P6SMB20CA-M3/5B Circuit Protection

Voltage - Clamping (Max) @ Ipp:	27.7V
Supplier Device Package:	DO-214AA (SMBJ)
Package / Case:	DO-214AA, SMB
Mounting Type:	Surface Mount
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	600W
Current - Peak Pulse (10/1000µs):	21.7A
Series:	P6SMB, TransZorb®
Voltage - Breakdown (Min):	19V
Voltage - Reverse Standoff (Typ):	17.1V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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A TVS diode is a special type of semiconductor device designed to protect devices connected to a circuit from external and internal electrical surges, such as electrostatic discharge (ESD). The P6SMB20CA-M3/5B is a popular TVS diode that is capable of withstanding ESD up to 20 KV without degradation.The P6SMB20CA-M3/5B has a modular structure with two substrate layers. The top layer consists of a rectangular strip of P-type Si material attached on the inner surface of the diode. This strip serves as the anode and is connected to the ground. The bottom layer has two longitudinal strips of N-type Si material attached on the inner surface of the diode. These two strips serve as the cathode and provide a large current-handling capability.The P6SMB20CA-M3/5B is an ultra-low capacitance diode optimized for ESD protection on high-speed signal lines. It has a nonlinear, non-polarized design that prevents the flow of current in both the forward and reverse directions. The diode is designed to operate within a specified voltage range of 6 volts to 15 volts.The P6SMB20CA-M3/5B is mainly used in circuits with sensitive components, such as electronic components in CPUs and memory chips. The diode provides protection from damage caused by electrical surges, such as Electrostatic Discharge (ESD). It is also used in optoelectronic circuits, where it can prevent the destruction of light-emitting diodes (LEDs).The P6SMB20CA-M3/5B works on the principle of reverse breakdown. When an electrical surge is applied to the anode, it causes an increase in the diode\'s reverse current. The sudden increase in current causes the voltage across the diode to break down and the current to flow in the reverse direction. This results in a clamping of the applied voltage and the current is diverted away from the sensitive components in the circuit.In addition to its ESD protection capability, the P6SMB20CA-M3/5B also supports a wide range of line frequency blocking applications. The nonlinear and non-polarized design of the diode makes it well-suited for broadband applications where wide-frequency range attenuation and signal waveform preservation are important. The device also supports EMI/RFI filtering applications, where the high-frequency ringing can be suppressed.The P6SMB20CA-M3/5B is a highly reliable and cost-effective TVS diode that offers excellent protection from ESD and a wide range of line frequency protection. Its modular design with two substrate layers makes it ideal for use in circuits with sensitive components, and its nonlinear, non-polarized design makes it suitable for broadband applications. The device is also well-suited for EMI/RFI filtering applications, where it can provide effective attenuation of high-frequency signals.

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