HCPL-4661#500 Equivalent & Substitute Parts

Part Overview

The HCPL-4661#500 is a logic output optoisolator manufactured by Broadcom Limited, designed for high-speed digital isolation applications. This 2-channel device provides 3750Vrms isolation with open collector, Schottky clamped outputs and supports data rates up to 10MBd. The part is currently discontinued at DiGi Electronics, making identification of equivalent substitute parts essential for ongoing design support and procurement.

Substiute Parts

HCPL-4661#500

Broadcom LimitedIn Stock: 841HCPL-4661#500 Datasheet

Current PartRFQ

HCPL-4661-500E

Broadcom LimitedIn Stock: 1814HCPL-4661-500E Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the HCPL-4661#500 is determined by strict equivalence across the following critical parameters:

• Number of channels: 2
• Isolation voltage: 3750Vrms
• Common mode transient immunity: 15kV/µs minimum
• Output configuration: Open collector with Schottky clamping
• Data rate capability: 10MBd
• Supply voltage range: 4.5V to 5.5V
• Package type: 8-SMD, Gull Wing
• Operating temperature range: -40°C to 85°C

The HCPL-4661-500E qualifies as a direct substitute, maintaining identical electrical and mechanical specifications while offering improved product status and compliance posture.

Parameter Comparison

Engineering Selection Recommendations

The HCPL-4661-500E is the direct substitute for HCPL-4661#500. Both parts are manufactured by Broadcom Limited and maintain identical electrical and mechanical specifications across all critical parameters. The HCPL-4661-500E offers two significant advantages: active product status with ongoing manufacturer support, and ROHS3 compliance compared to the non-compliant status of the original part. The substitute is available in Tape & Reel packaging, suitable for automated assembly processes. Selection of HCPL-4661-500E eliminates obsolescence risk while maintaining full functional and physical compatibility.

Frequently Asked Questions (FAQ)

Q: Can HCPL-4661-500E be used as a direct replacement for HCPL-4661#500?

A: Yes. Both parts are electrically and mechanically identical across all specified parameters, including isolation voltage, channel count, output configuration, data rate, and package type. The substitute maintains the same pin configuration and electrical performance characteristics.

Q: What is the difference between HCPL-4661#500 and HCPL-4661-500E?

A: The primary differences are product status and regulatory compliance. HCPL-4661#500 is discontinued and RoHS non-compliant, while HCPL-4661-500E is active and ROHS3 compliant. Packaging differs (standard vs. Tape & Reel), but electrical specifications are identical.

Q: Are there any compatibility concerns with the 8-SMD Gull Wing package?

A: No. Both parts use the same 8-SMD Gull Wing package configuration. PCB footprints, solder pad layouts, and mounting procedures are identical. The HCPL-4661-500E Tape & Reel packaging is suitable for automated pick-and-place assembly.

Q: Does the ROHS3 compliance of HCPL-4661-500E affect circuit performance?

A: No. ROHS3 compliance relates to material composition and environmental regulations, not electrical performance. All functional parameters remain unchanged.

Q: What is the isolation voltage rating, and does it apply to both parts?

A: Both parts provide 3750Vrms isolation voltage with 15kV/µs common mode transient immunity. These specifications are identical and suitable for high-voltage isolation applications.