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PWR221-2FCR040GE Datasheet(PDF) 1 Page - Bourns Electronic Solutions |
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PWR221-2FCR040GE Datasheet(HTML) 1 Page - Bourns Electronic Solutions |
1 / 3 page Features ■ TO220 or TO221 housing ■ Low inductance ■ SMD and through hole versions ■ High power rating PWR220/PWR221 F Series Power Resistors *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. General Information The Bourns® PWR220 F Series is a TO220 style Power Resistor; PWR221 F is a TO221 style Power Resistor. Manufactured using thick film on Alumina ceramic technology, it is used in applications such as power supplies, motor drives and measurements. Material Specifications Resistor .................................. Thick film 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 Versions A and D. Electrical & Thermal Characteristics Parameter Symbol Min. Nom. Max. Unit Resistance (Version A) (Version C & D) R R 0.02 0.02 100K 15K Ω Ω Power Rating @ 70 °C in Free Air Power Rating with External Heat Sink (Version A) (Version C & D) 1.50 30 50 W W W Tolerance 0.02 Ω < R < 1.0 Ω 1.0 Ω < R < 100K Ω 2.0 1.0 5.0 5.0 % % TCR 0.1 Ω < R < 100.0K Ω 0.05 Ω < R < 0.099 Ω 0.02 Ω < R < 0.049 Ω ±100 ±300 ±600 PPM/°C PPM/°C PPM/°C Thermal Resistance – Rthj (Version A) (Version C & D) 3.5 2.1 °C/W °C/W Stability 0.5 % Dielectric Withstanding Voltage 2 kV DC Operating Temperature TJ -40 +155 °C Models PWR220-2FB, PWR221-2FB, and PWR220-2FA are not available and not recommended for new designs. Models PWR220T-35, PWR221T-30, and PWR263S-35 are suggested alternatives. |
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