APT5016BFLLG Equivalent & Substitute Parts

Part Overview

The APT5016BFLLG is an N-Channel 500V 30A MOSFET manufactured by Microchip Technology in the POWER MOS 7® series. This through-hole TO-247 [B] package device is rated for 329W maximum power dissipation and operates across the temperature range of -55°C to 150°C. The part is currently Active in product status with 862 units in stock.

Substitute parts are necessary when the primary part becomes unavailable, when design requirements demand alternative electrical characteristics, or when supply chain optimization requires evaluation of functionally equivalent alternatives from different manufacturers. The following substitute parts maintain compatibility with the APT5016BFLLG across critical electrical and mechanical parameters.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	500	V
Continuous Drain Current (Id) @ 25°C	30	A
Rds On (Max) @ 15A, 10V	160	mOhm
Gate Charge (Qg) @ 10V	72	nC
Power Dissipation (Max)	329	W
Operating Temperature Range	-55 to 150	°C
Package Type	TO-247 [B]	Through Hole
Vgs (Max)	±30	V

Substitute Part Grouping Explanation

Substitution eligibility for the APT5016BFLLG is determined by the following critical parameters:

Primary Matching Criteria:

Drain to Source Voltage (Vdss): 500V (exact match required)
Continuous Drain Current (Id): 30A minimum (equal or greater acceptable)
Package Type: TO-247 family (TO-247, TO-247AD, ISOPLUS247™, PLUS247™-3 variants acceptable)
Mounting Type: Through Hole (required)
Operating Temperature Range: -55°C to 150°C minimum (equal or greater range acceptable)

Secondary Compatibility Parameters:

Gate Charge (Qg): Comparable values within ±30% acceptable for circuit timing
Rds On: Lower values preferred; values within ±25% acceptable
Vgs (Max): ±30V or greater acceptable
Power Dissipation: Equal or greater acceptable

The substitute parts listed below meet all primary matching criteria and maintain electrical compatibility within acceptable engineering tolerances.

Parameter Comparison

Parameter	APT5016BFLLG	IXFH30N50Q3	IXFH36N50P	IXFH42N50P2	IXFR44N50Q3	IXTH30N50P	IXTX46N50L
Manufacturer	Microchip	IXYS	IXYS	IXYS	IXYS	IXYS	IXYS
Vdss (V)	500	500	500	500	500	500	500
Id @ 25°C (A)	30	30	36	42	25	30	46
Rds On (Max) (mOhm)	160	200	170	145	154	200	160
Qg @ 10V (nC)	72	62	93	92	93	70	260
Power Dissipation (W)	329	690	540	830	300	460	700
Operating Temp Range (°C)	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150	-55 to 150
Package	TO-247 [B]	TO-247AD	TO-247AD	TO-247AD	ISOPLUS247™	TO-247	PLUS247™-3
Vgs (Max) (V)	±30	±20	±30	±30	±30	±30	±30
RoHS Status	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3	ROHS3
Product Status	Active	Active	Active	Last Time Buy	Active	Active	Active

Engineering Selection Recommendations

Direct Equivalents (30A Continuous Drain Current):

IXFH30N50Q3 and IXTH30N50P both provide 30A continuous drain current matching the APT5016BFLLG specification. IXFH30N50Q3 offers superior power dissipation capability (690W vs. 329W) and lower gate charge (62nC vs. 72nC), resulting in improved thermal performance and faster switching characteristics. IXTH30N50P provides comparable performance with 460W dissipation and 70nC gate charge. Both parts are Active in product status and ROHS3 compliant. IXFH30N50Q3 is preferred for applications requiring enhanced thermal headroom.

Higher Current Alternatives (36A and Above):

IXFH36N50P (36A), IXFH42N50P2 (42A), and IXTX46N50L (46A) provide increased current capacity beyond the 30A specification. These parts are suitable for designs requiring current margin or where load conditions exceed 30A. IXFH42N50P2 carries Last Time Buy status and should be evaluated for long-term supply chain planning. IXTX46N50L operates at 20V drive voltage (versus 10V for other parts) and exhibits significantly higher gate charge (260nC), requiring circuit design verification for gate driver compatibility.

Lower Current Alternative:

IXFR44N50Q3 provides 25A continuous drain current, below the 30A specification. This part is suitable only for applications where the design can accommodate reduced current capacity or where the APT5016BFLLG is over-specified for the actual load requirement.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and REACH Unaffected status. IXFH30N50Q3, IXFH36N50P, IXFR44N50Q3, IXTH30N50P, and IXTX46N50L are Active in product status. IXFH42N50P2 is Last Time Buy status and should be avoided for new designs requiring long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can IXFH30N50Q3 directly replace APT5016BFLLG without circuit modification?

A: IXFH30N50Q3 maintains identical Vdss (500V) and Id (30A) specifications. The TO-247AD package is mechanically compatible with TO-247 [B] footprints. Lower gate charge (62nC vs. 72nC) may improve switching speed but does not require circuit modification. Verify gate driver voltage compatibility; IXFH30N50Q3 specifies ±20V maximum Vgs versus ±30V for APT5016BFLLG.

Q: What is the difference between TO-247, TO-247AD, ISOPLUS247™, and PLUS247™-3 packages?

A: All packages are through-hole TO-247 family variants with identical pin configurations and mechanical footprints. TO-247AD and ISOPLUS247™ provide enhanced thermal performance through improved die attachment. PLUS247™-3 is a variant with similar thermal characteristics. All are interchangeable at the PCB level.

Q: Why does IXTX46N50L specify 20V drive voltage instead of 10V?

A: IXTX46N50L is a Linear series device with different gate charge characteristics (260nC at 15V versus 72nC at 10V for APT5016BFLLG). The 20V specification reflects the optimal gate drive voltage for this device. Circuits designed for 10V gate drive must be verified for compatibility; gate driver output voltage and current capability must be confirmed.

Q: Is IXFH42N50P2 suitable for new designs?

A: IXFH42N50P2 carries Last Time Buy product status, indicating discontinued production. This part is not recommended for new designs requiring long-term supply assurance. Use IXFH36N50P or IXFH30N50Q3 for new applications.

Q: Can IXFR44N50Q3 be used if the application only requires 25A?

A: IXFR44N50Q3 meets the 500V Vdss requirement and operates within the same temperature range. At 25A continuous drain current, it provides adequate capacity for applications designed to 25A specification. However, it does not provide the 30A capacity of the APT5016BFLLG and should not be used as a direct replacement in designs requiring 30A capability.

Q: What thermal considerations apply when substituting these parts?

A: Power dissipation ratings vary significantly: APT5016BFLLG (329W), IXFH30N50Q3 (690W), IXFH36N50P (540W), IXFH42N50P2 (830W), IXFR44N50Q3 (300W), IXTH30N50P (460W), and IXTX46N50L (700W). Higher dissipation ratings indicate improved thermal performance. Verify that PCB thermal design and heatsinking accommodate the selected part's power dissipation characteristics.

Q: Are all substitute parts RoHS3 compliant?

A: All listed substitute parts are ROHS3 compliant and REACH Unaffected, matching the compliance status of APT5016BFLLG.

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