2Pcs ULN2803A Transistor Arrays Driver Module, High Current Voltage Driver High Withstand Voltage and High Current Original Electric Component, Electronic Components
The ULN2803A device is a transistor array with the voltage of 50 V and the current of 500 mA.
Each pair of ULN2803A devices is equipped with a 2.7k¦¸ series base and can work directly with TTL or 5V CMOS devices.
Applications of the ULN2803A Module include relay drivers, hammer drivers, lamps drivers, display drivers (LED and gas discharge), line drivers and logic buffers.
The device consists of eight NPN pairs, which has a high voltage output and a common cathode clamp diode for switching inductive loads.
The collector current rating of each pair is 500 mA. pairs can be connected in parallel to increase current capacity.
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