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News
Littelfuse SIDACtor® Protection Thyristor Safeguards CVBS Signal Lines Against Damaging Overvoltage Transients
2019-03-04 | ReturnHigh power density, small-footprint,surface-mount SOD-123FL solution simplifies PCB design
CHICAGO, March 4, 2019 — Littelfuse, Inc.today introduced the first PxxxxS4xLRP Series SIDACtor® Protection Thyristor, arobust solution for protecting Composite Video Blanking Sync (CVBS) signallines and ports from damaging overvoltage transients. The combination of 6Voperating voltage and 100A 5/310µs surge peak current capability and a lowjunction capacitance rating make the P0080S4BLRP ideal for protecting a wide rangeof equipment needs data line protection. The PxxxxS4xLRP Series provides acompact, surface-mount solution which simplifies designing it into PCB layout.
Typical applications for the PxxxxS4xLRPSeries SIDACtor Protection Thyristor include:
• TV/camera CVBS cables
• data communications
• Set Top Boxes (STBs)
• RS-485, RS-232 datalines
• CAN Bus
“For these applications, peak-to-peak signal voltage is within 1.1Vand driver IC Vcc voltage is less than 5V, so a protection component with avoltage higher than 6V is generally recommended,” said Jack Tung, ProductManager of SIDACtor Protection Thyristors, Electronics Business Unit atLittelfuse. “The PxxxxS4xLRP Series’ minimum operating voltage of 6V and 100A5/310µS surge peak current capability meets this requirement and its junctioncapacitance of less than 30pF is well-suited for 4.43MHz CVBS signals.”
The PxxxxS4xLRP Series SIDACtor ProtectionThyristor offers these key benefits:
• Compared to existingsolutions on the market, it provides higher power density in a smallerfootprint, which makes it preferable for compact product designs.
• An operating voltage of6V with 100A 10/700µS, 4kV surge peak current capability, and junctioncapacitance of < 30pF make it well-suited for low voltage signal lineprotection applications, such as 4.43MHz CVBS signals, RS-484, RS-323 datalines or CAN Bus.
• The compactsurface-mount SOD-123FL package simplifies designing it into PCB layouts.
Availability
The PxxxxS4xLRP Series SIDACtor ProtectionThyristor is available in SOD-123FL packaging in tape and reel format inquantities of 3,000. Sample requests may be placed through authorizedLittelfuse distributors worldwide. For a listing of Littelfuse distributors,please visit Littelfuse.com.
source:https://www.littelfuse.com