Littelfuse, Inc. announced the new Pxxx0S3N SIDACtor Protection Thyristor Series, which safeguards exposed interfaces in industrial and ICT applications, including RS-485 data interfaces and AC/DC power supplies. Providing equipment in harsh environments with increased protection from severe overvoltage transients assists designers in complying with regulatory requirements. Available in a compact, DO-214AB (SMC) package, the Pxxx0S3N SIDACtor series is […]
AC-DC
OCP ORv3-compliant high-density ac-dc power shelf boasts 97% efficiency
Advanced Energy Industries, Inc. launched its latest Open Compute Project (OCP) Open Rack version 3 (ORv3) compliant high-density AC-DC power shelf with industry-leading power efficiency. Fully compatible with the latest ORv3 1OU 21” open rack standard, the Advanced Energy Artesyn power shelf supports the evolution to 48 V rack power architecture which minimizes power consumption […]
Li-ion battery protectors prevent overcharging, overcurrent damage
Littelfuse, Inc. announced the new ITV4030, a series of 22 amp, three-terminal, surface-mountable Li-ion battery protectors. These 4.0 x 3.0 mm devices protect battery packs against overcurrent and overcharging (overvoltage) conditions. The innovative design uses embedded fuse and heater elements that provide fast response and reliable performance to interrupt the charging or discharging circuit before the […]
Long-life batteries harness the passivation effect
A little known chemical reaction helps extend battery life. Sol Jacobs, Tadiran Batteries As remote wireless devices become increasingly essential to the Industrial Internet of Things (IIoT), there is a growing need to understand the principles behind extended battery life. Many IIoT nodes require a battery-driven energy source. These off-grid low-power applications fall into two […]
50-W ac/dc supplies feature minimal footprint
TRACO POWER announces their new TPI 50-J series of 50W high-density AC/DC power supplies available in 3.00 x 1.50 x 1.20” open frame packages for a wide range of industrial & ITE applications where reliability is critical and space is limited. Features include: 50 watt open frame measuring only 3.00″ x 1.50 x 1.20″; Compact […]
Thyristors provide 3-kA surge protection with low thermal accumulation
Littelfuse, Inc. announced the new Pxxx0S3N SIDACtor Protection Thyristor Series, which safeguards exposed interfaces in industrial and ICT applications, including RS-485 data interfaces and AC/DC power supplies. Providing equipment in harsh environments with increased protection from severe overvoltage transients assists designers in complying with regulatory requirements. Available in a compact, DO-214AB (SMC) package, the Pxxx0S3N SIDACtor series is […]
1200 W power supply designed for conduction cooling
Powerbox announced the release of the 1200W rated OFI1200A AC/DC power supply for industrial applications. Optimized for conduction cooling, the OFI1200A delivers high-performance levels across a baseplate temperature range of -40 to +95 degrees C without the use of a fan. The power supply operates with a wide universal input range from 85 to 305VAC […]
Miniaturized open frame power supplies optimized for medical and industrial apps
Murata announced the expansion of its PQ line which is comprised of open frame AC/DC converters. The PQU1000 series was designed for industrial and medical applications requiring a high level of safety. The line meets IEC62368-1 and EN60601-1 third edition standards for industrial and healthcare applications. Given that, it is suitable for Body Floating (BF) […]
140-W supply design employs high- and low-voltage GaN switches to boost efficiency
Innoscience Technology announced a new ultra-high-density 140W power supply demo that uses the company’s high- and low-voltage GaN HEMT devices to achieve efficiencies of over 95% (230VAC; 5V/28A). Measuring just 60x60x22mm (2.4×2.4×0.9in) the PSU has a class-leading power density of 1.76W/cm3 (29W/in3). The 140W 300kHz AC/DC adapter uses a CRM Totem Pole PFC + AHB […]
Ultra-high efficiency, low component count AC/DC supplies include power factor correction
Eggtronic has expanded its EcoVoltas family of high-efficiency AC/DC architectures with the launch of SmartEgg, a Zero Voltage Switching (ZVS) solution for power applications in the 75 to 1kW range that need both output voltage regulation and power factor correction (PFC). By enabling much higher no-load-to-full-load efficiency and a 50% smaller bill of materials (BOM) […]