Bourns, Inc. introduced its new high clearance/creepage distance isolation power transformer series. Bourns Model HCT series high-voltage isolation push-pull transformers are AEC-Q200 compliant. Bourns designed its latest transformer series to support isolated interface power for CAN, RS-485, RS-422, RS-232, SPI, I2C, and lower-power LAN. Solutions that simplify isolated interface power are required in a broad range of […]
Power IC with integrated transformer reduces power supply volumes by up to 80%
Texas Instruments introduced the first integrated circuit (IC) developed with a new proprietary integrated transformer technology: a 500-mW high-efficiency isolated DC/DC converter with the industry’s lowest electromagnetic interference (EMI), the UCC12050. Its 2.65-mm height enables designers to reduce their solution volume by as much as 80% compared to discrete solutions and 60% compared to power […]
Rogowski coils optimized for smart grid apps
In response to the need for improvements in electrical parameters measurement support for the expanding Smart Grid, LEM announces the development of the ARU Rogowski coils range to measure current up to 300,000 A AC with accuracy class 0.5. The ARU range achieves IEC 61869-10 class 0.5 without the need for additional components such as […]
Low-power transformers meet isolation, creepage, clearance safety standards
Signal Transformer announced select models of the 14A Series One-4-All International transformers for low power applications are now recognized by UL as Inherently Limited Class 2 transformers per (UL 5085-3). The 14A Series offer better performance at an affordable price point and meet the high isolation, creepage and clearance necessary to comply with international safety […]
Flyback transformers handle IEEE 802.3 af-compliant PoE PD and PWM controller apps
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, […]
Low power transformers now UL recognized as Class 2 models
Signal Transformer, a Bel group company, announced selected models of the ST and DST Series of high isolation split bobbin, low power transformers, are now recognized by UL as Inherently Limited Class 2 transformers per (UL 5085-3) and now incorporate a UL 1446 Class F 155.0C Insulation System. The ST and DST Series utilize split […]
Power Electronics Top Talks in August 2019 on EDABoard.com
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 1 minute vs. 1-second isolation voltage test – Some offline transformers are spec’d for 3750vac for 1second (3mA). Some are spec’d […]
Single-phase buck/boost transformer provides 208-V primary, 240-V secondary
Larson Electronics announced the release of a single-phase buck and boost transformer for indoor and outdoor use. This transformer provides protection against critical equipment failures and isolates the power source from the connected device. This 14.75 kVA-rated unit features a primary voltage of 208V AC and a secondary voltage of 240V AC. The MT-BBT-208V-240V-62.5A single-phase buck […]
Three-phase step-up buck and boost transformer for indoor and outdoor use.
Larson Electronics announced the release of a three-phase step-up buck and boost transformer for indoor and outdoor use. This 4.69-amp unit provides protection against critical equipment failures and isolates the power source from the connected device for added protection. This unit carries a 2.21 kVA rating and a primary voltage of 240V Delta. The MT-BBT-240D-270D-3P-4.69A three-phase […]
Miniature surface-mount gate drive transformers qualified for automotive use
TT Electronics announced the introduction of its HA42A and HA86A Series gate drive transformers for the automotive and industrial markets. These miniature surface mount design (SMD) solutions are ideal for high-efficiency Battery Management System applications where size and reliability are critical. HA42A and HA86A gate drive transformers are used in space-constrained scenarios to deliver controlling […]
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