BZX84C4V3S-7 Discrete Semiconductor Products

The BZX84C4V3S-7 is a type of diode array designed for a wide range of applications. It is a multi-gain diode array made from high-performance, low resistance, and common cathode type devices. The BZX84C4V3S-7 is a 4 pin, 8.4 V, 4 mA maximum type diode array designed for current stabilization, energy management, and safeguarding of a circuit against electric surges and transients.

The diode array is composed of four elements connected in series within a single package. Each element consists of a discrete diode connected in common cathode configuration. The four diodes are sized as follows: 8.4V (30mA maximum) and 4V (30mA maximum).

The BZX84C4V3S-7 has a wide range of applications, including protection of electronic components and circuits from high surge voltages, reverse current protection, electrostatic discharge (ESD) protection, current limiting, temperature sensing, temperature compensation, and overvoltage protection. This diode array is ideal for use in a wide range of applications such as automotive, aviation, communication systems, computers, consumer electronics, industrial controls, medical instruments, power supplies, test instrumentation, and telecom.

The working principle of the BZX84C4V3S-7 is based on the Zener effect. This refers to the electrical phenomenon which occurs when reverse voltage is applied across a junction composed of a suitable semiconductor material. As the voltage across the diode reaches the Zener voltage (a specific cut-off voltage of that particular diode), the diode conducts current in the forward direction. This current flow stabilizes the voltage applied to the diode and maintains it at a set value.

In addition, the BZX84C4V3S-7 can be utilized to provide reverse voltage protection to a circuit. This is known as the Zener Reverse Voltage Limit Protection. This phenomenon prevents current from flowing in the reverse direction and damaging the components in the circuit. It also keeps the current level within certain limits as indicated in the data sheet.

The BZX84C4V3S-7 can also be used to sense temperature in a circuit. In this application, the diode array works by detecting changes in the voltage across its junction. When there is a significant temperature change, the voltage across the junction changes, causing the diode to conduct current and signal the temperature change.

Overall, the BZX84C4V3S-7 is an effective diode array with a wide range of uses in a variety of applications. It is based on the Zener effect and can be used to provide reverse voltage protection, current limiting, and temperature sensing. Moreover, it offers excellent electrical properties, excellent thermal stability, and a long operating lifetime.