ASSR-302C-502E Overview
The ASSR-302C-502E is a high-performance solid-state relay designed for industrial automation and control applications. Featuring an optically isolated input and a MOSFET output, it delivers fast switching speeds and low on-resistance, ensuring efficient power management. This device supports a wide operating voltage range and provides reliable electrical isolation, making it ideal for safety-critical environments. With its compact package and robust design, the product offers excellent integration capabilities for engineers seeking dependable, space-saving solutions. For detailed specifications and sourcing, visit IC Manufacturer.
ASSR-302C-502E Technical Specifications
| Parameter | Specification |
|---|---|
| Input LED Forward Current | 20 mA (max) |
| Input Forward Voltage | 1.15 V (typical) |
| Output Load Voltage (max) | 60 V |
| Output Load Current (max) | 2 A |
| Isolation Voltage (peak) | 3750 Vrms |
| Output On-Resistance | 0.35 ?? (typical) |
| Turn-On Time | 0.1 ms (typical) |
| Operating Temperature Range | -40??C to +100??C |
ASSR-302C-502E Key Features
- Optical Isolation: Delivers 3750 Vrms isolation voltage, ensuring safe separation between input and output circuits for enhanced system protection.
- MOSFET Output Stage: Provides low on-resistance of 0.35 ??, reducing power loss and heat generation during operation, which improves overall efficiency.
- High Load Current Capability: Supports up to 2 A continuous load current, enabling control of medium power devices without additional components.
- Fast Switching Times: Typical turn-on time of 0.1 ms allows for rapid response in timing-critical industrial applications.
ASSR-302C-502E Advantages vs Typical Alternatives
This solid-state relay offers superior electrical isolation and lower on-resistance compared to typical mechanical relays, enhancing system reliability and reducing energy losses. Its compact footprint and fast switching speed provide integration advantages in space-constrained and high-speed control circuits. Additionally, the absence of moving parts minimizes wear and extends operational life, making it a robust solution for demanding industrial environments.
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Typical Applications
- Industrial automation control systems requiring reliable isolation and efficient switching to manage motors, heaters, and solenoids with minimal maintenance.
- Power supply switching in instrumentation and measurement equipment where noise immunity and precision control are essential.
- Building automation for lighting and HVAC systems, offering silent operation and enhanced electrical safety.
- Medical device circuits that need high isolation voltage and low leakage currents to protect sensitive patient equipment.
ASSR-302C-502E Brand Info
Manufactured by a leading semiconductor supplier, this product exemplifies advanced optoelectronic design and quality manufacturing standards. The device is part of a comprehensive portfolio aimed at industrial, medical, and commercial applications where reliability and performance are critical. The brand is recognized for delivering components that meet stringent safety and environmental regulations, ensuring peace of mind for engineers and sourcing specialists worldwide.
FAQ
What type of isolation does this relay provide and why is it important?
The device uses optical isolation, delivering a peak isolation voltage of 3750 Vrms. This isolation ensures that the input control circuit is electrically separated from the output load, protecting sensitive components and personnel from high voltages and noise interference.
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Can this relay handle inductive loads such as motors or solenoids?
Yes, the relay supports a maximum continuous load current of 2 A, making it suitable for switching medium power inductive loads like motors and solenoids. However, engineers should consider appropriate snubber circuits to protect against voltage spikes generated by inductive loads.
What are the advantages of MOSFET output compared to traditional mechanical relays?
MOSFET output devices provide faster switching speeds, lower on-resistance, and no mechanical wear, resulting in higher reliability and longer service life. They also operate silently and generate less heat, improving overall system efficiency.
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What is the typical operating temperature range for this component?
The relay is specified to operate reliably between -40??C and +100??C, allowing it to function effectively in harsh industrial environments with wide temperature variations.
How does the low on-resistance of 0.35 ?? benefit the end application?
Low on-resistance reduces voltage drop and power dissipation during conduction, which leads to lower heat generation and higher energy efficiency. This characteristic helps maintain system stability and reduces cooling requirements in compact designs.
