ASSR-322R-302E Overview
The ASSR-322R-302E is a high-performance solid-state relay optimized for precise control and reliable isolation in industrial and automation systems. Designed for low input current and high load voltage handling, it ensures efficient switching with minimal power loss. Its compact, low-profile package supports ease of integration in space-constrained designs, while the built-in zero-crossing detection enhances operational stability and reduces electromagnetic interference. Suitable for a wide range of applications, this relay combines durability with fast response times, delivering dependable performance for demanding environments. For further details, visit IC Manufacturer.
ASSR-322R-302E Technical Specifications
| Parameter | Specification |
|---|---|
| Input Control Voltage | 3 to 32 V DC |
| Output Load Voltage | 24 to 280 V AC |
| Output Current Rating | 0.3 A (RMS) |
| Isolation Voltage | 4000 Vrms (Input to Output) |
| Turn-On Time | 1 ms (typical) |
| Turn-Off Time | 1 ms (typical) |
| Zero-Cross Detection | Integrated |
| Operating Temperature Range | -40??C to +100??C |
| Input Current | 7 mA (typical at 5 V) |
| Package Type | 4-pin DIP |
ASSR-322R-302E Key Features
- Zero-cross switching: Reduces inrush current and electromagnetic interference, improving circuit longevity and noise immunity.
- High input-output isolation: Ensures safe operation in sensitive control systems by providing 4000 Vrms isolation between input and output.
- Low input current requirement: Minimizes power consumption on the control side, enabling efficient system design with less strain on microcontrollers or logic circuits.
- Compact 4-pin DIP packaging: Facilitates easy PCB integration and supports automated assembly processes for industrial applications.
ASSR-322R-302E Advantages vs Typical Alternatives
The device offers superior electrical isolation and low input current compared to typical electromechanical relays, enhancing system safety and efficiency. Its zero-cross detection reduces switching noise and prevents load stress, contributing to longer operational life. Additionally, the compact DIP form factor simplifies integration into existing industrial control boards without compromising performance.
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Typical Applications
- Industrial automation control systems requiring reliable AC load switching with galvanic isolation, such as motor controllers and heater regulation circuits.
- Signal switching in measurement and instrumentation devices where precise on/off control reduces interference and improves accuracy.
- Building automation systems for lighting and HVAC control that demand silent operation and low power consumption.
- Telecommunication equipment for isolated switching functions, ensuring electrical safety and noise immunity in sensitive circuits.
ASSR-322R-302E Brand Info
This solid-state relay is part of a well-established product line known for robust performance and reliability in industrial environments. The brand emphasizes stringent quality control and advanced semiconductor technologies to deliver components that meet the rigorous demands of automation, instrumentation, and control applications. With a focus on durability and precision, the relay supports enhanced system safety and operational efficiency across diverse sectors.
FAQ
What is the maximum load voltage supported by this solid-state relay?
The relay is rated for load voltages ranging from 24 up to 280 V AC, making it suitable for a wide variety of AC switching applications in industrial and commercial systems.
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How does the zero-cross detection feature benefit my application?
Zero-cross detection allows the relay to switch loads when the AC voltage crosses zero, minimizing inrush current and electromagnetic interference. This feature helps extend the life of connected components and reduces noise in sensitive circuits.
What level of input-output isolation does the device provide?
The device offers a high isolation voltage of 4000 Vrms between input and output, ensuring safe separation of control and load circuits and protecting sensitive electronics from high voltages.
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Can this relay be used in temperature extremes?
Yes, it operates reliably within a temperature range of -40??C to +100??C, making it suitable for harsh industrial environments and outdoor applications.
What are the benefits of the low input current specification?
The low input current requirement reduces power consumption on the control side and allows direct interfacing with low-power control devices such as microcontrollers, improving overall system efficiency.