BZG04-39TR3

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TVS (transient voltage suppressor) diodes are components used to protect sensitive electronics that might otherwise be damaged by electrical surges. The BZG04-39TR3 is a four-channel TVS diode that provides robust protection against transient voltage spikes.

Applications

The BZG04-39TR3 is most often used in automotive applications, such as engine immobilizers, immobilizer control units, cruise control systems, and more. It can also be used in telecom and consumer electronics applications, including audio/visual receivers, set-top boxes, and digital cameras.

Principle of Operation

The BZG04-39TR3 is an overvoltage protection device, designed to protect sensitive circuitry from transient voltages. As the voltage across the TVS diode increases beyond its breakdown voltage (VBR), it begins to conduct, thereby providing protection from overvoltage transients.

The BZG04-39TR3 is configured as a four-channel device and features an ESD extended surge current rating of 4000A (8 x 20us). During surge events, the BZG04-39TR3 will conduct current until the voltage drops below the specified breakdown voltage (VBR). Once the voltage is back in a safe range, the BZG04-39TR3 will cease to conduct, allowing the system to return to normal operation.

Additional Features & Benefits

The BZG04-39TR3 features fast response time of less than 1nS, and a low reverse leakage of <2µA. It also offers a wide operating temperature range from -50°C to +150°C, and is RoHS compliant. Additionally, it features a low profile surface mount package, which minimizes board space and allows for efficient thermal dissipation.

Conclusion

The BZG04-39TR3 is a four-channel TVS diode designed to protect sensitive components from overvoltage transients. It offers robust protection, fast response time, low leakage, and an extended operating temperature range. It is most commonly used in automotive applications, but can also be used in telecom and consumer electronics applications. Its low profile surface mount package makes it an ideal choice for space-constrained designs.

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