The SM15KPA-HR/HRA and SM30KPA-HR/HRA high-reliability TVS diode series from Littelfuse, Inc. are surface-mount transient voltage suppressor devices designed for lightning-induced surge protection in avionics, aviation electronics, defense systems and eVTOL platforms. Housed in an SPD4-1 package, the series provides 15 kW or 30 kW peak pulse dissipation (10/1000 μs), response time below 1 ps, 30 […]
Transient voltage suppressor
Plastic TVS devices meet military qualification for aerospace protection
The JANPTX family of surface-mount transient voltage suppressor devices from Microchip Technology is qualified to MIL-PRF-19500 and provides high-reliability transient protection in non-hermetic plastic packages for aerospace and defense applications. The unidirectional TVS devices support working voltages from 5 V to 175 V, deliver up to 1.5 kW peak pulse power and clamp transients in […]
Rectifier and TVS combo suitable for hi-rel automotive applications
Vishay Intertechnology, Inc. introduced a new surface-mount solution for automotive applications that is the industry’s first standard rectifier and transient voltage suppressor (TVS) two-in-one device. Featuring an oxide planar chip junction design and a common cathode circuit configuration, the Vishay General Semiconductor R3T2FPHM3 combines a 3 A, 600 V standard rectifier with a 200 W […]
TVS components targeted at EV and EV-charging circuit protection
ProTek Devices has introduced a couple of TVS components targeted at delivering circuit protection across a variety of electric vehicle (EV) systems including hybrid electric vehicles, charging systems, and automotive electronic control units (ECU). One is a 7,000 Watt TVS component and the other is 11,000 Watts. The 7,000 Watt TVS is the PAM7KSMDJ24CAP […]
TVS diodes suppress surges and ESD
Diodes Incorporated has announced its new bidirectional transient voltage suppressor (TVS) diode, addressing market demands for a robust protection for high-speed data ports. The D3V3Z1BD2CSP is designed to offer protection from both electrostatic discharge (ESD) strikes and surge events. The main applications for this device are the I/O ports in high-performance computing hardware, smartphone handsets, laptop […]
What to look for in surge protection for power supplies
Any mains-powered electrical device is vulnerable to voltage surge. These completely unpredictable events can take many forms: from modest power spikes during normal operation to massive power surges caused by an external lightning strike. To prevent damage and downtime, electrical equipment and circuits need to be provided with adequate surge protection. This article explains how […]
High-current voltage suppressor SMDs for DC and SC protection
ProTek Devices has introduced a new series of 10kA bidirectional transient voltage suppressors for circuit protection in DC and AC, telecommunications infrastructure, and other similar industrial applications. These surface mount devices can be connected in a series or in parallel to create very high-capability circuit protection solutions. The SKCxxxCS series consists of four devices. […]
Power transient voltage suppressors come in SMD packages
Bourns, Inc. announced the industry’s first Power Transient Voltage Suppressor (PTVS) product families available in the compact DFN package (8 mm x 6 mm x 2.5 mm) The Bourns PTVS1 and PTVS2 surface mount series provide effective ESD protection to meet the growing demand for high surge current solutions that can also help designers save valuable PCB board space. […]
TVS array protects circuits in common computer interfaces
Protect Devices has introduced a steering diode/transient voltage suppressor array (TVS array) for circuit protection in common computing interfaces like HDMI and DVI, USB, SATA and PCIe, and more. It provides an ultra-low capacitance of 0.3pF, typical for I/O to ground. The new device part number is the PLR0504FN5. It is compatible with the IEC […]
Ultra-low capacitance TVS diodes offer 3.8-V clamping
TDK Corporation has extended its range of TVS (transient voltage suppression) diodes characterized by their extremely low capacitance values for bidirectional overvoltage protection to include the ULC series (Ultra Low Clamping & Capacitance). The SD01005SL-ULC101 (B74111U0033M060) type has a minimum capacitance of ~0.5 pF and the SD0201SL-ULC101 (B74121U0033M060) type of ~0.6 pF, both at 1 […]
