SDP0080Q38CB

Series:	SIDACtor®
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Voltage - Clamping:	6V
Technology:	Mixed Technology
Number of Circuits:	2
Applications:	Ethernet
Mounting Type:	Surface Mount
Package / Case:	8-LDFN
Supplier Device Package:	8-QFN (5x6)

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IntroductionThe SDP0080Q38CB is an integrated circuit (IC) type of Transient Voltage Suppressor (TVS) produced by ON Semiconductor, belonging to its Mixed Technology product line. This specialized TVS uses both silicon avalanche and other technologies to help protect and safeguard electronic systems in various areas such as industrial, consumer electronics and automotive.Application FieldThe SDP0080Q38CB is designed as a single-line protection component, meaning it’s primarily used for protecting a single signal line from transient over-voltage such as Transient Over-Voltage Stress (TOVS). Its protection categories are machine tools, solid state relays, input filter and protection, light dimmers, load switches and power supply input/output protection. The SDP0080Q38CB is able to protect a single signal from transient over-voltage up to 88V, a much higher value than most other TVSs.Working PrincipleTVSs like SDP0080Q38CB use both silicon and other technologies to help not only protect the device being protected but also to help make it as efficient as possible. Its working principle is based on the transitory current discharged from the output of the component when there is an over-voltage. This current goes through the silicon avalanche, which helps to dampen it and prevent over-voltage damaging the component. In addition, this silicon avalanche also helps to prevent over-charging in the system as it prevents too much current from entering the system by discharging a certain amount of current that is determined by the TVS’s specifications. The SDP0080Q38CB is also equipped with a metal-oxide varistor (MOV) along with the silicon avalanche to provide a higher level of reliability. The MOV helps to further absorb current, making it more efficient. The MOV also helps to provide further protection in cases where the voltage rises above its maximum rating of 88V.ConclusionSDP0080Q38CB has a very wide-ranging application field including consumer electronics, industrial equipment, load switches and automotive industry. Its unique design with both silicon avalanche and MOV gives it the capability to protect a single signal line from transient over-voltages and to prevent over-charging in the system. With its high maximum voltage rating of 88V and its wide range of application, SDP0080Q38CB is sure to be a critical component in various areas.

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