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PS2505L-1 from NEC

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PS2505L-1

Manufacturer: NEC

HIGH ISOLATION VOLTAGE AC INPUT RESPONSE TYPE MULTI PHOTOCOUPLER SERIES

Partnumber Manufacturer Quantity Availability
PS2505L-1,PS2505L1 NEC 1080 In Stock

Description and Introduction

HIGH ISOLATION VOLTAGE AC INPUT RESPONSE TYPE MULTI PHOTOCOUPLER SERIES The **PS2505L-1** is a high-performance photocoupler (optoisolator) designed to provide reliable signal isolation in electronic circuits. It features an infrared LED optically coupled to a phototransistor, ensuring electrical separation between input and output while maintaining signal integrity.  

This component is widely used in applications requiring noise immunity, voltage level shifting, and protection against high-voltage transients. With a typical isolation voltage of **5,000 Vrms**, the PS2505L-1 is suitable for industrial controls, power supplies, and communication systems where safety and signal accuracy are critical.  

Key specifications include a **minimum current transfer ratio (CTR) of 50%** at an input current of 5 mA, ensuring efficient signal transmission. The device operates over a broad temperature range (-55°C to +110°C), making it resilient in harsh environments. Its compact **DIP-4 package** allows for easy integration into various circuit designs.  

Engineers favor the PS2505L-1 for its durability, fast response time, and compliance with international safety standards. Whether isolating digital signals or safeguarding sensitive components, this photocoupler delivers consistent performance in demanding applications.

Application Scenarios & Design Considerations

HIGH ISOLATION VOLTAGE AC INPUT RESPONSE TYPE MULTI PHOTOCOUPLER SERIES

Alternative Part Number

  • PC817 --: Industry-standard single-channel phototransistor optocoupler with similar CTR and isolation ratings, widely available and pin-compatible in many designs.
  • LTV-817 --: Direct functional equivalent to the PC817 with comparable current transfer ratio and isolation voltage, often used as a drop-in replacement for NEC optocouplers.
  • EL817 --: Single-channel phototransistor optocoupler offering similar CTR, isolation, and package options, suitable as a cost-effective alternative.

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