MTP12P10G P-Channel MOSFET 100V 12A Equivalent & Substitute Parts

Part Overview

The MTP12P10G is a P-Channel MOSFET manufactured by onsemi, rated for 100V drain-to-source voltage with 12A continuous drain current at 25°C. The device is housed in a TO-220-3 through-hole package and is designed for 75W power dissipation. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity. Substitute parts must maintain electrical compatibility across voltage ratings, current handling, and thermal characteristics while accommodating the through-hole TO-220 mounting requirement.

Key Parameters

Parameter	MTP12P10G Value	Unit
FET Type	P-Channel	—
Drain to Source Voltage (Vdss)	100	V
Current - Continuous Drain (Id) @ 25°C	12	A (Tc)
Rds On (Max) @ Id, Vgs	300 mOhm @ 6A, 10V	—
Power Dissipation (Max)	75	W (Tc)
Operating Temperature Range	-65 to 150	°C (TJ)
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—

Substitute Part Grouping Explanation

Substitution of the MTP12P10G is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Drain to Source Voltage (Vdss): Must equal 100V
FET Type: Must be P-Channel
Mounting Type: Must be Through Hole
Package: Must be TO-220-3 or TO-220AB (compatible footprint)
Technology: Must be MOSFET (Metal Oxide)

Performance Compatibility Parameters:

Continuous Drain Current (Id): Substitute must meet or exceed 12A at 25°C
Power Dissipation: Substitute must support thermal requirements of the application
Rds On: Lower or equal values indicate improved performance
Operating Temperature Range: Substitute must cover the required operating window

The substitute parts listed below satisfy all critical matching parameters. Variations in continuous drain current, power dissipation, and on-resistance reflect different device generations and manufacturers but maintain electrical compatibility within the 100V, P-Channel, TO-220 classification.

Parameter Comparison

Parameter	MTP12P10G	IRF9510PBF	IRF9520NPBF	IRF9520PBF	IRF9530NPBF	IRF9530PBF	IRF9540NPBF
Manufacturer	onsemi	Vishay Siliconix	Infineon Technologies	Vishay Siliconix	Infineon Technologies	Vishay Siliconix	Infineon Technologies
FET Type	P-Channel	P-Channel	P-Channel	P-Channel	P-Channel	P-Channel	P-Channel
Vdss (V)	100	100	100	100	100	100	100
Id @ 25°C (A)	12	4	6.8	6.8	14	12	23
Rds On (Max) @ 10V (mOhm)	300 @ 6A	1200 @ 2.4A	480 @ 4A	600 @ 4.1A	200 @ 8.4A	300 @ 7.2A	117 @ 11A
Power Dissipation (Max) (W)	75	43	—	60	79	88	140
Operating Temperature (°C)	-65 to 150	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 150
Package	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3	TO-220-3
Product Status	Obsolete	Active	Obsolete	Active	Active	Active	Active

Engineering Selection Recommendations

Direct Equivalent (Recommended Primary Substitute):

IRF9530PBF (Vishay Siliconix) is the closest functional equivalent to the MTP12P10G. Both devices are rated for 12A continuous drain current at 25°C with 100V Vdss and identical on-resistance specifications (300 mOhm @ 10V). The IRF9530PBF is active in production with RoHS3 compliance and higher power dissipation rating (88W vs. 75W), providing improved thermal margin. Operating temperature range extends to 175°C, exceeding the MTP12P10G specification.

Alternative Substitutes (Performance-Dependent Selection):

IRF9530NPBF (Infineon Technologies) provides superior current handling at 14A with lower on-resistance (200 mOhm @ 10V) and higher power dissipation (79W). This device is active in production with HEXFET® series designation and RoHS3 compliance. Selection is appropriate for applications requiring enhanced current capacity or reduced thermal dissipation.

IRF9540NPBF (Infineon Technologies) offers maximum current capability at 23A with the lowest on-resistance (117 mOhm @ 10V) and highest power dissipation (140W). This device is active in production with HEXFET® series designation and RoHS3 compliance. Selection is appropriate for high-current applications where the MTP12P10G current rating is insufficient.

IRF9520PBF (Vishay Siliconix) provides intermediate current handling at 6.8A with 100V Vdss and 60W power dissipation. This device is active in production with RoHS3 compliance. Selection is appropriate for applications with reduced current requirements or cost optimization.

Not Recommended:

IRF9510PBF has a maximum continuous drain current of 4A, which is insufficient for the 12A requirement of the MTP12P10G. This device is not suitable as a direct substitute.

IRF9520NPBF is classified as obsolete, limiting long-term procurement viability despite matching electrical specifications.

Frequently Asked Questions (FAQ)

Q: Can IRF9530PBF directly replace MTP12P10G in existing designs?

A: Yes. IRF9530PBF matches the MTP12P10G in continuous drain current (12A), drain-to-source voltage (100V), on-resistance (300 mOhm @ 10V), and TO-220-3 package. Pin configuration is identical. No circuit modifications are required.

Q: What is the difference between IRF9530NPBF and IRF9530PBF?

A: Both are IRF9530 base devices with identical electrical specifications. The primary differences are manufacturer (Infineon vs. Vishay Siliconix), product status (Active for both), and REACH compliance status. IRF9530NPBF is REACH Unaffected; IRF9530PBF is REACH Affected. Electrical performance and package are equivalent.

Q: Why is IRF9540NPBF listed if it has higher current rating than required?

A: IRF9540NPBF is listed as a valid substitute because it meets all critical matching parameters (100V Vdss, P-Channel, TO-220-3 package) and exceeds the 12A current requirement. Higher current rating provides design margin and is not a disqualifying factor. Selection depends on application requirements and thermal management capability.

Q: Is the TO-220AB package compatible with TO-220-3 footprints?

A: Yes. TO-220AB is a variant designation of the TO-220-3 package. Both refer to the same three-lead through-hole configuration with identical pin spacing and mounting requirements. Devices specified as TO-220AB are directly compatible with TO-220-3 PCB layouts.

Q: What does "Obsolete" product status mean for the MTP12P10G?

A: Obsolete status indicates the MTP12P10G is no longer manufactured by onsemi and is not available for new orders from primary distributors. Existing inventory may be available through secondary markets. Active substitute parts ensure long-term design support and procurement continuity.

Q: Can I use IRF9510PBF as a substitute?

A: No. IRF9510PBF is rated for 4A continuous drain current, which is below the 12A requirement of the MTP12P10G. This device cannot safely handle the intended application current and is not a valid substitute.

Q: What is the significance of RoHS3 compliance on substitute parts?

A: RoHS3 compliance indicates the device meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. All active substitute parts listed (IRF9530PBF, IRF9530NPBF, IRF9540NPBF, IRF9520PBF) are RoHS3 compliant, ensuring regulatory alignment with modern manufacturing standards.

Q: How do I determine which substitute is best for my application?

A: Selection depends on three factors: (1) Required continuous drain current—if 12A is sufficient, IRF9530PBF is recommended; if higher current is needed, select IRF9530NPBF (14A) or IRF9540NPBF (23A). (2) Thermal requirements—higher power dissipation ratings provide margin for heat management. (3) Procurement availability—all active devices are in stock; obsolete devices may have limited availability.

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