SMD Low Ohmic - Current Sense Resistors Type RL73 Series Characteristics Electrical Type RL73 Series Type T.C.R. RL73N1E 300 RL73N1J 300 RL73H2A 100 RL73K2A 200 RL73H2B 100 RL73K2B 200 RL73H2E 100 Tyco are pleased to offer this thick RL73K2E 200 film chip resistor for current sensing RL73H2H 100 positions. It has a special metal glaze RL73K2H 200 resistive element and a nickel barrier RL73H3A 100 layer *RL73K3A 200 beneath the solder to prolong terminal life. Following the developments by Power Rating @ 70C Max. Working Voltage Max. Overload Voltage 0.10W - - 0.125W 1.11V 2.79V 0.25W 1.58V 3.95V 0.5W 2.23V 5.59V 0.75W 2.73V 6.84V 1.0W 3.16V 7.90V Maximum Operating Temperature: Resistance Range *F(1%) G(2%), E96, E24 J(5%) E24 R20 - R91 - R20 - R91 R10-10R - - R10-10R R10-10R - - R10-10R R10-10R - - R10-10R R10-10R - - R10-10R R10-10R - - R10-10R Taping & Qty Per 7" Reel TP TD TE 10000 - - - 5000 - - 5000 - - 5000 - - - 4000 - - 4000 -55C to +125C semiconductor manufacturers in the production of Power Derating Curve a range of IC's for battery charge 100 management and low voltage power 80 Rated Load (%) supplies, the RL73 Series satisfies the demand for a low ohmic shunt resistor to act as a current sensor. Key Features 60 40 20 Up to 1 Watt at 70C Values Down to R10 7 Chip Sizes Ideal for Current Detection Value Marked on Resistor Lab Kits Available on Request Sizes 0402 to 2512 0402, 0603, 0805, 1206, 2512 stocked in Distribution 0 -60 -55 -40 -20 0 20 40 60 70 80 100 120125 Ambient Temperature (C) If this device is expected to run at full continuous power then action to improve the cooling should be taken. This can be a metal substrate, copper pad left under the chip, an opening in the PCB or extra large solder pads. * Recommended Circuit Board Design For resistors operated in ambient temperatures above 70C, power rating must be derated in accordance with this curve. Dimensions L D W t C Part Number RL73 1E RL73 1J RL73 2A RL73 2B RL73 2E RL73 2H RL73 3A L0.2 1.0 1.6 2.0 W 0.5 0.05 0.8 0.15 1.250.1 1.60.2 2.60.2 2.50.2 3.10.2 3.2 5.0 6.3 C 0.25 0.1 0.3 0.1 0.40.2 D0.2 0.1 0.2 0.1 0.3 0.2 0.3 t0.1 0.35 0.45 0.5 0.50.3 0.4 0.6 How to Order RL73K 3A R10 J Common Part Rated Power Resistor Value Tolerance Packaging J 5% TE - 4000 (RL73_3A, RL73_2H Only) 0.1 Ohm (100 milli Ohm) R10 RL73K - Standard * RL73H 100ppm/C *See table Above See Above e.g. 3A - 1W 10 Ohm (10000 milli ohm) 10R RL73N - 300ppm/C Literature No. 1773269 Issued: 01-08 Dimensions are shown for reference purposes only. 1 Ohm (1000 milli Ohm) 1R0 Dimensions are in millimetres unless otherwise specified. TE G 2% *F 1% * See Table Above Specifications subject to change. TD - 5000 (RL73_2A, RL73_2B, RL73_2E Only) TP - 10,000 (RL73_1E, RL73_1J Only) tycoelectronics.com passives.tycoelectronics.com