SMBG5374C/TR13

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The SMBG5374C/TR13 is a single Zener Diode from the Samsung semiconductor family. This diode is designed for high voltage breakdown applications, with a maximum peak inverse voltage (PIV) rating of 5.3V DC. It also has an operating temperature range of -55°C to +150°C, and can withstand surges up to 2A for one second.

The SMBG5374C/TR13 is typically used to provide avalanche breakdown protection for sensitive components and circuits in applications such as battery-powered electronic devices, power circuits and automotive electronics. It is also suitable for general protection circuits, telecom line surge protection, and protecting secondary side circuits in inverters.

The SMBG5374C/TR13 is designed to have a reverse breakdown voltage ranging from 4.7 to 5.3V DC, with a maximum reverse leakage current of 100mA at 5.3V DC. Its non-repetitive peak pulse current rating is 200mA. It is constructed with a silicon thermal oxynitride diode chip on the lead frame, and is housed in a hermetic SOD-123 package for enhanced reliability and performance in harsh environments.

The working principle of the SMBG5374C/TR13 is based on the Zener effect, which states that when a reverse bias voltage is applied to a semiconductor junction, the resistance between the two junctions becomes very low. When the reverse bias voltage reaches a certain level, called the breakdown voltage, the depletion region around the junctions collapses and current begins to flow. This is known as Zener avalanche.

The SMBG5374C/TR13 provides high-voltage breakdown protection by breaking the circuit in the event of an over-voltage situation. It is designed to have a low forward voltage drop, and its low-leakage current rating ensures that it only activates when necessary. The zener diode is able to break the circuit by clamping the voltage at a specified level. This provides an effective way of protecting sensitive components and circuits from over-voltage damage.

In summary, the SMBG5374C/TR13 is a single Zener diode from the Samsung semiconductor family. It is designed for high voltage breakdown applications and provides high-voltage protection and low leakage current. The diode is suitable for a wide range of applications such as battery-powered electronic devices, power circuits and automotive electronics, and telecom line surge protection. The Zener effect, which states that current begins to flow when the reverse bias voltage reaches a certain level, is the working principle of the SMBG5374C/TR13.

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