BZD27C62PW

The BZD27C62PW is a silicon Zener diode designed for incorporation into integrated circuits. It is classified as a single Zener diode, which is used to regulate the voltage level in a circuit. As one of the most commonly used voltage regulation components, diodes have a number of applications, and the BZD27C62PW is no exception.

ApplicationField

One of the major applications of the BZD27C62PW is in the protection against over-voltage transients. This diode can be used for voltage clamping in audio power amplifiers and power supplies, since it possesses two opposite characteristics, high input impedance and low output impedance. Its clamping ability also makes it useful for restraining noise from nearly any type of digital load.

The package of the BZD27C62PW also makes it suitable for applications that require a small form factor. It is a surface mountable diode and therefore stays compact to reduce circuit board sizes and save space for further components. As a result, it frequently finds use in space saving designs like cell phones, personal computers, tablet computers, etc.

The BZD27C62PW is also known to be used in situations where a single high power supply traces are easily accessible, such as automotive start-up circuits. This is because the low on-state resistance of the diode helps the output device draw higher current.

Working Principle

At its core, the BZD27C62PW is a type of semiconductor Diode which primarily functions as a Voltage Clamping Device. It works by limiting the voltage levels in the current path to a preset value, regardless of the magnitude of the original voltage provided. When a voltage is applied to its Anode(+) terminal, if it is lower than the breakdown voltage, the voltage will pass through unchanged. But if the voltage is higher than the breakdown voltage, the excess voltage will be “clamped” which results in a lowered voltage for the output.

The BZD27C62PW provides a constant forward voltage drop of 2.6V at 249mA and 2 V typical when conducting forward current of 2.13mA. It has a maximum reverse surge current, known as the peak pulse current, of 6.3A. Furthermore, the BZD27C62PW has a limited temperature range, with reversible temperature coefficient of 0.2% / °C, capable of operating in temperatures as low as -40°C and as high as +125°C.