Comprehensive range of Circuit Protection from the world’s leading manufacturers.
Circuit Protection
Showing all 18 results
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Gas Discharge Tubes - GDT
Bourns 2026-09-C2LF
The Trigard 2026 series 3-pole Gas Discharge Tube offers stable breakdown throughout life.
- 8mm diameter, 11mm length
- Balanced TRIGARD®
- UL recognized
- Custom configurations available
- High surge current rating
- Test methods per ITU-T K.12, IEEE C62.31 and IEC 61643-311 GDT standards
SKU: W002330 -
TVS - Transient Voltage Suppressors
Bourns CDSOT23-SM712
The CDSOT23-SM712 is a surface mount TVS Diode, provides ESD, EFT and surge protection for data ports meeting IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT) and IEC 61000-4-5 (surge) requirements.
- 30kV Maximum ESD Protection
- Surge Protection
SKU: W000312 -
TVS - Transient Voltage Suppressors
Bourns SMAJ45CA
The SMAJ series surface-mount Transient Voltage Suppression Diode designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. It is ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits. It is used for surface mounted applications in order to optimize board space.
- 400W Peak pulse power capability at 10×1000μs waveform
- Glass passivated junction
- Low inductance
- Excellent clamping capability
- 0.01% Repetition rate (duty cycle)
- <1ps from 0V to V(BR) Minimum fast response time
- Available in unidirectional and bidirectional
- ESD protection of data lines in accordance with IEC 61000-4-2 (IEC801-2)
- EFT protection of data lines in accordance with IEC 61000-4-4 (IEC801-4)
- -65 to 150°C Operating temperature range
SKU: W000309 -
TVS - Transient Voltage Suppressors
Bourns SMCJ33A
The SMCJ series surface-mount Transient Voltage Suppression Diode designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. It is ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits. It is used for surface mounted applications in order to optimize board space.
- 1500W Peak pulse power capability at 10/1000μs waveform
- Built-in strain relief
- Glass passivated junction
- Low inductance
- Excellent clamping capability
- 0.05% Repetition rate (duty cycle)
- <1ps from 0V to V(BR) Minimum fast response time
- <1μA above 10V Current IR
- Available in unidirectional and bidirectional
- ESD protection of data lines in accordance with IEC 61000-4-2 (IEC801-2)
- EFT protection of data lines in accordance with IEC 61000-4-4 (IEC801-4)
- -65 to 150°C Operating temperature range
SKU: W006428 -
TVS - Transient Voltage Suppressors
Littelfuse 1.5KE91A
The 1.5KE Series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
- 1500W peak pulse capability at 10/1000μs waveform, repetition rate (duty cycles):0.01%
- Glass passivated chip junction in DO-201 Package
- Fast response time: typically less than 1.0ps from 0 Volts to BV min
- Excellent clamping capability
- Typical failure mode is short from over-specified voltage or current
- Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c
- IEC-61000-4-2 ESD 30kV(Air), 30kV (Contact)
- ESD protection of data lines in accordance with IEC 61000-4-2
- EFT protection of data lines in accordance with IEC 61000-4-4
- Low incremental surge resistance
- Typical IR less than 1μA when VBR min>12V
- High temperature to reflow soldering guaranteed: 260°C/40sec / 0.375”,(9.5mm) lead length, 5 lbs., (2.3kg) tension
- VBR @ TJ = [email protected]°C x (1+αT x (TJ – 25)) (αT:Temperature Coefficient, typical value is 0.1%)
- Plastic package is flammability rated V-0 per Underwriters Laboratories
- Matte tin lead–free plated
- Halogen free and RoHS compliant
SKU: W016488 -
TVS - Transient Voltage Suppressors
Littelfuse 5KP36A
The TRANSZORB 5KP series Transient Voltage Suppressor Diode offers 5000W peak pulse power capability with a 10/1000μs waveform, 0.01% repetitive rate (duty cycle). It is used in sensitive electronics protection against voltage transients induced by inductive load switching and lighting on ICs, MOSFET and signal lines of sensor units.
- P600 glass passivated chip junction
- Available in unidirectional polarity
- Excellent clamping capability
- Very fast response time
- Low incremental surge resistance
- -55 to 175°C Operating junction temperature range
SKU: W003534 -
TVS - Transient Voltage Suppressors
Littelfuse P6KE6.8A
The P6KE6.8A is an axial leaded unidirectional Transient Voltage Suppressor (TVS) Diode with lead-free matte tin-plated terminal and a molded plastic body. The P6KE series TVS is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. The TVS device is ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits used in telecom.
- Glass passivated chip junction
- Excellent clamping capability
- Low incremental surge resistance
- Typical failure mode is short from over-specified voltage or current
- Halogen-free
- 10mA Test current
- 1000µA at 5.80V Maximum reverse leakage current
SKU: W000091 -
TVS - Transient Voltage Suppressors
Littelfuse SMCJ28CA
The SMCJ28CA from Littelfuse is a SMCJ series 1500W, surface mount bidirectional transient voltage suppression diode in DO-214AB package. It features excellent clamping capability, low incremental surge resistance, low profile package, moulded plastic body over glass passivated junction, built-in strain relief and fast response time of typically less than 1.0ps from 0Vs to BV minimum. The peak pulse power dissipation (PPPM) is 1500W at TA=25°C, 10/1000μs waveform, 0.01% repetition rate (duty cycle) and power dissipation is 6.5W on infinite heat sink at TL=50°C. This SMCJ series transient voltage suppression diode is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. It is ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits.
- Reverse stand off voltage (VR) of 28V and maximum reverse leakage (IR) of 1µA at VR
- Breakdown voltage (VBR) of 31.1V minimum, 34.4V maximum at 1mA test current (IT)
- Maximum clamping voltage (VC) of 45.4V at IPP and maximum peak pulse current (IPP) of 33.1A
- Typical failure mode is short from over specified voltage or current
- UL E230531 approved, plastic package is flammability rated V-0 per UL standard
- IEC-61000-4-2 ESD 30KV (air), 30KV (contact) protection
- Suitable for surface mounted applications to optimize board space
- Operating temperature range from -65°C to 150°C and 260°C/40sec high temperature to reflow soldering
- ESD protection of data lines with IEC 61000-4-2 and EFT protection with IEC 61000-4-4 standard
SKU: W013989 -
TVS - Transient Voltage Suppressors
Littelfuse SMCJ33CA
The SMCJ series surface-mount Transient Voltage Suppression Diode designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events. It is ideal for the protection of I/O interfaces, VCC bus and other vulnerable circuits. It is used for surface mounted applications in order to optimize board space.
- 1500W Peak pulse power capability at 10/1000μs waveform
- Built-in strain relief
- Glass passivated junction
- Low inductance
- Excellent clamping capability
- 0.05% Repetition rate (duty cycle)
- <1ps from 0V to V(BR) Minimum fast response time
- <1μA above 10V Current IR
- Available in unidirectional and bidirectional
- ESD protection of data lines in accordance with IEC 61000-4-2 (IEC801-2)
- EFT protection of data lines in accordance with IEC 61000-4-4 (IEC801-4)
- -65 to 150°C Operating temperature range
SKU: W001685 -
TVS - Transient Voltage Suppressors
Littelfuse V271HA40
HA Series transient surge suppressors are industrial high energy Metal-Oxide Varistors (MOVs). They are designed to provide secondary surge protection in the outdoor and service entrance environment (distribution panels) of buildings, and also in industrial applications for motor controls and power supplies used in the oil-drilling, mining, and transportation fields. The design of the HA Series of MOVs provide rigid terminals for screw mounting. Also available in a clipped lead version for through hole board placement or to accommodate soldered leads designation "HC."
- Lead–free, Halogen-Free and RoHS compliant.
- Wide operating voltage range VM(AC)RMS 110V to 750V
- Two disc sizes available 32mm and 40mm
- High energy absorption capability WTM = 170J to 1050J
- High peak pulse current capability, ITM = 25,000A to 40,000A
- Rigid terminals for secure mounting
- Available in trimmed version for through hole board mounting
- No derating up to 85ºC ambient
SKU: W006951 -
ESD Protection Devices
Nexperia PESD1CAN
The PESD1CAN,215 is an ESD Protection Diode designed to protect two automotive Controller Area Network (CAN) bus lines from the damage caused by Electrostatic Discharge (ESD) and other transients. The device can be used for both, high-speed CAN bus and fault-tolerant CAN bus protection. The PESD1CAN provides a surge capability of up to 200W per line for an 8/20μs waveform.
- <1nA Ultra low leakage current
- ESD protection up to 23kV
- 24V Maximum reverse standoff voltage
SKU: W000480 -
TVS - Transient Voltage Suppressors
ON Semiconductor P6SMB39AT3G
The P6SMB series unidirectional Zener Transient Voltage Suppressor Diode designed to protect voltage sensitive components from high voltage and high energy transients. It has excellent clamping capability, high surge capability, low Zener impedance and fast response time.
- 5.8 to 171V Working peak reverse voltage range
- 600W @ 1ms Peak power
- ESD rating of Class 3 (>16kV) per human body model
- Maximum clamp voltage @ peak pulse current
- <5μA above 10V Low leakage current
- 6.8 to 200V Standard Zener breakdown voltage range
- <1ns Response time
- -65 to 150°C Operating temperature range
SKU: W000347 -
ESD Protection Devices
Semtech RCLAMP0504M.TBT
The RCLAMP0504M.TBT is a RailClamp® low capacitance TVS Diode Array designed to protect high speed data interfaces. The device has been specifically designed to protect sensitive components which are connected to data and transmission lines from overvoltage caused by ESD (electrostatic discharge), EFT (electrical fast transients) and lightning. The unique design of the device incorporates four surge rated, low capacitance steering diodes and a TVS diode. During transient conditions, the steering diodes direct the transient to either the positive side of the power supply line or to ground. The internal TVS diode prevents over-voltage on the power line, protecting any downstream components. It has a low typical capacitance of 3pF and operates with virtually no insertion loss to 1GHz. This makes the device ideal for protection of high-speed data lines such as USB 2.0, FireWire and DVI interfaces.
- ESD protection for high-speed data lines to IEC 61000-4-2 (ESD) 15kV (air), 8kV (contact)
- IEC 61000-4-5 (Lightning) 12A (8/20µs)
- IEC 61000-4-4 (EFT) 40A (5/50ns)
- Array of surge rated diodes with internal TVS diode
- Protects four I/O lines and one Vcc line
- 3pF Capacitance
- Solid-state silicon-avalanche technology
- -55 to 125°C Operating temperature range
SKU: W004308 -
ESD Protection Devices
Semtech SRV05-4.TCT
The SRV05-4.TCT is a surge-rated transient Voltage Suppressor (TVS) Diode Array, designed to protect high speed data interfaces. The SR series has been specifically designed to protect sensitive components which are connected to data and transmission lines from overvoltage caused by electrostatic discharge (ESD), electrical fast transients (EFT) and lightning. During transient conditions, the steering diodes direct the transient to either the positive side of the power supply line or to ground. The internal TVS diode prevents overvoltage on the power line, protecting any down-stream components.
- ESD Protection for High-speed Data Lines to IEC 61000-4-2 (ESD) ± 15kV (Air)
- Array of Surge Rated Diodes with Internal TVS Diode
- Small Package Saves Board Space
- Protects Four I/O Lines
- 3pF Typical Low Capacitance
- Low Clamping Voltage
- Solid-state Silicon-avalanche Technology
SKU: W000262 -
TVS - Transient Voltage Suppressors
Solid State Manufacturing 15KP33A
The 1.5KE33A is a single-phase unidirectional Transient Voltage Suppressor (TVS) Diode with an UL94V-0 molded plastic case.
- Glass passivated chip
- Low leakage
- Excellent clamping capability
- Fast response time
- 5A at 28.2V Maximum reverse leakage current
- Multicomp products are rated 4.6 out of 5 stars
- 12 month limited warranty *view Terms & Conditions for details
- 96% of customers would recommend to a friend
SKU: W020888 -
TVS - Transient Voltage Suppressors
STMicroelectronics P6KE33CA
The Transil P6KE series Transient Voltage Surge Suppressor Diode provides high overvoltage protection by clamping action. It has instantaneous response to transient over-voltages makes them particularly suited to protect voltage sensitive devices such as MOS Technology and low voltage supplied IC’s.
- 600W (10/1000µs ) Peak pulse power
- 6.8 to 440V Stand-off voltage range
- Unidirectional and bidirectional types
- Low clamping factor
- Fast response time
SKU: W000092 -
TVS - Transient Voltage Suppressors
Vishay 1.5KE130A
The TRANSZORB 1.5KE series Transient Voltage Suppressor Diode offers 1500W peak pulse power capability with a 10/1000μs waveform, 0.01% repetitive rate (duty cycle). It is used in sensitive electronics protection against voltage transients induced by inductive load switching and lighting on ICs, MOSFET and signal lines of sensor units.
- Glass passivated chip junction
- Available in unidirectional and bidirectional
- Excellent clamping capability
- Very fast response time
- Low incremental surge resistance
- -55 to 175°C Operating junction temperature range
SKU: W004356 -
TVS - Transient Voltage Suppressors
Vishay SMCJ36A-E3/57T
The TRANSZORB SMCJ series surface-mount Transient Voltage Suppressor Diode offers excellent clamping capability. It is available in unidirectional and bidirectional and ideal for automated placement. It is used in sensitive electronics protection against voltage transients induced by inductive load switching and lighting on ICs, MOSFET and signal lines of sensor units.
- Glass passivated chip junction
- Very fast response time
- Low incremental surge resistance
- -55 to 150°C Operating junction temperature range
SKU: W013523
