Broadcom HCPL-354-000E Phototransistor Optocoupler SOIC, 1 Channel, 50mA

The Broadcom HCPL-354-000E is a 1-channel, 4-pin surface-mount (SOIC) phototransistor optocoupler designed for reliable signal isolation in a wide range of electronic applications. It features a phototransistor optically coupled to two light-emitting diodes connected in inverse parallel, enabling direct operation by AC input current. This compact device is ideal for space-constrained designs, offering significant board space savings without compromising performance.

Key Features

• AC input response with 3750VRMS input-output isolation voltage
• Typical response time of 4µs
• Minimum current transfer ratio of 20% at IF=±1mA and VCE=5V
• Forward current maximum of 50mA
• Collector-emitter voltage (V(br)ceo) of 35V
• Compact SMD mini-flat SOIC package with 4 pins

Applications

This optocoupler is well-suited for use in programmable controllers, AC/DC-input modules, AC line/digital logic isolation, and general signal processing. Its inverse parallel LED configuration allows it to work seamlessly with AC signals, providing dependable isolation and signal transfer in industrial and consumer electronics.