The TLP785(D4-GRL,F) is a small outline photorelay from Toshiba Semiconductor and Storage. It is designed for applications requiring electrical isolation and low on-resistance. This photorelay consists of an infrared LED optically coupled to a MOSFET, providing a solid-state relay solution with high isolation voltage.

Applications

• Measuring instruments
• Security equipment
• Factory automation (FA) equipment
• Amusement machines
• I/O interfaces for programmable logic controllers (PLCs)

Features

• Small outline package (SOP-4)
• High isolation voltage: 3750 Vrms (minimum)
• Low on-resistance: RON = 2 Ω (typical)
• Normally open (NO) contact
• Operating temperature range: -40°C to +85°C
• Low LED trigger current

Benefits

• Space saving: Small outline package allows for high-density board designs.
• Enhanced safety: High isolation voltage protects sensitive circuits from high voltage transients.
• Low power consumption: Low on-resistance minimizes power dissipation.
• Long life: Solid-state design offers a longer lifespan compared to mechanical relays.
• Fast switching: Provides fast switching speeds for high-frequency applications.

Additional Details

The TLP785(D4-GRL,F) photorelay is commonly used to replace mechanical relays in applications where space, reliability, and switching speed are critical. It provides a bounce-free switching operation, eliminating the contact bounce associated with mechanical relays. The device's low on-resistance minimizes voltage drop and power loss. It is designed to meet industry safety standards for electrical isolation. The photorelay is ideal for use in applications where frequent switching is required. It is lead-free and RoHS compliant.