ASSR-4111-301E Overview
The ASSR-4111-301E is a high-performance solid-state relay designed for industrial automation and control systems. Featuring a compact footprint and robust electrical isolation, it enables efficient switching of AC loads up to 1 A with minimal power consumption. This device integrates an optocoupler and output MOSFET, providing reliable signal transfer and enhanced noise immunity. Its fast switching capabilities and low thermal dissipation make it ideal for demanding industrial environments. For more detailed technical resources and support, visit IC Manufacturer.
ASSR-4111-301E Technical Specifications
| Parameter | Specification |
|---|---|
| Input Control Current | 7 mA (typical) |
| Output Load Voltage | 280 V AC (max) |
| Output Load Current | 1 A (max) |
| Isolation Voltage (Input to Output) | 2500 Vrms |
| Turn-on Time | 0.5 ms (typical) |
| Turn-off Time | 0.5 ms (typical) |
| Operating Temperature Range | -40??C to +100??C |
| Output Type | Photovoltaic MOSFET |
| Package Type | 4-pin SOP |
ASSR-4111-301E Key Features
- High isolation voltage: The 2500 Vrms input-to-output isolation ensures safe operation in noisy industrial environments, protecting sensitive control circuits.
- Low input control current: With a typical input current of 7 mA, it reduces power consumption and simplifies interface requirements for microcontrollers and PLCs.
- Fast switching speed: Turn-on and turn-off times of about 0.5 ms enable efficient load control, improving system response and reducing heat generation.
- Compact 4-pin SOP package: The small footprint allows easy integration into dense PCB layouts, saving board space in industrial control modules.
- Photovoltaic MOSFET output: Provides noiseless switching without mechanical wear, increasing reliability and lifespan compared to mechanical relays.
ASSR-4111-301E Advantages vs Typical Alternatives
This solid-state relay offers superior isolation and faster switching compared to traditional mechanical relays, enhancing system reliability. Its low input current reduces power load on control devices, while the photovoltaic MOSFET output eliminates contact bounce and noise. Additionally, compact packaging and high temperature tolerance deliver better integration and durability in industrial applications, making it a preferred choice over electromechanical solutions.
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Typical Applications
- Industrial automation systems requiring efficient AC load switching with electrical isolation, such as motor control and conveyor systems, benefit from this device??s reliable performance and compact size.
- Programmable logic controllers (PLCs) that need low-power control signal interfaces for switching AC loads use this relay to enhance system efficiency and reduce maintenance.
- Home appliances and HVAC equipment employ solid-state relays like this to achieve silent operation and reduce electromagnetic interference.
- Signal isolators and interface modules integrate this device to safely separate input control circuits from high-voltage AC outputs, ensuring user and equipment protection.
ASSR-4111-301E Brand Info
The ASSR-4111-301E is part of a product line developed by a leading semiconductor manufacturer specializing in optoelectronic components. This solid-state relay series is engineered to meet stringent industrial standards, combining cutting-edge optocoupler technology with efficient MOSFET output stages. Designed for demanding environments, the brand emphasizes reliability, safety, and high performance, supporting engineers and system integrators in deploying robust control solutions across a variety of industrial sectors.
FAQ
What is the maximum load voltage supported by the ASSR-4111-301E?
The device supports a maximum output load voltage of 280 V AC, making it suitable for a wide range of industrial AC load switching applications while maintaining safety and performance standards.
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How does the isolation voltage of 2500 Vrms benefit industrial systems?
The 2500 Vrms isolation voltage provides effective electrical separation between input and output circuits, protecting sensitive control electronics from high-voltage spikes and noise commonly found in industrial environments.
Can the ASSR-4111-301E switch DC loads as well as AC?
This relay is primarily designed for AC load switching, utilizing photovoltaic MOSFET output optimized for AC signals. For DC load applications, different solid-state relays or modules are typically recommended.
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What are the thermal characteristics and operating temperature range of this solid-state relay?
The device operates reliably within a temperature range of -40??C to +100??C, suitable for harsh industrial conditions, and features low thermal dissipation due to its efficient internal design.
How does the low input control current impact system design?
With a typical input control current of only 7 mA, the relay reduces the power consumption of the driving circuitry. This allows easier interface with low-power microcontrollers and reduces the need for additional driver components.