SP3031-01ETG

Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	5V (Max)
Voltage - Breakdown (Min):	6V
Voltage - Clamping (Max) @ Ipp:	7.5V (Typ)
Current - Peak Pulse (10/1000µs):	5A (8/20µs)
Power - Peak Pulse:	--
Power Line Protection:	No
Applications:	Ethernet, HDMI
Capacitance @ Frequency:	--
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SOD-882
Supplier Device Package:	SOD-882
Series:	SP3031, SPA®
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--

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TVS - Diodes

The SP3031-01ETG is a unidirectional Transient Voltage Suppressor (TVS) diode. It is used to protect applications from overvoltage transients like Electrostatic Discharge (ESD) and electrical overstress (EOS). It is a bidirectional TVS diode which works to suppress high voltages in both polarities.

Application field

The SP3031-01ETG is designed for applications such as mobile phones, tablets, computers, and IT systems. It features robust electrostatic discharge (ESD) and surge protection for a variety of applications. The diode is used in applications that require robust protection from elevated voltages, such as data lines, serial ports, USB interfaces, digital optical interfaces, and other signal lines.

Working principle

The working principle of the SP3031-01ETG is based on the principle of PN-junction diode. During steady state operation, the diode behaves like a normal PN-junction diode with reverse-biased voltage applied across its junction. However, when an overvoltage transient event occurs, the diode is highly conductive, allowing electrical current to flow in either direction. This allows for the dissipation of the excess current, as well as the dropping of the voltage across the diode, thus protecting it. The diode\'s electrical characteristics are specified so that the onset of breakdown is at a voltage which does not cause any damage or malfunctions to the protected equipment. As the overvoltage transient event continues to increase, the SP3031-01ETG reaches an avalanche region, and the current should be limited to the qualification specification. The transistor like behaviour of the SP3031-01ETG is controlled by the amount and level of doping used in its design. The junction is heavily doped in order to achieve low voltage breakdown; the higher doping levels also provide low leakage current.

Performance

The SP3031-01ETG is characterized by its superior performance. It is capable of providing excellent ESD protection with a single device. It has high surge capability and a high peak working voltage of 30V. The diode is RoHS compliant and exhibits low leakage current, making it suitable for applications that require a high degree of accuracy. It is capable of protecting against a wide range of transient voltages, including those caused by ESD, EFT, and electrical overstress (EOS).The SP3031-01ETG provides an impressive insertion loss, with 0.5dB insertion loss (@50pF at 100MHz). It is a low capacitance device, with a capacitance of 8pF at 1.5V. It is also capable of providing a low-level noise suppression of 1.3dB (at 100MHz, 50pF) and a high-level noise suppression of 35.1dB (at 100MHz, 50pF).The SP3031-01ETG is available in package sizes of 2.0mm x 1.3mm and 2.0mm x 2.0mm, making it suitable for a wide range of applications. The diode is RoHS compliant and has a ESD rating of 25kV for both Human Body Model (HBM) and Charged Device Model (CDM).

Conclusion

The SP3031-01ETG is an advanced unidirectional Transient Voltage Suppressor (TVS) diode which is designed to protect applications from overvoltage transients like Electrostatic Discharge (ESD) and electrical overstress (EOS). It is designed to withstand voltage transients of up to 30V, and is capable of providing an excellent insertion loss of 0.5dB (@50pF at 100MHz). It is a low capacitance device, with a capacitance of 8pF at 1.5V, and a low-level noise suppression of 1.3dB (at 100MHz, 50pF). The diode is capable of providing a high degree of accuracy, as well as a high-level noise suppression of 35.1dB (at 100MHz, 50pF). It is available in package sizes of 2.0mm x 1.3mm and 2.0mm x 2.0mm and is RoHS compliant.

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