P1602AA61 Circuit Protection

Series:	SIDACtor®
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - Breakover:	95V, 190V
Voltage - Off State:	65V, 130V
Voltage - On State:	4V
Current - Peak Pulse (8/20µs):	150A
Current - Peak Pulse (10/1000µs):	45A
Current - Hold (Ih):	150mA
Number of Elements:	2
Capacitance:	35pF, 60pF
Mounting Type:	Through Hole
Package / Case:	TO-220-3 No Tab

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TVS - Thyristors: P1602AA61 Application Field and Working Principle

Thyristors, also known as silicon-controlled rectifiers (SCR), are bistable semiconductor switches. They are widely used in AC power control and switching applications, and their use dates back to the 1940s. The P1602AA61 thyristor is a step-recovery thyristor, which is a type of device capable of switching a higher frequency signal than a traditional thyristor. This makes it useful for high-frequency power supplies, motor control, converters, and many other applications. In this article, we will discuss the application field of the P1602AA61 and its working principle.

Applications of the P1602AA61

The P1602AA61 thyristor is used in applications such as switching converters with high efficiency and frequency. The device offers an on-state voltage drop of less than 150mV and an on-state current of up to 3A. It can be used for frequency control of up to 1MHz, so it is ideal for applications such as motor control, high-frequency power supplies, AC power control, and power supply switching. It is also used in switched-mode power supplies where the need for power regeneration must be minimized.

Working Principle of the P1602AA61

The working principle of the P1602AA61 thyristor is based on the property of a thyristor to provide current flow in one direction only as long as it is forward-biased. This property, termed as “holding current” is used to control low-level AC currents. When the device is turned on, the holding current causes the transistor to stay on until the current is switched off.When the P1602AA61 is set to a high-frequency driving signal, it allows high-frequency current pulses to flow in one direction only. The low-voltage triggering voltage of the P1602AA61 is chosen such that it switches on for a brief period and then switches off quickly, allowing for fast and precise control over the current flow.In addition, the P1602AA61 device features an integrated thermal protection system. When the junction temperature exceeds a certain level, the device triggers an overload protection circuit which temporarily disables current flow to prevent damage to the device.

Conclusion

The P1602AA61 thyristor is a versatile device used in a variety of AC power control and switching applications. Its fast switching speed and integrated thermal protection system make it well suited for use in power electronic systems. It offers an on-state voltage drop of less than 150mV and an on-state current of up to 3A, and can be used for frequency control of up to 1MHz. With its low triggering voltage and fast switching speed, the P1602AA61 is an excellent choice for applications such as motor control, high-frequency power supplies, and AC power control.

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