ASSR-301C-503E Overview
The ASSR-301C-503E is a high-performance solid-state relay designed for industrial applications requiring reliable and fast switching of AC loads. Featuring a compact 6-pin SO6 package, this device delivers galvanic isolation between input and output, ensuring safe operation in sensitive control circuits. With a nominal input control current of 5 mA and an output rating suitable for 1 A load current at 240 VAC, it offers robust performance with minimal power consumption. The device??s zero-cross switching function minimizes electromagnetic interference and switching noise, making it ideal for automation, industrial controls, and instrumentation. For detailed specifications and procurement, visit 集成电路制造商.
ASSR-301C-503E Technical Specifications
| 参数 | 价值 | 单位 |
|---|---|---|
| Input Control Current (IF) | 5 | mA (typical) |
| Output Load Current (IL) | 1 | A (max) |
| Output Voltage (AC Load) | 240 | VAC (max) |
| Isolation Voltage (Viso) | 3750 | Vrms (min) |
| Turn-On Time (tON) | 1.5 | ms (typical) |
| Turn-Off Time (tOFF) | 1.5 | ms (typical) |
| 工作温度范围 | -40 to +100 | ??C |
| 包装类型 | SO6 | ?C |
| Input Forward Voltage (VF) | 1.2 | V (typical) |
| Leakage Current (IOFF) | 1 | mA (max at 240 VAC) |
ASSR-301C-503E Key Features
- Zero-cross switching: Ensures switching occurs at the AC zero voltage crossing point, reducing switching noise and electromagnetic interference, which enhances system stability and longevity.
- Galvanic isolation up to 3750 Vrms: Provides reliable electrical isolation for safe interfacing between low-voltage control circuits and high-voltage AC loads, protecting sensitive electronics.
- Compact SO6 package: Enables easy integration into space-constrained PCB layouts without compromising thermal performance or reliability.
- Low input current requirement: The 5 mA nominal input current allows efficient operation with low-power control signals, optimizing energy usage.
- High load current capacity: Supports up to 1 A AC load current, suitable for switching small motors, heaters, and solenoids in industrial environments.
- 工作温度范围广： From -40??C to +100??C, ensuring stable performance in harsh industrial conditions.
ASSR-301C-503E Advantages vs Typical Alternatives
This device offers superior performance through its zero-cross switching and high isolation voltage, which typical mechanical relays or lower-spec solid-state relays may lack. Its low input current requirement reduces control circuit load, while the compact SO6 package facilitates efficient PCB design. Compared to alternatives, it provides enhanced reliability, reduced EMI, and longer operational life, making it a preferred choice for industrial control applications.
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典型应用
- Industrial automation systems requiring efficient switching of AC loads with minimal electromagnetic interference and high reliability under variable temperature conditions.
- Control of resistive heating elements in process control environments where isolation and noise suppression are critical.
- Switching small AC motors and solenoids in factory automation and machinery control panels.
- Instrumentation and measurement equipment that demands galvanic isolation between input control signals and output load circuits.
ASSR-301C-503E Brand Info
This solid-state relay is part of a product line renowned for precision semiconductor components designed for industrial control and automation. Engineered for robustness and ease of integration, the device emphasizes reliability and performance in industrial environments. The product complies with relevant safety and quality standards, ensuring dependable operation and long service life. It is supported by comprehensive documentation and global distribution, facilitating sourcing and design-in processes for engineers and procurement specialists.
常见问题
What type of loads can this relay switch?
This device is suited for switching AC loads up to 240 VAC with a maximum current of 1 A. Typical loads include resistive heaters, small motors, and solenoids commonly found in industrial automation and control systems.
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How does zero-cross switching benefit industrial applications?
Zero-cross switching reduces inrush current and electromagnetic interference by turning the load on or off only when the AC voltage waveform crosses zero volts. This minimizes electrical noise and stress on connected devices, enhancing system reliability and reducing maintenance needs.
What level of isolation does this relay provide?
It provides galvanic isolation rated at 3750 Vrms between input and output. This ensures safe separation of control and load circuits, protecting low-voltage electronics from high-voltage transients and faults.
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What are the typical operating temperature limits for this device?
The relay operates reliably within a temperature range from -40??C to +100??C, making it suitable for harsh industrial environments and outdoor applications where temperature extremes are common.
How does the input current requirement affect control circuit design?
The nominal input control current of 5 mA allows the relay to be driven by low-power digital outputs or microcontrollers without the need for additional amplification. This simplifies control circuitry and reduces overall power consumption.