Littelfuse, Inc.

Protection Thyristor utilizes silicon crowbar technology.
Electronic Components & Devices

Protection Thyristor utilizes silicon crowbar technology.

Housed in SOT23-6 package, SDP Series SIDACtor-® Protection Thyristor delivers overvoltage protection for broadband/xDSL telecommunications equipment with minimal effect on connection speed and reach. Unit- provides crowbar response to surge events with max threshold of 29 V at 250 V/-µs, and offers surge protection up to 30 A while maintaining low off-state capacitance. By responding quickly...

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Electrical Equipment & Systems

LED Protectors enhance overall light engine efficiency.

Molded from white material, PLEDxSW Series provides electronic shunt path when LED in string fails as open circuit. Devices are connected in parallel with each LED in a series string and are compatible with 1, 2, and 3 W LEDs that have nominal 3 V forward characteristic. Supplied in low-profile standard DO-214AA package, products are designed to efficiently dissipate heat and are compatible with...

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Electronic Components & Devices

TVS Diode Arrays protect telecommunications interfaces.

Integrating steering diodes with additional zener diode, SRDA3.3 Series protects data lines against electrostatic discharge and high surge events. Units provide up to 600 W of power dissipation, dynamic resistance of 0.5 Ω, and low loading capacitance of 10 pF max. Applications include tertiary protection of high-speed T1/E1/T3/E3 telecommunications data lines, xDSL interfaces, RS-232/RS-485...

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Thyristor Power Control Device affords design flexibility.
Electronic Components & Devices

Thyristor Power Control Device affords design flexibility.

When coupled with- capacitor and transformer, Kxxx1GL Series Multipulse™ SIDAC- generates high voltage pulses required to ignite metal-halide lamps. Product offer designers of metal-halide lamp ignition circuits advantages of lower switching loss for higher pulse voltages, improved tolerance for input voltage variations, and longer pulse durations. Designed for use in 220–240 Vac line...

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TVS Diode Array protects data lines from transients.
Electronic Components & Devices

TVS Diode Array protects data lines from transients.

With dynamic resistance of 0.3 Ω, max clamping voltage of 18 V, and capacitance of 6 pF from I/O to GND, SR05 Series protects telecommunication and industrial equipment against ESD and lightning-induced surge events. Each channel or I/O pin can safely absorb up to 25 A and repeated ESD strikes without performance degradation. Typical applications include protecting T1/E1/T3/E3 lines, Ethernet...

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Electronic Components & Devices

TVS Diode Arrays protect telecom lines from lightning surges, ESD.

Integrating low capacitance steering diodes with additional zener diode, SRDA05 Series protects telecommunications data lines against ESD and high surge events. Typical applications include tertiary (IC side) protection for T1/E1/T3/E3 data lines, xDSL interfaces, RS-232/RS-485 interfaces, 10/100/1000 Ethernet interfaces, and video lines. Along with peak pulse power rating of 600 W (8/20 -µsec),...

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Thyristor Power Control Devices expand usable range of lighting.
Electrical Equipment & Systems

Thyristor Power Control Devices expand usable range of lighting.

Alternistor Triac (Q6008LH1LED and Q6012LH1LED Series) and QUADRAC (Q6008LTH1LED and Q6012LTH1LED Series) Thyristor Power Control Devices- are designed for use as switch in dimmer circuit to adjust light output of LED bulbs and strings. Products let- designers of AC line-based dimmers for LED lighting accommodate range of operating parameters without reducing reliability or dimmer performance....

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Radial Leaded Varistors protect against high peak surges.
Electronic Components & Devices

Radial Leaded Varistors protect against high peak surges.

Providing high energy absorption capability and resistance to temperature cycling, LV UltraMOV™ Series protects low voltage DC applications against peak surges, including lightning strike interference, system switching transients, and abnormal fast transients from power source. RoHS-compliant units are lead-free, halogen-free, and available with optional phenolic coating. Operating up to 125-

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Hermetically Sealed Fuses are certified intrinsically safe.
Electrical Equipment & Systems

Hermetically Sealed Fuses are certified intrinsically safe.

Designed for 125 V applications in electrical equipment used in hazardous locations, PICO-® 259-UL913 Series- is certified under UL913 Safety Standard for Intrinsically Safe Apparatus and Associated Apparatus for Use in Class I, II, and III, Division 1, Hazardous (Classified) Locations. Encapsulant prevents heat and sparks from being exposed to hazardous gases or dust in environment. With...

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Littelfuse and the Chicago Innovation Awards Ring NASDAQ
Electrical Equipment & Systems

Littelfuse and the Chicago Innovation Awards Ring NASDAQ

Celebrating Innovations in the Chicago Region like the TMOV25S and TMOV34S Varistors CHICAGO– Representatives from Littelfuse, Inc. joined the Chicago Innovation Awards, the Chicago region’s foremost annual celebration of innovation, in New York City on Monday, February 25th to close the NASDAQ Stock Market, the premier exchange for technology companies. The event emphasized the surge of...

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