Littelfuse, Inc.

SMT Fuses provide overcurrent protection for PCBs.
Electrical Equipment & Systems

SMT Fuses provide overcurrent protection for PCBs.

Measuring 10.1 x 3.12 x 3.12 mm, Series 0443 time-delay fuses are suited for applications with 250 Vac requirement and limited space. They have inrush current withstand (I2t) ratings of up to 127A2s (5A current rating) along with time lag characteristic. Units offer current ratings from 500 mA to 5 A with interrupting rating of 50 A at 250 Vac. Fuses are used by OEMs of products that have ac...

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Electrical Equipment & Systems

Voltage Surge Suppressor suits broadband communication lines.

SP03-6 Silicon Overvoltage Protection Array combines TVS device with diode rectifier bridge to provide longitudinal (common mode) and differential protection in one package, suppressing both positive and negative voltage surges. It has reverse standoff voltage of 6 V, and clamps surges to 15 V under 50 A surge current conditions (20 V at 100 A surge). Unit is designed for data lines and interface...

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Electronic Components & Devices

Thyristors offer high blocking voltage and dv/dt immunity.

With 800 V minimum rated blocking voltage, max turn-on time as low as 25 -µs, and minimum rated static dv/dt of up to 75 V/-µs, EV Series Teccor Thyristors can survive transient voltages, minimize false triggering, and prevent unstable activation. Series includes 0.8 A and 1.5 A sensitive gate silicon controlled rectifiers, as well as 0.8 A and 1.0 A sensitive gate triacs. RoHS-compliant units...

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Electrical Equipment & Systems

Surge Protector suits broadband customer premises equipment.

Providing off-state capacitance of less than 20 pF, SIDACtor-® Broadband Optimized(TM) TwinChip Axial series offers bidirectional protection to limit voltage surges to safe level, while handling surge currents up to 100 A under lightning surge test conditions of 10 x 560 -µs. It is comprised of low capacitance DO-15 axial lead SIDACtor devices with specific working voltages in ranges of 220-320...

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Electronic Components & Devices

DSL Protectors do not interfere with signal quality.

SDP Series are SIDACtor devices utilizing bridge and biased bridge technologies that provide protection in DSL applications while overcoming performance issues related to capacitance non-linearity. Compatible with GR-1089-CORE and ITU K.20/21 lightning surge withstand specifications, C version offers surge rating of 500 A for a 2 x 10 -µS waveshape and 200 A for a 10 x 700 -µS waveshape, while...

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Broadband Driver Protector limits secondary line voltage.
Electronic Components & Devices

Broadband Driver Protector limits secondary line voltage.

Supplied in 0.118 x 0.118 x 0.39 in. QFN package, TwinChip(TM) SDP Series provides broadband driver amplifier protection for secondary side of coupling transformers. SIDACtor-® Broadband Optimized(TM) configuration provides bidirectional protection to limit DSL secondary line voltage to safe 43 V peak level. Surge current ratings up to 100 A, under lightning surge test conditions of 2 x 10 -µs,...

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Electrical Equipment & Systems

Diode Array features thyristor-based design.

Capable of protecting telecomm and datacom interface circuits from ESD and other overvoltage threats, SP725 Series of SCR Diode Array features 2-30 V operating voltage range, 14 A surge current with 8 x 20 -µs waveform, 2 nsec rise time, 5 pF max input capacitance, and 5 nA typical, 20 nA max leakage current. RoHS-compliant unit meets IEC 61000-4-2 test requirements for 8 kV direct discharge and...

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Electronic Components & Devices

TVS Diodes protect communications circuits.

Transient voltage suppression (TVS) diodes are offered in SMT versions with power ratings from 400-5,000 W and axial leaded versions from 400-30,000 W. Low-capacitance products (under 50 pf), when used on signal lines, reduce transmission loss in modem, ADSL, and similar functions. Available with unidirectional and bidirectional polarities, diodes offer response times of less than 1.0 ps (typ)...

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Electrical Equipment & Systems

Subminiature 125 V SMT Fuse has current rating above 15 A.

Supplied in 0.397 x 0.123 x 0.123 in. package compatible with pick and place electronics assembly processes, Nano2 456 Series lets circuit engineers design-in primary and secondary over-current protection with single subminiature ceramic fuse. RoHS- and UL-compliant series, available in 20 and 30 A ratings, offers respective interrupting ratings of 100 A @ 125 Vac and 300 A @ 65 Vac. Applications...

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C-Rated SLIC Device protects against surge events.
Electronic Components & Devices

C-Rated SLIC Device protects against surge events.

Offered in surface-mount 3.3 x 3.3 mm QFN package, SIDACtor-® Q2L transient voltage SLIC protector is designed to meet 500 A rating for 2 x 10 -µs GR 1089 waveform. Fixed-voltage protector is available in various Vdrm/Vs values and can withstand surge events required in GR-1089-CORE Issue 4, ITU K.20/21 Enhanced levels, and IEC-61000-4-5. When used in place of programmable SLIC protection...

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