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TVS Diode Array (SPA) Catalog

TVS Diode Array (SPA) Catalog
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Expertise Applied | Answers Delivered DIODE ARRAY Transient Voltage Suppression SPA® Diode

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TVS Diode Arrays (SPA® Diodes) Littelfuse* Expertise Applied | Answers Delivered TVS Diode Array Technology and Applications Overview Data Protocol, Application and Product Selection Port Protection Examples Definitions and Terms Transient Voltage Threats and Scenarios ESD Suppression Strategies and Standards Legal Disclaimers © 2017 Littelfuse, Inc. Specifications, descriptions and illustrative material in this literature are as accurate as known at the time of publication, but are subject to change without notice. Visit www.littelfuse.com for m

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TVS Diode Arrays (SPA® Diodes) Expertise Applied | Answers Delivered Littelfuse Silicon Protection Array family of TVS Diode Arrays (SPA® Diodes) are designed to protect analog and digital signal lines, such as USB and HDMI, from various transient threats using the lowest possible clamp voltage. They offer broader application use and improved impulse protection performance over conventional diodes. These robust devices safely absorb repetitive ESD strikes at the maximum level (Level 4) specified in the IEC 61000-4-2 international standard, without performance degradation. Key Features • Low...

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TVS Diode Arrays (SPA® Diodes) Littelfuse* Expertise Applied | Answers Delivered Data Protocol, Application and Product Selection For additional information including reference design examples, please visit www.littelfuse.com/SPA PRODUCT SERIES AND APPLICABLE DATA RATES AND PROTOCOLS Data Rate (Mbit/sec) 0 Data Protocols Typical Applications Serial Port (com) Keyboard Mouse DC Power Bus Keypad Buttons Parallel Port (LPT) Printer Scanner Coputer Input and Periperal Devices PDA / PMP / Cell Phone/ Digital Camera/ & Game Controller Ports Control System Network Hardware PCI Adapter Hub Router...

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TVS Diode Arrays (SPA® Diodes) Port Protection Examples BROADBAND NETWORK PORT PROTECTION The following are examples of the implementation of ESD and lightning suppression for Ethernet ports (RJ-45 connectors). Note that the diagrams shown below represent 10Mbps and 100Mbps applications -- For 1Gbps applications, the circuit protection should be double of what is shown. For additional design examples, guidance and application assistance, please contact Littelfuse. Inter-Building - Robust Lightning Protection Intra-Building - Robust Lightning Protection The diagram show below is typical for...

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TVS Diode Arrays (SPA® Diodes) Littelfuse* Expertise Applied | Answers Delivered Port Protection Examples (continued)PERIPHERAL / STORAGE DATA PORT PROTECTION USB 1.1 The following are examples of ESD suppression for high speed data ports such as USB and eSATA. For additional design examples, guidance and application assistance, please contact Littelfuse. USB 2.0 Data speeds up to 12 Mbps Data speeds up to 480 Mbps Port Controller USB 3.0 Data speeds up to 5 Gbps * Package is shown as transparent SSTX+ SSTX-SSRX+ SSRX-Ground D+ D-Signal Ground Case Ground eSATA Data speeds up to 3 Gbps...

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Llttelfuse* Expertise Applied | Answers Delivered TVS Diode Arrays (SPA® Diodes)Port Protection Examples (continued) ENTERTAINMENT ELECTRONICS PORT PROTECTION The following are examples of ESD suppression for ports common to entertainment electronics. For additional design examples, guidance and application assistance, please contact Littelfuse. Data speeds up to 3.4 Gbps per pair HDMI Chipset HDMI Port " Case * Package is shown as transparent Ground Video Port *— Case Ground " Signal" Ground Keypad / push button ESD protection For additional reference design examples, please view the...

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TVS Diode Arrays (SPA® Diodes) Littelfuse* Expertise Applied | Answers Delivered Definitions and Terms Liability Definitions Operating Voltage Range (VSUPPLY; SP72x Series only) The range limits of the power supply voltage that may be across the V+ and V- terminals. The SCR/Diode arrays do not have a fixed breakover or operating voltage. These devices 'float' between the input and power supply rails and thus the same device can operate at any potential within its range. Forward Voltage Drop (SP72x Series only) The maximum forward voltage drop between an input pin and respective power supply...

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TVS Diode Arrays (SPA® Diodes) Expertise Applied | Answers Delivered Voltage Transients are defined as short duration surges of electrical energy and are the result of the sudden release of energy previously stored or induced by other means, such as heavy inductive loads or lightning. In electrical or electronic circuits, this energy can be released in a predictable manner via controlled switching actions, or randomly induced into a circuit from external sources. Repeatable transients are frequently caused by the operation of motors, generators, or the switching of reactive circuit...

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Expertise Applied | Answers Delivered Transient Voltage Threats and Scenarios (continued)Electrostatic Discharge (ESD)Inductive Load Switching Electrostatic discharge is characterized by very fast rise times and very high peak voltages and currents. This energy is the result of an imbalance of positive and negative charges between objects. ESD that is generated by everyday activities can far surpass the vulnerability threshold of standard semiconductor technologies. Following are a few examples: The switching of inductive loads generates high energy transients which increase in magnitude...

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TVS Diode Arrays (SPA® Diodes) Expertise Applied | Answers Delivered It is important to consider that most electronic equipment will spend 99% of its useful life in environments where it is subject to ESD. ESD can be generated from a wide range of everyday factors such as very dry air, static from plastics, or walking across a floor or carpet, and can be present during every phase of useful life from manufacturing, to product shipping, receiving, to field handling. Electrostatic Discharge (ESD) causes millions of dollars worth of damage to electrical components, rendering circuit boards...

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