EDZFHTE6124B Equivalent & Substitute Parts

Part Overview

The EDZFHTE6124B is a 100 mW surface mount Zener diode manufactured by Rohm Semiconductor, part of the EDZ series. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing design requirements and procurement needs. The obsolete status requires engineers to evaluate active alternative components that maintain functional compatibility within system specifications.

Substiute Parts

EDZFHTE6124B

Rohm SemiconductorIn Stock: 1140EDZFHTE6124B Datasheet

Current PartRFQ

EDZVFHT2R24B

Rohm SemiconductorIn Stock: 6718EDZVFHT2R24B Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the EDZFHTE6124B is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Mounting Type: Surface Mount (required for PCB assembly compatibility)
• RoHS Compliance: ROHS3 Compliant (required for regulatory adherence)
• Moisture Sensitivity Level: MSL 1 (Unlimited) (required for storage and handling compatibility)
• Power Dissipation: Maximum 100 mW or greater (required for thermal performance)
• Operating Temperature Range: Must encompass or exceed -55°C ~ 125°C (required for environmental operation)
• Manufacturer: Rohm Semiconductor (preferred for supply chain consistency)

The substitute part EDZVFHT2R24B meets all mandatory compatibility criteria while offering enhanced specifications in power rating (150 mW) and active product status with automotive qualification.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: EDZVFHT2R24B

The EDZVFHT2R24B is the qualified substitute for the obsolete EDZFHTE6124B based on the following engineering factors:

1. Product Status: The substitute maintains active manufacturing status, ensuring long-term availability and supply chain continuity.

2. Regulatory Compliance: Both components maintain ROHS3 compliance and identical export classification (EAR99), satisfying regulatory requirements without modification to design documentation.

3. Thermal Performance: The substitute provides enhanced thermal capability with a maximum junction temperature of 150°C compared to the original 125°C operating maximum, supporting extended operational margins.

4. Power Rating: The substitute's 150 mW power dissipation rating exceeds the original 100 mW specification, providing additional thermal headroom for circuit protection applications.

5. Moisture Sensitivity: Both components share MSL 1 (Unlimited) classification, maintaining identical handling and storage requirements.

6. Automotive Qualification: The substitute carries AEC-Q101 qualification, indicating suitability for automotive applications where applicable.

7. Manufacturer Consistency: Both components originate from Rohm Semiconductor, maintaining supply chain relationships and technical support continuity.

Frequently Asked Questions (FAQ)

Q: Can EDZVFHT2R24B directly replace EDZFHTE6124B in existing designs?

A: Direct substitution is supported for applications where the Zener voltage specification of EDZVFHT2R24B (24 V) aligns with circuit requirements. The substitute's enhanced power rating (150 mW vs. 100 mW) and higher operating temperature (150°C vs. 125°C) provide improved performance margins. PCB layout compatibility depends on package selection (SC-79 or SOD-523) matching the original footprint.

Q: What are the key differences between these components?

A: The primary differences are product status (obsolete vs. active), power dissipation capability (100 mW vs. 150 mW), maximum operating temperature (125°C vs. 150°C junction temperature), and automotive qualification (absent vs. AEC-Q101). Both components maintain identical RoHS compliance, MSL classification, and export regulations.

Q: Are there packaging considerations for substitution?

A: The EDZVFHT2R24B is available in SC-79 and SOD-523 packages. Verification of package compatibility with existing PCB footprints is required before implementation. The original EDZFHTE6124B package specification was not provided in available documentation.

Q: Does the substitute require design changes?

A: No design changes are required for regulatory or compliance purposes. Both components maintain ROHS3 compliance and EAR99 classification. Circuit-level verification of Zener voltage specifications and thermal performance is necessary to confirm functional compatibility within specific application requirements.

Q: What is the supply status of these components?

A: EDZFHTE6124B is obsolete with no ongoing manufacturing. EDZVFHT2R24B is actively manufactured by Rohm Semiconductor with confirmed inventory availability (6639 pieces in stock), ensuring reliable procurement for new designs and production requirements.