HCPL-261N#500 Equivalent & Substitute Parts

Part Overview

The HCPL-261N#500 is a logic output optoisolator manufactured by Broadcom Limited, designed for high-speed digital isolation applications. It provides 3750Vrms isolation with open collector Schottky clamped output, supporting data rates up to 10MBd with 1kV/µs common mode transient immunity. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications.

Substiute Parts

HCPL-261N#500
Broadcom LimitedIn Stock: 925HCPL-261N#500 Datasheet
HCPL-261N#500
Current Part
HCPL-261N-500E
Broadcom LimitedIn Stock: 818HCPL-261N-500E Datasheet
HCPL-261N-500E
Direct

Key Parameters

Parameter Value
Manufacturer Broadcom Limited
Category Optoisolators
Number of Channels 1
Voltage - Isolation 3750Vrms
Common Mode Transient Immunity (Min) 1kV/µs
Input Type DC
Output Type Open Collector, Schottky Clamped
Current - Output / Channel 50 mA
Data Rate 10MBd
Propagation Delay tpLH / tpHL (Max) 100ns / 100ns
Rise / Fall Time (Typ) 42ns / 12ns
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C
Package / Case 8-SMD, Gull Wing
Mounting Type Surface Mount
Moisture Sensitivity Level (MSL) 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the HCPL-261N#500 is determined by strict equivalence across the following critical parameters:

  • Voltage isolation rating: 3750Vrms
  • Common mode transient immunity: 1kV/µs minimum
  • Output configuration: Open collector with Schottky clamping
  • Data rate capability: 10MBd
  • Single channel configuration
  • Package type: 8-SMD Gull Wing
  • Supply voltage range: 4.5V ~ 5.5V
  • Operating temperature range: -40°C ~ 85°C

The HCPL-261N-500E is a direct substitute from the same manufacturer, maintaining identical electrical specifications and package configuration while offering active product status and improved compliance certifications.

Parameter Comparison

Parameter HCPL-261N#500 HCPL-261N-500E
Manufacturer Broadcom Limited Broadcom Limited
Number of Channels 1 1
Voltage - Isolation 3750Vrms 3750Vrms
Common Mode Transient Immunity (Min) 1kV/µs 1kV/µs
Input Type DC DC
Output Type Open Collector, Schottky Clamped Open Collector, Schottky Clamped
Current - Output / Channel 50 mA 50 mA
Data Rate 10MBd 10MBd
Propagation Delay tpLH / tpHL (Max) 100ns / 100ns 100ns / 100ns
Rise / Fall Time (Typ) 42ns / 12ns 42ns / 12ns
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Package / Case 8-SMD, Gull Wing 8-SMD, Gull Wing
Mounting Type Surface Mount Surface Mount
Moisture Sensitivity Level (MSL) 1 (Unlimited) 1 (Unlimited)
Product Status Discontinued at DiGi Electronics Active
RoHS Status RoHS non-compliant ROHS3 Compliant
Packaging Standard Tape & Reel (TR)

Engineering Selection Recommendations

The HCPL-261N-500E is the primary substitute for the discontinued HCPL-261N#500. Both parts maintain identical electrical and mechanical specifications, ensuring direct functional compatibility. The HCPL-261N-500E offers the advantage of active product status, ensuring continued availability and supply chain reliability. Additionally, the HCPL-261N-500E achieves ROHS3 compliance, whereas the original part is RoHS non-compliant, making it suitable for applications subject to environmental regulations. The Tape & Reel packaging of the HCPL-261N-500E is standard for high-volume production environments.

Frequently Asked Questions (FAQ)

Q: Can the HCPL-261N-500E be used as a direct replacement for the HCPL-261N#500?

A: Yes. The HCPL-261N-500E is electrically and mechanically identical to the HCPL-261N#500. All critical parameters including isolation voltage, CMTI, output configuration, data rate, timing specifications, and supply voltage are equivalent. The parts are pin-compatible and require no circuit modifications.

Q: What is the difference between the HCPL-261N#500 and HCPL-261N-500E?

A: The primary differences are product status and compliance. The HCPL-261N#500 is discontinued and RoHS non-compliant. The HCPL-261N-500E is an active product with ROHS3 compliance and is supplied in Tape & Reel packaging for production environments.

Q: Are there any package or pinout differences?

A: No. Both parts use the 8-SMD Gull Wing package with identical pinout and mechanical dimensions. They are fully interchangeable at the PCB assembly level.

Q: What is the significance of the Tape & Reel packaging?

A: Tape & Reel packaging is standard for automated surface mount assembly processes. It enables high-speed pick-and-place machine compatibility and is the preferred format for production volumes.

Q: Does the HCPL-261N-500E meet current environmental standards?

A: Yes. The HCPL-261N-500E is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements for electronic components in most jurisdictions.

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