Newest Circuit Protection

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Types of Circuit Protection

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

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.

Littelfuse AQ3118-02JTG Low-Capacitance TVS Diode Array

11-12-2025

- 2-ch protection against ESD and surges, 0.3pF I/O-to-I/O capacitance and 50nA leakage current @ 18V.

Littelfuse MXM MEGA® MIDI® Fuse Holders

10-23-2025

- High-current solution rated up to 120V/650A, with sliding tabs and interlocking pins.

Littelfuse AQ4324-01ETG Bidirectional TVS Diode

10-22-2025

- Provides high protection for single-channel electronic equipment susceptible to destructive ESD.

Littelfuse MCASE® 4-Way Fuse Holders

09-16-2025

- Compact, high-performance solutions designed to support up to four MCASE+® slotted cartridge fuses.

Littelfuse SZSMF6L Automotive TVS Diodes

08-29-2025

- Protects I/O interfaces, VCC bus & other vulnerable circuits in auto electronic applications.

Littelfuse 827 Series High Voltage Cartridge Fuses

07-18-2025

- High voltage of 800VDC automotive electronics fuses in through-hole and bolt-down versions.

Littelfuse Connected Drug Delivery Device Ecosystem Solutions

07-11-2025

- Wide portfolio of products that are used to build and enhance drug delivery systems.

Littelfuse DFNAK3 TVS Diodes

06-23-2025

- Offers 3kA surge current and IEC 61000-4-5 compliance in a compact, surface-mount package.

Littelfuse SC1230-01UTG TVS Diode

06-04-2025

- 22V, 60pF, 9A, unidirectional discrete TVS diode that provides general-purpose ESD protection.

Littelfuse SC1122-01ETG TVS Diode

06-04-2025

- 22V, 60pF, 9A, unidirectional discrete TVS diode that provides general-purpose ESD protection.

Littelfuse 5.0SMDJ-FB TVS Diodes

05-21-2025

- Designed specifically to protect sensitive electronic equipment from voltage transient events.

Littelfuse Px0S3H High Surge Current SIDACtor Thyristor

05-02-2025

- Engineered to provide robust overvoltage protection in high-exposure environments.

Littelfuse LX5 0.5A Sensitive-Gate TRIAC

04-25-2025

- A bidirectional solid-state switch series that offers a direct interface to microprocessor drivers.

Littelfuse Sxx30x SCR Thyristors

04-09-2025

- For applications such as solid-state relays, industrial power tools, & high-power motor control.

Littelfuse 415 Series SMT Fuses

02-25-2025

- Offers a compact size of 15mm x 5mm, a 227V rated voltage, and a 1A to 6.3A current range.

Littelfuse SJ Gas Discharge Tubes

02-18-2025

- Features high 3KA to 5KA surge ratings in a miniature package.

Littelfuse Pxx00S3G-A SIDACtor® Protection Thyristors

01-28-2025

- Designed to protect AC power lines located in hostile environments from overvoltage transients.

Littelfuse SMF Ultra Low Voltage TVS Diodes

01-20-2025

- Designed to protect sensitive electronic equipment from voltage transients induced by lightning.

Littelfuse xEV Power Train Solutions

01-07-2025

- Wide portfolio of xEV Power Train Solutions that are suitable for automotive environments.

Littelfuse FHZS200 Sealed ZCASE® Fuse Holder

12-24-2024

- 32VDC 400A bolt-down IP69K fuse holder with a versatile and rugged electrical distribution solution.

Littelfuse TPSMB Asymmetric TVS Diodes

12-06-2024

- Designed to protect sensitive electronic equipment from voltage transients due to lightning.

Littelfuse TPSMB-L Automotive TVS Diodes

12-02-2024

- Feature 600W peak pulse power dissipation capability at 10/1000μs waveform.

Littelfuse 823A Surface Mount Fuses

12-02-2024

- AEC-Q200 qualified high voltage rated fuses with high interrupting ratings.

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PolyPhaser IS-B50 Coaxial RF Surge Protectors

01-22-2026

- Designed to protect against lightning events and are ideal for HF, UHF, and VHF radios.

PolyPhaser IX-2M Lightning Surge Protectors

01-22-2026

- Protect equipment from EMP or power surges caused by lightning and other induced transients.

PolyPhaser TSX HT RF EMP Surge Protectors

01-22-2026

- HEMP tested to protect a wide range of 2.7GHz WiFi® and cellular power configurations.

PolyPhaser 2GHz to 6GHz N-Type Bulkhead RF Surge Protectors

01-22-2026

- Protect equipment from EMP or power surges commonly caused by lightning or electrical disturbances.

PolyPhaser IX Series Data Line Surge Protectors

01-22-2026

- Protects equipment from EMP or surges in power caused by lightning and other induced transients.

PolyPhaser TSX & TUSX Bulkhead Coaxial RF Surge Protectors

01-22-2026

- Manufactured with a coaxial in-line design, offering a wide operating frequency range.

PolyPhaser Surge Protector Accessories

01-22-2026

- Provide the necessary accessories to complete the grounding installation.

PolyPhaser IXG-05 Lightning Surge Protector

01-22-2026

- Protects equipment from EMP or surges in power caused by lightning and other induced transients.

PolyPhaser 125MHz to 1GHz Type-N Coaxial RF Surge Protectors

01-22-2026

- Help protect equipment from EMP, power surges, or other strong electrical disturbances.

PolyPhaser 400MHz to 2.5GHz RF Coaxial Surge Protectors

01-22-2026

- Protect equipment from EMP or power surges caused by lightning or electrical disturbances.

PolyPhaser GX Coaxial RF Surge Protectors

01-22-2026

- Designed for RF coaxial applications requiring DC current on the coaxial line.

PolyPhaser 4MHz to 900MHz & 5MHz to 400MHz Surge Protectors

01-22-2026

- Protect equipment from EMP or power surges caused by lightning or strong electrical disturbances.

PolyPhaser 40MHz to 400MHz Coaxial RF Surge Protectors

01-22-2026

- Protect equipment from EMP or power surges caused by lightning or other strong electrical changes.

PolyPhaser 6GHz to 10GHz Type N F/F RF Surge Protector

01-22-2026

- Patented spiral inductor design that delivers near-instantaneous surge response to lightning surges.

Vishay NTCASCW78A NTC Immersion Temperature Sensor

01-20-2026

- Designed for accurate thermal monitoring in demanding environments.

Bourns SE Breakers (Thermal Cut-Off Devices)

01-19-2026

- TCO devices that control abnormal, excessive current virtually instantaneously up to rated limits.

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.

Eaton 14DE High Breaking Capacity Semiconductor Fuses

01-13-2026

- Features a 20kA high breaking capacity for high-energy applications.

KYOCERA AVX AMTS Motor Transient Suppressor Varistors

01-12-2026

- Offer transient voltage protection and EMI/RFI suppression for electric motor circuits.

Calian TW170 Coaxial GNSS RF Surge Protectors

01-09-2026

- Professional-grade coaxial GNSS full-band surge protectors or lightning arrestors.

Littelfuse SP432x-01WTG TVS Diodes

01-08-2026

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

Schurter APO 1000V Pyro Fuse

01-02-2026

- Safety device engineered for high-voltage DC applications with high reliability and safety.

Bourns GDT25H High Voltage Gas Discharge Tube Arrestors

12-26-2025

- Features a surface-mount design and is built with advanced computer simulation techniques.

PolyPhaser DC to 7GHz RF Coaxial Surge Protectors

12-23-2025

- Protect against EMP, High Altitude Electro-Magnetic Pulse (HEMP), or power surges.

PolyPhaser 100MHz to 512MHz RF Coaxial Surge Protectors

12-23-2025

- Protect against EMP, High Altitude EMP (HEMP), or power surges caused by electrical disturbances.

Viewing: 1 - 25 of 492

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