The Toshiba TLP185 is a small outline photorelay. This device integrates a high-efficiency infrared LED optically coupled to a high-voltage MOSFET, providing electrical isolation between the input and output. It is designed for a wide range of applications requiring solid-state switching with high isolation voltage and low on-resistance.
Applications:
- Programmable Logic Controllers (PLCs): Used as output relays to control external devices.
- Measuring Instruments: Employed in signal switching and isolation for sensitive measurement equipment.
- Security Systems: Utilized in alarm systems and access control systems for reliable switching.
- Industrial Control Systems: Integrated into motor control circuits, solenoid drivers, and other industrial applications.
- Telecommunications Equipment: Used for line switching and isolation in telecom applications.
Features:
- Small Outline Package: Compact design for high-density board mounting.
- High Isolation Voltage: Provides electrical isolation between the input and output circuits (typically 3750 Vrms).
- Low On-Resistance: Minimizes voltage drop across the switch when it is on.
- High Switching Speed: Enables fast switching times for quick response applications.
- Solid-State Reliability: No moving parts for increased reliability and longer lifespan compared to mechanical relays.
- Low Input Control Current: Requires minimal current to activate the switch.
- RoHS Compliant: Complies with Restriction of Hazardous Substances directive.
Benefits:
- Improved System Reliability: Solid-state design enhances reliability and reduces maintenance costs.
- Enhanced Safety: High isolation voltage protects sensitive circuits from high-voltage hazards.
- Space-Saving Design: Small outline package allows for compact system designs.
- Reduced Power Consumption: Low control current and on-resistance minimize power consumption.
- Fast Switching: Enables quick response times in control applications.
Additional Details:
The TLP185 requires a forward current through the input LED to activate the MOSFET switch. The specific forward current and voltage requirements, along with other electrical characteristics, can be found in the product datasheet. It's crucial to consider the maximum load voltage and current ratings when designing with this photorelay to prevent damage. The device is designed for reflow soldering and is compatible with automated assembly processes. The TLP185(GR-TPR,SE(O) indicates a specific tape and reel packaging option.