QSBT40-7 Circuit Protection

TVS (transient voltage suppression) diodes are integral part of the circuit design. They provide essential protection to modern electronic devices, many of which generate and use high-voltage power while taking advantage of high performance, high-density circuit construction. The QSBT40-7 is a unidirectional TVS diode, and its architecture and function can be examined to understand its application fields and working principle.The QSBT40-7 is an anode-cathode diode with a pair of cathode pins that connect to the board along with an anode pin which is not connected. An ESD protection line is connected between the cathode and the pin. The QSBT40-7 can provide up to 400W peak pulse power dissipation when triggered, making it suitable for applications that require protection on up to 24V supply voltages.The TVS diode has a common structure of two silicon diodes in series, connected on a single lead (anode). It works on the principle of switchable avalanche breakdown when exposed to high voltage, diverting the excess current away from the circuit and protecting it from damage. When the voltage reaches a certain level, the diode quickly turns to a fully conducting state, creating a shunt between the anode and cathode, allowing current to pass through and diverting the voltage away from the circuit.The QSBT40-7 is designed to protect circuits from damage caused by electrostatic discharge (ESD) and similar electrical transients. It is suitable for use in applications that must meet the USB 2.0/3.0- compliant surge protection requirements. This protects downstream systems and devices from voltage peaks and other surges. The features of the QSBT40-7 make it an ideal choice for applications where high speed data transfers are required, such as in computers, USB connections, and other digital devices. Its high peak pulse power dissipation limits the power dissipation during fast switching times and ensures safe operation.The QSBT40-7 is an efficient and robust solution for TVS protection, meeting the requirements of a wide range of applications and maintaining a high level of reliability. Its combination of reliability and performance make it suitable for device designs that require a high level of protection at a low cost.The QSBT40-7 is a reliable and efficient solution for protecting a wide range of electronic circuits, protecting them from voltage peaks and other electrical transients. Its features make it suitable for applications that require a high level of protection at an economical cost, such as USB connections, computers, and other digital devices.

QSBT40-7	Diodes Incor...	0.0 $	1000	TVS DIODE 30V SOT363
QSBT40-7-F	Diodes Incor...	--	1000	TVS DIODE 30V SOT363
QSBT-0060-PR1	Broadcom Lim...	0.0 $	1000	POWER AMP MULTI-MODE SMD