ULN2002ANE4

Series:	--
Packaging:	Tube
Part Status:	Active
Transistor Type:	7 NPN Darlington
Current - Collector (Ic) (Max):	500mA
Voltage - Collector Emitter Breakdown (Max):	50V
Vce Saturation (Max) @ Ib, Ic:	1.6V @ 500µA, 350mA
Current - Collector Cutoff (Max):	50µA
DC Current Gain (hFE) (Min) @ Ic, Vce:	--
Power - Max:	--
Frequency - Transition:	--
Operating Temperature:	-20°C ~ 70°C (TA)
Package / Case:	16-DIP (0.300", 7.62mm)
Supplier Device Package:	16-PDIP
Base Part Number:	ULN2002A

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ULN2002ANE4 Application Field and Working Principle

ULN2002ANE4 is a part of a series of high-voltage and high-current Darlington transistors ULN2001. This component is designed to control a wide variety of loads efficiently, operated within a temperature range of -40-85℃ and containing 60V, 500mA Darlington output with base connection. Applications of this component include switching of inductive, capacitive, resistive, or combination of these types of load.The ULN2002ANE4 has a 16-pin DIP package with a dense pin composition. Its pins are identified with the letters A-P. Pins A and K are power supply pins, pins B-J are the collector, and pins C-I are the emitter. The seven available outputs are connected with pins M-Q, while pins E and N are connected to backward diode and pin L is a common emitter connection point.The ULN2002ANE4 consists mainly of two parts - the driver and the output stage. The driver stage is conveniently built with seven NPN transistors and capacitor, which actively supplies the voltage. The output stage is constructed with seven Darlington transistors that control the applied voltage. The PNP transistor aids to protect the output transistors from the destructive effect of electrostatic discharge.The ULN2002ANE4 is generally used in devices such as industrial robotics, printers, gaming machines, optical integrator and other devices. This component exhibitsexcellent operation under high temperature conditions and is widely used for switching devices in motor control systems and industrial automation devices.When using this component, the voltage to be driven should be taken into consideration in order to prevent a technical failure and any related damage.Also, the input voltage should be well chosen depending on the load type and the current should not exceed the safely values provided for each Darlington pair. Furthermore, the ULN2002ANE4 is suitable for applications that require high reliability due to its low power dissipation and excellent input/output isolation.In conclusion, the ULN2002ANE4 is a multi-output high-voltage and high-current Darlington plement that is used to AC/DC control a wide range of load types. This component is suitable for applications such as industrial robotics, printers, gaming machines and optical integrators. It requires careful consideration when selecting the input voltage and the current should not exceed the safely values. The ULN2002ANE4 also provides excellent operation under high temperatures and high reliabiltiy due to its low power dissipation and excellent input/output isolation.

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