Microchip Technology SMAJ4751E3/TR13 Zener Diode

The SMAJ4751E3/TR13 from Microchip Technology is a high-quality Zener diode designed to provide excellent voltage regulation and protection in a variety of electronic applications. This Zener diode is part of the SMAJ series, which is well-known for its reliability and performance. The SMAJ4751E3/TR13 is specifically crafted to offer a Zener voltage of 39 volts, making it suitable for use in voltage stabilization and clipping circuits where precise voltage control is required.

Constructed with silicon technology, this Zener diode comes in a compact DO-214AC (SMA) package, which is not only space-efficient but also provides superior thermal performance. This surface-mount device is designed to handle a power dissipation of 1 watt, ensuring it can withstand moderate power levels while maintaining its voltage regulation properties.

The SMAJ4751E3/TR13 is characterized by its sharp breakdown characteristics, which means it starts to conduct at its rated Zener voltage with minimal leakage current, providing a stable and predictable clamping voltage. This feature is particularly important in protecting sensitive electronic components from overvoltage transients and spikes that can occur due to sudden changes in load or external disturbances.

In terms of its electrical specifications, the SMAJ4751E3/TR13 has a test current (Izt) of 9.5 mA, which is the current at which the Zener voltage is guaranteed. Additionally, it has a maximum Zener impedance (Zzt) of 20 ohms, ensuring low resistance during operation and contributing to its efficiency.

The device is also designed with an eye on safety and reliability, meeting the RoHS compliance standards, which means it is free from hazardous materials like lead, making it environmentally friendly and suitable for use in a wide range of consumer and industrial products.

Overall, the SMAJ4751E3/TR13 Zener diode from Microchip Technology is an excellent choice for designers looking for a robust voltage regulation solution that combines compactness, high performance, and environmental consciousness.