H11L2SD Equivalent & Substitute Parts

Part Overview

The H11L2SD is a logic output optoisolator manufactured by onsemi, designed for applications requiring galvanic isolation with open collector output configuration. This component operates at 1MHz data rate with 5300Vrms isolation voltage rating and is housed in a 6-SMD surface mount package. The H11L2SD is classified as obsolete, making identification of compatible substitute parts essential for ongoing system support and new design implementations.

Substiute Parts

H11L2SD

onsemiIn Stock: 4357H11L2SD Datasheet

Current PartRFQ

H11L2SR2M

onsemiIn Stock: 1659H11L2SR2M Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the H11L2SD is determined by the following critical parameters:

• Channel Configuration: Single channel (1/0 input/output configuration)
• Output Architecture: Open collector topology
• Data Rate: 1MHz operational frequency
• Package Format: 6-SMD, Gull Wing surface mount
• Isolation Voltage: Minimum acceptable rating for the application
• Output Current Capability: 50 mA per channel
• Input Type: DC-coupled input

The H11L2SR2M qualifies as a direct substitute based on matching channel configuration, output type, data rate, package format, and output current rating. While the H11L2SR2M features reduced isolation voltage (4170Vrms versus 5300Vrms), it maintains functional compatibility for applications where the lower isolation rating is acceptable. The H11L2SR2M is an active product with current manufacturing status and improved compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

The H11L2SR2M is the appropriate substitute for the obsolete H11L2SD based on the following engineering criteria:

Product Status Alignment: The H11L2SR2M maintains active manufacturing status, ensuring long-term availability and supply chain continuity compared to the obsolete H11L2SD.

Compliance Posture: The H11L2SR2M achieves ROHS3 compliance, meeting current regulatory requirements for electronic components in most jurisdictions. The H11L2SD's RoHS non-compliant status presents regulatory constraints for new designs and procurement.

Functional Equivalence: Both components share identical channel configuration, output topology, data rate, and package format. The 6-SMD, Gull Wing package enables direct PCB footprint compatibility without layout modifications.

Isolation Voltage Consideration: The H11L2SR2M operates at 4170Vrms isolation voltage, representing a 1130Vrms reduction from the H11L2SD specification. Component selection must confirm that the application's isolation requirements are satisfied by the lower rating.

Enhanced Electrical Characteristics: The H11L2SR2M supports maximum forward current of 30mA, exceeding the H11L2SD's 10mA specification, providing improved input drive capability and design margin.

Frequently Asked Questions (FAQ)

Q: Can the H11L2SR2M directly replace the H11L2SD without PCB modifications?

A: Yes. Both components utilize identical 6-SMD, Gull Wing package geometry and pinout configuration. Direct PCB footprint compatibility is maintained without layout changes.

Q: What is the significance of the isolation voltage difference between these parts?

A: The H11L2SR2M operates at 4170Vrms isolation versus the H11L2SD's 5300Vrms rating. Applications requiring isolation voltage exceeding 4170Vrms cannot use the H11L2SR2M. Verify your system's isolation requirements before substitution.

Q: Why is the H11L2SD classified as obsolete?

A: The H11L2SD has reached end-of-life status in onsemi's product portfolio. The H11L2SR2M represents the active successor product, offering improved compliance certifications and manufacturing continuity.

Q: Are there packaging differences between these optoisolators?

A: No. Both components are supplied in 6-SMD, Gull Wing surface mount packages. The H11L2SR2M is available in Cut Tape (CT) and Digi-Reel packaging formats, supporting both manual and automated assembly workflows.

Q: What compliance advantages does the H11L2SR2M provide?

A: The H11L2SR2M achieves ROHS3 compliance and maintains REACH Unaffected status, aligning with current environmental and regulatory standards. The H11L2SD's non-compliant status may restrict use in regulated markets and applications.

Q: Is the H11L2SR2M suitable for new design implementations?

A: Yes. The H11L2SR2M's active product status, current manufacturing, and compliance certifications make it the appropriate choice for new designs requiring single-channel logic output optoisolation in the 1MHz data rate range.