H11G23SD Optoisolator Equivalent & Substitute Parts

Part Overview

The H11G23SD is an optoisolator with Darlington output manufactured by onsemi, featuring 5300Vrms isolation voltage in a 6-SMD surface mount package. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

The H11G23SD operates as a single-channel optoisolator with Darlington output and base connection, designed for DC input applications requiring high isolation voltage and fast switching characteristics. Current availability is limited to existing inventory.

Substiute Parts

H11G23SD

onsemiIn Stock: 727H11G23SD Datasheet

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H11G2SM

onsemiIn Stock: 2873H11G2SM Datasheet

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H11G2SR2VM

onsemiIn Stock: 2095H11G2SR2VM Datasheet

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H11G2SM

onsemiIn Stock: 2873H11G2SM Datasheet

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H11G2SMT&R

Isocom Components 2004 LTDIn Stock: 958H11G2SMT&R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the H11G23SD is determined by the following critical parameters:

Primary Compatibility Criteria:

• Single-channel configuration
• Darlington output with base connection
• 6-SMD surface mount package with gull wing leads
• DC input type
• Maximum output voltage of 80V
• Moisture sensitivity level 1 (unlimited)

Substitution Groups:

Group 1: Direct Functional Equivalents (onsemi H11G2 Series) The H11G2SM and H11G2SR2VM represent active production alternatives within the onsemi H11G2 product line. These parts maintain identical electrical characteristics for switching performance, output configuration, and thermal operating range, with the primary difference being reduced isolation voltage (4170Vrms versus 5300Vrms). Both are available in active production status with higher inventory levels.

Group 2: Cross-Manufacturer Alternative (Isocom H11G2SMT&R) The H11G2SMT&R from Isocom Components 2004 LTD operates within the H11G series but exhibits significant parameter variations, including substantially lower isolation voltage specification (7.5Vpk) and different rise/fall time characteristics. This part is suitable only for applications where isolation voltage requirements are substantially lower than the original design specification.

Parameter Comparison

Engineering Selection Recommendations

For Active Production Designs: The H11G2SM and H11G2SR2VM are recommended as primary substitutes for the obsolete H11G23SD. Both parts are in active production status with ROHS3 compliance certification. The onsemi H11G2 series maintains functional equivalence in switching performance, output configuration, and thermal operating range. The reduction in isolation voltage from 5300Vrms to 4170Vrms must be evaluated against specific application requirements.

Packaging Considerations: H11G2SM is supplied in tube packaging, while H11G2SR2VM is supplied in tape and reel format. Selection between these variants depends on procurement and assembly process requirements.

For Lower Isolation Voltage Applications: The H11G2SMT&R from Isocom Components 2004 LTD is suitable only for applications where isolation voltage requirements do not exceed 7.5Vpk. This part exhibits reduced operating temperature range (-25°C to 100°C) and different saturation characteristics compared to the original specification.

Compliance Status: All active substitute parts maintain REACH unaffected status and EAR99 export classification consistent with the original H11G23SD.

Frequently Asked Questions (FAQ)

Q: Can H11G2SM directly replace H11G23SD in existing designs? A: H11G2SM maintains identical package configuration, output type, and switching characteristics. The isolation voltage is reduced from 5300Vrms to 4170Vrms. Direct substitution is possible only if the application isolation voltage requirement does not exceed 4170Vrms.

Q: What is the difference between H11G2SM and H11G2SR2VM? A: Both parts are electrically identical onsemi H11G2 optoisolators with 4170Vrms isolation. The difference is packaging format: H11G2SM is supplied in tubes, while H11G2SR2VM is supplied in tape and reel format for automated assembly processes.

Q: Is the H11G2SMT&R a suitable replacement? A: The H11G2SMT&R is from a different manufacturer (Isocom) and has significantly lower isolation voltage (7.5Vpk). It is suitable only for applications with substantially reduced isolation voltage requirements and narrower operating temperature range (-25°C to 100°C).

Q: What are the key parameters that determine substitutability? A: Critical parameters are single-channel configuration, Darlington output with base connection, 6-SMD gull wing package, 80V maximum output voltage, and MSL level 1. Isolation voltage, operating temperature range, and switching times must be evaluated against specific application requirements.

Q: Are all substitute parts RoHS compliant? A: Yes. H11G2SM, H11G2SR2VM, and H11G2SMT&R are all ROHS3 compliant. The original H11G23SD RoHS status is not specified in available documentation.

Q: What is the inventory status of substitute parts? A: H11G2SM has 2788 pcs in stock, H11G2SR2VM has 2039 pcs in stock, and H11G2SMT&R has 946 pcs in stock. The original H11G23SD has 717 pcs available as obsolete inventory.