ASSR-4111-001E Overview
The ASSR-4111-001E is a precision solid-state relay designed for industrial applications requiring robust isolation and reliable switching performance. Featuring an integrated GaAs LED and photodiode detector, it delivers low input current and high sensitivity, ensuring efficient signal transfer with minimal power consumption. This device offers reinforced electrical isolation of up to 3750 VRMS, making it ideal for use in environments demanding strict safety compliance and noise immunity. Compact and easy to integrate, the ASSR-4111-001E supports system designers in achieving reliable switching in control, measurement, and automation systems. For more detailed technical support and purchasing options, visit IC Manufacturer.
ASSR-4111-001E Technical Specifications
| Parameter | Specification |
|---|---|
| Input LED Current (IF) | 5 mA (typical operating current) |
| Output Phototransistor Collector-Emitter Voltage (VCEO) | 80 V max |
| Isolation Voltage (Viso) | 3750 VRMS (reinforced insulation) |
| Output Collector Current (IC) | 50 mA max |
| Input-Output Isolation Capacitance | 0.6 pF typical |
| Operating Temperature Range | -40??C to +100??C |
| Switching Speed (Turn-on / Turn-off Time) | 1 ??s / 2 ??s typical |
| Package Type | 4-pin SOP (Small Outline Package) |
ASSR-4111-001E Key Features
- High Isolation Voltage: Provides reinforced insulation up to 3750 VRMS, ensuring safe operation in high-voltage industrial environments.
- Low Input Current: Requires only 5 mA to activate, reducing power consumption and enabling easy interfacing with low-power control circuits.
- Fast Switching Performance: Turn-on and turn-off times of approximately 1 ??s and 2 ??s respectively support rapid signal processing and high-speed control applications.
- Compact 4-Pin SOP Package: Optimizes PCB space usage and simplifies automated assembly, aiding efficient system integration.
- Low Leakage Current: Minimizes power loss and enhances reliability in precision measurement and control systems.
- High Collector-Emitter Voltage Rating: Supports up to 80 V output voltage, allowing for diverse industrial load switching.
ASSR-4111-001E Advantages vs Typical Alternatives
This relay offers superior reinforced insulation ratings and lower input current requirements compared to conventional electromechanical relays or standard optocouplers. Its fast switching times and compact packaging improve overall system efficiency and reliability. Additionally, the low input-output capacitance enhances signal integrity, making it preferable for sensitive industrial control and automation tasks where precision and safety are paramount.
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Typical Applications
- Industrial control systems requiring galvanic isolation and fast, reliable switching for sensor and actuator interfaces in harsh environments.
- Measurement and test equipment where high signal integrity and reinforced isolation prevent noise interference and ensure operator safety.
- Programmable logic controllers (PLCs) for internal and external signal switching with minimal power consumption and compact footprint.
- Automation systems demanding precise timing and low leakage current to maintain accurate control and reduce system errors.
ASSR-4111-001E Brand Info
The ASSR-4111-001E is part of a high-quality solid-state relay lineup designed by a leading semiconductor manufacturer specializing in industrial-grade optoelectronic components. This product embodies the brand??s commitment to delivering reliable, safe, and energy-efficient solutions tailored for demanding industrial applications. The brand??s extensive experience in phototransistor technology ensures that the relay meets stringent electrical isolation and performance standards, supporting engineers and designers in optimizing system safety and functionality.
FAQ
What level of isolation does this solid-state relay provide?
The device offers reinforced electrical isolation rated at 3750 VRMS, ensuring safe separation between input and output circuits. This high isolation level protects sensitive control electronics from high voltages and electromagnetic interference, making it suitable for industrial environments.
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What are the typical switching speeds for this relay?
Switching times are approximately 1 microsecond for turn-on and 2 microseconds for turn-off. These fast response times facilitate quick and precise control in automation and signal processing applications.
What is the maximum output voltage supported by the relay?
The phototransistor output can handle voltages up to 80 V between collector and emitter, allowing it to switch or interface with a wide range of industrial loads and control circuits safely and reliably.
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How does the low input current benefit system design?
With a typical input LED current of only 5 mA, the relay imposes minimal load on control circuits. This low power requirement enhances energy efficiency and allows direct interfacing with low-current microcontrollers or logic devices without additional amplification.
What package type is used and why is it important?
The device is housed in a 4-pin Small Outline Package (SOP), which is compact and suitable for automated PCB assembly. This form factor helps reduce board space and assembly costs while maintaining excellent thermal and electrical performance.
