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PWR221-4SBR040DE Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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PWR221-4SBR040DE Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 4 page PWR220/PWR221 S Series Shunt Resistor Features ■ Low TCR ■ Low electrical noise ■ Low inductance/capacitance ■ High power rating ■ Low ohmic values Applications ■ Power supplies ■ Motor drives ■ Test and measurement ■ Electricity meters General Information The Bourns® PWR220 S Series is a TO220 style Shunt Resistor; the PWR221 S Series is a TO221 style Shunt Resistor. Manufactured using foil on alumina ceramic, it is used in applications such as power supplies, motor drives and measurements. Electrical & Thermal Characteristics Parameter Symbol Min. Nom. Max. Unit Resistance R 0.002 50 Ω Power Rating @ 70 °C without additional heat sink @ 70 °C with adequate heat sink* 10 1.50 15 W Tolerance 0.002 Ω < R < 0.01 Ω 0.01 Ω < R < 0.10 Ω 0.10 Ω < R < 50.0 Ω 2.0** 1.0*** 0.5*** 5.0 5.0 5.0 % TCR -20 °C < T < 60 °C -40 °C < T < +130 °C ±15.0 ±50.0 PPM/°C Thermal Resistance – Rthj (Max @ R < 50 Ω) 4.8 °C/W Stability 0.1 0.5 % Thermal EMF 1.0 µV/°C Dielectric Withstanding Voltage 300 VDC Operating Temperature TJ -40 +130 °C Material Specifications Resistor..........................Metal Foil (CuNiMn) Substrate...........................Alumina (AL203) Housing.....................................Epoxy/PPS Lead Frame ............Tinned Copper (Sn/Cu) Maximum Torque .............................1.0 Nm Packaging Tubes....................................50 pcs./tube Tape & Reel** .......................500 pcs./reel **Tape & Reel is only available for Version A. *RoHS Directive 2002/95/EC Jan 27 2003, including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications. * Thermal junction 130 °C max. ** 1 % also available with 4-pin version. *** 0.1 % and 0.24 % also available with 4-pin version. |
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