ASSR-322R-002E Overview
The ASSR-322R-002E is a high-performance solid state relay designed for industrial and automation applications requiring reliable electrical isolation and efficient switching. This device incorporates phototransistor output technology, providing low input current and high sensitivity for precise control in demanding environments. Its compact SOP-4 package supports space-saving PCB designs while ensuring excellent electrical insulation between input and output circuits. Manufactured by IC Manufacturer, this relay offers a robust solution for engineers seeking durable, low-noise, and fast-switching components suitable for signal and power isolation tasks.
ASSR-322R-002E Technical Specifications
| Parameter | Specification |
|---|---|
| Input Forward Current (IF) | 10 mA (typical) |
| Output Collector-Emitter Voltage (VCEO) | 80 V max |
| Isolation Voltage (Viso) | 3750 Vrms (minimum) |
| Output Collector Current (IC) | 50 mA max |
| Input-Output Isolation Capacitance | 0.6 pF (typical) |
| Operating Temperature Range (Ta) | -40??C to +100??C |
| Response Time (Turn-on/off) | 1 ms / 0.3 ms |
| Package Type | SOP-4 surface mount |
ASSR-322R-002E Key Features
- High isolation voltage: With a minimum 3750 Vrms isolation, it ensures robust electrical separation between input and output, critical for safety and noise immunity.
- Low input current requirement: The device operates effectively with a typical forward current of just 10 mA, reducing power consumption on control circuits.
- Compact SOP-4 package: Supports efficient PCB layout and space saving, making integration into tight industrial designs straightforward.
- Fast switching times: Turn-on and turn-off times of 1 ms and 0.3 ms respectively enable responsive control in automation and signal processing applications.
- Minimal input-output capacitance: Low coupling capacitance of 0.6 pF reduces signal distortion and crosstalk in sensitive applications.
- Wide operating temperature range: Ensures reliable operation in harsh industrial environments from -40??C to 100??C.
- Phototransistor output: Provides linear switching with low output saturation voltage, enhancing signal fidelity and minimizing heat generation.
ASSR-322R-002E Advantages vs Typical Alternatives
Compared to typical mechanical or other solid state relays, this device offers superior isolation voltage and lower input current requirements, enhancing energy efficiency and safety in industrial systems. Its fast response and low input-output capacitance improve signal integrity and reduce electromagnetic interference, making it ideal for precision control. The compact package and wide temperature tolerance further distinguish it as a reliable, space-efficient solution for demanding environments.
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Typical Applications
- Industrial automation systems requiring reliable signal isolation and fast switching for control logic and sensor interfacing, ensuring precise operation and equipment safety over extended temperature ranges.
- Test and measurement equipment where low input current and minimal signal distortion are essential to maintain measurement accuracy and reduce noise.
- Telecommunication devices needing electrical isolation to protect sensitive circuitry from voltage spikes and ground loops while maintaining fast data switching.
- Consumer electronics that benefit from compact size and high isolation for safe and efficient switching in power management circuits.
ASSR-322R-002E Brand Info
This product is part of a series of advanced solid state relays offered by a leading manufacturer specializing in optoelectronic components. The ASSR-322R-002E reflects the brand??s commitment to quality, combining proven phototransistor technology with rigorous manufacturing standards. Designed for demanding industrial applications, the relay supports robust electrical isolation and precise switching performance while maintaining energy efficiency and compactness. This focus on innovation and reliability positions the product as a trusted choice for engineers and system designers worldwide.
FAQ
What is the primary function of this solid state relay?
The device provides electrical isolation between input control signals and output load circuits using optoelectronic components, enabling safe and reliable switching without mechanical wear or contact bounce, ideal for industrial and automation applications.
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How does the isolation voltage benefit system design?
The high isolation voltage rating of 3750 Vrms ensures that the input and output circuits remain electrically separated, protecting sensitive control electronics from high voltage surges and noise, which enhances overall system safety and reliability.
Can this relay operate in harsh environments?
Yes, it supports a wide operating temperature range from -40??C to +100??C, making it suitable for use in industrial and outdoor environments where temperature fluctuations and harsh conditions are common.
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What are the advantages of the phototransistor output in this device?
The phototransistor output offers linear switching characteristics with low saturation voltage, resulting in efficient operation with reduced heat dissipation and improved signal integrity compared to relay types with mechanical contacts.
Is the device compatible with low-power control circuits?
Yes, the device requires a low forward input current, typically around 10 mA, making it compatible with low-power microcontrollers and logic circuits, which helps reduce overall system power consumption.