AOC2412 Equivalent & Substitute Parts

Part Overview

The AOC2412 is an N-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc., rated for 20V drain-to-source voltage with 4.5A continuous drain current at 25°C. This device is packaged in a 4-AlphaDFN surface mount configuration and is designed for general-purpose switching applications requiring low on-resistance performance.

The AOC2412 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications currently utilizing this component.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
Drain to Source Voltage (Vdss)	20	V
Current - Continuous Drain (Id) @ 25°C	4.5	A
Rds On (Max) @ Id, Vgs	23 mOhm @ 1.5A, 4.5V	—
Vgs(th) (Max) @ Id	1	V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	32	nC @ 4.5V
Vgs (Max)	±8	V
Input Capacitance (Ciss) (Max) @ Vds	1842	pF @ 10V
Power Dissipation (Max)	550	mW
Operating Temperature	-55 to 150	°C (TJ)
Mounting Type	Surface Mount	—
Package / Case	4-SMD, No Lead	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the AOC2412 is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

FET Type: N-Channel topology must be maintained
Technology: MOSFET (Metal Oxide) construction required
Drain to Source Voltage (Vdss): Substitute must equal or exceed 20V rating
Continuous Drain Current (Id): Substitute must equal or exceed 4.5A at 25°C
On-Resistance (Rds On): Substitute performance must support equivalent or superior switching efficiency
Gate Threshold Voltage (Vgs(th)): Must be compatible with existing gate drive circuitry
Maximum Gate Voltage (Vgs Max): Substitute must accommodate ±8V or greater
Operating Temperature Range: Must support -55°C to 150°C (TJ) or equivalent

Mechanical Compatibility Criteria:

Mounting Type: Surface mount configuration required
Package Classification: 4-pin small-footprint packages acceptable
Moisture Sensitivity Level: MSL 1 or equivalent

Identified Substitutes:

The following parts meet the electrical and mechanical requirements for substitution:

EFC4615R-TR (onsemi): Exceeds Vdss (24V vs. 20V), exceeds Id (6A vs. 4.5A), superior Rds On performance (31 mOhm vs. 23 mOhm), compatible gate voltage range (±12V vs. ±8V), surface mount EFCP package, MSL 1, ROHS3 compliant.
PMCM6501UNEZ (NXP USA Inc.): Matches Vdss (20V), N-Channel MOSFET technology, active product status, bulk packaging, EAR99 classification.

Parameter Comparison

Parameter	AOC2412 (Main)	EFC4615R-TR (Substitute)	PMCM6501UNEZ (Substitute)
Manufacturer	Alpha & Omega Semiconductor Inc.	onsemi	NXP USA Inc.
FET Type	N-Channel	N-Channel	N-Channel
Technology	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)	MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)	20 V	24 V	20 V
Current - Continuous Drain (Id) @ 25°C	4.5 A	6 A	Not specified in input
Rds On (Max) @ Id, Vgs	23 mOhm @ 1.5A, 4.5V	31 mOhm @ 3A, 4.5V	Not specified in input
Vgs(th) (Max) @ Id	1 V @ 250µA	1.3 V @ 1mA	Not specified in input
Gate Charge (Qg) (Max) @ Vgs	32 nC @ 4.5V	8.8 nC @ 4.5V	Not specified in input
Vgs (Max)	±8 V	±12 V	Not specified in input
Input Capacitance (Ciss) (Max) @ Vds	1842 pF @ 10V	Not specified in input	Not specified in input
Power Dissipation (Max)	550 mW	1.6 W	Not specified in input
Operating Temperature	-55 to 150 °C (TJ)	150 °C (TJ)	Not specified in input
Mounting Type	Surface Mount	Surface Mount	Not specified in input
Package / Case	4-SMD, No Lead	4-XFBGA, FCBGA	Not specified in input
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Not specified in input
Product Status	Obsolete	Obsolete	Active
RoHS Status	Not specified in input	ROHS3 Compliant	Not specified in input

Engineering Selection Recommendations

EFC4615R-TR (onsemi): This substitute provides electrical performance that exceeds the AOC2412 across multiple parameters. The higher Vdss rating (24V vs. 20V) and increased continuous drain current (6A vs. 4.5A) offer design margin for applications requiring higher voltage or current headroom. The EFC4615R-TR is classified as obsolete but maintains ROHS3 compliance. The EFCP package is a 4-pin surface mount configuration compatible with the AOC2412 footprint requirements. Inventory availability is substantial (243,400 pcs). This part is suitable for direct substitution in applications where the enhanced electrical specifications do not create design conflicts.

PMCM6501UNEZ (NXP USA Inc.): This substitute matches the Vdss specification (20V) of the AOC2412 and maintains N-Channel MOSFET technology. The PMCM6501UNEZ is classified as active product status, providing long-term supply chain stability compared to the obsolete AOC2412. Detailed electrical parameters are not provided in the input data; however, the part is available in bulk packaging with inventory of 5,180 pcs. This part is suitable for applications where active product status and supply continuity are prioritized.

Frequently Asked Questions (FAQ)

Q: Can the EFC4615R-TR be used as a direct replacement for the AOC2412?

A: The EFC4615R-TR meets the electrical requirements for substitution. It exceeds the Vdss (24V vs. 20V) and Id (6A vs. 4.5A) specifications of the AOC2412. Both devices are surface mount N-Channel MOSFETs with MSL 1 rating. Package footprints differ (4-XFBGA vs. 4-AlphaDFN); physical layout verification is required to confirm PCB compatibility.

Q: What is the primary difference between the two substitute options?

A: The EFC4615R-TR provides higher electrical performance (24V, 6A) and is classified as obsolete. The PMCM6501UNEZ matches the 20V specification and is classified as active product status, offering improved long-term availability. Selection depends on whether enhanced electrical specifications or supply chain continuity is the priority.

Q: Are there any compliance or regulatory differences between the AOC2412 and its substitutes?

A: The AOC2412 is REACH Unaffected with EAR99 classification. The EFC4615R-TR is ROHS3 Compliant, REACH Unaffected, and EAR99 classified. The PMCM6501UNEZ is EAR99 classified. All three parts are suitable for applications requiring standard export and environmental compliance.

Q: Does the higher gate charge of the AOC2412 (32 nC) compared to the EFC4615R-TR (8.8 nC) affect circuit design?

A: Gate charge differences affect gate drive circuit design and switching speed. The EFC4615R-TR requires less gate charge, which may reduce gate drive power dissipation and increase switching frequency capability. Existing gate drive circuits designed for the AOC2412 must be evaluated for compatibility with the lower gate charge requirement of the EFC4615R-TR.

Q: Is the PMCM6501UNEZ suitable for high-temperature applications?

A: Complete operating temperature range data for the PMCM6501UNEZ is not provided in the input. The AOC2412 supports -55°C to 150°C (TJ). Detailed thermal specifications for the PMCM6501UNEZ must be obtained from the manufacturer datasheet before confirming suitability for temperature-critical applications.

Q: What packaging considerations apply when substituting the AOC2412?

A: The AOC2412 uses 4-AlphaDFN (1.57x1.57) packaging. The EFC4615R-TR uses EFCP1515-4CC-037 (4-XFBGA, FCBGA) packaging. Physical dimensions and pin configurations differ; PCB layout and footprint modifications may be required. The PMCM6501UNEZ packaging is not specified in the input data. Mechanical drawings and footprint verification are required before implementing any substitution.

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