Broadcom 2-Channel Transistor Output Optocoupler, Surface Mount, 8-Pin SO HCPL-0661-500E

Broadcom HCPL-0661-500E is a precision two-channel optocoupler designed for electronic isolation and signal transfer applications. It integrates a GaAsP light-emitting diode and an IC photodetector with an open collector Schottky-clamped transistor output. This device is optimized for high-speed operation with typical data rates of 10 MBd and guaranteed transient immunity of 10 kV/µs common mode rejection at 1000 V, ensuring stable performance in noisy industrial and automotive environments.

The package is a compact 8-pin small outline (SO) surface mount design that enables efficient PCB layout and supports automated tape & reel handling. It functions across a wide temperature range (-45°C to 80°C) and supports low input currents of around 5 mA, reducing overall power consumption in logic isolation circuits.

Typical switching characteristics include 24 ns rise time and 10 ns fall time, making the HCPL-0661-500E suitable for applications requiring rapid signal transitions. Its transistor output type offers compatibility with various logic families including TTL and LSTTL, making it versatile for digital isolation tasks involving microcontrollers, processors, and digital communication modules.

This optocoupler meets international standards including UL and CSA for safety and reliability, while its compliance with the automotive AEC-Q100 standard assures robustness in vehicle electronics and industrial systems. Typical use cases include industrial control systems, power supplies, signal isolation in measurement instruments, and automotive electronics.

It is packaged for tape and reel automated SMT assembly lines, facilitating efficient mass production. Designers can leverage this component for enhancing electrical isolation, reducing electromagnetic interference, and protecting sensitive circuitry from high voltage transients.

Features transistor output type for efficient signal coupling. Surface mount package with 8-pin small outline (SO) configuration. Uses a GaAsP LED and integrated high gain photodetector for reliable operation. Ensures high common mode transient immunity of 10,000 V/µs.

Compatible with LSTTL and TTL logic input levels. Operates reliably from -45°C to 80°C ambient temperature range. Typical rise and fall times of 24ns and 10ns respectively for fast switching. Low input current capability down to 5 mA for energy efficiency.

Meets automotive standard AEC-Q100 and UL, CSA approvals. Supplied in tape & reel packaging for automated SMT assembly. Explore more high-quality Optocouplers and electronic components in EnvMart's comprehensive catalog for your industrial, automotive, and electronic design requirements.