Part 1 of this FAQ reviewed the standard PN semiconductor diode, and looked at some specialized variations called the tunnel, Zener/avalanche, and Schottky diodes. Part 2 briefly explores the varactor, Gunn, and PIN diodes. Q: What about the varactor diode? A: The varactor diode (Figure 1), also called a voltage variable capacitor (VVC) or varicap […]
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 […]
More options for SiC Schottky 1200-V diodes
Infineon Technologies AG is extending the CoolSiC Schottky 1200 V G5 diode portfolio with the release of a TO247-2 package. It can easily replace silicon diodes for higher efficiency. The expanded 8.7 mm creepage and clearance distances offer extra safety in high-pollution environments. Forward currents up to 40 A are available to address EV DC […]
Power SiC components include 600-V MOSFETs, 600/1,200-V Schottky barrier diodes
Demand is growing for SiC power products that improve system efficiency, robustness and power density in automotive, industrial and aerospace and defense applications. Microchip Technology Inc., via its Microsemi subsidiary, today announced the production release of a family of SiC power devices that offer proven ruggedness and the performance benefits of wide-bandgap technology. Complemented by Microchip’s broad range […]
Panasonic transfers diode, transistor products to Rohm
ROHM today announced the acquisition of a part of the diode and transistor business from Panasonic Semiconductor Solutions Company, a Group Company of Panasonic Corp. The transfer is scheduled for October 2019 with ROHM handling sales of these products to Panasonic’s current customers thereafter.n Since the 1960s, ROHM has been developing, producing and selling semiconductor […]
650 V SiC Schottky diodes are AEC-Q101-qualified
Littelfuse, Inc. introduced two second-generation series of 650V, AEC-Q101-qualified silicon carbide (SiC) Schottky Diodes. The LSIC2SD065CxxA and LSIC2SD065AxxA Series SiC Schottky Diodes are available with a choice of current ratings (6A, 8A, 10A, 16A or 20A). They offer power electronics system designers a variety of performance advantages, including negligible reverse recovery current, high surge capability, and […]
Next-gen SiC diode targets renewable energy, EVs
Wolfspeed, A Cree Company, has introduced the 5th generation (C5D) 1700V SiC Schottky diode, which is optimized for renewable energy, industrial power and electric vehicle charging applications including solar power and wind turbine inverters, off-board chargers and uninterruptible power supply (UPS). The 1700V C5D is commercially available in both bare die and package formats, providing designers […]
Low capacitance diode arrays extends breakdown voltage range from 3.3V to 36V
Littelfuse, Inc. today introduced the first of a series of bidirectional TVS Diode Arrays (SPA Diodes) designed to protect high-end consumer and wearable electronics from damaging ESD-generating events. The SP1333-01UTG, the first TVS Diode Array in the SP1333 Series, with a breakdown voltage 3.3V, incorporates back-to-back diodes fabricated using a proprietary silicon avalanche technology. This back-to-back configuration […]
Sager Electronics to distribute Traco Power TSM 200 ac-dc supplies
Sager Electronics is now stocking Traco Power’s TXM 200 series compact 200 W power supplies. The TXM 200 series is a family of 200 W encased AC/DC power supplies designed for cost critical applications. It extends the existing TXM series which ranged from 15 to 150 Watt with an additional 200 Watt series. With a compact metal […]
Power Electronics Top Talks in October 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 Y2 capacitors downstream of common mode choke – We have seen a report detailing that Y capacitors in an offline SMPS should […]
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