Company News

Littelfuse, Inc.

8755 W. Higgins Rd., Suite 500, Chicago, IL, 60631, USA

  • 800-522-7697

Latest New Product News from
Littelfuse, Inc.

Materials & Material Processing

ESD Suppressors feature 500 V trigger voltage.

May 13, 2004

PulseGuard® Series PGB1 ESD Suppressors are RoHS compliant and compatible with high temperature reflow cycles. They offer ESD protection on high-speed signals such as HDMI, DVI, USB 2.0, and FireWire. With capacitance of 0.055 picofarads and ESD event response time of less than 1 nanosecond, units offer protection without waveform distortion. All devices are compatible with lead-free... Read More

Electrical Equipment & Systems

Surge Fuse protects against TVS failure.

Apr 28, 2004

Offering precise mating to TVS components, Littelfuse Varistor Surge Protection fuse protects TVSS products and survives 8 x 20 µsec lightning surges without opening. UL-Recognized MOV Protector Fuse, rated for peak surge currents from 5-100 kA, protects TVSS by opening Varistor circuit when it is shorted due to energy beyond its rating. Series has 200 kA max interrupt rating at 600 Vac.... Read More

Electrical Equipment & Systems

Circuit Protection System meets international requirements.

Apr 15, 2004

Global Pro circuit protection system is compact, meets IEC size/safety requirements, is compatible with existing automation systems, and can be monitored remotely. Cylindrical fuse dimensions offered are 14 x 51 mm for 30 A, 22 x 58 mm for 60 A, and 27 x 60 mm for 100 A. Fuses feature spring activated, pop-up pin that triggers a snap-action switch for remote blown fuse indication. Neon indicator... Read More


Program helps streamline fuse inventory.

Mar 02, 2004

MRO Plus analyzes list of on-hand fuse inventory, identifies duplicate products from different manufacturers, and provides recommendations to reduce SKUs. Program can identify old or obsolete products with inadequate performance. When compatible match can be made, MRO Plus makes recommendations for replacing current fuse inventory with Indicator fuses, which feature darkened window that... Read More


Software calculates degree of arc-flash hazard.

Mar 01, 2004

Arc-Flash Calculator Program helps electricians and plant engineers protect employees by determining degree of arc-flash hazard in facility. It calculates incident energy, minimum required level of personal protective equipment (PPE), and flash protection boundary for every area within facility where workers might be exposed to electrically energized system components. It includes pull-down... Read More

Electrical Equipment & Systems

Axial Lead Fuse Series saves board space.

Oct 31, 2003

Measuring 3.6 in diameter x 10 mm long, 600 Series offers voltage rating of 250 V and includes 2 ceramic models designed to IEC 60127-3 standard. Model 676 fast acting fuse has 0.05-6.3 A current rating, and 677 time delay fuse has 0.25-6.3 A current rating. Versions designed to UL/CSA 248 standard include 2 glass and 2 ceramic models that have respective current ratings of 0.10-10 A and 0.10-8 A... Read More

Electronic Components & Devices

Circuit Protection Diodes provide high power dissipation.

May 19, 2003

Transient voltage suppression (TVS) diodes suppress over voltage transients induced by EFT, inductive load switching, and lightning. Product line consists of 500, 600, and 1,000 W TVS diodes in surface mount DO-214AA packages with breakdown voltages ranging from 5-185 V and 500, 600, and 1,500 W TVS diodes in axial leaded packages with breakdown voltages ranging from 5-440 V. Both ranges are... Read More

Electronic Components & Devices

Multilayer Varistors offer nickel-barrier termination.

Apr 15, 2003

Multilayer varistor (MLV) products, with nickel-barrier termination, enhance solderability by improving wetting characteristics of termination to resist sliding and tombstoning during board-assembly process. Plated-nickel layer is placed over standard silver termination to ensure that termination is immune to solder leaching. Tin plating, placed over nickel layer, improves solder wetting... Read More

Electrical Equipment & Systems

Surge Suppressors provide data and power source protection.

Mar 28, 2003

GDT Gas Plasma OVP Devices handle current surges up to 10,000 A while suppressing overvoltage transients. Capacitance is 1-2 pF and insulation resistance is greater than 1 Gohm. Units present no signal loss up to 1.8 GHz, making them suitable for broadband applications. Hybrid units combine high surge capability with low clamping voltage of silicon avalanche diodes. They handle currents up to 5... Read More

Electrical Equipment & Systems

Fuse complies with lead-free manufacturing standards.

Dec 26, 2002

Series 467 SlimLine(TM) Very Fast-Acting Fuse, offered in EIA 0603 size, uses no lead in fusing element or its termination, which is composed of 100% copper/nickel/tin. Series cuts off flow to circuits in as little as .02 sec at 300% of rated current. Standard outline measures .012 in. in height and is suitable for space-restricted ac or dc circuits. Fusing element protective coating material is... Read More

Electrical Equipment & Systems

Lead-Free Fuses withstand high temperatures.

Oct 02, 2002

Series 466 SlimLine(TM) Very Fast Acting Fuses have totally lead-free fusing element and feature SMD terminations made of copper/nickel/tin. They withstand 260°C required by lead-free wave and reflow soldering. Units can cut off flow to circuit in as little as .02 sec at 300% of rated current. Fuses are available in current ratings up to 7 A and from 24 to 125 V, and can be used in ac or dc... Read More

Materials & Material Processing

ESD Suppressor suits IEEE 1394 and dual USB 2.0 protocols.

Sep 20, 2002

PulseGuard® PGB Series 0805 Surface Mount ESD Suppressor features low capacitance of 0.055 pF and ESD event response time of less than 1 ns, ensuring ESD protection without waveform distortion. Four-channel component is capable of clamping direct-contact pulses of 8 kV of ESD energy. Leakage current is less than 1 nanoamp. Polymer-based suppressor comes in glass epoxy package and is compatible... Read More

Electronic Components & Devices

Varistor is thermally protected.

Jun 27, 2002

Available in 20 mm packages, iTMOV(TM) metal-oxide varistor (MOV) offers voltages from 115 to 420 Vac. Integrated thermally activated element opens when MOV experiences elevated temperatures from abnormal, sustained over-voltage limited current conditions to reduce potential threats of thermal runaway condition. It also guards against transient voltage surges. Designed for TVSS modules, series... Read More

Computer Hardware & Peripherals, Materials & Material Processing

ESD Suppressor also has EMI/RFI filtering.

Jun 17, 2002

SPUSB1 provides upstream USB port protection. Device combines ESD protection up to 30 kV, EMI/RFI filtering, and termination into SC70 six lead package. Able to protect upstream circuit elements such as USB controllers, it replaces 10 discrete devices required for same functions. Suppressor provides ESD protection for all data lines as tested under MIL-STD-883D specification. It also offers 15 kV... Read More