CDNBS08-SRDA3.3-4

Voltage - Clamping (Max) @ Ipp:	10.9V
Supplier Device Package:	8-SOIC
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	15pF @ 1MHz
Applications:	Ethernet
Power Line Protection:	Yes
Power - Peak Pulse:	500W
Current - Peak Pulse (10/1000µs):	43A (8/20µs)
Series:	--
Voltage - Breakdown (Min):	4V
Voltage - Reverse Standoff (Typ):	3.3V
Unidirectional Channels:	4
Type:	Steering (Rail to Rail)
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes are two-terminal electronic components, typically used to protect sensitive electronic components from electrical overstress, such as lightning or electronic switching transients. They also protect against electrostatic discharge, as well as EMI and RFI. CDNBS08-SRDA3.3-4 is one type of TVS - diode, which is characterized by high surge current capability, small size, low operating voltage, low capacitance and negligible reverse leakage current. Application FieldCDNBS08-SRDA3.3-4 is appropriate for high-powered electronic equipment such as telecommunication towers, HVDC power control equipment, computer servers and other equipment. This circuit protector can protect against overvoltages associated with lightning strikes, turning on of inductive systems, or any other form of high-power, short-term surge or spike.Working PrincipleThe operating principle of CDNBS08-SRDA3.3-4 is based on the conduction of an avalanche breakdown transient of varying resistive components. When a transient voltage or lightning is applied across the diode devices, a high current flows between the anode and the cathode, which reduces the voltage across the diode. The electrical current is then removed from the diode device and the transient voltage or spike voltage is gone, thus protecting the sensitive electronic components behind it. A unique feature of CDNBS08-SRDA3.3-4 is that it is able to detect and dissipate high-amplitude transients while simultaneously limiting the voltage across the protected device. This device has an ultra-low capacitance, allowing for a higher, more reliable surge current capability. CDNBS08-SRDA3.3-4 also has a low operating voltage, which ensures a lower reverse leakage current, which makes it more suitable for sensitive electronic devices. The low operating voltage also prevents any damage to the internal components that could result in a malfunction.Another unique feature of this type of diode is its aluminum nitride substrate material, which reduces the series inductance, allowing the diode to switch faster than most other diodes. This ability makes CDNBS08-SRDA3.3-4 suitable for high-speed applications such as data processing systems. ConclusionCDNBS08-SRDA3.3-4 is a type of TVS - diode that offers superior protection for sensitive electronic components. It is characterized by its high surge current capability, small size, low operating voltage, low capacitance and negligible reverse leakage current. With its fast switching capability, it is suitable for a wide range of applications, such as protection for telecommunication towers, HVDC power control equipment, computer servers and other equipment.

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