ohm (100milliOhm) R10 TDF -1000 REEL TD -5000 REEL F - 1% TE -4000 REEL 0.91 Ohm (910 milliOhm) R91 J - 5% See above for applicability 3A -2512 TE Connectivity, TE connectivity (logo) and TE (logo) are trademarks. Other logos, product and Company names mentioned herein may be trademarks of their respective owners. 4 While TE has made every reasonable effort to ensure the accuracy of the information in this datasheet, TE does not guarantee that it is error-free, nor does TE make any other representation, warranty or guarantee that the information is accurate, correct, reliable or current. TE reserves the right to make any adjustments to the information contained herein at any time without notice. TE expressly disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of merchantability or fitness for a particular purpose. The dimensions in this datasheet are for reference purposes only and are subject to change without notice. Specifications are subject to change without notice. Consult TE for the latest dimensions and design specifications.