Overview of ILQ74 by Vishay Intertechnologies
The ILQ74 by Vishay Intertechnologies is a transistor output optocoupler featuring a four-element design capable of operating with a maximum isolation voltage of 5300V. Housed in a DIP-16 package, it supports four channels of optocoupling and ensures reliable signal transfer between circuits while maintaining electrical isolation. The part has a forward current of up to 60 mA and a collector-emitter voltage of 20V. It is designed for through-hole mounting and boasts compliance with RoHS, underlined by its lifecycle status as obsolete, indicating that it may be harder to procure in new product designs but remains in use for maintenance of existing applications or specific legacy designs.
The ILQ74 has a minimum current transfer ratio of 12.5% and can reach up to approximately 35% under nominal conditions, providing efficient coupling while maintaining a stable operation across a wide temperature range from -55°C to 100°C. Approved by VDE (Verband der Elektrotechnik, one of the largest technical-scientific associations in Europe, this optocoupler ensures adherence to high safety and quality standards.
Industry Applications for ILQ74
The ILQ74 is suited for several high-reliability environments where robust isolation is necessary to shield sensitive components from high voltages or to bridge different voltage domains safely. The following are illustrative potential applications in various industries:
- Renewable Energy: In solar energy systems, inverters might potentially use optocouplers like the ILQ74 to isolate control signals from high-voltage power circuits, ensuring the safety and operational integrity of microcontrollers.
- Aerospace and Defense: Aircraft may utilize such optocouplers in their control systems to isolate signals between essential navigational or operational systems and the main control boards, considering its high isolation voltage and strict compliance to safety standards.
- Industrial Automation: Within automated systems on factory floors, the need for components that can prevent electronic noise and electrical interference is critical. The ILQ74 could be used to protect logic level circuits from higher voltage load circuits in such environments.
Note that these potential industry applications are only conceptual/illustrative and require analysis and verification by engineering and design teams for adherence to industry standards and specific application requirements.
About Vishay Intertechnologies
Vishay Intertechnologies, a well-recognized name in the field of optoelectronics, produces a range of optocouplers among other electronic components. Specializing in semiconductor and passive component manufacturing, Vishay provides products that cater to a wide range of applications across multiple industries. The ILQ74 is a testament to Vishay’s commitment to offering components that are both robust and high-performing. Vishay’s portfolio also contains various other optocouplers, which serve similar purposes but may feature different ratings and characteristics suitable for diverse applications and requirements.
Where to Find ILQ74 by Vishay Intertechnologies
The ILQ74 can primarily be sourced through findchips.com, a reliable platform for comparing component prices and availability from numerous distributors. For those looking to purchase or evaluate alternative optocoupler options, various manufacturers including Vishay offer components that might meet similar specifications. The ILQ74 has been historically available from distributors like ComSIT USA, Quest Components, Bristol Electronics, Verical, Arrow Electronics, and Newark. However, potential buyers should check the current stock levels and pricing details on findchips.com to get the most updated information.