Vishay – Apples to apples? Considerations when substituting polymer and tantalum capacitors for MLCCs


By Craig Hunter, Senior Director, Global Marketing Communications and Dave Richardson, Senior Manager of Field Applications, Vishay Intertechnology OEMs are today suffering from shortages of Multi-Layer Ceramic Capacitors (MLCCs), especially for devices in large case sizes and in high capacitance values. This has led them to evaluate the polymer tantalum capacitor as an alternative for […]

Vishay – Fast proximity sensor eliminates DACs to lower system cost


Vishay’s TSSP4056 Infrared (IR) sensor provides fast proximity sensing performance at a low system cost thanks to an architecture which requires no DAC to drive the IR emitter. The Vishay Semiconductors part is the industry’s first fixed-gain sensor containing a band-pass filter tuned to 56kHz to feature a monotonic sensitivity-versus-frequency response curve from 30kHz to […]

Vishay – Automotive-grade optocoupler provides 3.75kV of isolation


Vishay Intertechnology has launched its first automotive-grade phototransistor optocoupler, the VOMA617A. The VOMA617A consists of an infrared LED optically coupled to a silicon phototransistor. It is housed in a compact SOP-4 mini-flat package, which occupies 30% less PCB space than a standard DIP-4 optocoupler package. The device provides 3,750V isolation voltage, and a creepage and […]

Vishay – Automotive-grade three- and four-channel IR transmissive sensors for position-measurement encoders


The TCUT1630X01 and TCUT1800X01 from Vishay are compact transmissive sensors which include Infrared (IR) emitters and photo-transistor detectors located face-to-face in a surface-mount package. The sensor can detect the position of an object such as an optical codewheel moving between the arms of the device. The surface-mount TCUT1630X01 and TCUT1800X01 each measure 5.5mm x 5.9mm […]

Vishay – Demo kit enables rapid evaluation of light, colour and proximity sensors


The SensorXplorer™ is a demonstration kit for evaluating the Vishay digital sensors featured on sensor boards provided by Vishay. These boards, along with their respective software modules, can be used to demonstrate and test each sensor’s functions, allowing the user to quickly understand how various settings affect the sensor’s outputs. The SensorXplorer board includes a […]

Vishay – 60V MOSFETs operate reliably at temperatures up to 175°C


Vishay supplies a broad portfolio of 60V MOSFETs for use in power converter and inverter applications. They include the SUM50020EL from the Vishay range of rugged MOSFETs, which features a maximum operating temperature of 175°C. A TrenchFET® power MOSFET, its gate can be driven with the logic-level drive current available from a microcontroller. It is […]

Vishay – Fast rectifier diode modules provide excellent thermal efficiency


Vishay supplies a series of diode modules housed in a low-profile SOT-227 package which feature lower thermal resistance than previous generations of modules. Based on Vishay FRED Pt® and HEXFRED® ultra-fast diodes, the VS series modules provide very soft recovery characteristics. They are easy to integrate into power converter and inverter designs, and may be […]

Vishay – Synchronous buck regulators offer high efficiency over wide input-voltage range


The SiC46x series of synchronous buck regulators from Vishay operates over a very wide input-voltage range of 4.5V to 60V and provides an output current of up to 10A with high conversion efficiency. The SiC46x regulators include integrated high- and low-side N-channel trench power MOSFETs, and operate at an adjustable switching frequency of up to […]

Vishay – Low-power current-mode controllers support switching frequencies up to 1MHz


The SiP280x family of low-power current-mode controllers from Vishay Siliconix offers flexibility in cost- sensitive power-supply designs. These PWM controllers serve as low-cost building blocks for a broad variety of converters in both offline and DC-DC current-mode switching power supplies. The SiP2800, SiP2801, SiP2802, SiP2803, SiP2804 and SiP2805 are built on a BiCMOS process, and […]