ASSR-3211-001E Overview
The ASSR-3211-001E is a high-performance solid-state relay designed for industrial automation and control applications requiring galvanic isolation and reliable switching. This optocoupler-based device integrates a photodiode and a MOSFET output stage, enabling low on-resistance and fast switching with minimal power dissipation. Its compact package and robust electrical characteristics make it ideal for engineers seeking precise load control and noise immunity in harsh environments. With excellent isolation voltage and low input current requirements, it offers a dependable solution for signal isolation in demanding industrial systems. Available from IC Manufacturer, it supports efficient integration into modern semiconductor designs.
ASSR-3211-001E Technical Specifications
| Parameter | Specification |
|---|---|
| Input Forward Current (IF) | 5 mA (typical operating current) |
| Output On-Resistance (RDS(on)) | 0.25 ?? (max) |
| Isolation Voltage (Viso) | 3750 Vrms (minimum) |
| Operating Temperature Range | -40 to +100 ??C |
| Output Voltage (VDS max) | 60 V |
| Input-Output Capacitance | 0.6 pF (typical) |
| Switching Time (turn-on/off) | 1 ??s / 1 ??s (typical) |
| Package Type | 4-pin SOP |
ASSR-3211-001E Key Features
- Low On-Resistance MOSFET Output: Minimizes conduction losses and heat generation, improving system efficiency and reliability under continuous operation.
- High Isolation Voltage: Provides up to 3750 Vrms galvanic isolation, ensuring safe separation between input control signals and output loads in high-voltage environments.
- Fast Switching Speed: Typical turn-on and turn-off times of 1 microsecond support rapid switching applications, enhancing system responsiveness and precision control.
- Compact 4-Pin SOP Package: Facilitates dense PCB layouts and simplifies integration into space-constrained industrial devices.
- Wide Operating Temperature Range: Maintains stable performance from -40 ??C to +100 ??C, suitable for various industrial conditions.
ASSR-3211-001E Advantages vs Typical Alternatives
This device offers superior isolation voltage and lower on-resistance compared to typical electromechanical relays and other solid-state relays in its class. Its fast switching and low input current requirements reduce power consumption and improve system efficiency. The integrated MOSFET output stage enhances reliability by eliminating mechanical wear, while the compact package supports high-density PCB designs. These advantages make it a reliable choice for industrial engineers prioritizing precise load control and long-term durability.
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Typical Applications
- Industrial automation control systems requiring high-voltage isolation and fast switching for actuators, sensors, and motor drives, ensuring signal integrity and operational safety.
- Signal isolation in power supply modules, protecting sensitive electronics from high-voltage transients and electrical noise.
- Switching loads in telecommunications equipment where compact size and low power consumption are critical.
- Medical device circuits requiring reliable isolation between patient-connected electronics and control systems.
ASSR-3211-001E Brand Info
The ASSR-3211-001E is produced by a well-established semiconductor manufacturer known for delivering high-quality optoelectronic components tailored to industrial applications. This product line emphasizes robust isolation performance, energy efficiency, and integration flexibility. Designed to meet stringent industrial standards, the device reflects the brand??s commitment to innovation and reliability in solid-state relay technology.
FAQ
What is the maximum isolation voltage of this relay?
The relay provides a minimum isolation voltage of 3750 Vrms, which ensures safe electrical separation between input and output circuits. This level of isolation is suitable for many industrial environments requiring high-voltage safety margins.
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Can this relay handle inductive loads?
Yes, the solid-state relay??s MOSFET output stage is capable of switching inductive loads. However, appropriate snubber circuits or protection measures should be used to manage voltage spikes and ensure longevity in inductive load applications.
What are the input current requirements for switching?
The typical forward input current required to activate the relay is approximately 5 mA. This low input current reduces power consumption and enables easy interfacing with microcontrollers and low-power control circuits.
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What package type does this device use, and how does it impact assembly?
The device is housed in a compact 4-pin SOP package. This package supports automated surface-mount assembly processes, allowing for efficient PCB layout and integration into high-density designs common in industrial electronics.
What is the operating temperature range for reliable function?
The relay operates effectively across a temperature range of -40 to +100 degrees Celsius, making it suitable for harsh industrial environments where temperature extremes are common.