SOT-143-4 TVS Diodes | Circuit Protection

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Unidirectional 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	Grade	Qualification	Mounting Type	Package / Case	Supplier Device Package
8240136 TVS DIODE 3.3VWM 6VC SOT1434 Würth Elektronik	825 In Stock	1 : $1.86000 Cut Tape (CT) 3,000 : $1.18373 Tape & Reel (TR)	WE-TVS	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Steering (Rail to Rail)	2	3.3V (Max)	4.5V	6V (Typ)	12A (8/20µs)	-	Yes	General Purpose	-	-55°C ~ 125°C (TJ)	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
SP0503BAHTG TVS DIODE 5.5VWM 8.5VC SOT1434 Littelfuse Inc.	56,137 In Stock	1 : $1.99000 Cut Tape (CT) 3,000 : $0.42513 Tape & Reel (TR)	SP05, SPA®	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Zener	3	5.5V (Max)	-	8.5V	-	-	No	General Purpose	-	-40°C ~ 125°C	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
SR70-02CTG TVS DIODE 70VWM 12VC SOT1434 Littelfuse Inc.	5,579 In Stock	1 : $2.21000 Cut Tape (CT) 3,000 : $0.47853 Tape & Reel (TR)	SR70, SPA®	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Steering (Rail to Rail)	2	70V (Max)	-	12V (Typ)	30A (8/20µs)	-	No	Ethernet	2pF @ 1MHz	-40°C ~ 125°C (TJ)	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
8240026 TVS DIODE 5VWM 9VC SOT1434 Würth Elektronik	2,714 In Stock	1 : $1.59000 Cut Tape (CT) 3,000 : $1.00901 Tape & Reel (TR)	WE-TVS	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Steering (Rail to Rail)	2	5V (Max)	6V	9V	6A (8/20µs)	-	Yes	General Purpose	-	-55°C ~ 85°C (TJ)	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
8240116 TVS DIODE 5VWM 9VC SOT1434 Würth Elektronik	4,384 In Stock	1 : $1.86000 Cut Tape (CT) 3,000 : $1.18373 Tape & Reel (TR)	WE-TVS	Tape & Reel (TR) Cut Tape (CT) Digi-Reel®	Active	Steering (Rail to Rail)	2	5V (Max)	6.1V	9V	12A (8/20µs)	-	Yes	General Purpose	-	-55°C ~ 125°C (TJ)	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
CM1215-02SR TVS DIODE 4.8VC SOT1434 onsemi	0 In Stock 3,000 Marketplace	3,000 : $0.37513 Tape & Reel (TR) 1,393 : $0.30800 Bulk	-	Tape & Reel (TR) Bulk	Obsolete	Steering (Rail to Rail)	2	-	-	4.8V (Typ)	1A (8/20µs)	-	No	General Purpose	-	-40°C ~ 125°C (TJ)	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
PACDN043Y4R TVS DIODE 5.5VWM 8VC SOT1434 onsemi	0 In Stock 90,364 Marketplace	3,000 : $0.69102 Tape & Reel (TR) 404 : $1.03599 Bulk	-	Tape & Reel (TR) Bulk	Obsolete	Zener	3	5.5V	6.2V	8V	-	-	No	General Purpose	-	-40°C ~ 85°C (TA)	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
SP0503BAHT TVS DIODE 5.5VWM 8.5VC SOT1434 Littelfuse Inc.	0 In Stock	3,000 : $0.38534 Tape & Reel (TR)	SP050xBA	Tape & Reel (TR)	Obsolete	Zener	3	5.5V (Max)	-	8.5V	-	-	No	General Purpose	-	-40°C ~ 85°C (TA)	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
PACDN004SR TVS DIODE 5.5VWM SOT1434 onsemi	0 In Stock	Obsolete	-	Tape & Reel (TR)	Obsolete	Steering (Rail to Rail)	2	5.5V (Max)	-	-	-	-	No	-	-	-40°C ~ 85°C (TA)	Automotive	AEC-Q101	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
PACDN043-LF TVS DIODE 6.1VWM 8VC SOT1434 onsemi	0 In Stock	Discontinued at DigiKey	-	Bulk	Discontinued at DigiKey	Zener	3	6.1V (Min)	-	8V	-	-	No	USB	30pF @ 1MHz	-40°C ~ 85°C (TA)	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
AOZ8001AJI-05 TVS DIODE 5VWM 16VC SOT1434 Alpha & Omega Semiconductor Inc.	0 In Stock	Obsolete	-	Tape & Reel (TR)	Obsolete	Steering (Rail to Rail)	2	5V	8.5V (Typ)	16V	18A (8/20µs)	-	Yes	Ethernet	1.8pF @ 1MHz	-40°C ~ 125°C (TJ)	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4
AOZ8001AJI-12 TVS DIODE 12VWM 19VC SOT1434 Alpha & Omega Semiconductor Inc.	0 In Stock	Obsolete	-	Tape & Reel (TR)	Obsolete	Steering (Rail to Rail)	2	12V	15V (Typ)	19V	13A (8/20µs)	-	Yes	Ethernet	1.8pF @ 1MHz	-40°C ~ 125°C (TJ)	-	-	Surface Mount	TO-253-4, TO-253AA	SOT-143-4

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TVS Diodes

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.