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PS2561AL-1-V-F3 from RENESAS

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PS2561AL-1-V-F3

Manufacturer: RENESAS, NEC

High isolation voltage single transistor type multi photocoupler.

Partnumber Manufacturer Quantity Availability
PS2561AL-1-V-F3,PS2561AL1VF3 RENESAS, NEC 101980 In Stock

Description and Introduction

High isolation voltage single transistor type multi photocoupler. The **PS2561AL-1-V-F3** is a high-performance optocoupler designed to provide reliable electrical isolation between circuits while transmitting signals with precision. This component integrates an infrared LED optically coupled with a phototransistor, ensuring noise immunity and stable signal transfer across isolated voltage domains.  

With a compact **DIP-4** package, the PS2561AL-1-V-F3 is well-suited for applications requiring robust isolation, such as industrial control systems, power supplies, and communication interfaces. It features a **minimum isolation voltage of 5 kVrms**, making it ideal for environments with high-voltage transients or EMI concerns.  

Key specifications include a **current transfer ratio (CTR) ranging from 50% to 600%**, ensuring efficient signal transmission, and a **switching speed of up to 4 µs**, suitable for moderate-speed digital applications. The device operates within a **wide temperature range (-55°C to +110°C)**, ensuring reliability in harsh conditions.  

Engineers favor the PS2561AL-1-V-F3 for its durability, compliance with international safety standards, and consistent performance. Whether used in motor drives, medical equipment, or automation systems, this optocoupler delivers dependable isolation while maintaining signal integrity. Its combination of speed, efficiency, and robustness makes it a preferred choice for critical isolation tasks.

Application Scenarios & Design Considerations

High isolation voltage single transistor type multi photocoupler.

Alternative Part Number

  • PC817X1NSZ0F --: Industry-standard general-purpose phototransistor optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in many designs.
  • EL817 --: Popular 4-pin DIP phototransistor optocoupler offering comparable isolation voltage and CTR, commonly used as a drop-in replacement for Renesas PS2561 series.
  • LTV-817 --: Cost-effective 4-pin DIP optocoupler with similar current transfer ratio and 5kV isolation, suitable for general switching applications.

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