Newest Circuit Protection

Types of Circuit Protection

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Littelfuse SP1120-01WTG Unidirectional Discrete TVS Diode
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Littelfuse xEV Power Train Solutions
01/07/2025
Wide portfolio of xEV Power Train Solutions that are suitable for automotive environments.
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    Vishay XFD11K XClampR® Transient Voltage Suppressors
    Vishay XFD11K XClampR® Transient Voltage Suppressors
    03/18/2026
    Surface-mount bidirectional devices designed for high-temperature stability and high reliability.
    Vishay T3KN12CA thru T3KN100CA PAR® TVSs
    Vishay T3KN12CA thru T3KN100CA PAR® TVSs
    03/18/2026
    TVSs are bidirectional, 3000W peak-pulse-power devices ideal for automated placement.
    Texas Instruments TVS2210 Flat-Clamp Surge Protection Device
    Texas Instruments TVS2210 Flat-Clamp Surge Protection Device
    03/12/2026
    Designed to robustly shunt up to 25A of fault current to protect from transients or lightning.
    Transtector DC DEFENDER Outdoor Clamshell DC Surge Protectors
    Transtector DC DEFENDER Outdoor Clamshell DC Surge Protectors
    03/09/2026
    Clamshell-style SPDs that protect critical equipment that operates on a 48VDC electrical service.
    Transtector DR DIN-Rail AC Surge Protectors (SPDs)
    Transtector DR DIN-Rail AC Surge Protectors (SPDs)
    03/09/2026
    DIN-rail devices that use SASD technology to protect critical equipment.
    Littelfuse SP1120-01WTG Unidirectional Discrete TVS Diode
    Littelfuse SP1120-01WTG Unidirectional Discrete TVS Diode
    03/09/2026
    Proprietary silicon avalanche technology and offers high ESD protection for electronic equipment.
    Transtector APEX IMAX Panel-Mount AC Surge Protectors (SPDs)
    Transtector APEX IMAX Panel-Mount AC Surge Protectors (SPDs)
    03/09/2026
    Uses MOV or SASD + MOV hybrid technology to protect critical equipment.
    Transtector ALPU Outdoor Gigabit Ethernet Surge Protectors
    Transtector ALPU Outdoor Gigabit Ethernet Surge Protectors
    03/09/2026
    Uses SASD technology to protect critical equipment in Gigabit Ethernet/PoE data networks.
    Transtector ALPU Outdoor GbE PoE++ Data Surge Protectors
    Transtector ALPU Outdoor GbE PoE++ Data Surge Protectors
    03/09/2026
    Uses SASD/GDT technology to protect critical equipment in Gigabit Ethernet/PoE++ data networks
    Transtector CPX DIN-Rail Mounting Kit
    Transtector CPX DIN-Rail Mounting Kit
    03/09/2026
    Mounting kit for the CPX 4-Port Chassis.
    Transtector THUNDERBOLT Outdoor Data Surge Protectors (SPDs)
    Transtector THUNDERBOLT Outdoor Data Surge Protectors (SPDs)
    03/09/2026
    Uses GDT, TBU, or SASD technology to protect equipment in 10/1000 Base-T or Gigabit networks.
    Transtector ACP AC Surge Protectors (SPDs)
    Transtector ACP AC Surge Protectors (SPDs)
    03/09/2026
    Hard-wired or plug-in AC SPDs that use SASD technology to protect critical equipment.
    Transtector ALPU Surge Protector (SPD) Kits & Accessories
    Transtector ALPU Surge Protector (SPD) Kits & Accessories
    03/09/2026
    Mounting kits for ALPU SASD technology SPDs and an ALPU-TSU Replacement PCB Assembly.
    Transtector I2R DIN-Rail AC Surge Protectors (SPDs)
    Transtector I2R DIN-Rail AC Surge Protectors (SPDs)
    03/09/2026
    UL1449 4th Ed. DIN-rail devices providing effective protection against electrical transient surges.
    Transtector CPX Surge Protector 4-Position Chassis
    Transtector CPX Surge Protector 4-Position Chassis
    03/09/2026
    Multi-port chassis for CPX Data Surge Protectors
    Transtector PBM Indoor POTS Data Surge Protectors (SPDs)
    Transtector PBM Indoor POTS Data Surge Protectors (SPDs)
    03/09/2026
    Uses Sidactor technology to protect critical equipment in POTS protocol data networks.
    Transtector I2R Indoor DIN-Rail DC Surge Protectors (SPDs)
    Transtector I2R Indoor DIN-Rail DC Surge Protectors (SPDs)
    03/09/2026
    Protects critical equipment operating on a 48VDC electrical service.
    Transtector ALPU Outdoor 10/100 Base-T Data Surge Protectors
    Transtector ALPU Outdoor 10/100 Base-T Data Surge Protectors
    03/09/2026
    Protects critical equipment in 10/100 Base-T Ethernet/PoE or PoE+ protocol data networks.
    Bourns GDT225HE High Energy Gas Discharge Tube Arrestors
    Bourns GDT225HE High Energy Gas Discharge Tube Arrestors
    03/09/2026
    Offers a 2000VDC breakdown voltage, 100A follow-on current, and 1GΩ minimum insulation resistance. 
    Transtector DPR Indoor Data Surge Protectors (SPDs)
    Transtector DPR Indoor Data Surge Protectors (SPDs)
    03/09/2026
    Uses SASD technology to protect critical equipment while remaining transparent to data throughput.
    Diotec Semiconductor TPSMA6L20A-AQ TVS Diode
    Diotec Semiconductor TPSMA6L20A-AQ TVS Diode
    03/06/2026
    AEC‑Q101 qualified unidirectional diode built in compact SMAF (DO‑221AC) low‑profile package.
    Transtector TSJ Indoor Data Surge Protectors (SPDs)
    Transtector TSJ Indoor Data Surge Protectors (SPDs)
    03/05/2026
    Uses SASD or GDT technology to protect data lines up to 10GbE in critical equipment.
    Vishay PPTC Resettable Fuses
    Vishay PPTC Resettable Fuses
    03/05/2026
    Provides a fast response to overcurrent and low resistance, resulting in minimal voltage drop.
    Transtector CPX Indoor Data Surge Protectors (SPDs)
    Transtector CPX Indoor Data Surge Protectors (SPDs)
    03/05/2026
    TBU/GDT or SASD/MOV/GDT technology to protect critical equipment in T1/E1 or Gigabit networks.
    Transtector TSJ Ground Bar Accessory
    Transtector TSJ Ground Bar Accessory
    03/05/2026
    Designed for use with TSJ Indoor Data Surge Protectors (SPDs).
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