1N4148_S00Z

Series:	--
Part Status:	Obsolete
Diode Type:	Standard
Voltage - DC Reverse (Vr) (Max):	100V
Current - Average Rectified (Io):	200mA
Voltage - Forward (Vf) (Max) @ If:	1V @ 10mA
Speed:	Small Signal =
Reverse Recovery Time (trr):	4ns
Current - Reverse Leakage @ Vr:	5µA @ 75V
Capacitance @ Vr, F:	4pF @ 0V, 1MHz
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35
Operating Temperature - Junction:	-55°C ~ 175°C

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Introduction

1N4148_S00Z is an axial lead, discrete diode, rectifier, and single junction. The diode has multiple applications including general purpose rectification, switching, clamping, or protection. As an axial lead, the diode is the ideal choice for applications requiring a good balance between size and performance and excellent junction temperature characteristics.

Application Fields

1N4148_S00Z diodes can be used in many prominent applications and plays a vital role in the functioning of electrical components. They are mostly commonly used in power supplies circuits and in telecommunication applications.1N4148_S00Z diodes are widely used in the power supply designs for their low forward voltage drop. Usually, these diodes are able to operate with a low forward voltage drop and this is achieved with the help of a high forward current and a low reverse current leakage.1N4148_S00Z diodes are also used as protection diodes in telecommunication and network devices. This diode can protect the electronics from high reverse bias voltages that can be formed due to various reasons such as lightning strikes, electrostatic discharge and other forms of high transients. In addition, these diodes can also be used in radio receiver circuits and other classic amplifier designs.

Working Principle

1N4148_S00Z diodes use a PN junction – a semiconductor structure that consists of a positive (P) and a negative (N) type of semiconductor material. When a bias voltage is applied, the diode will allow electric current to flow through it in one direction (forward bias) and block it in the other direction (reverse bias).When a forward bias is applied on the 1N4148_S00Z diode, the holes present in the P-type material combine with the electrons present in the N-type material and free current starts to flow. The forward voltage drop of this diode is approximately 0.8 volts at a forward current of 2 amperes.When a reverse bias is applied, the P-type material has a greater electric field and hence, the electrons in the N-type material can no longer combine with the holes in the P-type material. This blocks the flow of current and the diode is in the turned off state.

Conclusion

1N4148_S00Z diodes are single junction axial lead diodes and have multiple applications. The diode finds widespread usage in power supply and telecommunication applications. The working principle of the diode is based on the PN junction which works on the principle of forward and reverse bias. The high forward voltage drop and low reverse voltage leakage make 1N4148_S00Z diodes ideal for use in power supply circuits.

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