BZX55F9V1-TR

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Voltage - Zener (Nom) (Vz):	9.1V
Tolerance:	±1%
Power - Max:	500mW
Impedance (Max) (Zzt):	10 Ohms
Current - Reverse Leakage @ Vr:	100nA @ 6.8V
Voltage - Forward (Vf) (Max) @ If:	1.5V @ 200mA
Operating Temperature:	175°C
Mounting Type:	Through Hole
Package / Case:	DO-204AH, DO-35, Axial
Supplier Device Package:	DO-35

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Introduction to BZX55F9V1-TR

The BZX55F9V1-TR is a voltage regulator diode that is categorised under Diodes - Zener - Single. This device is small in size and is intended for use as a shunt regulator in order to limit or drop the voltage to a desired level. This type of voltage regulator diode is widely used in consumer electronics, automotive systems, and off-board regulation.

Applications of BZX55F9V1-TR

The BZX55F9V1-TR can be used in many different applications depending on the user\'s requirements and specifications. Some of the most common applications include:

• Electronic circuits with voltage regulators.
• Power management circuits.
• As a voltage reference for over-current protection circuitry.
• Switch mode power supply controllers.
• Power factor rectifier circuits.
• Clipping circuits when stabilizing the voltage.
• Providing a known switching point in peak detectors.
• Power management of DC/DC converters.
• High-speed signal isolation.
• High-precision signal switching.

The BZX55F9V1-TR is also suitable for use in various types of safety-critical applications, such as:

• Medical equipment.
• Military equipment.
• Aircraft and aerospace applications.
• Industrial automation systems.

Mechanics of BZX55F9V1-TR

The BZX55F9V1-TR is composed of two parts: the power or main semiconductor and the control circuitry. The main semiconductor is composed of three elements. The first element is a zener diode, which limits the voltage to a certain value. The second element is a transient voltage suppressor (TVS) that limits current flow through the device when an overvoltage condition is detected. The third element is a strongly reverse-biased bipolar junction transistor that provides the control circuitry with a low input impedance.The control circuitry is composed of a comparator and an active feedback loop. The comparator compares the input and output voltages, and the feedback loop adjusts the current flow to maintain the desired output voltage. This topology provides an efficient and accurate voltage regulation.

Features of BZX55F9V1-TR

The BZX55F9V1-TR offers several advantages over other voltage regulator diodes, such as:

• High-voltage tolerance of ±25V.
• High-current capability of up to 1A.
• Low dropout voltage of 0.2V.
• High-impedance control circuitry for accurate regulation.
• Low thermal resistance.
• Rugged construction for higher reliability.
• Low temperature coefficient.
• Low noise operation.
• Fast response time.

These features make the BZX55F9V1-TR an ideal choice for use in applications such as voltage regulation or over-current protection.

Conclusion

The BZX55F9V1-TR is a voltage regulator diode that is suitable for use in many different applications, from consumer electronics to high-precision signal switching. It features a high-voltage tolerance, high-current capability, low dropout voltage, and other advantageous features. The BZX55F9V1-TR is a reliable and efficient device that is widely used for voltage regulation or over-current protection in a variety of applications.

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