Symond
Symond Content Marketer
On Oct 24, 2025


PS2701A-1-F3-A Transistor Output Optocouplers by Renesas – Reliable Optical Isolation for Modern Electronics

The Transistor Output Optocouplers PS2701A-1-F3-A by Renesas are high-performance Optoelectronics components designed to provide efficient signal isolation between control and load circuits. Featuring a compact 4-pin package, these Transistor Output Optocouplers ensure safe and stable operation across a wide range of electronic applications.

In this blog, we’ll explore their technical specifications, features, and key advantages — and why engineers choose these Optocouplers / Photocouplers for reliable performance and durability.


Introduction

Renesas’ PS2701A-1-F3-A Transistor Output Optocouplers are designed for applications that demand high-speed and stable signal transmission with electrical isolation. These Optoelectronics devices feature a gallium arsenide (GaAs) infrared LED coupled with a silicon phototransistor, offering excellent linearity and response time.


Technical Specifications of PS2701A-1-F3-A Transistor Output Optocouplers

  • Manufacturer: Renesas

  • Part Number: PS2701A-1-F3-A

  • Type: Transistor Output Optocoupler

  • Input Type: GaAs Infrared LED

  • Output Type: NPN Phototransistor

  • Isolation Voltage: 5000 Vrms

  • Current Transfer Ratio (CTR): 80–160% (at IF = 5mA, VCE = 5V)

  • Collector-Emitter Voltage (VCEO): 80V

  • Operating Temperature Range: -55°C to +100°C

  • Package Type: 4-Pin DIP

  • Category: Optoelectronics, Optocouplers / Photocouplers, Transistor Output Optocouplers

The PS2701A-1-F3-A ensures reliable signal integrity and electrical isolation, making it suitable for both digital and analog signal interfacing.


Key Features of PS2701A-1-F3-A Transistor Output Optocouplers

  • High Isolation Voltage (5000 Vrms) – Ensures electrical safety and noise immunity.

  • High CTR and Linearity – Delivers stable and accurate signal transmission.

  • Compact DIP Package – Fits easily into PCBs with limited space.

  • Wide Operating Temperature Range – Performs reliably in harsh environments.

  • Long Lifespan and High Reliability – Suitable for industrial-grade use.

These features make the PS2701A-1-F3-A Transistor Output Optocouplers one of the most trusted Optoelectronics components in automation and control systems.


Applications of PS2701A-1-F3-A Transistor Output Optocouplers

The PS2701A-1-F3-A Transistor Output Optocouplers by Renesas are widely used in electronic systems that require isolation between input and output signals, including:

  • Switching Power Supplies

  • Microprocessor Input/Output Isolation

  • Industrial Automation and Control Systems

  • Communication and Signal Interfaces

  • Home Appliances and Consumer Electronics

  • Datasheet

These Optocouplers / Photocouplers are ideal for protecting sensitive components and ensuring stable, interference-free communication.


Use Case Scenario: Microcontroller Signal Isolation

Scenario

An industrial control system required reliable Transistor Output Optocouplers for isolating microcontroller signals from high-voltage control circuits.

Problem

Conventional devices suffered from noise interference and inconsistent CTR.

Solution

The PS2701A-1-F3-A Optocouplers by Renesas provided superior noise immunity, consistent CTR, and stable switching characteristics.

Result

Enhanced circuit reliability, safer system design, and improved long-term stability in industrial environments.


Also Available from Other Manufacturers

If you’re looking for similar Optocouplers / Photocouplers and Optoelectronics, comparable models are also available from:

These alternatives provide engineers flexibility in choosing the best fit for specific voltage, CTR, and package requirements.


Why Buy from XON Electronics

XON Electronics offers a wide range of Optoelectronics, including the PS2701A-1-F3-A Transistor Output Optocouplers by Renesas, with:

  • 100% Genuine Products
  • Global Shipping – USA, India, Australia, Europe & more
  • OEM & Bulk Purchase Pricing
  • Expert Technical Support
  • Secure Online Ordering

Buy online from XON Electronics and get access to authentic Transistor Output Optocouplers and premium Optoelectronics from top brands.


FAQs – PS2701A-1-F3-A Transistor Output Optocouplers by Renesas

Q1. What is the isolation voltage of PS2701A-1-F3-A?
It provides 5000 Vrms isolation between input and output.

Q2. What is the current transfer ratio (CTR)?
It ranges from 80% to 160% depending on operating conditions.

Q3. What type of output does this Optocoupler have?
It uses an NPN phototransistor output.

Q4. Where is it typically used?
In power supplies, automation systems, and signal isolation circuits.

Q5. Where can I buy PS2701A-1-F3-A Optocouplers?
You can buy them from XON Electronics, shipping to USA, India, Australia, Europe, and other countries.


Conclusion

The PS2701A-1-F3-A Transistor Output Optocouplers by Renesas are reliable Optoelectronics components that deliver superior electrical isolation, low noise, and stable signal transfer. Ideal for Optocouplers / Photocouplers and Transistor Output Optocouplers applications, they are trusted by engineers worldwide for safety and performance.
Order today from XON Electronics — your trusted global source for genuine Optoelectronics and professional isolation components.


Looking for help? Visit our FAQ's Section to answer to all your questions

 

X-ON Worldwide Electronics

Welcome To X-ON Electronics
For over three decades, we have been advocating and shaping the electronic components industry. Our management complements our worldwide business scope and focus. We are committed to innovation, backed by a strong business foundation. If you need a trustworthy supplier of electronic components for your business – look no further.
 

Copyright ©2025  X-ON Electronics Services. All rights reserved.
Please ensure you have read and understood our Terms & Conditions before purchasing. All prices exclude GST.

Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted Image for all the cards that are accepted AS9120 Certified