CMZ5951B BK

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CMZ5951B BK Diodes – Zener - Single Application Field and Working Principle

The CMZ5951B BK performance is a kind of diode that works based on the Zener (field effect) principle. This diode is mainly used to provide over voltage protection in a variety of applications like automotive, industrial, Internet of Things (IoT), and aerospace. In addition, it can be used to regulate voltage in these applications.

The working principle of the CMZ5951B BK is based on the concept that when a reverse voltage is applied to the diode, it creates a depletion region over the PN junction. This depletion region limits the current flow in the same direction. When an excessive voltage passes through it, the emission of the electrons at the N-layer creates a Zener voltage, causing the diode to breakdown. This breakdown opens a channel, allowing the current to flow in both direction, which produces the astonishing stabilizing voltage.

The CMZ5951B BK Zener diode is available in a 5mm x 3.2mm SOD-323FL package. It has a maximum continuous forward voltage of 40V and a maximum repetitive peak forward voltage of 80V, making it ideal for all high-power designs. Its nominally rated Zener voltage is 59.6V with ±2% variation. It breaks down at 63V and has a maximum power dissipation of 200mW, guaranteeing reliable operation in high-power applications.

The CMZ5951B BK features a very low temperature coefficient of -2.2mV/℃, and can sustain operations over a wide temperature range, from -55℃ to 125℃. Its series resistance (at 0.1mA and 25℃) stays below 28 Ohm, while its Zener impedance varies from 2.8W to 1.3W in the range of 10V to 63V, allowing for maximum current transfer.

The CMZ5951B BK is designed to handle a wide range of operating conditions and is suitable for a variety of applications. It is typically used for spike voltage suppression and transient voltage suppression, clamping, voltage regulation, ground loop elimination, load balancing, and protection and testing. It can be used in automotive electronics, high-end industrial and commercial products, audio and video equipment, consumer and medical electronics, power supplies, smart home solutions, and Internet of Things (IoT) devices.

In conclusion, the CMZ5951B BK is a popular Zener diode designed for high-power applications. It features excellent performance, incredibly low voltage leakage, and a wide temperature range to ensure reliable operation in harsh conditions. It is a versatile device suitable for a variety of applications and capable of providing over-voltage protection and voltage regulation.

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