TVS Diodes

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	Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Bidirectional Channels	Voltage - Reverse Standoff (Typ)	Voltage - Breakdown (Min)	Voltage - Clamping (Max) @ Ipp	Current - Peak Pulse (10/1000µs)	Power - Peak Pulse	Power Line Protection	Applications	Capacitance @ Frequency	Operating Temperature	Mounting Type	Package / Case	Supplier Device Package
	SM15T39CA TVS DIODE 33.3VWM 69.7VC SMC STMicroelectronics	3,044 In Stock	1 : £1.21000 Cut Tape (CT) 2,500 : £0.32637 Tape & Reel (TR)	SM15T, TRANSIL™	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Zener	1	33.3V	37.1V	69.7V	143A (8/20µs)	1500W (1.5kW)	No	General Purpose	-	-55°C ~ 150°C (TJ)	Surface Mount	DO-214AB, SMC	SMC
	1.5SMC39CA TVS DIODE 33.3VWM 53.9V DO214AB Bourns Inc.	12,508 In Stock	1 : £0.74000 Cut Tape (CT) 3,000 : £0.18114 Tape & Reel (TR)	-	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Zener	1	33.3V	37.1V	53.9V	28.2A	1500W (1.5kW)	No	General Purpose	-	-55°C ~ 150°C (TJ)	Surface Mount	DO-214AB, SMC	DO-214AB (SMC)

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A TVS diode (transient voltage suppressor) is a semiconductor protection diode designed to clamp damaging voltage spikes before they reach sensitive electronics. Under normal operation, the device remains in a non-conductive state up to its reverse standoff voltage (VRWM). When a transient event such as an ESD event, inductive load switching surge, or lightning-induced overvoltage exceeds the breakdown voltage (VBR), the TVS diode rapidly enters conduction and limits the voltage to a defined clamping voltage. This extremely fast response, typically faster than traditional Zener diodes, varistors, or thyristors, makes TVS devices ideal for protecting MOSFETs, ICs, rectifiers, and signal lines from electrostatic discharge and surge current events. Available in unidirectional and bidirectional versions, TVS diodes are commonly used across power rails, in parallel with signal lines, or at circuit interfaces exposed to external connections.