SS310LHMQG

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Diode Type:	Schottky
Voltage - DC Reverse (Vr) (Max):	100V
Current - Average Rectified (Io):	3A
Voltage - Forward (Vf) (Max) @ If:	850mV @ 3A
Speed:	Fast Recovery = 200mA (Io)
Current - Reverse Leakage @ Vr:	100µA @ 100V
Capacitance @ Vr, F:	--
Mounting Type:	Surface Mount
Package / Case:	DO-219AB
Supplier Device Package:	Sub SMA
Operating Temperature - Junction:	-55°C ~ 150°C

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Introduction

The SS310LHMQG is a rectifier diode which belongs to the well-known single diode family. It is commonly used in signal processing, voltage regulation and pulse compensation applications. This article aims to shed some light on the application field and working principle of SS310LHMQG.

Application Field

The SS310LHMQG is a low speed rectifier made with a low reverse leakage current. It is mainly used to protect the surge current coming from the circuit. Due to its low reverse leakage current, it is also suitable for high temperature applications like switching power converters, AC relays and heat sinks. Moreover, the SS310LHMQG can be used for controlling the switching operation of motor drives with high accuracy. In order to reach this goal, it is usually assembled with an optocoupler as the output element and an optoelectronic device, motors and speed controllers. Finally, the SS310LHMQG is used for the detection of the temperature of high voltage equipment, such as of X-ray machine, or in fiber optic equipment (e.g. G connector).

Working Principle

The SS310LHMQG operates as a rectifier as it consists of two distinct p-n junction diodes connected in series. When an input signal is applied, the current flowing through the p-n junction diode is limited to the diode’s reverse-biased voltage and the reverse current reaches zero.The purpose of a rectifier diode such as the SS310LHMQG is to convert alternating current (AC) to direct current (DC) through rectification. This process prevents current surges and power supply inefficiencies which may otherwise cause equipment damage.On the one hand, the use of the SS310LHMQG as a voltage regulator allows the power supply to remain at a relatively constant voltage regardless of load requirements, thus protecting the equipment from power loss. On the other hand, the SS310LHMQG also functions as a pulse compensator, allowing for efficient transient suppression by stabilizing the power supply and preventing dangerous voltage spikes.

Conclusion

In conclusion, the SS310LHMQG is a versatile rectifier diode which is typically used in signal processing, voltage regulation and pulse compensation applications. It features a low reverse leakage current, making it suitable for high temperature applications and its use as a voltage regulator and pulse compensator ensures smooth current flow and protection against power loss.

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