SMD Low Ohmic - Current Sense Resistors Type RL73 Series Key Features n Up to 2 Watts at 70°C 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 n Automotive n Low voltage power supplies n 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 - Standard Power Type TCR Power rating @ 70°C 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 1 1773269 CIS WR 02/2012 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 - Electrical - High power version TCR Type Power rating @ 70°C Resistance Range TDF TD TE Tape Paper RLP73M1E 400PPM 0.125W R051 - R10 1000 5000 -- 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 -55°C to +155°C 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 70°C, power rating must be derated in accordance with this curve. Characteristics - Environmental Item Requirement Test Method As Specification -55°C ~ +125°C, 25°C is the reference temperature Short Time Overload: ±(0.5%+0.05Ω) for higher Power rating: ±(1.0% + 0.05Ω) RCWV*2.5 or Max. overload voltage for 5 seconds Insulation Resistance: ≥10G Max. overload voltage for 1 minute Endurance: ±(1.0%+0.05Ω) 70 ±2°C, Max. working voltage for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF” Damp Heat with Load: ±(0.5%+0.05Ω) 40 ±2°C, 90-95% R.H. max. working voltage for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF” Dry Heat: ±(0.5%+0.05Ω) at +155°C for 1000 hrs As Spec. Bending once for 5 seconds 2010, 2512 sizes: 2mm Other sizes: 3mm Temperature Coefficient of Resistance (TCR): Bending Strength: Solderability: 95% min. coverage 245 ±5°C for 3 seconds ±(0.5%+0.05Ω) 260 ±5°C for 10 seconds Resistance to Soldering Heat: Voltage Proof: Leaching: No breakdown or flashover 1.42 times RCWV (RMS) for 1 minute Individual leaching area ≤5% Total leaching area ≤10% 260±5°C for 30 seconds ±(0.5%+0.05Ω) -55°C to +155°C, 5 cycles Thermal Shock: Reference Standards: IEC 60115-1, 60068-2-58; JIS-C 5201-1 Storage Temperature: 25±3°C; Humidity < 80%RH 2 1773269 CIS WR 02/2012 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 Dimensions L D W t C Part Number RL73 1H (0201) RL(P)73 1E (0402) RL(P)73 1J (0603) RL(P)73 2A (0805) RL(P)73 2B (1206) RL(P)73 2E (1210) RL(P)73 2H (2010) RL73 3A (2512) RLP73 3A (2512) <R10 RLP73 3A (2512) ≥R10 0.58 1.00 1.60 2.00 3.10 3.10 5.00 6.35 6.35 6.35 L ±0.05 ±0.05 ±0.10 ±0.15 ±0.10 ±0.10 ±0.20 ±0.20 ±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 3.15 ±0.15 3.15 ±0.15 0.15 0.20 0.30 0.40 0.40 0.50 0.50 0.55 0.55 2.10 C ±0.05 ±0.10 ±0.20 ±0.25 ±0.25 ±0.25 ±0.25 ±0.25 ±0.25 ±0.10 0.12 0.25 0.30 0.30 0.50 0.50 0.60 0.60 0.60 0.60 D ±0.05 ±0.10 ±0.20 ±0.20 ±0.30 ±0.30 ±0.30 ±0.30 ±0.30 ±0.30 0.23 0.32 0.45 0.55 0.55 0.55 0.60 0.60 0.74 0.74 t ±0.05 ±0.10 ±0.10 ±0.10 ±0.10 ±0.10 ±0.15 ±0.10 ±0.10 ±0.10 Recommend Land Pattern Type RL73 1H (0201) RL(P)73 1E (0402) RL(P)73 1J (0603) RL(P)73 2A (0805) RL(P)73 2B (1206) RL(P)73 2E (1210) RL(P)73 2H (2010) RL73 3A (2512) RLP73 3A (2512) <R10 RLP73 3A (2512) ≥R10 A 0.25 0.5 0.8 1.0 2.0 2.0 3.6 4.9 4.9 1.0 B 0.3 0.5 1.0 1.0 1.15 1.15 1.4 1.6 1.6 3.55 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. 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 3.10 ±0.2 3.10 ±0.2 3 1773269 CIS WR 02/2012 For email, phone or live chat, go to: te.com/help SMD Low Ohmic - Current Sense Resistors Type RL73 Series Packaging Quantity & Reel Specifications Type øA øB øC W T Embossed Plastic Tape Paper 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 - RL(P)73 1E (0402) 178.0 ±1.0 60.0 +1.0 13.5 ±0.7 9.5 ±0.1 11.5 ±1.0 1000 / 5000 - RL(P)73 1J (0603) 178.0 ±1.0 60.0 +1.0 13.5 ±0.7 9.5 ±0.1 11.5 ±1.0 1000 / 5000 - RL(P)73 2A (0805) 178.0 ±1.0 60.0 +1.0 13.5 ±0.7 9.5 ±0.1 11.5 ±1.0 1000 / 5000 - RL(P)73 2B (1206) 178.0 ±1.0 60.0 +1.0 13.5 ±0.7 9.5 ±0.1 11.5 ±1.0 1000 / 5000 - RL(P)73 2E (1210) 178.0 ±1.0 60.0 +1.0 13.5 ±0.7 9.5 ±0.1 11.5 ±1.0 1000 / 5000 - RL(P)73 2H (2010) 178.0 ±1.0 60.0 +1.0 13.5 ±0.7 13.5 ±1.0 15.5 ±1.0 - 1000 / 4000 RL(P)73 3A (2512) 178.0 ±1.0 60.0 +1.0 13.5 ±0.7 13.5 ±1.0 15.5 ±1.0 - 1000 / 4000 Paper Tape Specification A B W E F P0 P1 RL73 1H Type 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 øD0 0.42 ±0.20 T RL(P)73 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 RL(P)73 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 RL(P)73 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 RL(P)73 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 RL(P)73 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 4 1773269 CIS WR 02/2012 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 Embossed Plastic Tape Specifications Type A B W E F P0 P1 P2 øD0 T RL(P)73 2H 2.80±0.10 5.50±0.10 12.0±0.10 1.75±0.10 5.5±0.05 4.00±0.05 4.00±0.10 2.00±0.05 1.50+0.10 1.00±0.20 RL73 3A 3.50±0.10 6.70±0.10 12.0±0.10 1.75±0.10 5.5±0.05 4.00±0.05 4.00±0.10 2.00±0.05 1.50+0.10 1.00±0.20 RLP73 3A 3.38±0.10 6.68±0.10 12.0±0.30 1.75±0.10 5.5±0.01 4.00±0.10 4.00±0.10 2.00±0.05 1.50+0.05 1.45±0.20 How to Order RL73 H 2A R10 F TD Common Part TCR Size Resistor Value Tolerance Packaging RL73 RLP73 X -1000PPM 1H -0201 V - 600PPM 1E -0402 N - 300PPM 1J -0603 H - 100PPM 2A -0805 K - 200PPM 2B -1206 M - 400PPM 2E -1210 See above for applicability 2H -2010 0.1 Ohm (100milliOhm) R10 0.91 Ohm (910 milliOhm) R91 TDF -1000 REEL F - ±1% J - ±5% TD -5000 REEL TE -4000 REEL 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. 5 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.