1N5404-T

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	400V
Current - Average Rectified (Io):	3A
Voltage - Forward (Vf) (Max) @ If:	1V @ 3A
Speed:	Standard Recovery >500ns, > 200mA (Io)
Current - Reverse Leakage @ Vr:	10µA @ 400V
Capacitance @ Vr, F:	50pF @ 4V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-201AD, Axial
Supplier Device Package:	DO-201AD
Operating Temperature - Junction:	-65°C ~ 150°C
Base Part Number:	1N5404

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1N5404-T is a 3-terminal, silicon switching diode specifically designed for general-purpose use in applications such as battery-operated equipment, low current switching, and level shifting. It has a reverse voltage rated at 50 V, a power dissipation of 500 mW and a maximum average forward current of 3A at a junction temperature of +25°C. The 1N5404-T is a general-purpose, low-cost, low-capacitance construction designed for use in switching and level-shifting applications.

The Basics of 1N5404-T

1N5404-T is a diode in the popular TO-3 package, which is a metal can with three leads. The three principle leads of the device are a cathode, an anode, and a gate. The 1N5404-T typically consists of a heavily doped p-type region adjacent to an equally heavily doped n-type region which form a PN junction together.

Application Field of 1N5404-T

The 1N5404-T is typically used to protect electronic circuits from over-voltage and may be used as a clamp in circuits where high voltage spikes occur. The device is ideal for low current switching and level shifting applications, such as in battery-powered equipment, or in low voltage current limited circuit protection and snubbing.

Working Principle of 1N5404-T

The main purpose of 1N5404-T is to direct current (DC) in one direction only through a pair of terminals, forming a non-linear load. The diode\'s function is to easily and quickly allow current to flow in one direction while blocking current flow in the opposite direction. This is known as rectifying and is the fundamental function of all rectifier diodes.The diode is unique because it contains two junctions. These are connected in parallel to the Cathode terminal. Switching occurs when the Anode terminal is more positive than the Cathode terminal, allowing current flow in the forward direction. When the Anode terminal is less positive than the Cathode terminal, current flow is blocked and the junction is in the reverse bias region, making the 1N5404-T diode a bidirectional device.

Conclusion

The 1N5404-T is a general purpose, low-cost switching and level-shifting device suitable for applications such as battery-operated equipment, low current switching operations, and level-shifting. The device is designed to protect electronic circuits from over-voltage, and to quickly and easily allow current to flow in one direction while blocking current flow in the opposite direction.

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