SMD Low Ohmic - Current Sense Resistors Type RL73 Series Key Features n Up to 2 Watts at 70C n Values down to R10 n 8 chip sizes n Ideal for current detection n Value marked on resistor n Sizes 0201 to 2512 n 0402, 0603, 0805, 1206, 2512 stocked in distribution n New Higher Power Version now available Applications n Audio n Communications TE Connectivity are pleased to offer this thick film chip resistor for current sensing positions. n Automotive 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 n Low voltage power supplies production of a range of IC s for battery charge management and low voltage power n Power management supplies, the RL73 Series satisfies the demand for a low ohmic shunt resistor to act as a applications current sensor. Characteristics - Electrical - Standard Power Type TCR Power rating Resistance TDF TD TE Tape 70C Range 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 RL73K2A 200PPM 0.125W R10 - R91 1000 5000 -- Paper tape 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 1 1773269 CIS WR 02/2012 Dimensions are in millimeters Dimensions are shown for For email, phone or live chat, go to: te.com/help and inches unless otherwise reference purposes only. specified. Values in brackets Specifications subject are standard equivalents. to change.SMD Low Ohmic - Current Sense Resistors Type RL73 Series Characteristics - Electrical - High power version Type TCR Power rating Resistance TDF TD TE Tape 70C Range RLP73M1E 400PPM 0.125W R051 - R10 1000 5000 -- Paper RLP73N1E 300PPM 0.125W R110 - R47 1000 5000 -- Paper RLP73K1E 200PPM 0.125W R51 - 1R0 1000 5000 -- Paper RLP73M1J 400PPM 0.125W R051 - R10 1000 5000 -- Paper RLP73N1J 300PPM 0.125W R110 - R47 1000 5000 -- Paper RLP73K1J 200PPM 0.125W R51 - 1R0 1000 5000 -- Paper RLP73M2A 400PPM 0.25W R051 - R10 1000 5000 -- Paper RLP73N2A 300PPM 0.25W R110 - R47 1000 5000 -- Paper RLP73K2A 200PPM 0.25W R51 - 1R0 1000 5000 -- Paper RLP73V2B 600PPM 0.5W R010 - R020 1000 5000 -- Paper RLP73M2B 400PPM 0.5W R022 - R047 1000 5000 -- Paper RLP73N2B 300PPM 0.5W R051 - R091 1000 5000 -- Paper RLP73K2B 200PPM 0.5W R10 - 1R0 1000 5000 -- Paper RLP73V3A 600PPM 2W R010 - R020 1000 -- 4000 Plastic RLP73M3A 400PPM 2W R022 - R047 1000 -- 4000 Plastic RLP73N3A 300PPM 2W R051 - R091 1000 -- 4000 Plastic RLP73K3A 200PPM 2W R10 - 1R0 1000 -- 4000 Plastic Operating Voltage=(P*R) Overload Voltage=2.5*(P*R) Operating Current=(P/R) Maximum operating temperature -55C to +155C Power Derating Curve 100 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. Characteristics - Environmental Item Requirement Test Method Temperature Coefficient As Specification -55C ~ +125C, 25C is the reference temperature of Resistance (TCR): (0.5%+0.05) Short Time Overload: RCWV*2.5 or Max. overload voltage for 5 seconds for higher Power rating: (1.0% + 0.05) Insulation Resistance: 10G Max. overload voltage for 1 minute 70 2C, Max. working voltage for 1000 hrs with Endurance: (1.0%+0.05) 1.5 hrs ON and 0.5 hrs OFF 40 2C, 90-95% R.H. max. working voltage Damp Heat with Load: (0.5%+0.05) for 1000 hrs with 1.5 hrs ON and 0.5 hrs OFF Dry Heat: (0.5%+0.05) at +155C for 1000 hrs Bending Strength: Bending once for 5 seconds 2010, 2512 sizes: 2mm As Spec. Other sizes: 3mm Solderability: 95% min. coverage 245 5C for 3 seconds Resistance to Soldering Heat: (0.5%+0.05) 260 5C for 10 seconds Voltage Proof: No breakdown or flashover 1.42 times RCWV (RMS) for 1 minute Individual leaching area 5% Leaching: 2605C for 30 seconds Total leaching area 10% Thermal Shock: (0.5%+0.05) -55C to +155C, 5 cycles Reference Standards: IEC 60115-1, 60068-2-58 JIS-C 5201-1 Storage Temperature: 253C Humidity < 80%RH 2 1773269 CIS WR 02/2012 Dimensions are in millimeters Dimensions are shown for For email, phone or live chat, go to: te.com/help and inches unless otherwise reference purposes only. specified. Values in brackets Specifications subject are standard equivalents. to change. Power Ratio (%)