AOB286L N-Channel MOSFET 80V 13A/70A TO-263 Equivalent & Substitute Parts

Part Overview

The AOB286L is an N-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc., rated for 80V drain-to-source voltage with continuous drain current of 13A at Ta (ambient temperature) and 70A at Tc (case temperature). The device is packaged in a surface mount TO-263 (D2PAK) configuration and is currently in active product status with 10,365 units in stock.

Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter ranges, accounting for differences in packaging, current ratings, and thermal characteristics. Alternative devices may be required due to application-specific thermal management needs, packaging constraints, or supply chain considerations.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	80	V
Continuous Drain Current @ 25°C (Ta)	13	A
Continuous Drain Current @ 25°C (Tc)	70	A
RDS(on) Max @ 20A, 10V	5.7	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	3.3	V
Gate Charge (Qg) @ 10V	63	nC
Input Capacitance (Ciss) @ 40V	3142	pF
Power Dissipation (Ta)	2.1	W
Power Dissipation (Tc)	167	W
Operating Temperature Range	-55 to 175	°C
Mounting Type	Surface Mount	—
Package	TO-263 (D2PAK)	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the AOB286L is determined by the following critical electrical and mechanical parameters:

Electrical Equivalence Criteria:

Drain-to-Source Voltage (Vdss) must be equal to or greater than 80V
Continuous drain current must support the application requirements
RDS(on) characteristics must be compatible with thermal and switching loss budgets
Gate threshold voltage and gate charge must be within acceptable drive circuit tolerances
Operating temperature range must encompass -55°C to 175°C

Mechanical Compatibility Criteria:

Package type determines PCB layout and thermal management approach
Surface mount (TO-263/D2PAK) devices maintain the same footprint compatibility
Through-hole packages (TO-220-3) require different PCB design but offer alternative thermal paths
Mounting type selection affects power dissipation capability and board integration

Compliance Requirements:

RoHS3 compliance is mandatory
REACH unaffected status must be maintained
Moisture sensitivity level and product status are secondary considerations

The substitute parts listed below meet the core electrical specifications while offering variations in current rating, power dissipation, and packaging to accommodate different application scenarios.

Parameter Comparison

Parameter	AOB286L	CSD19501KCS	IPP80N08S406AKSA1	IXFP180N10T2	IXTP180N10T	PSMN6R5-80PS,127
Manufacturer	Alpha & Omega	Texas Instruments	Infineon	IXYS	IXYS	Nexperia
Vdss (V)	80	80	80	100	100	80
Id @ 25°C (A)	13 (Ta) / 70 (Tc)	100 (Ta)	80 (Tc)	180 (Tc)	180 (Tc)	100 (Tc)
RDS(on) Max (mOhm)	5.7 @ 20A, 10V	6.6 @ 60A, 10V	5.8 @ 80A, 10V	6 @ 50A, 10V	6.4 @ 25A, 10V	6.9 @ 15A, 10V
Vgs(th) Max (V)	3.3 @ 250µA	3.2 @ 250µA	4 @ 90µA	4 @ 250µA	4.5 @ 250µA	4 @ 1mA
Qg @ 10V (nC)	63	50	70	185	151	71
Ciss @ 40V (pF)	3142	3980	4800	10500	6900	4461
Power Dissipation Tc (W)	167	217	150	480	480	210
Operating Temp (°C)	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175
Package Type	TO-263 (D2PAK)	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3
Mounting	Surface Mount	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Last Time Buy	Active	Active	Obsolete

Engineering Selection Recommendations

CSD19501KCS (Texas Instruments NexFET™ Series)

The CSD19501KCS is an active product with 80V Vdss rating and 100A continuous drain current capability. This device provides higher current capacity than the AOB286L while maintaining the same voltage rating. The through-hole TO-220-3 package offers superior thermal dissipation compared to surface mount alternatives. RoHS3 compliance and active product status support long-term supply chain stability. This substitute is suitable for applications requiring higher current handling or improved thermal management through direct case-to-heatsink mounting.

IPP80N08S406AKSA1 (Infineon OptiMOS™ Series)

The IPP80N08S406AKSA1 maintains 80V Vdss with 80A continuous drain current and is qualified to AEC-Q101 automotive standards. This device is designated as Last Time Buy, indicating limited future availability. The RDS(on) specification of 5.8mOhm at 80A, 10V is comparable to the AOB286L. This substitute is appropriate for automotive applications requiring established qualification history, though supply constraints should be considered for new designs.

IXFP180N10T2 (IXYS HiPerFET™ / TrenchT2™ Series)

The IXFP180N10T2 operates at 100V Vdss with 180A continuous drain current and 480W power dissipation capability. This device exceeds the AOB286L specifications in current and voltage ratings. The higher gate charge (185nC) and input capacitance (10,500pF) require consideration in drive circuit design. This substitute is applicable to high-current applications where the elevated voltage rating and current capacity provide design margin.

IXTP180N10T (IXYS Trench Series)

The IXTP180N10T provides 100V Vdss with 180A continuous drain current and 480W power dissipation. The gate threshold voltage of 4.5V and maximum gate voltage of ±30V differ from the AOB286L. This device is suitable for applications requiring higher current capacity and voltage margin, with active product status ensuring supply availability.

PSMN6R5-80PS,127 (Nexperia)

The PSMN6R5-80PS,127 maintains 80V Vdss with 100A continuous drain current. This device is designated as Obsolete, indicating discontinued production and limited stock availability. While electrically compatible with the AOB286L, the obsolete status makes this substitute unsuitable for new designs or long-term production requirements.

Frequently Asked Questions (FAQ)

Q: Can the AOB286L be directly replaced with a through-hole TO-220-3 package device?

A: Direct replacement requires PCB redesign. The AOB286L uses surface mount TO-263 (D2PAK) packaging, while substitute devices such as CSD19501KCS, IPP80N08S406AKSA1, IXFP180N10T2, IXTP180N10T, and PSMN6R5-80PS,127 use through-hole TO-220-3 packaging. The footprints are incompatible, and thermal management approaches differ. Through-hole devices allow direct heatsink mounting, while surface mount devices rely on PCB copper area for heat dissipation.

Q: What is the significance of the 80V Vdss rating in selecting substitutes?

A: The 80V Vdss rating establishes the maximum drain-to-source voltage the device can withstand. Substitute devices must have Vdss equal to or greater than 80V. Devices rated at 100V (IXFP180N10T2, IXTP180N10T) provide additional voltage margin but are not required for 80V applications. Devices rated below 80V are not acceptable substitutes.

Q: How do continuous drain current ratings affect substitution?

A: The AOB286L is rated for 13A at Ta (ambient) and 70A at Tc (case temperature). Substitute devices with higher current ratings (80A to 180A) can handle the same application loads with reduced thermal stress. Lower-rated devices are not acceptable substitutes. Current rating selection depends on the actual application current requirements and thermal management capability.

Q: What is the importance of RDS(on) specifications in comparing devices?

A: RDS(on) determines conduction losses and heat generation. The AOB286L specifies 5.7mOhm at 20A, 10V. Substitute devices with comparable or lower RDS(on) values maintain similar efficiency characteristics. Higher RDS(on) values increase power dissipation and may require enhanced thermal management. RDS(on) is measured at different current levels across devices, requiring normalized comparison for accurate assessment.

Q: Why are some substitute parts marked as Obsolete or Last Time Buy?

A: Product status indicates manufacturing and supply availability. Active products (AOB286L, CSD19501KCS, IXFP180N10T2, IXTP180N10T) have ongoing production and supply. Last Time Buy (IPP80N08S406AKSA1) indicates limited future availability with defined end-of-life dates. Obsolete products (PSMN6R5-80PS,127) are no longer manufactured. For new designs, active products are preferred to ensure long-term supply chain stability.

Q: What role does gate charge (Qg) play in device selection?

A: Gate charge affects switching speed and drive circuit requirements. The AOB286L specifies 63nC at 10V. Substitute devices range from 50nC (CSD19501KCS) to 185nC (IXFP180N10T2). Lower gate charge enables faster switching and reduces driver power consumption. Higher gate charge requires more robust drive circuits but may offer other performance benefits. Drive circuit compatibility must be verified for each substitute.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all listed substitute parts maintain RoHS3 compliance, consistent with the AOB286L. This compliance status is mandatory for applications subject to RoHS regulations and ensures material composition restrictions are met across all alternatives.

Q: How does package type affect thermal performance?

A: The AOB286L surface mount TO-263 (D2PAK) package relies on PCB copper area for heat dissipation, with maximum power dissipation of 167W at Tc. Through-hole TO-220-3 packages used by substitute devices allow direct mounting to external heatsinks, enabling power dissipation up to 480W at Tc. Package selection depends on application thermal requirements and available board space.

Q: Can gate threshold voltage differences affect circuit operation?

A: Gate threshold voltage (Vgs(th)) determines the gate voltage required to turn the device on. The AOB286L specifies 3.3V at 250µA, while substitutes range from 3.2V to 4.5V. Differences within this range are typically accommodated by standard gate drive circuits operating at 5V or 10V. However, circuits with marginal drive voltage should verify compatibility with the specific substitute device's threshold voltage.

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