ASSR-5211-501E Overview
The ASSR-5211-501E is a high-performance optocoupler designed to provide galvanic isolation between input and output circuits in industrial and electronic applications. Featuring a transistor output with a CTR of 50% at 5 mA input current, this device ensures reliable signal transmission while minimizing noise interference. Its compact 4-pin SOP4 package allows for easy PCB integration, making it ideal for space-constrained designs. With a high isolation voltage rating of 5 kVrms, the product safeguards sensitive components from voltage spikes and ground loops. The ASSR-5211-501E is a dependable solution for engineers seeking robust isolation components from IC Manufacturer.
ASSR-5211-501E Technical Specifications
| Parameter | Specification |
|---|---|
| Output Type | Phototransistor |
| Current Transfer Ratio (CTR) | 50% (typical) at IF = 5 mA |
| Input Forward Current (IF) | 20 mA (max) |
| Isolation Voltage (Viso) | 5 kVrms (min, 1 min, AC, 50 Hz) |
| Collector-Emitter Voltage (VCEO) | 70 V (max) |
| Emitter-Collector Voltage (VECO) | 7 V (max) |
| Operating Temperature Range | -40??C to +100??C |
| Package | 4-pin SOP4 surface mount |
| Input-Output Capacitance | 0.6 pF (typical) |
ASSR-5211-501E Key Features
- High Isolation Voltage: The 5 kVrms isolation rating ensures superior protection against transient voltages, safeguarding sensitive electronic circuits in demanding industrial environments.
- Phototransistor Output: Provides linear output response and easy interface with digital and analog circuits, improving signal fidelity and simplifying design.
- Compact SOP4 Package: Enables efficient PCB layout with reduced footprint, facilitating high-density assembly and automated manufacturing processes.
- Wide Operating Temperature: Supports reliable operation across a broad temperature range (-40??C to +100??C), suitable for harsh industrial conditions.
ASSR-5211-501E Advantages vs Typical Alternatives
This device offers a balanced combination of high isolation voltage and adequate CTR, outperforming many alternatives that sacrifice isolation for sensitivity or vice versa. Its low input-output capacitance reduces noise coupling, enhancing signal integrity in sensitive applications. The compact surface-mount package supports modern manufacturing processes and space-limited designs, while the broad operating temperature range ensures stable performance under challenging environmental conditions.
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Typical Applications
- Industrial control systems requiring reliable isolation for microcontrollers and PLCs, preventing ground loop issues and ensuring signal integrity in noisy environments.
- Power supply feedback circuits, where galvanic isolation is critical for accurate voltage and current sensing without direct electrical connection.
- Signal isolation in medical equipment to protect patients and operators by preventing leakage currents between input and output stages.
- Data communication interfaces that demand noise immunity and voltage isolation to maintain data integrity in electrically noisy settings.
ASSR-5211-501E Brand Info
Produced by a leading semiconductor manufacturer, this optocoupler series is engineered for high reliability and consistent performance in industrial and commercial electronics. The product embodies rigorous quality standards and advanced manufacturing techniques to deliver robust isolation solutions. Its design reflects a commitment to safety, ease of integration, and long-term operational stability, meeting the stringent requirements of modern electronic systems.
FAQ
What is the maximum input current for this optocoupler?
The maximum input forward current (IF) for this device is 20 mA. Operating within this limit ensures the device functions safely without degradation or damage.
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How much isolation voltage does the device provide?
This component offers a minimum isolation voltage of 5 kVrms for one minute at 50 Hz AC. This high isolation rating protects circuits from high-voltage transients and maintains signal integrity.
Can the device operate in extreme temperatures?
Yes, it supports an operating temperature range from -40??C to +100??C, making it suitable for use in harsh industrial and outdoor environments.
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What type of output does the ASSR-5211-501E use?
The output stage is a phototransistor, which allows for linear signal transmission and straightforward interfacing with a wide range of electronic circuits.
Is the device suitable for surface mounting on PCBs?
Absolutely. It comes in a 4-pin SOP4 surface-mount package, which is compatible with modern automated PCB assembly techniques and helps save board space.
