AOC2806 MOSFET Equivalent & Substitute Parts

Part Overview

The AOC2806 is a dual N-channel MOSFET array in a 4-DFN surface mount package, rated for 700mW maximum power dissipation and operating temperatures from -55°C to 150°C. This component is classified as obsolete, necessitating identification of active equivalent parts for new designs and ongoing production requirements. The part is manufactured by Alpha & Omega Semiconductor Inc. and complies with RoHS3 and REACH standards.

Substiute Parts

AOC2806

Alpha & Omega Semiconductor Inc.In Stock: 100154AOC2806 Datasheet

Current PartRFQ

AOCA24108E

Alpha & Omega Semiconductor Inc.In Stock: 943AOCA24108E Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the AOC2806 is based on the following critical parameters that define functional equivalence:

Configuration Match: Both the main part and substitute maintain a 2 N-Channel (Dual) Common Drain configuration, ensuring pin-compatible operation in existing circuit topologies.

Technology Class: Both components utilize Metal Oxide MOSFET technology, providing equivalent switching characteristics and gate drive requirements.

Operating Temperature Range: The substitute part maintains the identical -55°C to 150°C operating temperature range, ensuring thermal compatibility across all specified operating conditions.

Compliance Standards: Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for component procurement and deployment.

Packaging Technology: Both components are surface mount devices manufactured using Alpha & Omega Semiconductor's DFN packaging technology, though in different form factors (4-DFN versus 6-AlphaDFN).

Moisture Sensitivity: Both parts carry MSL 1 (Unlimited) rating, indicating identical moisture handling and storage requirements.

The AOCA24108E substitute provides enhanced electrical performance characteristics, including higher drain-source voltage rating (12V versus 20V specification on main part), increased continuous drain current capability (14A), and higher maximum power dissipation (2.2W), while maintaining full functional compatibility with the obsolete AOC2806.

Parameter Comparison

Engineering Selection Recommendations

The AOCA24108E is the manufacturer-recommended substitute for the obsolete AOC2806. Selection of this substitute is based on the following engineering criteria:

Product Status Alignment: The AOC2806 is classified as obsolete, making continued procurement impossible for new production. The AOCA24108E maintains active product status with current manufacturing and distribution support.

Regulatory Compliance: Both components maintain identical RoHS3 compliance and REACH unaffected status, ensuring no regulatory barriers to substitution in existing supply chains or new designs.

Functional Configuration: The dual N-channel common drain configuration is preserved in the substitute part, maintaining circuit topology compatibility and eliminating the need for schematic redesign.

Thermal Operating Range: The identical -55°C to 150°C operating temperature specification ensures the substitute part functions across all environmental conditions specified for the original component.

Moisture Handling: Both parts carry MSL 1 (Unlimited) ratings, eliminating any changes to component storage, handling, or assembly procedures.

Package Consideration: The substitute part uses a 6-AlphaDFN package compared to the 4-DFN package of the main part. PCB layout modification is required to accommodate the different package footprint and pin configuration.

Frequently Asked Questions (FAQ)

Q: Can the AOCA24108E be used as a direct pin-for-pin replacement for the AOC2806?

A: No. While both parts maintain the same dual N-channel common drain configuration, the package types differ (4-DFN versus 6-AlphaDFN). PCB layout and routing must be modified to accommodate the different package footprint and pin assignments. Schematic connectivity remains compatible.

Q: What are the key differences in electrical performance between these parts?

A: The AOCA24108E provides enhanced electrical specifications including higher maximum power dissipation (2.2W versus 700mW), higher continuous drain current capability (14A), and a specified drain-source voltage rating of 12V. Gate charge increases slightly from 12.5nC to 15nC at 4.5V. These enhancements provide greater design margin and performance headroom.

Q: Are there any compliance or regulatory differences between the AOC2806 and AOCA24108E?

A: No. Both components maintain identical RoHS3 compliance and REACH unaffected status. Moisture sensitivity levels are identical at MSL 1 (Unlimited). No regulatory barriers exist to substitution.

Q: What is the operating temperature compatibility between these parts?

A: Both parts operate across the identical temperature range of -55°C to 150°C (TJ). No thermal derating or environmental qualification changes are required when substituting the AOCA24108E for the AOC2806.

Q: Does the package change from 4-DFN to 6-AlphaDFN affect assembly or soldering procedures?

A: The package change requires PCB layout modification to accommodate the different footprint dimensions and pin count. Standard surface mount assembly and reflow soldering procedures remain applicable. Moisture sensitivity handling (MSL 1) is identical for both parts.

Q: Why is the AOC2806 classified as obsolete?

A: The AOC2806 has been discontinued by Alpha & Omega Semiconductor Inc. The AOCA24108E represents the active product line continuation with enhanced performance specifications and ongoing manufacturing support.

Q: Can the AOCA24108E be used in applications originally designed for the AOC2806?

A: Yes, provided PCB layout is modified to accommodate the different package footprint. The dual N-channel common drain configuration, operating temperature range, and compliance standards are fully compatible. The enhanced electrical performance of the substitute part provides additional design margin.