DDZ12BSF-7

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Diodes - Zener - Single

The DDZ12BSF-7 is a single Zener diode which is primarily used to stabilize voltage levels in electronic circuitry. It is commonly used to provide a reference voltage to an electronic circuit or to protect electronic circuits from overvoltage and transients. The diode has an extremely small footprint and is constructed of a single semiconductor device with two anode and two cathode legs.

Device Structure and Physical Design

The DDZ12BSF-7 is a single Zener diode formed from two p-type semiconductor materials and two n-type semiconductor materials placed in a symmetrical arrangement. The diode has two arms, one p-type and one n-type, both connected to the anode and cathode terminals. The device is designed in a very compact structure, which makes it ideal for use in tight applications. The device measures 1.2mm × 0.62mm and is packaged in a SOT-23-5 package.

The device has a Zener voltage range of 6.2-6.8V with a Zener current in the range of 3.75mA-5mA. It also has high reverse leakage current and surge current ratings.

Application Fields

The DDZ12BSF-7 is primarily used in applications that require a device to perform the role of a voltage stabilizer in a circuit design. This can include stabilizing a voltage reference or providing overvoltage protection, as well as providing transient protection in circuits. The device can also be used in power supply designs, as well as in LED lighting, automotive electronics and process control applications.

Working Principle

The DDZ12BSF-7 works by taking the voltage on its anode and comparing it to the voltage on its cathode. If the voltage on the anode is greater than the voltage on the cathode, then the device will conduct current through the semiconductor junctions between the anode and cathode. This results in the voltage across the diode, known as the Zener voltage, being established and held at the required, stabilized level.

If the voltage on the anode increases due to a transient or overvoltage, then the device will conduct current, limiting the voltage on both the anode and cathode, thus providing overvoltage protection.

Benefits

The DDZ12BSF-7 offers excellent reliability and performs very well in high temperature environments. It can be used in both linear and switching applications and is RoHS compliant. The small size of the device makes it ideal for use in space-constrained applications, and its Zener voltage is easily adjustable.

The device is also highly cost effective, making it suitable for use in a wide range of applications. In addition, the device also comes with a wide range of ratings and package types, making it suitable for use in various industries.

Conclusion

The DDZ12BSF-7 is a highly reliable, single Zener diode which offers a wide range of benefits, making it an attractive option for use in various electronic applications. The device’s small size, adjustable Zener voltage and good reliability make it a great choice for applications requiring voltage stabilization, overvoltage protection, and transient protection.

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