ASSR-402C-502E Overview
The ASSR-402C-502E is an advanced solid-state relay designed for industrial and automation applications demanding precise, reliable electrical isolation and switching. This device integrates an LED input with a photodiode output, ensuring high-speed response and minimal power consumption. Its compact form factor and robust electrical characteristics make it ideal for systems requiring interference-free signal transmission and enhanced safety. With built-in galvanic isolation, the relay supports efficient control of AC loads up to a specified voltage rating. Engineers and sourcing specialists seeking dependable semiconductor solutions will find this component aligns well with stringent industry standards. For more detailed technical resources, visit IC Manufacturer.
ASSR-402C-502E Technical Specifications
| Parameter | Specification |
|---|---|
| Input LED Forward Current (IF) | 5 mA (typical) |
| Input Forward Voltage (VF) | 1.2 V (typical) |
| Output Type | Photodiode optocoupler |
| Isolation Voltage (VISO) | 5 kV RMS |
| Output Voltage (VOFF) | Max 60 V |
| Output Current (IOUT) | Max 50 mA |
| Response Time | 10 ??s (typical) |
| Operating Temperature Range | -40 ??C to +100 ??C |
| Package Type | 4-pin SOP (Small Outline Package) |
ASSR-402C-502E Key Features
- High Electrical Isolation: Provides 5 kV RMS galvanic isolation, protecting control circuits from high voltages and noise interference, enhancing system safety.
- Fast Switching Speed: Typical response time of 10 microseconds allows for rapid signal transmission in high-speed industrial automation environments.
- Compact Package: The 4-pin SOP packaging enables easy PCB integration with minimal space requirements, suitable for dense industrial control boards.
- Low Input Current: Requires only 5 mA forward current to operate, which reduces power consumption and improves energy efficiency in control systems.
ASSR-402C-502E Advantages vs Typical Alternatives
This relay offers superior isolation voltage and faster response times compared to typical electromechanical relays. Its solid-state design ensures longer operational life, lower electromagnetic interference, and reduced maintenance. The low input current and compact package facilitate easier integration into modern industrial electronics, making it a reliable choice for engineers prioritizing performance and durability in harsh environments.
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Typical Applications
- Industrial automation systems requiring safe and reliable isolation between control and power circuits, ensuring noise immunity and operator safety.
- Signal switching and isolation in programmable logic controllers (PLCs) to maintain signal integrity during complex operations.
- Interface circuits in measurement and instrumentation devices, where precise and fast switching is essential for accurate data acquisition.
- Medical equipment control systems demanding electrical isolation to comply with safety standards and prevent interference.
ASSR-402C-502E Brand Info
The ASSR-402C-502E is part of a product line known for robust optocoupler solutions tailored for industrial applications. Manufactured by a leading semiconductor provider, this device reflects stringent quality and reliability standards. The brand emphasizes innovation in isolation technology, offering components that meet rigorous safety and performance requirements for automation, control, and instrumentation sectors.
FAQ
What is the maximum isolation voltage of this solid-state relay?
The device provides an isolation voltage of 5 kV RMS, ensuring robust galvanic isolation between the input and output circuits. This high level of isolation protects sensitive control electronics from voltage spikes and electrical noise commonly found in industrial environments.
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What type of output does the relay use?
The relay utilizes a photodiode output, which enables fast switching speeds and low output capacitance. This configuration supports efficient signal transmission with minimal delay, critical for applications requiring precise timing and control.
What are the power requirements for the input LED?
The input LED operates typically at a forward current of 5 mA with a forward voltage around 1.2 V. This low current requirement minimizes power consumption and helps maintain energy efficiency in the overall system design.
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Can this relay be used in harsh temperature environments?
Yes, it is rated for operation in temperatures ranging from -40 ??C up to +100 ??C. This wide temperature range makes it suitable for use in demanding industrial and outdoor applications where temperature fluctuations are common.
What are the main benefits of using this relay over traditional electromechanical relays?
Compared to electromechanical relays, this solid-state solution offers faster switching speeds, longer service life due to no mechanical parts, higher immunity to shock and vibration, and reduced electromagnetic interference. These advantages translate into improved reliability and lower maintenance requirements in critical industrial systems.
