Littelfuse Introduces New Dual-Channel, General Purpose TVS Diode Array Family

On February 13, 2014, Littelfuse, a global leader in circuit protection technology, introduced its latest innovation: the SM Series of dual-channel TVS diode arrays. Designed to protect sensitive electronic devices from electrostatic discharge (ESD), electrical fast transients (EFT), and lightning-induced surges, these new components are engineered for superior performance and reliability. The SM Series offers five voltage options—5V, 12V, 15V, 24V, and 36V—each featuring extremely low dynamic resistance, which ensures excellent clamping performance compared to similar products on the market. This enhanced performance makes the SM Series ideal for modern electronics that require robust protection without compromising functionality. The series is capable of withstanding high levels of repetitive ESD strikes as defined by international standards while safely dissipating up to 24A of inductive surge current. These features make it particularly suitable for data communication ports such as RS-232, RS-485, RS-422, and RS-423, commonly found in automation systems, diagnostic equipment, safety controls, printers, and test instruments. Chad Marak, Director of Product Lines for TVS Diode Arrays at Littelfuse, emphasized the advantages of the SM Series: "Littelfuse's SM Series of TVS Diode Arrays offer two to three times better ESD tolerance than competing solutions, ensuring the highest reliability for outdoor electronics." He added that the company’s products stand out due to their extremely low dynamic resistance and minimal clamping voltage, making them an excellent choice for safeguarding delicate electronic components. Key features of the SM Series include: - Significantly reduced clamping voltage to protect modern integrated circuits from ESD and surge events. - 25% higher power handling capacity than competing products, offering a greater margin for design flexibility. - Compact SOT23-3 package available in 3,000 units per roll. - Samples are available through authorized Littelfuse distributors worldwide. Whether you're working on industrial automation, telecommunications, or consumer electronics, the SM Series provides a reliable and efficient solution for protecting your designs from electrical threats. With its combination of performance, durability, and versatility, the SM Series is a must-have for engineers looking to enhance the reliability of their systems.

Circular I/O Connectors

Circular Connectors
Circular connectors, also called [circular interconnects," are cylindrical, multi-pin electrical connectors. These devices contain contacts that transmit both data and power. Cannon (now ITT Tech Solutions) introduced circular connectors in the 1930s for applications in military aircraft manufacturing. Today, you can find these connectors in medical devices and other environments where reliability is essential.
Circular Connectors is designed with a circular interface and housing to quickly and easily connect and disconnect signal, power, and optical circuits. Circular connectors are often preferred in military, aerospace, and industrial applications: these can be connected and disconnected without the use of coupling tools such as torque wrenches. Antenk`s circular connectors offer rugged solutions that have been engineered for reliable performance in a wide variety of harsh environment applications.
I/O connectors provide secure electrical contact and smooth, safe disconnect. They are used across a range of industries for communications devices, business equipment and computers. Top considerations when purchasing I/O connectors include pinout, gender, voltage rating, contact plating, and termination style.

Types of Circular Connectors

Circular connectors typically feature a plastic or metal shell surrounding the contacts, which are embedded in insulating material to maintain their alignment. These terminals usually pair with a cable, and this construction makes them especially resistant to environmental interference and accidental decoupling.

Circular I/O Connectors Types

Audio Connector
BNC/TNC Connector
DC POWER Connector
Mini din connector
DIN Connector
M5/M8/M12/M16/M23 PP9 Connector
SMA/SMB/FME Connector
RCA Connector
MCX MMCX Connector

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