RLP73K2A

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Technical content

n Up to 2 W atts at 70°C n Values dow n to R1 0 n 8 chip sizes n Ideal for current detection n Value m arked on resistor n Sizes 0201 to 251 2 n 0402, 0603 , 0805, 1 206, 251 2 stocked in distribution n New Higher Pow er Version now available

Applications

n Low voltage pow er supplies n Pow er m anagem ent SM D Low O hm ic - Current Sense Resistors Type RL73 Series 1773269 CIS W R 02/2012 Dim ensions are in m illim eters Dim ensions are show n for For em ail, phone or live chat, go to: te.com /help and inches unless otherw ise reference purposes only. specified. Values in brackets Specifications subject are standard equivalents. to change. Characteristics - Electrical - Standard Pow er TE C onnectivity are pleased to offer this thick film chip resistor for current sensing positions. It has a special m etal glaze resistive elem ent and a nickel barrier layer beneath the solder to prolong term inal life. Follow ing the developm ents by sem iconductor m anufacturers in the production of a range of IC 's for battery charge m anagem ent and low voltage pow er supplies, the R L73 S eries satisfies the dem and for a low ohm ic shunt resistor to act as a current sensor. Type TCR Power rating Resistance TDF TD TE Tape @ 70°C 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

SM D Low O hm ic - Current Sense Resistors Type RL73 Series 1773269 CIS W R 02/2012 Dim ensions are in m illim eters Dim ensions are show n for For em ail, phone or live chat, go to: te.com /help and inches unless otherw ise reference purposes only. specified. Values in brackets Specifications subject are standard equivalents. to change. Characteristics - Electrical - High pow er version Type TCR Power rating Resistance TDF TD TE Tape @ 70°C 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 -55°C to +155°C * Recommended Circuit Board Design For resistors operated in ambient temperatures above 70°C, power rating must be derated in accordance with this curve. 0 20 40 60 80 100 120 140 160 180 100 Power Ratio (%) Ambient Temperature (°C) Pow er Derating Curve Characteristics - Environm ental Item Requirement Test Method Temperature Coefficient As Specification -55°C ~ +125°C, 25°C is the reference temperature of Resistance (TCR): Insulation Resistance: ≥10G Max. overload voltage for 1 minute for 1000 hrs with 1.5 hrs “ON” and 0.5 hrs “OFF” Dry Heat: ±(0.5%+0.05 Ω) at +155°C for 1000 hrs Bending Strength: As Spec. Bending once for 5 seconds 2010, 2512 sizes: 2mm Other sizes: 3mm Solderability: 95% min. coverage 245 ±5°C for 3 seconds Resistance to Soldering Heat: ±(0.5%+0.05 Ω) 260 ±5°C for 10 seconds Voltage Proof: No breakdown or flashover 1.42 times RCWV (RMS) for 1 minute Leaching: Individual leaching area ≤5% 260±5°C for 30 seconds Total leaching area ≤10% Thermal Shock: ±(0.5%+0.05 Ω) -55°C to +155°C, 5 cycles Reference Standards: IEC 60115-1, 60068-2-58; JIS-C 5201-1 Storage Temperature: 25±3°C; Humidity < 80%RH

SM D Low O hm ic - Current Sense Resistors Type RL73 Series 1773269 CIS W R 02/2012 Dim ensions are in m illim eters Dim ensions are show n for For em ail, phone or live chat, go to: te.com /help and inches unless otherw ise reference purposes only. specified. Values in brackets Specifications subject are standard equivalents. to change. Dim ensions Part Number LWCD t LD W t C 1. Alumina Substrate 2. Bottom Electrode (Ag) 3. Top Electrode (Ag-Pd) 4. Edge Electrode (NiCr) 5. Barrier Layer (Ni) 6. External Electrode (Sn) 7. Resistor Layer (NiCr) 8. Overcoat (Epoxy) 9. Marking Recom m end Land Pattern Type AB C RL73 1H (0201) 0.25 0.3 0.40 ±0.2 RL(P)73 2B (1206) 2.0 1.15 1.70 ±0.2 RL(P)73 2E (1210) 2.0 1.15 2.50 ±0.2 RL73 3A (2512) 4.9 1.6 3.10 ±0.2 RLP73 3A (2512) <R10 4.9 1.6 3.10 ±0.2 RLP73 3A (2512) ≥R10 1.0 3.55 3.10 ±0.2

SM D Low O hm ic - Current Sense Resistors Type RL73 Series 1773269 CIS W R 02/2012 Dim ensions are in m illim eters Dim ensions are show n for For em ail, phone or live chat, go to: te.com /help and inches unless otherw ise reference purposes only. specified. Values in brackets Specifications subject are standard equivalents. to change. Packaging Quantity & Reel Specifications Type øA øB øC WT Paper Embossed Tape Plastic Tape Paper Tape Specification Type A B W E F P0 P1 P2 øD 0 T

0.1 Ohm

(100milliOhm) R10

0.91 Ohm

(910 milliOhm) R91 Tolerance F - ±1% J - ±5% Packaging TDF -1000 REEL TD -5000 REEL TE -4000 REEL See above for applicability How to Order SM D Low O hm ic - Current Sense Resistors Type RL73 Series Em bossed Plastic Tape Specifications Type A B W E F P0 P1 P2 øD 0 T 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. 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.