ASSR-4128-302E Overview
The ASSR-4128-302E is a high-performance solid-state relay designed for industrial and automation applications requiring robust electrical isolation and precise control. Featuring a compact 8-pin SO6 package, it provides reliable switching capabilities with zero-cross detection, minimizing electrical noise and enhancing load protection. Its integrated photodiode and MOSFET output ensure fast response times and low output leakage current, making it ideal for AC load switching up to 240 V. Manufactured by a leading IC Manufacturer, this device balances efficiency and durability to meet stringent industrial standards.
ASSR-4128-302E Technical Specifications
| Parameter | Specification |
|---|---|
| Input LED Forward Current (IF) | 10 mA (typical) |
| Output Voltage (AC Load) | 240 V max |
| Output Current (Continuous Load) | 0.12 A (max RMS) |
| Isolation Voltage (Input to Output) | 3750 Vrms |
| Output On-State Voltage | 1.2 V max |
| Zero Crossing Switching | Integrated |
| Response Time (Turn-on/Turn-off) | 1 ms / 1 ms (typical) |
| Operating Temperature Range | -40 ??C to +100 ??C |
| Package Type | 8-pin SO6 Surface Mount |
ASSR-4128-302E Key Features
- Integrated Zero-Cross Detection: Ensures switching occurs at the zero-voltage crossing point, reducing electrical noise and protecting sensitive loads from high inrush currents.
- High Isolation Voltage: Provides up to 3750 Vrms isolation between input and output, essential for safeguarding control circuits from high-voltage spikes and ensuring user safety.
- Low On-State Voltage Drop: Minimizes power dissipation and improves efficiency during operation, contributing to lower thermal stress and longer device lifespan.
- Compact SO6 Package: Facilitates easy PCB integration in space-constrained designs commonly found in industrial automation and control systems.
ASSR-4128-302E Advantages vs Typical Alternatives
This device offers superior electrical isolation and integrated zero-cross switching compared to typical alternatives, which often lack noise suppression features. Its low output voltage drop and fast switching times contribute to enhanced efficiency and reliability in demanding industrial environments. The compact surface-mount package also supports high-density design requirements, making it advantageous for modern electronic control systems.
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Typical Applications
- Industrial automation systems requiring reliable AC load switching with minimal electromagnetic interference, such as motor controls and heating element regulation.
- Home appliances where silent and efficient switching of AC loads enhances performance and user experience.
- Signal isolation in process control equipment, ensuring safe operation and protection of sensitive electronics.
- Lighting control systems that benefit from zero-cross switching to reduce flicker and extend bulb life.
ASSR-4128-302E Brand Info
Produced by a reputable semiconductor manufacturer, the ASSR-4128-302E solid-state relay is engineered to meet rigorous industrial standards. The brand is recognized for delivering reliable optocoupler and relay solutions that combine advanced semiconductor technology with durable packaging. This product exemplifies the company??s commitment to high isolation performance, precise switching control, and seamless integration into industrial automation platforms.
FAQ
What is the maximum load voltage supported by this solid-state relay?
The device supports an AC load voltage up to 240 V, making it suitable for controlling typical industrial and household AC loads while maintaining reliable operation and safety.
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How does zero-cross detection improve relay performance?
Zero-cross detection allows the relay to switch the load when the AC voltage waveform crosses zero volts, dramatically reducing electrical noise, inrush current, and stress on connected components, which enhances overall system reliability.
What is the isolation voltage rating, and why is it important?
With an isolation voltage rating of 3750 Vrms, the relay provides excellent electrical separation between the input control circuit and the output load. This isolation protects sensitive electronics and personnel from high voltage surges and ensures compliance with safety standards.
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Can this relay be used in harsh industrial environments?
Yes, it operates reliably over a wide temperature range from -40 ??C to +100 ??C and features a robust package suitable for industrial conditions, making it ideal for automation and control applications in challenging environments.
What package type is used and how does it affect integration?
The compact 8-pin SO6 surface-mount package allows for efficient PCB space utilization and straightforward automated assembly, facilitating integration into modern electronic designs where size and reliability are critical.
