AOT264L N-Channel 60V 19A/140A MOSFET TO-220 Equivalent & Substitute Parts

Part Overview

The AOT264L is an N-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc., rated for 60V drain-to-source voltage with continuous drain current of 19A at Ta (ambient temperature) and 140A at Tc (case temperature). This device is packaged in TO-220-3 through-hole configuration and is currently in active product status with 3778 units in stock.

Equivalent and substitute parts are identified based on matching or exceeding the electrical and mechanical specifications of the AOT264L. Substitution becomes necessary when the primary part reaches end-of-life status, inventory constraints occur, or design requirements allow for alternative components with compatible or superior ratings within the same package family.

Key Parameters

Parameter	AOT264L Value	Unit
Drain-to-Source Voltage (Vdss)	60	V
Continuous Drain Current @ 25°C (Ta)	19	A
Continuous Drain Current @ 25°C (Tc)	140	A
RDS(on) Max @ 20A, 10V	3.2	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	3.2	V
Gate Charge (Qg) @ 10V	94	nC
Input Capacitance (Ciss) @ 30V	8400	pF
Power Dissipation Max (Tc)	333	W
Operating Temperature Range	-55 to 175	°C
Package Type	TO-220-3	Through Hole
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the AOT264L is determined by the following critical parameters:

Electrical Compatibility Criteria:

Drain-to-Source Voltage (Vdss) must be equal to or greater than 60V
Continuous Drain Current (Tc) must be equal to or greater than 140A
RDS(on) characteristics must support the intended application current levels
Gate threshold voltage and gate charge must be compatible with existing drive circuitry
Operating temperature range must encompass -55°C to 175°C

Mechanical Compatibility Criteria:

Package type must be TO-220-3 or TO-220AB (mechanically compatible through-hole variants)
Mounting configuration must be through-hole
Pin configuration must match TO-220 standard

Regulatory Compliance:

RoHS3 compliance required
REACH unaffected status required
ECCN EAR99 classification maintained

The substitute parts listed below meet these criteria and are organized by manufacturer and electrical performance characteristics.

Parameter Comparison

Parameter	AOT264L	FDP030N06	FDP032N08	IPP032N06N3GXKSA1	IRFB3206PBF	PSMN3R0-60PS,127	PSMN4R2-60PLQ	PSMN4R6-60PS,127
Manufacturer	Alpha & Omega	onsemi	onsemi	Infineon	Infineon	Nexperia	Nexperia	Nexperia
Vdss (V)	60	60	75	60	60	60	60	60
Id (Tc) (A)	140	120	120	120	120	100	130	100
RDS(on) Max (mOhm)	3.2 @ 20A, 10V	3.2 @ 75A, 10V	3.2 @ 75A, 10V	—	3.0 @ 75A, 10V	3.0 @ 25A, 10V	3.9 @ 25A, 10V	4.6 @ 25A, 10V
Vgs(th) (V)	3.2 @ 250µA	4.5 @ 250µA	4.5 @ 250µA	—	4.0 @ 150µA	4.0 @ 1mA	2.1 @ 1mA	4.0 @ 1mA
Qg (nC) @ 10V	94	151	220	—	170	130	151	70.8
Ciss (pF)	8400 @ 30V	9815 @ 25V	15160 @ 25V	—	6540 @ 50V	8079 @ 30V	8533 @ 25V	4426 @ 30V
Power Dissipation (W)	333 (Tc)	231 (Tc)	375 (Tc)	188 (Tc)	300 (Tc)	306 (Tc)	263 (Tc)	211 (Tc)
Operating Temp (°C)	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175
Package	TO-220-3	TO-220-3	TO-220-3	PG-TO220-3	TO-220AB	TO-220AB	TO-220AB	TO-220AB
Product Status	Active	Active	Active	Active	Active	Obsolete	Obsolete	Obsolete
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

The FDP030N06 (onsemi) and IRFB3206PBF (Infineon) are the preferred substitutes for the AOT264L. Both devices maintain the 60V Vdss rating and deliver 120A continuous drain current at case temperature, which represents a 14% reduction from the AOT264L's 140A rating. Both parts are in active product status with substantial inventory availability (6111 and 35200 units respectively). The FDP030N06 features the PowerTrench® series technology with 231W power dissipation capability, while the IRFB3206PBF utilizes HEXFET® technology with 300W power dissipation. Both are ROHS3 compliant and maintain the -55°C to 175°C operating temperature range.

The FDP032N08 (onsemi) provides an alternative with elevated Vdss rating of 75V and 120A continuous drain current. This device offers superior voltage margin and 375W power dissipation, making it suitable for applications requiring higher voltage headroom. It remains in active status with 1794 units in stock.

Secondary Substitutes (Obsolete Product Status):

The PSMN3R0-60PS,127, PSMN4R2-60PLQ, and PSMN4R6-60PS,127 (all Nexperia) are classified as obsolete products. While these devices meet the 60V Vdss requirement and maintain ROHS3 compliance, their obsolete status indicates discontinued manufacturing. The PSMN4R2-60PLQ delivers 130A continuous drain current, closely matching the AOT264L's 140A specification. However, selection of obsolete parts should be limited to applications where existing inventory is available and long-term supply is not a concern.

Compliance and Regulatory Considerations:

All listed substitute parts maintain ROHS3 compliance, REACH unaffected status, and EAR99 ECCN classification, ensuring regulatory alignment with the original AOT264L. Moisture sensitivity levels are consistent across active products (MSL 1 - Unlimited), supporting standard handling and storage procedures.

Frequently Asked Questions (FAQ)

Q: Can the FDP030N06 directly replace the AOT264L in all applications?

A: The FDP030N06 is mechanically and electrically compatible with the AOT264L in TO-220-3 package applications. However, the continuous drain current rating is 120A (Tc) compared to the AOT264L's 140A. Applications operating at or near 140A continuous current require thermal analysis to confirm the FDP030N06's 231W power dissipation capability is sufficient. The 60V Vdss rating is identical, and gate drive characteristics are compatible.

Q: What is the difference between TO-220-3 and TO-220AB packaging?

A: TO-220-3 and TO-220AB are mechanically compatible through-hole packages with identical pin configurations and mounting footprints. Both feature three leads (Gate, Drain, Source) and are suitable for standard TO-220 PCB layouts. The designations reflect minor variations in lead forming or manufacturer conventions but do not affect electrical performance or interchangeability.

Q: Why are some substitute parts listed as obsolete?

A: Obsolete products have been discontinued by their manufacturers. The PSMN3R0-60PS,127, PSMN4R2-60PLQ, and PSMN4R6-60PS,127 are no longer in active production. These parts should only be selected if existing inventory is available through authorized distributors. For new designs or long-term production requirements, active products such as FDP030N06, FDP032N08, or IRFB3206PBF are recommended.

Q: How do gate charge differences affect circuit design?

A: Gate charge (Qg) determines the energy required to switch the MOSFET on and off. The AOT264L specifies 94 nC at 10V, while substitutes range from 70.8 nC (PSMN4R6-60PS,127) to 220 nC (FDP032N08). Lower gate charge reduces switching losses and allows faster switching speeds. Higher gate charge increases driver power requirements. Existing gate drive circuits designed for the AOT264L's 94 nC specification will function with substitutes having similar or lower gate charge values. Substitutes with significantly higher gate charge (such as FDP032N08 at 220 nC) may require driver circuit verification to ensure adequate gate current capability.

Q: What is the significance of RDS(on) specifications at different current levels?

A: RDS(on) is the on-state drain-to-source resistance and directly affects power dissipation and heat generation. The AOT264L specifies 3.2 mOhm at 20A and 10V gate voltage. Substitute parts specify RDS(on) at different current levels (typically 25A or 75A), reflecting manufacturer characterization practices. Lower RDS(on) values reduce conduction losses. When comparing substitutes, normalize RDS(on) specifications to the same current and voltage conditions to ensure accurate thermal and efficiency analysis.

Q: Are there thermal considerations when substituting the AOT264L?

A: Yes. The AOT264L is rated for 333W power dissipation at case temperature (Tc). Substitute parts have varying power dissipation ratings: FDP030N06 (231W), FDP032N08 (375W), IRFB3206PBF (300W), and others. Applications operating at high current levels or high switching frequencies must verify that the substitute's power dissipation capability, combined with the thermal management solution (heatsink, PCB copper area), maintains junction temperature within the -55°C to 175°C operating range. Thermal analysis is required for applications approaching the AOT264L's maximum power dissipation.

Q: Can the FDP032N08 with 75V Vdss be used in a 60V application?

A: Yes. The FDP032N08's 75V Vdss rating exceeds the 60V requirement of the AOT264L, providing additional voltage margin. This is a conservative substitution that improves reliability in applications subject to voltage transients or overshoot conditions. However, the higher Vdss rating results in increased input capacitance (15160 pF vs. 8400 pF) and gate charge (220 nC vs. 94 nC), which may impact switching speed and gate driver requirements. Circuit verification is recommended for high-frequency switching applications.

Q: What inventory considerations apply to substitute selection?

A: The AOT264L has 3778 units in stock. Active substitute options include FDP030N06 (6111 units), FDP032N08 (1794 units), and IRFB3206PBF (35200 units). The IRFB3206PBF offers the highest inventory availability. Obsolete substitutes (PSMN series) have limited remaining inventory and should not be selected for new production programs. For applications requiring immediate availability and long-term supply assurance, the IRFB3206PBF is the optimal choice.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message