ATV15C121JB-HF Circuit Protection

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TVS - Diodes, or transient voltage suppressors are used to protect electronic devices from voltage surges. The ATV15C121JB-HF is a particular type of TVS - Diode that is used to protect sensitive electronic devices from voltage transients and occasional power outages. It is typically used in applications such as data centers, telecommunications, medical electronics, industrial control systems, military, and aerospace.

The ATV15C121JB-HF is a low-capacitance, bidirectional, monolithic transient voltage suppression diode. It has a low profile of only 0.27" (6.95mm) and is available in an MSOP-8 package. It features a slow response time, low capacitance, and a high standoff voltage.

The ATV15C121JB-HF is designed to protect high-speed data lines such as USB, Ethernet, and HDMI from voltage transients caused by short duration disturbances in the power line. It is designed to provide protection from over-voltage, under-voltage, and electrostatic discharges (ESDS). It has a maximum leakage current of 100nA and a reverse breakdown voltage of 15V.

The ATV15C121JB-HF has two diodes inside, which are connected in a reverse-parallel configuration. This arrangement allows it to respond to both positive and negative transients. When the voltage exceeds the maximum or minimum threshold of the ATV15C121JB-HF, the diode will conduct current and dissipate the voltage. It can handle up to 8.8A of surge current for a period of up to 10µs. This gives it sufficient power handling capabilities for most applications.

The ATV15C121JB-HF is also designed to withstand Electrostatic Discharge (ESD) events, with a specified Human Body Model (HBM) rating of 8kV. The device has a low junction capacitance which helps it to suppress high frequency spike transients while reducing power loss during low frequency, steady-state conditions. This allows it to be used for applications where low jitter and power loss are required.

In summary, the ATV15C121JB-HF is a low-capacitance bidirectional monolithic transient voltage suppression diode used for protecting sensitive electronic devices from voltage transients and occasional power outages. It is an ideal choice for applications such as data centers, telecommunications, medical electronics, industrial control systems, military, and aerospace. The device has a reverse breakdown voltage of 15V, a maximum leakage current of 100nA, and can handle up to 8.8A of surge current for a duration of up to 10µs. The device is also protected from electrostatic discharges, with a HBM rating of 8kV.

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