ASSR-1520-302E Overview
The ASSR-1520-302E is a high-performance digital output solid state relay designed for industrial and automation applications. This device offers galvanic isolation between input and output, ensuring safe and reliable switching of AC loads up to 300 V. Compact and robust, it integrates advanced zero-cross detection to minimize electrical noise and enhance load protection. With its low input current requirement and high surge voltage tolerance, it delivers efficient operation in demanding environments. Engineers and sourcing specialists will appreciate its stable switching characteristics, long operational life, and compatibility with a wide range of industrial control systems. For detailed specifications, visit the IC Manufacturer website.
ASSR-1520-302E Technical Specifications
| Parameter | Specification |
|---|---|
| Output Type | Photovoltaic MOSFET Relay |
| Input Control Voltage | 3?C32 V DC |
| Output Voltage Range | 24?C300 V AC |
| Output Current (RMS) | 0.5 A |
| Isolation Voltage | 5 kV RMS (Input to Output) |
| Surge Current (Non-Repetitive) | 8 A (10 ms) |
| Turn-On Time | 1.5 ms (typical) |
| Turn-Off Time | 1.5 ms (typical) |
| Operating Temperature Range | -40 to +100 ??C |
| Package Type | 6-pin SOP |
ASSR-1520-302E Key Features
- Galvanic Isolation: Provides 5 kV RMS isolation between input and output, protecting sensitive control electronics from high-voltage spikes.
- Zero Cross Switching: Incorporates zero-cross detection to switch loads only at zero voltage crossing, reducing electrical noise and prolonging load life.
- Low Input Current: Requires minimal input drive current, enabling direct interfacing with low-power control circuits and microcontrollers.
- High Surge Tolerance: Supports non-repetitive surge currents up to 8 A, ensuring reliability under transient load conditions.
ASSR-1520-302E Advantages vs Typical Alternatives
This solid state relay offers superior isolation voltage and enhanced zero-cross switching compared to typical mechanical relays, resulting in lower electromagnetic interference and increased system reliability. Its low input current enables easier integration with modern low-power control systems. Additionally, the compact package and high surge current capability deliver robust performance in industrial environments where space and durability are critical.
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Typical Applications
- Industrial automation systems requiring reliable AC load switching with electrical isolation, such as motor controls and heater circuits.
- Building automation for lighting control and HVAC systems where silent operation and long life are essential.
- Signal switching in instrumentation where isolation and noise reduction are critical to measurement integrity.
- Consumer appliance control boards demanding compact, efficient, and durable relay solutions.
ASSR-1520-302E Brand Info
This product is part of the ASSR series developed by a leading semiconductor manufacturer specializing in optoelectronic components and solid state relays. The series is known for combining advanced MOSFET technology with optical isolation to deliver reliable and efficient switching solutions. The ASSR-1520-302E model exemplifies the brand??s commitment to quality, safety, and performance in demanding industrial and commercial applications.
FAQ
What is the maximum load voltage supported by this solid state relay?
The maximum load voltage supported is 300 V AC, making it suitable for a wide range of industrial AC switching applications up to this voltage level.
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How does the zero-cross switching feature benefit system performance?
Zero-cross switching activates the relay output when the AC load voltage crosses zero volts. This reduces electrical noise, minimizes inrush current, and protects both the relay and the connected load, enhancing overall system reliability.
What is the typical input current required to activate the device?
The input control current is low and typically within the range of a few milliamps, allowing direct interfacing with low-power digital outputs and microcontrollers without additional driver circuitry.
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Can this device handle surge currents from inductive loads?
Yes, it supports a non-repetitive surge current of up to 8 A for 10 milliseconds, which helps it withstand transient conditions commonly seen with inductive load switching.
What operating temperature range is supported for reliable operation?
The device operates reliably within a temperature range of -40 ??C to +100 ??C, making it suitable for harsh industrial and outdoor environments.
