Summary of PHOTORELAY OFFERS 1.2-A ON-STATE CURRENT RATING
The TLP4590A photorelay from Toshiba Electronics offers a compact, reliable alternative to mechanical relays, featuring a 1.2-A on-state current rating and 60-V off-state voltage. Packaged in DIP6, it improves sensitivity with a low 2 mA trigger LED current. Ideal for building automation, industrial equipment, and harsh environments due to its 5,000 Vrms isolation voltage and -40°C to 110°C operational range, it suits applications like HVAC, security systems, PLCs, and sensor controls.
Parts used in the TLP4590A Photorelay Project:
- TLP4590A Photorelay (DIP6 package)
- Trigger LED
- Programmable Logic Controllers (PLCs) (application context)
- I/O Interface Components (application context)
- Sensor Control Hardware (application context)
With enhanced sensitivity, this photorelay provides engineers with a more convenient and reliable alternative to conventional mechanical relays.
Toshiba Electronics Europe GmbH has further strengthened its extensive optoelectronics portfolio with the introduction of a new photorelay. Supplied in a compact DIP6 package, the TLP4590A provides engineers with a more convenient and reliable alternative to conventional mechanical relays. This 1-Form-B (normally closed) photorelay has an on-state current rating of 1.2-A, which represents a 140% improvement on the company’s previous-generation TLP4176A device. In addition, it has a 60-V off-state output terminal voltage rating. Its sensitivity is enhanced thanks to the low trigger LED current of 2 mA (maximum) exhibited.
Among the key applications for these photorelays are those relating to building automation – including heating, ventilation, air conditioning and security systems, as well as fire alarms. They can also be used in various forms of industrial equipment, such as programmable logic controllers (PLCs), I/O interfaces and sensor control hardware. Their 5,000 Vrms (minimum) isolation voltage allows them to be employed in situations where elevated levels of insulation performance are required, while support for a -40°C to 110°C operational temperature range enables them to be installed within harsh environments.
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