These distinctions refer specifically to ferromagnetic and ferrimagnetic materials, not just hard and soft materials. There are super-soft, very-soft, soft, semi-hard, and hard magnetic material classifications based on the magnetic coercivity (HC) measured in ampere/meter (A/m) units or Oersteds (Oe). This FAQ is focused primarily on soft, semi-hard, and hard magnetic materials. It begins with […]
Magnetics
Magnetic components carry automotive certifications
Automotive electronics are subjected to special requirements. This has resulted in industry-typical standards such as AEC-Q200 qualification or IATF-16949-certified production. In this context, Würth Elektronik has supplemented its extensive catalog for automotive components. Highlights among the new additions include WE-CAR-TEC and WE-CNSA. The WE-CAR-TEC series is a folding ferrite with a core material made of NiZn. […]
Transformers for ultrasonic sensing applications
Ultrasonic sensing is used in various automotive and industrial applications ranging from liquid level sensing to robot obstacle detection and automated parking assistance. Transformer-based designs can produce highly accurate solutions with maximum ranging distances. This FAQ will review several applications for ultrasonic sensing, compare the capabilities of transformer drive with direct drive solutions, and then […]
Magnetics for Power over Ethernet
Power-over-Ethernet (PoE) delivers power to remote powered devices (PDs) over twisted-pair Ethernet cables up to 100 meters long. Over time, the standard has evolved and can now deliver up to 71W, making it useful for a wide variety of applications, including network routers and repeaters, VoIP phones, IP security cameras, wireless and Bluetooth access points, […]
Gate drive transformer specifications and applications
Gate drive transformers are often a good solution for providing galvanic isolation in high-voltage and high-frequency applications where fast and accurate signal timing is critical. A gate drive transformer is optimized to handle fast-rising and fast-falling rectangular pulses to turn power switches “on” and “off” in switching power converters. Although many gate drive transformers have […]
Comprehensive study covers global permanent magnet industry
Recognized magnetics industry experts, Walt Benecki, Steve Constantinides, Dr. John Ormerod and Dr. Stan Trout are pleased to announce the publication of their comprehensive study of the global permanent magnet industry. This report is the definitive reference guide, an exhaustive market study which quantitatively describes the major commercial and technical features of the global permanent […]
Surface mount transformers for Power-Over-Ethernet applications
Signal Transformer announces the latest product innovation for Power Over Ethernet (PoE) applications, the SPoE Surface Mount Transformer Series. SPoE is a new product for equipment or devices connecting to an Ethernet or enterprise network and relies on ethernet cables to receive power and digital data signals for operation and processing, respectively. Today’s IoT (Internet of […]
Miniature SMT ferrites optimized for data line filtering
Würth Elektronik extends its WE-CBA SMT EMI Suppression Ferrite Bead product families. They now include 0402, 0603, 0805, 1206, 1806 and 1812 packages. The SMDs are AEC-Q200 qualified as part of Würth Elektronik’s automotive electronics portfolio. WE-CBA features high-quality Ni-Sn electrodes, a very high current carrying capacity up to 6 A, and operating temperatures from […]
Hall-effect current sensors first with zero drift
Texas Instruments introduced the industry’s first zero-drift Hall-effect current sensors. The TMCS1100 and TMCS1101 enable the lowest drift and highest accuracy over time and temperature while providing reliable 3-kVrms isolation, which is especially important for AC or DC high-voltage systems such as industrial motor drives, solar inverters, energy-storage equipment and power supplies. Ongoing demand for higher […]
World’s smallest ferrite chip beads target automotive power supply application
Murata Manufacturing Co., Ltd. has introduced the BLM18SP_SH1 series of the world’s smallest chip ferrite beads (for noise suppression) for use in automotive power supply applications. The company has started shipping samples, and volume production is scheduled to begin in June 2020. In recent years, in keeping with the progress of automobile electrification, cars have […]
