1N4004 BK

Series:	--
Packaging:	Bulk
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	400V
Current - Average Rectified (Io):	1A
Voltage - Forward (Vf) (Max) @ If:	1.1V @ 1A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr:	5µA @ 200V
Capacitance @ Vr, F:	--
Mounting Type:	Through Hole
Package / Case:	DO-204AL, DO-41, Axial
Supplier Device Package:	DO-41
Operating Temperature - Junction:	-65°C ~ 175°C

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1. Introduction of 1N4004 BK

The 1N4004 BK is one of the leading rectifier diodes manufactured by leading company NXP. It is a part of the general purpose diode family produced for a wide range of applications and also enables greater performance. They are also known as single, fast rectifier diodes or simply diodes due to the single diode components consisting of one anode and one cathode. This diode model is designed to work at rectifier, protection, switching and boost functions in the circuit and they are available in the SOD-123FL, SOD-323, SMA and AXIAL packages, having a voltage of 60V.

2. Working Principle of 1N4004 BK

The 1N4004 BK is a part of the family of diode rectifiers known as single rectifier diodes. The diode consists of two terminals, a cathode and an anode. When these two terminals are connected, the diode will allow the electrons to flow from the anode to the cathode creating a current, otherwise it will not conduct. This principle works in either direction - meaning that passing current from the cathode to the anode will also be allowed but at a lower voltage than passing current from the anode to the cathode. The current will only flow in the forward direction in the diode, meaning that it can act as a rectifier - converting AC current to DC current.

3. Application of 1N4004 BK

The 1N4004 BK is widely used in a variety of applications. It can be used as a rectifier, in switching, protection and boost functions in the circuit. It is widely used in automotive applications, such as rectifying and switching of power signals, and in power supplies, electronic equipment and TV sets. It can also be used in computer motherboards and in general DIY projects to make connections and provide protection.

4. Conclusion

The 1N4004 BK is an excellent type of single rectifier diode for general applications thanks to its high endurance, low reverse leakage current and low forward voltage drop. Its application range from general rectifier, protection, switching and boost functions which makes it ideal for the automotive, industries and DIY sectors. Its usage principles of having one anode and cathode with the current flowing from the anode to the cathode is also easy to understand and apply in the circuit.

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