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The ULN2003AN is an array of high-current, high-voltage Darlington transistors. It comprises of seven npn Darlington pairs with common-cathode clamp diodes for switching inductive loads and high-voltage outputs.
ULN2003AN absolute maximum ratings: (1)Collector-emitter voltage: 50 V; (2)Clamp diode reverse voltage: 50 V; (3)Input voltage, VI: 30 V; (4)Peak collector current: 500 mA; (5)Output clamp current, IOK: 500 mA; (6)Total emitter-terminal current: -2.5 A; (7)Operating free-air temperature range, TA: -20℃ to 70℃; (8)Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: 260℃; (9)Storage temperature range, Tstg: -65℃ to 150℃.
ULN2003AN features: (1)500-mA-Rated Collector Current (Single Output); (2)High-Voltage Outputs: 50 V; (3)Output Clamp Diodes; (4)Inputs Compatible With Various Types of Logic; (5)Relay-Driver Applications.
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