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PS7241-1B-E3 from NEC

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PS7241-1B-E3

Manufacturer: NEC

400 V breakdown voltage normally closed 1-ch optical coupled MOSFET.

Partnumber Manufacturer Quantity Availability
PS7241-1B-E3,PS72411BE3 NEC 358 In Stock

Description and Introduction

400 V breakdown voltage normally closed 1-ch optical coupled MOSFET. **Introduction to the PS7241-1B-E3 Electronic Component**  

The **PS7241-1B-E3** is a high-performance optocoupler designed to provide reliable signal isolation in electronic circuits. As an industry-standard component, it ensures electrical separation between input and output stages, enhancing safety and noise immunity in applications such as industrial controls, power supplies, and communication systems.  

Featuring a compact design, the PS7241-1B-E3 integrates an infrared LED optically coupled with a phototransistor, delivering efficient signal transmission while maintaining isolation voltages up to **5,000Vrms**. Its fast switching response and low power consumption make it suitable for high-speed digital interfaces and noise-sensitive environments.  

Key specifications include a **minimum current transfer ratio (CTR)** of **50%**, ensuring stable performance across varying conditions. The device operates within a wide temperature range, making it adaptable to harsh industrial environments.  

Engineers favor the PS7241-1B-E3 for its reliability, compliance with international safety standards, and ease of integration into existing designs. Whether used for voltage level shifting, noise suppression, or circuit protection, this optocoupler remains a trusted solution for isolation requirements in modern electronics.  

For detailed performance parameters, always refer to the manufacturer’s datasheet to ensure compatibility with specific application needs.

Application Scenarios & Design Considerations

400 V breakdown voltage normally closed 1-ch optical coupled MOSFET.

Alternative Part Number

  • AQY212S --: Solid-state relay with similar 1-Form-B (normally closed) contact configuration and comparable load ratings, suitable as a functional replacement.
  • TLP222G --: Photo-MOS relay offering normally closed switching behavior and similar isolation voltage, commonly used as an alternative to NEC PS-series relays.
  • LH1546AAB --: Solid-state relay with comparable switching characteristics and isolation, usable as a cross-reference substitute for the PS7241-1B series.

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