CR1553AB

Voltage - Clamping (Max) @ Ipp:	--
Supplier Device Package:	TO-220
Package / Case:	TO-220-3 No Tab
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	--
Current - Peak Pulse (10/1000µs):	--
Series:	SiBOD™ TO-220
Voltage - Breakdown (Min):	180V
Voltage - Reverse Standoff (Typ):	130V
Bidirectional Channels:	3
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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CR1553AB is a commonly used type of TVS-Diodes, specially designed for surge protection applications. It is mainly used in three areas: automotive, consumer electronics, and industrial electronics. In automotive applications, the device is mainly used for controlling voltage and protecting sensitive components from damage due to transients. In consumer electronics, it is often used in power supplies, digital cameras, and other applications where protection from voltage spikes is required. Finally, in industrial electronics, the device is often used to protect industrial control systems, retransmission systems, and other high voltage environments.The CR1553AB has a working principle based on avalanche breakdown. This is a phenomenon that occurs when a strong electric field applied to a junction of a semiconductor exceeds the threshold field strength of the material. This will cause electrons to break down the potential barrier, resulting in a very fast current flow. This current flow causes a large spike in voltages that can damage sensitive components.The device is designed to suppress transient voltages and protect the device from damage caused by spikes. It features a low leakage current, low capacitance, and fast response time. The device is also designed for use in high frequency applications, where high surge protection and efficient filtering is required.The CR1553AB consists of a single diode that is connected in series with a reverse-biased Zener diode. The Zener diode acts as a “valve” that is designed to allow current to flow during normal operations, but to block the flow of current during transients. When a transient voltage occurs, the Zener diode will conduct current, thus limiting the amount of energy that reaches the downstream components.The device also features an integrated thermal shutoff mechanism that will prevent the device from overheating due to excess current flow during transients. This thermal protection feature ensures that the device will be able to handle a large amount of surge current without the risk of damage.Finally, the device is also designed to provide efficient noise filtering. In addition to providing surge protection and fast response time, it also helps reduce interference levels and helps protect sensitive circuitry from high frequency signals.Overall, the CR1553AB is a great device for protecting equipment from transient voltage surges. Its combination of low leakage current, low capacitance, fast response time, thermal protection, and noise-filtering make it an ideal choice for many applications. Whether it is used in automotive, consumer, or industrial applications, the CR1553AB is an excellent choice for surge protection.

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