PSMN5R0-80PS,127 N-Channel 80V 100A MOSFET Equivalent & Substitute Parts

Part Overview

The PSMN5R0-80PS,127 is an N-Channel MOSFET manufactured by Nexperia USA Inc., rated for 80V drain-to-source voltage and 100A continuous drain current in a Through Hole TO-220AB package. This device is classified as Obsolete product status. Due to its obsolete classification, equivalent and substitute parts from active manufacturers are necessary to maintain design continuity and ensure long-term component availability for new production runs and field replacements.

Key Parameters

Parameter	Value	Unit
Manufacturer	Nexperia USA Inc.	—
Part Number	PSMN5R0-80PS,127	—
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
Drain-to-Source Voltage (Vdss)	80	V
Continuous Drain Current (Id) @ 25°C	100	A (Tc)
On-State Resistance (Rds On) @ 15A, 10V	4.7	mOhm
Gate Threshold Voltage (Vgs(th)) @ 1mA	4	V
Gate Charge (Qg) @ 10V	101	nC
Power Dissipation (Max)	270	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	TO-220AB	—
Mounting Type	Through Hole	—
RoHS Status	ROHS3 Compliant	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the PSMN5R0-80PS,127 is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss): 80V minimum (allows up to 100V for margin)
Continuous Drain Current (Id): 100A minimum at 25°C
On-State Resistance (Rds On): 4.7mOhm maximum at rated conditions
Gate Threshold Voltage (Vgs(th)): 4V maximum
Operating Temperature Range: -55°C to 175°C minimum
Package: TO-220 series (TO-220AB, TO-220-3 compatible)
Mounting: Through Hole

Secondary Compatibility Factors:

FET Type: N-Channel only
Technology: MOSFET (Metal Oxide)
Gate Charge (Qg): Lower values preferred for switching efficiency
Power Dissipation: 270W or greater preferred
RoHS Compliance: ROHS3 Compliant required

Substitute parts are grouped into two categories based on electrical performance alignment:

Category A - Direct Electrical Equivalents (80V, 100A+ rating): Parts meeting or exceeding the primary electrical specifications with minimal performance trade-offs.

Category B - Functional Alternatives (80V, 75A-120A rating): Parts with slightly reduced or increased current ratings but maintaining voltage class and thermal performance within acceptable operating margins.

Parameter Comparison

Parameter	PSMN5R0-80PS,127	STP140N8F7	IPP052N08N5AKSA1	HUF75545P3	IPP120N08S404AKSA1	FDP045N10A-F102	IRF3808PBF
Manufacturer	Nexperia USA Inc.	STMicroelectronics	Infineon Technologies	Fairchild Semiconductor	Infineon Technologies	onsemi	Infineon Technologies
Vdss (V)	80	80	80	80	80	100	75
Id @ 25°C (A)	100	90	80	75	120	120	140
Rds On (mOhm)	4.7	4.3	5.2	10	4.4	4.5	7
Vgs(th) (V)	4	4.5	3.8	4	4	4	4
Qg @ 10V (nC)	101	96	53	235	95	74	220
Power Dissipation (W)	270	200	125	270	179	263	330
Operating Temp (°C)	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175
Package	TO-220AB	TO-220	PG-TO220-3	TO-220-3	PG-TO220-3-1	TO-220-3	TO-220AB
Product Status	Obsolete	Active	Active	Active	Obsolete	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	Not Specified	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Recommended Primary Substitutes (Active Product Status):

STP140N8F7 (STMicroelectronics) — Recommended for direct replacement in most applications. Maintains 80V Vdss rating with 90A continuous drain current. On-state resistance of 4.3mOhm is superior to the original part. Active product status ensures long-term availability. ROHS3 compliant. Gate charge of 96nC is comparable to the original 101nC, supporting equivalent switching performance.

IPP120N08S404AKSA1 (Infineon Technologies) — Suitable for applications requiring higher current capacity. Rated for 120A continuous drain current at 80V with 4.4mOhm on-state resistance. Automotive-grade qualification (AEC-Q101) provides additional reliability assurance. Note: Product status is Obsolete; use only if long-term availability is confirmed through supplier.

FDP045N10A-F102 (onsemi) — Acceptable substitute with higher voltage margin (100V Vdss). Rated for 120A continuous drain current with 4.5mOhm on-state resistance. Active product status ensures availability. Power dissipation of 263W is comparable to the original 270W. Gate charge of 74nC is lower, providing improved switching efficiency.

IRF3808PBF (Infineon Technologies) — Alternative for high-current applications. Rated for 140A continuous drain current at 75V Vdss. Higher power dissipation (330W) accommodates thermal margin. Active product status. On-state resistance of 7mOhm is higher than the original; suitable only where current capacity is prioritized over efficiency.

Secondary Alternatives (Current Derating Required):

IPP052N08N5AKSA1 (Infineon Technologies) — Suitable where current requirements are reduced to 80A or below. Offers superior gate charge (53nC) for improved switching speed. Active product status. Lower power dissipation (125W) indicates reduced thermal capability; verify thermal design compatibility.

HUF75545P3 (Fairchild Semiconductor) — Acceptable for 75A continuous drain current applications. Matches 80V Vdss and 270W power dissipation of the original part. Active product status. Higher on-state resistance (10mOhm) and gate charge (235nC) indicate reduced efficiency; use only where current derating is acceptable.

Obsolete Alternatives (Not Recommended for New Designs):

STP170N8F7 (STMicroelectronics) — Obsolete product status. Rated for 120A at 80V with superior 3.9mOhm on-state resistance. Use only for field replacement of existing designs where component continuity is critical and supplier inventory is confirmed.

HUF75542P3 (Fairchild Semiconductor) — Obsolete product status. Rated for 75A at 80V. Higher on-state resistance (14mOhm) and gate charge (180nC) indicate reduced performance. Not recommended for new applications.

Frequently Asked Questions (FAQ)

Q: Can the PSMN5R0-80PS,127 be directly replaced with STP140N8F7?

A: Yes. Both devices share identical 80V Vdss rating and comparable continuous drain current specifications (100A vs. 90A). The STP140N8F7 offers superior on-state resistance (4.3mOhm vs. 4.7mOhm) and active product status. Pin configuration and TO-220 package compatibility are maintained. Electrical performance is equivalent or superior.

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

A: Both are Through Hole TO-220 family packages with identical pin pitch and mounting footprint. TO-220AB and TO-220-3 are mechanically and electrically interchangeable for standard MOSFET applications. Verify specific PCB design requirements with component datasheets if custom thermal management is implemented.

Q: Why is IPP052N08N5AKSA1 listed as a substitute if it has only 80A rating versus 100A?

A: IPP052N08N5AKSA1 is a functional alternative for applications where continuous drain current requirements are 80A or below. It offers superior gate charge (53nC) for faster switching and lower power dissipation. Use this part only if circuit design permits current derating without performance degradation.

Q: Is FDP045N10A-F102 suitable for 80V applications despite its 100V rating?

A: Yes. The 100V Vdss rating of FDP045N10A-F102 provides additional voltage margin for 80V applications. This is acceptable and common in engineering practice. The part maintains 120A continuous drain current and 4.5mOhm on-state resistance, making it a direct functional equivalent with enhanced voltage headroom.

Q: What does "Obsolete" product status mean for substitution?

A: Obsolete status indicates the manufacturer has discontinued production and support. Parts may remain available through existing inventory but long-term supply cannot be guaranteed. For new designs, select only Active status substitutes (STP140N8F7, FDP045N10A-F102, IRF3808PBF, IPP052N08N5AKSA1). For field replacement of existing equipment, Obsolete parts may be used if supplier inventory is confirmed.

Q: How do I determine if on-state resistance (Rds On) differences are significant?

A: Rds On directly affects power dissipation and thermal performance. Lower Rds On values reduce heat generation. For the PSMN5R0-80PS,127 at 4.7mOhm, substitutes with 4.3-5.2mOhm are equivalent. Substitutes with Rds On above 7mOhm (such as IRF3808PBF at 7mOhm) require thermal design verification to ensure junction temperature remains within -55°C to 175°C operating range.

Q: Are all listed substitutes RoHS3 compliant?

A: Most substitutes are ROHS3 compliant. HUF75545P3 and HUF75542P3 do not specify RoHS status in provided data. If RoHS3 compliance is a design requirement, confirm with the manufacturer or select from parts explicitly marked ROHS3 Compliant: STP140N8F7, IPP052N08N5AKSA1, IPP120N08S404AKSA1, FDP045N10A-F102, IRF3808PBF, and IRFB4410ZPBF.

Q: Can I use IRF3808PBF as a direct replacement despite its 75V Vdss rating?

A: IRF3808PBF has 75V Vdss versus the original 80V. This represents a 5V reduction in voltage margin. Use only if circuit design ensures maximum operating voltage does not exceed 75V. The part offers higher current capacity (140A) and power dissipation (330W), making it suitable for high-current, lower-voltage applications. Verify circuit voltage specifications before selection.

Q: What is the significance of gate charge (Qg) in MOSFET substitution?

A: Gate charge affects switching speed and driver circuit requirements. Lower Qg values enable faster switching with reduced driver power consumption. The original PSMN5R0-80PS,127 has 101nC gate charge. Substitutes with lower Qg (such as IPP052N08N5AKSA1 at 53nC) improve switching efficiency. Substitutes with higher Qg (such as HUF75545P3 at 235nC) require verification that gate driver circuits can supply adequate charge within switching time requirements.

Q: Is automotive qualification (AEC-Q101) important for my application?

A: AEC-Q101 qualification indicates the part meets automotive industry reliability standards. IPP120N08S404AKSA1 carries this qualification. If your application is automotive or requires equivalent reliability assurance, select AEC-Q101 qualified parts. For industrial or consumer applications, AEC-Q101 is not required but provides additional confidence in part quality and long-term performance.

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