Newest Circuit Protection

.hide-partial { max-height: none; } .show-more { display: none; }

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Circuit Protection

List Images

Applied Filters:

Manufacturer = Littelfuse Return to the Products tab to modify your current filters.

Littelfuse NSM20 Surface-Mount Metal Oxide Varistors (MOV)

10-08-2026

- Offer ultra-high surge-current handling (40 surges at 8kV/4kA) to absorb excess energy.

Littelfuse AK8-FB Axial Leaded TVS Diodes

10-05-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Littelfuse LTKAK1.5-L TVS Diode

10-05-2026

- Offers a clamping voltage lower than alternative technologies such as MOVs and GDTs.

Littelfuse AK6-FB Axial Leaded TVS Diodes

10-05-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Littelfuse SP4315-01WTG TVS Diode Array

10-01-2026

- Ultra-low capacitance, bidirectional design, and protects electronic equipment from destructive ESD.

Littelfuse AK10-FB Axial Leaded TVS Diodes

09-10-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Littelfuse AK3-FB Axial Leaded TVS Diodes

09-10-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Littelfuse AK3-A Axial Leaded TVS Diodes

09-10-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Littelfuse TP7.0SMD-XC Automotive TVS Diode

09-10-2026

- Protects sensitive electronic equipment from voltage transients induced by lightning.

Littelfuse AK1-A Axial Leaded TVS Diodes

09-10-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Littelfuse TVS SPA Diode Arrays

06-26-2026

- TVS diode arrays for ESD, EFT, and surge protection across data and power interfaces.

Littelfuse SB4000 Industrial Shock Block

05-26-2026

- Available in single-phase, split-phase, three-phase, and 4-wire systems from 208V to 240V voltage.

Littelfuse AK-FL TVS Diodes

05-04-2026

- Axial leaded, FlatSuppressX™ flat and low clamping bi-directional TVS diodes.

Littelfuse TP5.0SMD-FL FlatSuppressX™ TVS Diodes

05-04-2026

- 5000W peak pulse power capability using a 10/1000µs waveform and 6.5W power dissipation.

Littelfuse TP1KSMB-FL FlatSuppressX™ TVS Diodes

05-04-2026

- Designed specifically to protect sensitive electronic equipment from voltage transients.

Littelfuse SJx08x High-Temperature SCRs

04-24-2026

- Voltage of up to 800V, surge current capability of up to 100A, & a temperature rating of +150°C.

Littelfuse QVx35xHx High-Temperature Alternistor TRIACs

04-24-2026

- Offers a 35A rated current and is available in TO-220AB, TO-220 isolated, and TO-263 packages.

Littelfuse Automotive High Temperature SMDs

04-02-2026

- Meet applicable automotive industry standards and are AEC-Q200-qualified.

Littelfuse NANO2® 708 High Current SMD Fuses

03-30-2026

- Designed for circuits expecting high fault current and have a solder‑less ceramic body construction.

Littelfuse SP1120-01WTG Unidirectional Discrete TVS Diode

03-09-2026

- Proprietary silicon avalanche technology and offers high ESD protection for electronic equipment.

Littelfuse Sx4340L TVS Diode Arrays

03-05-2026

- Offers 0.55pF ultra-low capacitance in a space-saving SOD882 package.

Littelfuse SC3402-02ETG ESD Protection Diode

02-23-2026

- Ultra-low capacitance ESD protection diode designed to safeguard high-speed data interfaces.

Littelfuse CMA160E1600HF Single Thyristor

02-06-2026

- High‑performance 160A, 1600V device featuring a planar passivated chip structure in PLUS247 package.

Littelfuse SM15KPA-HRA & SM30KPA-HRA High Reliability Diodes

01-13-2026

- Protects I/O interfaces, VCC bus, and other circuits in avionics, aviation, and eVTOL applications.

Littelfuse SP432x-01WTG TVS Diodes

01-08-2026

- Provide ultra-low capacitance, bidirectional, and a high level of protection.

Viewing: 1 - 25 of 114

Filter By:

Littelfuse NSM20 Surface-Mount Metal Oxide Varistors (MOV)

10-08-2026

- Offer ultra-high surge-current handling (40 surges at 8kV/4kA) to absorb excess energy.

Bourns BTN08G SMD NTC Thermistors for Thermal Sensing

10-07-2026

- Offers high mounting reliability and a relatively high power rating of 240mW.

Littelfuse AK8-FB Axial Leaded TVS Diodes

10-05-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Littelfuse LTKAK1.5-L TVS Diode

10-05-2026

- Offers a clamping voltage lower than alternative technologies such as MOVs and GDTs.

Littelfuse AK6-FB Axial Leaded TVS Diodes

10-05-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Schneider Electric SDSA Type 1 Surge Protective Devices

10-01-2026

- Provides surge suppression on 120VAC and 120VAC/240VAC systems.

Sensata RP Thermal Protectors

10-01-2026

- UL, CSA, and NEC-compliant for recessed lighting applications.

Littelfuse SP4315-01WTG TVS Diode Array

10-01-2026

- Ultra-low capacitance, bidirectional design, and protects electronic equipment from destructive ESD.

IXYS IXBOD2 Breakover Diode Modules

09-22-2026

- Provides fast and reliable overvoltage protection in demanding power electronics applications.

Abracon AMCV-SS1206 & AMCV-SS1210 Varistors

09-17-2026

- High-speed multi-layer chip varistors in 1206 and 1210 packages.

STMicroelectronics TVS221SC-1T2 Unidirectional Single Line TVS

09-15-2026

- Designed to protect the power line or other low-speed I/O against ESD and small surge transients.

onsemi ESDM1021 ESD Protection Diode

09-14-2026

- Compact 2V bidirectional ESD diode for GPIO and low-voltage power-line protection.

Littelfuse AK3-FB Axial Leaded TVS Diodes

09-10-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Littelfuse AK3-A Axial Leaded TVS Diodes

09-10-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Littelfuse AK10-FB Axial Leaded TVS Diodes

09-10-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Littelfuse TP7.0SMD-XC Automotive TVS Diode

09-10-2026

- Protects sensitive electronic equipment from voltage transients induced by lightning.

Littelfuse AK1-A Axial Leaded TVS Diodes

09-10-2026

- Designed to meet the severe surge-test environment for both AC and DC line-protection applications.

Amphenol Type A266T NTC Thermistor

09-08-2026

- Stainless steel-housed chip thermistor designed for accurate and reliable temperature measurement.

Panduit ES2P Intelligent Power Distribution Units (iPDUs)

09-01-2026

- Cost-effective intelligence, gigabit connectivity, built-in security, and simplified maintenance.

Bourns BTN06G SMD NTC Thermistors for Thermal Sense

09-01-2026

- 0603-size, chip-type SMD NTC thermistors designed for thermal sensing applications.

Bourns MOV-KC Metal Oxide Varistors

09-01-2026

- Radial-leaded metal oxide varistors for protecting electronic circuits from overvoltage transients.

IXYS SK002xSx Sensitive SCRs

08-27-2026

- Sensitive SCRs with microprocessor drive support and high noise immunity.

Schurter High-Voltage Fuse Portfolio

08-21-2026

- Features scalable protection for automotive, energy, and industrial DC systems.

Phoenix Contact ELR DC Circuit Breaker

08-17-2026

- Designed for protecting, monitoring, and switching high DC loads in industrial DC power systems

Diotec Semiconductor ESD9BL24P-AQ ESD Protection Diode

08-17-2026

- Features a low junction capacitance and low leakage current in a miniature case outline.

Viewing: 1 - 25 of 507

Types of Circuit Protection

Applied Filters:

Filter By:

Customer Service Office

Company

Resources

Support