Surge Suppression ICs

Category Introduction

Surge Suppression ICs are designed to keep electrical devices safe from excess voltage and/or current. Components in this family are designed using semiconductor materials. The characteristics are clamping voltage, technology, number of circuits, applications, and mounting type. The technologies are external or internal switch with the number of circuits being 1, 2, 3, or 4. Target applications are automotive, Ethernet, general purpose, portable equipment, SLIC, USB, USB OTG, and others.

Product List

501 Items

Mfr Part #	Quantity Available	UnitPrice	Series	Packaging	Product Status	Voltage - Clamping	Technology	Number of Circuits	Applications	Mounting Type	Package / Case	Supplier Device Package
TCS-DL004-250-WH SUPPRESSOR TCS DUAL 40V 250MA Bourns Inc.	1,064	$0.88		Tape & Reel (TR)	Active	-	Internal Switch	2	General Purpose	Surface Mount	4-VDFN Exposed Pad	6-DFN (4x2.5)
TCPP01-M12 TYPE-C PORT PROTECTION 12QFN STMicroelectronics	446	$1.18		Tape & Reel (TR)	Active	-	Internal Switch	2	USB-C (USB TYPE-C)	Surface Mount	12-VFQFN Exposed Pad	12-QFN (3x3)
P40-G240-WH SURGE SUPP TBU 240MA 40VIMP SMD Bourns Inc.	461	$1.55	TBU®	Tape & Reel (TR)	Active	-	Internal Switch	2	General Purpose	Surface Mount	6-SMD, No Lead	6-DFN (4x4)
TBU-CA065-300-WH SURGE SUPP TBU 300MA 650VIMP SMD Bourns Inc.	412	$1.98	TBU®	Tape & Reel (TR)	Active	650V	Internal Switch	1	General Purpose	Surface Mount	SMD 6.50mm x 4.00mm	SMD
TBU-CA065-200-WH SURGE SUPP TBU 200MA 650VIMP SMD Bourns Inc.	189	$1.98	TBU®	Tape & Reel (TR)	Active	650V	Internal Switch	1	General Purpose	Surface Mount	SMD 6.50mm x 4.00mm	SMD
TBU-CA085-300-WH SURGE SUPP TBU 300MA 850VIMP SMD Bourns Inc.	364	$1.99	TBU®	Tape & Reel (TR)	Active	850V	Internal Switch	1	General Purpose	Surface Mount	SMD 6.50mm x 4.00mm	SMD
TBU-CA065-050-WH SURGE SUPP TBU 50MA 650VIMP SMD Bourns Inc.	267	$1.97	TBU®	Tape & Reel (TR)	Active	650V	Internal Switch	1	General Purpose	Surface Mount	SMD 6.50mm x 4.00mm	SMD
TBU-CA085-200-WH SURGE SUPP TBU 200MA 850VIMP SMD Bourns Inc.	303	$1.98	TBU®	Tape & Reel (TR)	Active	850V	Internal Switch	1	General Purpose	Surface Mount	SMD 6.50mm x 4.00mm	SMD
TBU-CA025-100-WH SURGE SUPP TBU 100MA 250VIMP SMD Bourns Inc.	391	$2.00	TBU®	Tape & Reel (TR)	Active	250V	Internal Switch	1	General Purpose	Surface Mount	SMD 6.50mm x 4.00mm	SMD
TBU-CA050-300-WH SURGE SUPP TBU 300MA 500VIMP SMD Bourns Inc.	249	$2.01	TBU®	Tape & Reel (TR)	Active	500V	Internal Switch	1	General Purpose	Surface Mount	SMD 6.50mm x 4.00mm	SMD
TBU-CA025-050-WH SURGE SUPP TBU 50MA 250VIMP SMD Bourns Inc.	213	$2.01	TBU®	Tape & Reel (TR)	Active	250V	Internal Switch	1	General Purpose	Surface Mount	SMD 6.50mm x 4.00mm	SMD
TBU-CA085-500-WH SURGE SUPP TBU 500MA 850VIMP SMD Bourns Inc.	317	$1.97	TBU®	Tape & Reel (TR)	Active	850V	Internal Switch	1	General Purpose	Surface Mount	SMD 6.50mm x 4.00mm	SMD
TBU-CA040-100-WH SURGE SUPP TBU 100MA 400VIMP SMD Bourns Inc.	155	$2.01	TBU®	Tape & Reel (TR)	Active	400V	Internal Switch	1	General Purpose	Surface Mount	SMD 6.50mm x 4.00mm	SMD
TBU-DT085-200-WH SURGE SUPP TBU DL 200MA 850VIMP Bourns Inc.	74	$2.20	TBU®	Tape & Reel (TR)	Active	850V	Internal Switch	2	Ethernet	Surface Mount	4-VDFN Exposed Pad	4-DFN (5x5)
TBU-DT065-200-WH SURGE SUPP TBU DL 200MA 650VIMP Bourns Inc.	142	$2.24	TBU®	Tape & Reel (TR)	Active	650V	Internal Switch	2	Ethernet	Surface Mount	4-VDFN Exposed Pad	4-DFN (5x5)
P850-G120-WH SURGE SUPP TBU 100MA 850VIMP SMD Bourns Inc.	245	$2.28	TBU®	Tape & Reel (TR)	Active	-	Internal Switch	2	SLIC	Surface Mount	6-SMD, No Lead	10-DFN (4x8.25)
MAX14588ETE+T IC ADJ OV/OC PROTECTOR 16TQFN Analog Devices Inc./Maxim Integrated	146	$5.89		Tape & Reel (TR)	Active	-	Internal Switch	1	General Purpose	Surface Mount	16-WFQFN Exposed Pad	16-TQFN (3x3)
MAX14573EUD+T IC OVP/OCP ADJ PROTECT 14TSSOP Analog Devices Inc./Maxim Integrated	43	$6.55		Tape & Reel (TR)	Active	-	Internal Switch	1	General Purpose	Surface Mount	14-TSSOP (0.173", 4.40mm Width) Exposed Pad	14-TSSOP-EP
MAX30034CUA+T IC SURGE SUPPRESSION 10.3V 8UMAX Analog Devices Inc./Maxim Integrated	56	$8.50		Tape & Reel (TR)	Active	10.3V	Internal Switch	4	General Purpose	Surface Mount	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)	8-uMAX/uSOP
LT4363CDE-2#PBF IC SURGE STOPPER HV 12-DFN Analog Devices Inc.	66	$6.58		Tube	Active	27V Adj	External Switch	1	Automotive	Surface Mount	12-WFDFN Exposed Pad	12-DFN (4x3)

About Surge Suppression ICs

What are Surge Suppression ICs?

Surge Suppression ICs

Surge Suppression Integrated Circuits (ICs) are specialized semiconductor devices designed to protect electronic circuits from voltage spikes and transients. These spikes can occur due to various reasons, such as lightning strikes, power outages, or switching operations in electrical systems. Surge Suppression ICs work by clamping or diverting excess voltage away from sensitive components, ensuring that the voltage level remains within a safe range. They achieve this through mechanisms like transient voltage suppression (TVS) diodes, metal-oxide varistors (MOVs), or other advanced semiconductor technologies. By providing a rapid response to voltage surges, these ICs help in maintaining the integrity and longevity of electronic systems.

Types of Surge Suppression ICs

Transient Voltage Suppression (TVS) Diodes

TVS diodes are designed to protect sensitive electronics from voltage spikes by clamping the voltage to a safe level. They are characterized by their fast response time and low clamping voltage, making them ideal for protecting high-speed data lines and communication interfaces.

Metal-Oxide Varistors (MOVs)

MOVs are voltage-dependent resistors that provide surge protection by changing their resistance with the applied voltage. They are commonly used in AC power applications due to their ability to handle high-energy transients and their cost-effectiveness.

Gas Discharge Tubes (GDTs)

GDTs are used for high-energy surge protection and are often employed in telecommunications and power distribution systems. They work by ionizing gas within a sealed tube to create a conductive path that diverts the surge current away from protected components.

Polymeric Positive Temperature Coefficient (PPTC) Devices

PPTC devices are resettable fuses that protect against overcurrent conditions. They are useful in applications where repeated exposure to surges is expected, as they can reset themselves after the fault condition is removed.

How to choose Surge Suppression ICs?

When selecting Surge Suppression ICs, several key parameters must be considered:

Clamping Voltage: Choose an IC with a clamping voltage that is lower than the maximum voltage rating of the protected components.
Peak Pulse Current: Ensure the IC can handle the maximum expected surge current without failure.
Response Time: Opt for devices with fast response times to ensure quick protection against transients.
Energy Absorption: Consider the energy absorption capacity to ensure the device can handle the energy of the surge.
Package Type: Select a package that fits the physical and thermal constraints of the application.

To evaluate product quality and reliability, review supplier datasheets, customer reviews, and third-party certifications. Consider environmental factors such as temperature range and humidity, and ensure the ICs are installed according to manufacturer guidelines to maximize their effectiveness.

Applications of Surge Suppression ICs

Consumer Electronics

In consumer electronics, Surge Suppression ICs protect devices like smartphones, tablets, and laptops from voltage spikes that can damage internal circuits. They ensure the longevity and reliability of these devices, especially during power fluctuations.

Telecommunications

Telecommunications infrastructure relies on Surge Suppression ICs to safeguard sensitive communication equipment from lightning-induced surges and other transient events. This protection is crucial for maintaining uninterrupted service and data integrity.

Industrial Automation

In industrial settings, Surge Suppression ICs are used to protect control systems, sensors, and actuators from electrical surges. This protection is vital for preventing downtime and ensuring the safety and efficiency of automated processes.

Automotive Electronics

Modern vehicles are equipped with numerous electronic systems that require protection from voltage transients. Surge Suppression ICs help in safeguarding these systems, including infotainment, navigation, and engine control units, from electrical disturbances.

Renewable Energy Systems

In renewable energy applications, such as solar and wind power systems, Surge Suppression ICs protect inverters, converters, and other critical components from voltage spikes caused by environmental factors or grid fluctuations.