U24CA Datasheet

Bidirectional TVSarray ™


This Transient Voltage Suppressor (TVS) array is packaged in an SO-8 configuration giving protection to 2 Bidirectional data or interface lines. It is designed for use in applications where very low capacitance protection is required at the board level from voltage transients caused by electrostatic discharge (ESD) as defined in IEC 61000-4-2, electrical fast transients (EFT) per IEC 61000-4-4 and effects of secondary lightning. It is also available with either Tin-Lead plated terminations or as RoHS Compliant with annealed matte-Tin finish by adding an “e3” suffix to the part number*.
Using the schematic on the second page, pins 1 & 2 are tied together for the first protected line, and pins 7 & 8 are tied together to the ground. The same would then occur for a second protected line where pins 3 & 4 are tied together and pins 5 & 6 are tied together to the ground. These may also be switched in polarity connections since the electrical features are the same in each antiparallel (opposite facing) leg when the pins are tied together in this manner for bidirectional protection.
These TVS arrays have a peak power rating of 500 watts for an 8/20 μsec pulse. This array is suitable for protection of sensitive circuitry consisting of TTL, CMOS DRAM’s, SRAM’s, HCMOS, HSIC microprocessors, UNIVERSAL SERIAL BUS (USB) and I/O transceivers. The USB08XXC-A product provides board level protection from static electricity and other induced voltage surges that can damage or upset sensitive circuitry.

• Protects up to 2 bi-directional lines
• Surge protection per IEC 61000-4-2, IEC 61000-4-4
• Provides electrically isolated protection
• UL 94V-0 Flammability Classification
• RoHS Compliant devices available by adding “e3” suffix
• LOW CAPACITANCE 5 pF per line pair

• EIA-RS485 data rates: 5 Mbs
• 10 Base T Ethernet
• USB date rate: 900 Mbs
• Tape & Reel per EIA Standard 481
• 13 inch reel; 2,500 pieces (OPTIONAL)
• Carrier tubes; 95 pcs (STANDARD)



Manufacturer information


Microsemi Corporation offers a comprehensive portfolio of semiconductor and system solutions for aerospace & defense, communications, data center and industrial markets. Products include high-performance and radiation-hardened analog mixed-signal integrated circuits, FPGAs, SoCs and ASICs; power management products; timing and synchronization devices and precise time solutions, setting the world’s standard for time; voice processing devices; RF solutions; discrete components; enterprise storage and communication solutions, security technologies and scalable anti-tamper products; Ethernet solutions; Power-over-Ethernet ICs and midspans; as well as custom design capabilities and services.

Microsemi is now a subsidiary of Microchip Technology Inc.

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