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H11AA4SD from FSC,Fairchild Semiconductor

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H11AA4SD

Manufacturer: FSC

6-Pin DIP AC Input Phototransistor Output Optocoupler

Partnumber Manufacturer Quantity Availability
H11AA4SD FSC 366 In Stock

Description and Introduction

6-Pin DIP AC Input Phototransistor Output Optocoupler The **H11AA4SD** from Fairchild Semiconductor is a high-performance optocoupler designed for reliable signal isolation in electronic circuits. Combining an infrared LED with a phototransistor detector, this component ensures electrical separation between input and output, making it ideal for noise-sensitive applications such as industrial controls, power supplies, and communication systems.  

With a compact **DIP-6** package, the H11AA4SD offers excellent isolation voltage (up to **5,000 Vrms**) and fast response times, ensuring efficient signal transmission while maintaining safety in high-voltage environments. Its **current transfer ratio (CTR)** remains stable across a wide operating temperature range, providing consistent performance in demanding conditions.  

Key features include **low input current requirements**, high common-mode rejection, and compatibility with both AC and DC signals. These attributes make the H11AA4SD a versatile choice for circuit designers seeking reliable galvanic isolation without compromising speed or efficiency.  

Whether used in motor drives, medical equipment, or automation systems, the H11AA4SD delivers dependable performance, safeguarding sensitive electronics from voltage spikes and ground loop interference. Its robust design and industry-standard specifications ensure seamless integration into a variety of applications requiring precision and durability.

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