Bourns, Inc. announced an addition to the company’s flyback power transformer line. Designed to support IEEE 802.3 af-compliant, integrated Power-over-Ethernet (PoE) Powered Device (PD) and Pulse Width Modulation (PWM) controller applications, Bourns Model SM13117EL provides DC/DC power conversion in isolated mode. The SM13117EL flyback transformer features 13 watts of output power, 36 – 72 VDC/ 250 kHz input, […]
TVS diodes optimized for dc bus clamping
Bourns, Inc.introduced its Model 15KPA-SD-Q transient voltage suppressor (TVS) diode series. Bourns designed its latest TVS diodes for use in DC bus clamping applications, and to protect sensitive electronics applications against overvoltage transients. In addition, these new protection devices are AEC-Q101- compliant making them ideal protection solutions for applications that require high reliability such as in power supplies and equipment […]
TVS diodes handle 600-W peak pulse power for high-density power supply apps
Bourns, Inc. announced the further expansion of its line of discrete transient voltage suppressor (TVS) diode products with two new series of ESD/EFT surge protection products. Bourns designed its Model SMA6J and Model SMA6L-Q TVS diodes to protect power buses and I/O interfaces in data lines and DC power supplies. In addition, Bourns Model SMA6J-Q is AEC-Q101 compliant and well-suited for […]
TVS diodes target data center surge protection apps
Bourns, Inc. introduced two new TVS diode surge protection series designed to meet the component miniaturization required in today’s highly integrated and high power density designs. Bourns Model SMF4L and Model SMF4L-Q Series are offered in a compact, low profile surface mount SOD-123FL package with a height of just 1.125 mm, which is 50 percent smaller than Bourns’ previous […]
Hybrid overvoltage protection devices replace standard MOVs
Bourns, Inc. introduced the company’s GMOV line of overvoltage protection components. Bourns’ innovative hybrid design combines its patented, space-saving Gas Discharge Tube (GDT) with FLAT technology with a Metal Oxide Varistor (MOV) to create a compact and enhanced overvoltage protector that is a drop-in replacement for standard 14 and 20 mm MOVs. Bourns designed its new GMOV […]
Power Electronics Top Talks in December on EDABoard.com forums
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around power electronics. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com Favorite low phase shift 240Vrms detector – I have a requirement for a very low phase shift, galvanically isolated, zero cross detector […]
Power-supply overvoltage protection, Part 2: Clamps
Part 1 of this FAQ discussed the context of overvoltage protection and crowbars which provide OVP. This part will look at clamps for OVP use. Q: What does the clamp do? A: A clamp conducts just-enough current to maintain the voltage across it at a safe, desired value when the transient is above the clamp’s […]
Power-supply overvoltage protection, Part 1: Crowbars
Engineers who deal with power supplies (as most eventually do) often see the circuit-protection terms “crowbar” and “clamp.” No, there are no references to items purchased at the local hardware store, but they are essential “hardware” elements, meaning autonomous circuit components and functions with no related software. They are used to provide protection to a […]
SMD resettable thermal cutoff protects lithium-polymer, prismatic cells
Bourns, Inc., a leading manufacturer and supplier of electronic components, today announced the industry’s first surface mount Miniature Resettable Thermal Cutoff (TCO) devices. Bourns’ new Model SA Series TCO battery protection solutions are compatible with surface mount reflow soldering methods, which eliminate supply chain steps and streamline the manufacturing process. By controlling abnormal, excessive current virtually […]
AC surge protector devices with type 1 and type 2 meet the latest UL 1449 standard
Bourns, Inc. has announced the expansion of the company’s AC surge protective device (SPD) line with two new heavy duty models that meet the latest Underwriters Laboratories’ (UL) 1449 safety and performance standard. Designated Bourns Model 1251 and Model 1252, the two series are high-performance hybrid SPDs. Model 1251 is a Type 1 SPD designed […]
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