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> St ULN2803A darlington transistor array ic
St ULN2803A darlington transistor array ic
The ULN2803A contains eight darlington transistors with common emitters and integral suppression diodes for inductive loads. Each darlington features a peak load current rating of 600mA (500mA continuous) and can withstand at least 50V in the off state. Outputs may be paralleled for higher current capability.
The ULN2803A has a 2.7K input resistor for 5V TTL and CMOS. Supplied in an 18-lead plastic DIP package with convenient input-opposite-output pinout to simplify board layout.
http://us.st.com/stonline/books/pdf/docs/1536.pdf
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