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Data center power distribution solutions
Littelfuse technologies support the high-performance demands of modern data centers. From UPS and battery energy storage systems to hyperscale and AI data centers, our solutions deliver the protection, control, and reliability needed to handle massive data volumes, AI workloads, and IoT connectivity. Littelfuse helps ensure data centers operate efficiently, securely, and sustainably.
- Existing data centers
- OCP & retrofit
- Hyperscale & AI
- AC-DC with sidecar
Existing enterprise & colocation data centers
400 V AC / 48 V DC architecture used by existing players such as DELL, HPE, etc.
CCMR
Dual-element, time-delay fuses carry the Littelfuse POWR-PRO® advanced technology
606
High-current fuses designed for overcurrent protection in high voltage applications
505
500 VAC / 500 VDC 6 mm x 32 mm (3 AB) ceramic fuse
607
High-current cartridge fuses are specifically designed with a remarkable interrupting rating for compact applications
JLLS
UL Class T Fast-Acting Fuse
871
High-Current SMD Fuse is a small square surface-mount fuse that easily supports the higher current requirements
TLS
Telecommunications fuse
456SD/E
NANO²® fuse is a small sized, surface-mountable high current fuse which provides over-current and excessive surge current protection for applications operating at high current in a limited space
CNN
Stud mounted lift fuse
J-Series
Delivers an up to 20 amp circuit breaker with a 10,000 amp maximum interrupting capacity in a compact size.
N-Series
Up to 30 amp breaker is configurable in one or two poles.
TMOV
Radial leaded MOVs (Metal Oxide Varistors) with an integrated thermally activated element designed to open in the event of overheating due to the abnormal overvoltage, limited current, conditions outlined in UL 1449
Xtreme
Xtreme varistor series is specially designed for applications requiring high surge energy/current absorption and multiple surge pulse withstanding capability
SM10
Surface-mount Metal Oxide Varistor (MOV) with ultra-high surge current handling capability, specifically designed for primary circuit transient voltage surge protection
CG3
Two electrode high voltage (1.0 - 7.5 KV) devices are designed for surge protection and high isolation applications, and for applications for which bias voltages or signal levels of several hundred volts are normally present.
IXSH
3rd Generation SiC MOSFET Technology with –3.5/+15. . .18 V gate drive
IXSA
SiC MOSFET in TO263
IXSG
SiC MOSFET in TOLL
IXSJ
SiC MOSFET in ISO247-4L
DCK
Silicon Schottky diode rectifiers produce very low forward voltage drops while serving as ac switches in power converts and switched-mode power supplies.
DSEI
Pwr Diode Disc-FRED SOT-227B (minibloc)
DSEP
The HiperFRED Low Vf series offers improved forward voltage characteristics and breakdown voltages up to 1200V.
IX4352NEAU
9A, SiC MOSFET DRIVER, 16L SOIC, NARROW | Series: AEC-Q100 Qualified Low-Side SiC Drivers
IX4352NE
The IX4352NE is designed specifically to drive SiC-MOSFETs and high power IGBTs
SMF
Designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
SMFA Asymmetric
Designed specifically for SIC MOSFET gate protection for asymmetric voltages. It comes in SOD-123FL small and flat lead low-profile plastic package.
SMAJ
400 W peak pulse power capability at 10/1000 μs waveform, repetition rate (duty cycles): 0.01%
SMBJ
600 W peak pulse power capability at 10/1000 μs waveform, repetition rate (duty cycles):0.01 %
SMCJ
1500W peak pulse power capability at 10/1000μs waveform, repetition rate (duty cycles):0.01%
SMDJ58CA
Designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
IXFT320N10T2
These devices are offered with drain-to-source voltage ratings from 40V to 170V and provide high current capabilities of up to 600 Amperes (Tc=@25oC).
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IXFA180N10T2
These devices promote device consolidation through the reduction or elimination of multiple paralleled lower current rated MOSFET devices in high power switching applications.
IXTA180N10T
Trench Gate Power MOSFETs are ideally suited for low voltage/ high current applications, requiring an exceedingly low RDS(on), thus guaranteeing very low power dissipation.
Low Rho
Low Rho Surface Mount PPTC (Polymer Positive Temperature Coefficient) devices provide overcurrent protection for applications where ultra low internal resistance, ultra low voltage drop, and automatic resettable protection are desired
59150
A flange mount reed sensor 28.57mm x 19.05mm x 6.35mm (1.125" x 0.750" x 0.259") with a choice of normally open, normally open high-voltage, normally closed or changeover contacts
59020
Well suited for position and limit sensing, security, level sensing and linear actuator applications. Functions best with the 57020 actuator.
K5V
The K5V series illuminated tactile switch features right angle thru hole and SMT models for wave soldering and reflow soldering processes. It offers various colored high, bright LED options,
EITS
The EITS series are right angle illuminated tactile switches, available with both surface mount PIP terminal for reflow soldering and standard through hole configurations for wave soldering
ITS
The ITS series illuminated tactile switch features vertical and right angle thru-hole and SMT models
KT
The KT series full SMT top and side actuated sealed tact switch has a high shear force with an extended bracket that gives it a long operating life
OCP & retrofit data centers
Moving toward ±400-800 V DC architectures while maintaining legacy 48 V systems
IXSH
3rd Generation SiC MOSFET Technology with –3.5/+15. . .18 V gate drive
IXSA
SiC MOSFET in TO263
IXSG
SiC MOSFET in TOLL
IXSJ
SiC MOSFET in ISO247-4L
IX4352NEAU
9A, SiC MOSFET DRIVER, 16L SOIC, NARROW | Series: AEC-Q100 Qualified Low-Side SiC Drivers
SMF
Designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
SMFA Asymmetric
Designed specifically for SIC MOSFET gate protection for asymmetric voltages. It comes in SOD-123FL small and flat lead low-profile plastic package.
SMDJ58CA
Designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
871
High-Current SMD Fuse is a small square surface-mount fuse that easily supports the higher current requirements
TLS
Telecommunications fuse
456SD/E
NANO²® fuse is a small sized, surface-mountable high current fuse which provides over-current and excessive surge current protection for applications operating at high current in a limited space
IXFT320N10T2
These devices are offered with drain-to-source voltage ratings from 40V to 170V and provide high current capabilities of up to 600 Amperes (Tc=@25oC).
IXFA180N10T2
These devices promote device consolidation through the reduction or elimination of multiple paralleled lower current rated MOSFET devices in high power switching applications.
IXTA180N10T
Trench Gate Power MOSFETs are ideally suited for low voltage/ high current applications, requiring an exceedingly low RDS(on), thus guaranteeing very low power dissipation.
Low Rho
Low Rho Surface Mount PPTC (Polymer Positive Temperature Coefficient) devices provide overcurrent protection for applications where ultra low internal resistance, ultra low voltage drop, and automatic resettable protection are desired
59150
A flange mount reed sensor 28.57mm x 19.05mm x 6.35mm (1.125" x 0.750" x 0.259") with a choice of normally open, normally open high-voltage, normally closed or changeover contacts
59020
Well suited for position and limit sensing, security, level sensing and linear actuator applications. Functions best with the 57020 actuator.
K5V
The K5V series illuminated tactile switch features right angle thru hole and SMT models for wave soldering and reflow soldering processes. It offers various colored high, bright LED options,
EITS
The EITS series are right angle illuminated tactile switches, available with both surface mount PIP terminal for reflow soldering and standard through hole configurations for wave soldering
ITS
The ITS series illuminated tactile switch features vertical and right angle thru-hole and SMT models
KT
The KT series full SMT top and side actuated sealed tact switch has a high shear force with an extended bracket that gives it a long operating life
Hyperscale & AI data centers
Next-Gen 800 V HVDC power architecture under development by hyperscale leaders
IXSH
3rd Generation SiC MOSFET Technology with –3.5/+15. . .18 V gate drive
IXSA
SiC MOSFET in TO263
IXSG
SiC MOSFET in TOLL
IXSJ
SiC MOSFET in ISO247-4L
IX4352NEAU
9A, SiC MOSFET DRIVER, 16L SOIC, NARROW | Series: AEC-Q100 Qualified Low-Side SiC Drivers
SMF
Designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
SMFA Asymmetric
Designed specifically for SIC MOSFET gate protection for asymmetric voltages. It comes in SOD-123FL small and flat lead low-profile plastic package.
IXFB150N65X2
These new devices exhibit the lowest on-state resistances, along with low gate charges and superior dv/dt performance. Their avalanche capability also enhances the device ruggedness.
IXTK22N100L
When Power MOSFETs are used in the linear-mode operation, as opposed to their conventional switch-mode one, they are required to endure substantially high thermal and electrical stresses due to the simultaneous occurrence of high drain voltages and currents; these extreme stresses can cause typical devices to fail.
Low Rho
Low Rho Surface Mount PPTC (Polymer Positive Temperature Coefficient) devices provide overcurrent protection for applications where ultra low internal resistance, ultra low voltage drop, and automatic resettable protection are desired
59150
A flange mount reed sensor 28.57mm x 19.05mm x 6.35mm (1.125" x 0.750" x 0.259") with a choice of normally open, normally open high-voltage, normally closed or changeover contacts
59020
Well suited for position and limit sensing, security, level sensing and linear actuator applications. Functions best with the 57020 actuator.
K5V
The K5V series illuminated tactile switch features right angle thru hole and SMT models for wave soldering and reflow soldering processes. It offers various colored high, bright LED options,
EITS
The EITS series are right angle illuminated tactile switches, available with both surface mount PIP terminal for reflow soldering and standard through hole configurations for wave soldering
ITS
The ITS series illuminated tactile switch features vertical and right angle thru-hole and SMT models
KT
The KT series full SMT top and side actuated sealed tact switch has a high shear force with an extended bracket that gives it a long operating life
AC–DC power supply architecture within sidecar
Supporting ±400 V and 800 V DC bus systems for enterprise and AI-ready data centers
CCMR
Dual-element, time-delay fuses carry the Littelfuse POWR-PRO® advanced technology
JLLS
UL Class T Fast-Acting Fuse
JTD
The JTD Series time-delay, dual-element fuses carry the Littelfuse POWR-PRO® advanced technology designation and are specifically designed for circuits where space is at a premium
IXSH
3rd Generation SiC MOSFET Technology with –3.5/+15. . .18 V gate drive
IXSA
SiC MOSFET in TO263
IXSG
SiC MOSFET in TOLL
IXSJ
SiC MOSFET in ISO247-4L
IX4352NEAU
9A, SiC MOSFET DRIVER, 16L SOIC, NARROW | Series: AEC-Q100 Qualified Low-Side SiC Drivers
IX4352NE
The IX4352NE is designed specifically to drive SiC-MOSFETs and high power IGBTs
SMF
Designed to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
SMFA Asymmetric
Designed specifically for SIC MOSFET gate protection for asymmetric voltages. It comes in SOD-123FL small and flat lead low-profile plastic package.
SMAJ
400 W peak pulse power capability at 10/1000 μs waveform, repetition rate (duty cycles): 0.01%
SMBJ
600 W peak pulse power capability at 10/1000 μs waveform, repetition rate (duty cycles):0.01 %
SMCJ
1500W peak pulse power capability at 10/1000μs waveform, repetition rate (duty cycles):0.01%
DSEI
Pwr Diode Disc-FRED SOT-227B (minibloc)
DSEP
The HiperFRED Low Vf series offers improved forward voltage characteristics and breakdown voltages up to 1200V.
DCK
Silicon Schottky diode rectifiers produce very low forward voltage drops while serving as ac switches in power converts and switched-mode power supplies.
