HCPL-550K-300

Transistor, Photovoltaic Output Optoisolators Overview

The HCPL-550K-300 is a single-channel high-speed optocoupler manufactured by Broadcom Limited. It features a hermetically sealed ceramic dual in-line package (CDIP-8) with gull-wing surface mount configuration. The device integrates a GaAsP light-emitting diode and an integrated phototransistor detector. Key electrical parameters include a data rate of 400 kb/s, a bandwidth of 9 MHz, and an isolation voltage of 1500 Vdc. The forward current is rated at 20 mA with a typical forward voltage of 1.55 V. Output characteristics specify a collector current of 8 mA and a power dissipation of 200 mW. The unit operates within a temperature range of -55°C to +125°C.

Transistor, Photovoltaic Output Optoisolators Feature Summary

• Hermetically sealed construction ensures high reliability and environmental stability for demanding applications.
• High-speed signal transmission capability supports data rates up to 400 kb/s with a 9 MHz bandwidth.
• Integrated base pin on the phototransistor allows for adjustable gain and bandwidth optimization.
• Compatible with standard logic families including TTL, LSTTL, and CMOS interfaces.

Transistor, Photovoltaic Output Optoisolators Applications

• Military and aerospace systems requiring Class K reliability
• Industrial control systems needing high isolation
• Medical equipment requiring secure signal coupling

Transistor, Photovoltaic Output Optoisolators Procurement Notes

Verify the specific suffix designation to confirm the package style and lead frame material. Ensure the procurement order matches the required military or commercial screening level. Confirm that the CDIP-8 gull-wing footprint aligns with the target PCB design. Validate compliance requirements against the latest manufacturer specifications before finalizing the purchase order.

Transistor, Photovoltaic Output Optoisolators Selection Notes

Select this component when high isolation voltage and hermetic sealing are critical for system integrity. Consider the available base pin functionality if circuit tuning for speed or gain is necessary. Evaluate the thermal management requirements given the 200 mW power dissipation limit. Ensure the operating temperature range meets the environmental conditions of the intended deployment scenario.

Transistor, Photovoltaic Output Optoisolators Part Context

This device belongs to the HCPL-550K series, which represents a line of high-reliability optocouplers designed for harsh environments. The series is characterized by its ceramic packaging and strict manufacturing controls. It serves as a bridge between low-voltage control circuits and high-voltage isolated sections. The product lineage includes various configurations tailored for different mounting and screening needs.

Transistor, Photovoltaic Output Optoisolators Replacement Considerations

HCPL-5501-300