H11AA1 概述

The H11AA1 / H11AA1M consists of two gallium-arsenide infrared emitting diodes connected in inverse parallel driving a single silicon phototransistor output.

H11AA1 特性

• Bi-polar emitter input
• Built-in reverse polarity input protection
• Underwriters Laboratory (UL) recognized File #E90700, Volume 2
• VDE approved File #102497 (ordering option ‘V’)

H11AA1 应用

• AC line monitor
• Unknown polarity DC sensor
• Telephone line interface