ZMM5237B-7 Discrete Semiconductor Products

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The ZMM5237B-7 is a low-power, medium-voltage zener diode that is suitable for use in a variety of applications. Zener diodes are commonly used to protect electronics against overvoltage conditions. When the power supply voltage exceeds the zener diode\'s reverse breakdown voltage, the diode conducts and diverts current away from sensitive components, protecting them from damage. This makes zener diodes valuable in applications where overvoltage protection is needed, including industrial, automotive, and consumer electronics.

The ZMM5237B-7 is a single-phase medium voltage zener diode that provides a reverse breakdown voltage of 7V. It has a low power dissipation (0.75 Watts) and a maximum operating temperature of 155°C. The diode also features a low leakage current of only 6 μA at 25°C and a reverse recovery time of 1.4 microseconds, making it well suited for use in high-efficiency power supplies.The device is available in a standard TO-92L-3 package that is compatible with most through-hole PCB designs.

The ZMM5237B-7 is commonly used in applications where overvoltage protection is needed, such as LED lighting, consumer electronics, and power supplies. Additionally, it can be used as an ESD protection device, as it has a high ESD rating of up to 2,500 volts.

The working principle of zener diodes is based on their reverse-voltage breakdown characteristics. When the zener diode is reverse-biased, the diode exhibits a sharp decrease in resistance, causing a large increase in current. This large current is limited to a safe level by adding a resistor in series with the diode. When the voltage across the diode exceeds the rated reverse breakdown voltage, the diode conducts in the reverse direction to protect the circuit.

In conclusion, the ZMM5237B-7 is a low-power, medium-voltage zener diode that is suitable for use in a variety of applications. It has a reverse breakdown voltage of 7V and a maximum power dissipation of 0.75 Watts. The diode is also characterized by a low leakage current of 6 μA and a fast reverse recovery time of 1.4 microseconds. It is available in a small, standard TO-92L-3 package, making it a great choice for through-hole PCB designs, LED lighting, consumer electronics, and power supplies. The device provides reliable protection against overvoltage conditions and can also be used as an ESD protection device.

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