BZX585-C4V7,135

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A Zener diode is a semiconductor device that, when connected in reverse bias, behaves like any other silicon diode when the applied reverse voltage is low but behaves as a voltage source at higher breakdown voltage. BZX585-C4V7,135 is a Zener diode with a breakdown voltage of 4.7V at an allowed power of 135mW. It’s a single diode so it offers the advantage of a fast, one-time voltage regulator.

A Zener diode is a two-terminal, semiconductor-based device. In normal operation, current flows between the terminals. When the reverse voltage across the terminals exceeds the breakdown voltage (also known as the Zener voltage), electrons from the P-type material acquire enough energy to cross the junction and recombine with holes in the N-type material, creating a reverse current known as a “Zener breakdown current.” This current continues to flow until the reverse voltage is reduced or removed.

The Zener diode is typically used as a voltage regulator, in that it provides a consistent output voltage of 4.7V, regardless of the input voltage. This makes it ideal for applications where voltage regulation is required and the possibility of overvoltage is significant. It’s also well-suited to switch-mode power supplies, linear voltage regulators, motor control circuits and automotive electronics.

The BZX585-C4V7,135 Zener diode is an example of a low-power, low regulation voltage regulator. Its maximum power dissipation rating is 135mW and its dynamic impedance is 4.7 ohms. Its package size is DO-35 and its maximum allowable operating temperature is 110oC. The maximum reverse voltage and peak forward current are 8V and 100mA, respectively.

In summary, the BZX585-C4V7,135 is a single diode Zener diode with a specific breakdown voltage of 4.7V. It’s a low-power, low-regulation voltage regulator that’s ideal for switch-mode power supplies, linear voltage regulators, motor control circuits and automotive electronics. Its maximum power dissipation rating is 135mW and its maximum allowable operating temperature is 110oC.

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