Vishay Intertechnology, Inc. introduced five new 10 MBd high-speed optocouplers that provide low power consumption to save energy in industrial applications. Featuring a wide voltage supply range of 2.7 V to 5.5 V and an open collector output, the single-channel VOH260A, VOIH060A, and VOWH260A, and dual-channel VOH263A and VOIH063A enable usage with low voltage microcontrollers and I²C and SPI bus systems. Offered […]
optocouplers
AEC-Q102-qualified linear optocoupler feature isolation voltage of 5300 Vrms
Vishay Intertechnology, Inc. introduced the industry’s first AEC-Q102 qualified linear optocoupler. Offering industry-high isolation voltage of 5300 Vrms, the Vishay Semiconductors VOA300 provides a response time that is five times faster than competing devices, while delivering increased transfer gain stability of ± 0.005 %/°C typical and a single-ended output for design flexibility. The Automotive Grade device […]
Optocouplers foster safe circuit isolation
Würth Elektronik has expanded its optoelectronic portfolio with optocouplers in all common packages and CTR (Current Transfer Ratio) values. This includes the WL-OCPT series of phototransistor optocouplers in DIP-4, SOP-4, and LSOP-4 packages. The WL-OCDA Darlington optocoupler series is available as DIP-4 and SOP-4. These different packages are also available in a range of lead frame varieties. […]
Phototransistor-type optocouplers offer signal transmission with galvanic isolation
With its new WL-OCPT Series 816 product family, Würth Elektronik offers phototransistor-type optocouplers for the first time. These coplanar design optocouplers consist of an infrared LED on the input side and a phototransistor on the output side. They are characterized by a high insulation voltage of 5 kV and a stable current transfer ratio (CTR) […]
Optocouplers offer 800 V off-state voltage in flat SOP-4 package
Vishay Intertechnology, Inc. has broadened its optoelectronics portfolio with the release of two new optocouplers with a phototriac output in the compact flat SOP-4 package. Featuring high off-state voltage of 800 V and dV/dt of 1000 V/μs, the Vishay Semiconductors VOT8024AM and VOT8121AM deliver high robustness and noise isolation for home appliances and industrial equipment. The optocouplers announced […]
Optocouplers, Part 1: Principles and usefulness
The optocoupler — also called an optoisolator — is among the most useful, versatile, problem-solving components available to the design engineer. This small non-monolithic device does one thing and does it well, with minimal complications in most cases and no software. This FAQ will look at the operation principles, key parameters, and applications of this […]
