1PGSMA4759HM2G

Series:	Automotive, AEC-Q101
Part Status:	Active
Voltage - Zener (Nom) (Vz):	62V
Tolerance:	±5%
Power - Max:	1.25W
Impedance (Max) (Zzt):	125 Ohms
Current - Reverse Leakage @ Vr:	1µA @ 47.1V
Voltage - Forward (Vf) (Max) @ If:	1.2V @ 200mA
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-214AC, SMA
Supplier Device Package:	DO-214AC (SMA)

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Introduction

1PGSMA4759HM2G is a diode of the zener type, meaning that it can be used to produce a controlled voltage reference. It has a maximum power dissipation of 0.75 watts and a breakdown voltage of 4.75 volts. However, this diode has multiple applications and operating principles that must be taken into account when considering its use.

Applications

The 1PGSMA4759HM2G is primarily used in applications where a reference voltage is needed, such as voltage regulators and voltage multipliers. It is also used in radio communication as an oscillator, amplifier, and/or mixer. Other applications include wave shaping, pulse shaping, and limiters, as well as rectification and clamping.

Voltage Reference

When used as a reference voltage, the 1PGSMA4759HM2G is connected in series with the load (such as the output of a voltage regulator). If the voltage from the load exceeds the breakdown voltage of the diode (4.75V in this case), the diode will allow current to flow, and the voltage will remain at a constant level. In this way, the diode acts as a voltage regulator, preventing the voltage from becoming too high.

Oscillators and Amplifiers

When used as an oscillator, the 1PGSMA4759HM2G is connected in parallel with a capacitor and a resistor. The diode creates a feedback circuit that results in an oscillating voltage waveform. The frequency of the oscillations is determined by the resistor and capacitor values.When used as an amplifier, the 1PGSMA4759HM2G can amplify an AC or DC signal with a low voltage and high current gain. It can also be used as a mixer, combining two signals and producing an output waveform consisting of the sum and difference of the two signals.

Wave Shaping, Pulse Shaping, and Limiters

The 1PGSMA4759HM2G can also be used for wave shaping, for example to convert a sinusoidal wave into a square wave. This is done by connecting the diode in series with the signal, so that the positive portion of the waveform is clipped off, resulting in a square wave. When used for pulse shaping, the diode is connected in a way that only allows the positive portion of the waveform to pass, resulting in a positive-going pulse waveform.The 1PGSMA4759HM2G can also be used as a limiter, which is an electronic circuit that limits the amplitude of a signal. This is done by connecting the diode in series with the signal, so that the voltage exceeds the breakdown voltage of the diode at a certain level, and thus is effectively limited.

Rectification and Clamping

The 1PGSMA4759HM2G can also be used for rectifying and clamping voltage signals. For rectification, the diode is used in conjunction with a transformer to convert alternating current (AC) into direct current (DC). In this application, the diode allows the current to only flow in a single direction, resulting in a DC voltage.The 1PGSMA4759HM2G can also be used for clamping, which is the process of removing unwanted signals from a voltage waveform. In this application, the diode is connected in series with a capacitor and a resistor, which act as a filter. The diode limits the current, and the capacitor and resistor act as a low pass filter, removing any unwanted frequency components from the signal.

Conclusion

The 1PGSMA4759HM2G is a versatile diode, with multiple applications and working principles. It can be used as a voltage reference, an oscillator, an amplifier, a mixer, a wave shaper, a pulse shaper, a limiter, a rectifier, and a clipper. Understanding the applications and operating principles of the 1PGSMA4759HM2G is essential for successful operation when using this diode in any of its many applications.

The specific data is subject to PDF, and the above content is for reference

Part Number	Manufacturer	Price	Quantity	Description