ASSR-3220-002E Overview
The ASSR-3220-002E is a compact solid-state relay designed for industrial control and automation applications, offering high electrical isolation and reliable switching performance. Featuring a robust photodiode and MOSFET output stage, it ensures low on-state resistance and fast switching times, ideal for precise and efficient load control. This device supports input voltages from 3 to 32 VDC and is capable of handling loads up to 2 A, making it suitable for a wide range of control scenarios. With reinforced insulation and high surge capability, it meets stringent safety standards for industrial environments. For detailed technical data, please refer to IC Manufacturer.
ASSR-3220-002E Technical Specifications
| Parameter | Value | Unit |
|---|---|---|
| Input Control Voltage (Operating) | 3 to 32 | V DC |
| Output Current (Maximum Load) | 2 | A |
| Output Voltage (Maximum) | 60 | V AC/DC |
| Isolation Voltage (Reinforced Insulation) | 4000 | V RMS |
| On-State Resistance (Typical) | 0.3 | ?? |
| Switching Time (Turn-On) | 0.3 | ms |
| Switching Time (Turn-Off) | 0.2 | ms |
| Operating Temperature Range | -40 to +100 | ??C |
| Input Current (Typical) | 5 | mA |
ASSR-3220-002E Key Features
- Reinforced galvanic isolation: Provides up to 4000 V RMS isolation between input and output, ensuring operator safety and protection of sensitive control circuitry in harsh industrial environments.
- Low on-state resistance: Minimizes power dissipation and heat generation, enhancing energy efficiency and reliability during continuous operation of loads up to 2 A.
- Wide input voltage range: Supports control signals from 3 V to 32 V DC, allowing flexible interfacing with various logic levels and microcontrollers.
- Fast switching times: With turn-on and turn-off times under 0.5 ms, it is well-suited for responsive control systems requiring quick actuation.
- Compact surface-mount package: Enables high-density PCB designs, saving space without compromising performance.
- High surge current capability: Supports transient currents up to specified limits, ensuring robustness against inrush currents from inductive loads.
- Wide operating temperature range: Reliable operation from -40 ??C to +100 ??C suits demanding industrial and automotive environments.
ASSR-3220-002E Advantages vs Typical Alternatives
This solid-state relay offers significant advantages over traditional electromechanical relays and other SSRs by combining high isolation voltage with low on-state resistance, which reduces energy losses and heat generation. Its fast switching speeds and compact footprint improve system response times and enable space-saving designs. The wide input voltage range and robust surge capability further enhance reliability, making it a superior choice for demanding industrial automation applications.
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Typical Applications
- Industrial automation control: Ideal for switching sensors, actuators, and small motors where high isolation and fast switching are critical to ensure safe and efficient operation.
- Programmable logic controllers (PLCs): Used for precise and reliable digital output control without mechanical wear.
- Signal isolation and switching in medical and test equipment requiring reinforced insulation and low noise interference.
- Building automation systems: Controls lighting, HVAC, and safety devices with minimal power consumption and enhanced durability.
ASSR-3220-002E Brand Info
The ASSR-3220-002E is a product designed and manufactured by a leading semiconductor supplier specializing in optoelectronic components and solid-state relays. This relay series is known for high-quality construction, meeting international safety standards such as reinforced insulation and UL approvals. Its design focuses on providing engineers with reliable, efficient, and versatile switching solutions for industrial and commercial electronic applications.
FAQ
What is the maximum load current that this solid-state relay can handle?
This device supports a maximum continuous load current of 2 A, making it suitable for switching moderate power loads such as small motors, heaters, or solenoids in industrial control circuits.
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How does the isolation voltage rating affect safety in industrial applications?
The relay??s reinforced insulation provides an isolation voltage of 4000 V RMS, which ensures safe separation between the low-voltage input control side and the high-voltage output load side. This protects users and sensitive electronics from electrical faults and surges.
What is the typical on-state resistance and why is it important?
The typical on-state resistance is around 0.3 ??, which affects the amount of power dissipated as heat during operation. Lower resistance means higher efficiency and less thermal stress on the relay, improving longevity and reliability.
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Can this relay be used with low-voltage microcontroller outputs?
Yes, the input control voltage range starts from 3 V DC, allowing direct interfacing with common microcontroller I/O pins without the need for additional driver circuits.
What environmental conditions can the device operate under?
This relay is designed to operate reliably across a wide temperature range from -40 ??C to +100 ??C, making it suitable for harsh industrial environments, including outdoor and automotive applications.
