The ULN2003A Series devices are high voltage, high current Darlington transistor arrays. This ULN2003ADR consists of 7 NPN Darlington pairs which features high voltage outputs. And each pair has common-cathode clamp diodes for switching inductive loads. It also comes in easy to use SOP-16 package.
The collector rating of single Darlington pair in ULN2003ADR is 500mA. And so using darlington pairs in parallel makes higher current capacity. The ULN2003A Series devices have a 2.7K Ohms series base resistor for each darlington pair. Because it needs to be operated directly with TTL or 5V CMOS devices.
- 7 NPN Darlington Transistor Array
- Upto 500mA collector current for each pair
- Multiple transistor pairs can be paralleled for higher current requirements
- Max Collector-Emitter Voltage: 50V
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