BZD27B36P-HE3-08

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The BZD27B36P-HE3-08 is classified as a single Zener diode. Zener diodes are a type of diode that, when connected in a circuit, behaves inversely of the traditional diode when it is reverse-biased. Non-linear zener diodes maintain a constant voltage level regardless of the amount of current passing through them. As the current increases, so does the voltage; however, the voltage always stays at a fixed and predetermined level. Zener diodes are used to regulate and protect electronic circuits from power surges and voltage spikes.

The BZD27B36P-HE3-08 is a low speed, high voltage tolerance type of non-linear zener diode. It has a maximum reverse voltage of 36V, a maximum surge current of 1.2A, and an average of 0.5A. With a peak reverse recovery time of 150ns, this diode is a fast-reacting component, allowing it to effectively protect circuits from voltage spiking. This diode is also suitable for automotive applications as it has EMC and vibration immunity.

The main purpose of the BZD27B36P-HE3-08 is to protect sensitive electronic components or circuits from spikes or short duration high voltage disturbances. Its low surge current rating means it is best-suited to protect circuits from low-power, low-voltage surges. This may include automotive voltage spikes, transient electromagnetic interference (EMI) from the environment, and cross talk between electronic PC board design elements.

The BZD27B36P-HE3-08 follows the same principle as all other Zener diodes. In forward-bias, the diode’s Zener voltage (reverse breakdown voltage) remains below the supply voltage. When the applied voltage is greater than the Zener voltage, the diode begins to conduct current and the excess voltage is dropped across the diode. In this state, the supply voltage is limited to a maximum voltage defined by the Zener voltage.

In reverse-bias, the diode does not conduct current, so the supply voltage is limited to the Zener voltage. When the supply voltage is greater than the Zener voltage, the diode is said to be in a reverse-biased state and will begin to conduct current. This current is referred to as a Zener current and is designed to protect the circuit from overvoltage.

The BZD27B36P-HE3-08 is a silicon-based, low-power Zener diode used in a variety of applications. It can be used in DC voltage regulation, over-voltage protection, and EMI prevention. In addition, it is also suitable for automotive applications, due to its fast response time and vibration immunity.

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