FDP8030L Equivalent & Substitute Parts

Part Overview

The FDP8030L is an N-Channel MOSFET manufactured by onsemi, rated for 30V drain-to-source voltage with 80A continuous drain current at 25°C. The device is housed in a TO-220-3 through-hole package and is designed for high-current switching applications requiring 187W maximum power dissipation at the case temperature. The FDP8030L is classified as obsolete, making identification of equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value	Unit
FET Type	N-Channel	—
Technology	MOSFET (Metal Oxide)	—
Drain to Source Voltage (Vdss)	30	V
Current - Continuous Drain (Id) @ 25°C	80	A (Ta)
Rds On (Max) @ Id, Vgs	3.5	mOhm @ 80A, 10V
Vgs(th) (Max) @ Id	2	V @ 250µA
Gate Charge (Qg) (Max) @ Vgs	170	nC @ 5V
Vgs (Max)	±20	V
Input Capacitance (Ciss) (Max) @ Vds	10500	pF @ 15V
Power Dissipation (Max)	187	W (Tc)
Operating Temperature	-65 to 175	°C (TJ)
Mounting Type	Through Hole	—
Package / Case	TO-220-3	—
RoHS Status	ROHS3 Compliant	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the FDP8030L is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Drain to Source Voltage (Vdss): 30V (exact match required)
FET Type: N-Channel (exact match required)
Technology: MOSFET (Metal Oxide) (exact match required)
Mounting Type: Through Hole (exact match required)
Package / Case: TO-220-3 (exact match required)

Secondary Compatibility Parameters:

Current - Continuous Drain (Id) @ 25°C: 80A minimum
Rds On (Max) @ Id, Vgs: 3.5mOhm or lower
Vgs(th) (Max) @ Id: 2V or lower
Gate Charge (Qg) (Max) @ Vgs: 170nC or lower
Vgs (Max): ±20V or higher
Input Capacitance (Ciss) (Max) @ Vds: 10500pF or lower
Power Dissipation (Max): 187W (Tc) or higher
Operating Temperature: -65°C to 175°C or wider range

Substitute parts are grouped into two categories: parametric equivalents (matching all primary and secondary criteria) and similar parts (matching primary criteria with variations in secondary parameters).

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Vgs(th) (V)	Qg (nC)	Ciss (pF)	Pd Max (W)	Tj Range (°C)	Package	Status
FDP8030L	onsemi	30	80 (Ta)	3.5 @ 80A, 10V	2 @ 250µA	170 @ 5V	10500 @ 15V	187 (Tc)	-65 to 175	TO-220-3	Obsolete
FDP8030L	Fairchild Semiconductor	30	80 (Ta)	3.5 @ 80A, 10V	2 @ 250µA	170 @ 5V	10500 @ 15V	187 (Tc)	-65 to 175	TO-220-3	Active
IPP80N03S4L03AKSA1	Infineon Technologies	30	80 (Tc)	2.7 @ 80A, 10V	2.2 @ 90µA	140 @ 10V	9750 @ 25V	136 (Tc)	-55 to 175	TO-220-3	Active
IRF3703PBF	International Rectifier	30	210 (Tc)	2.8 @ 76A, 10V	4 @ 250µA	209 @ 10V	8250 @ 25V	230 (Tc)	-55 to 175	TO-220-3	Active
IPP042N03LGXKSA1	Infineon Technologies	30	70 (Tc)	4.2 @ 30A, 10V	2.2 @ 250µA	38 @ 10V	3900 @ 15V	79 (Tc)	-55 to 175	TO-220-3	Not For New Designs
IRL7833PBF	Infineon Technologies	30	150 (Tc)	3.8 @ 38A, 10V	2.3 @ 250µA	47 @ 4.5V	4170 @ 15V	140 (Tc)	-55 to 175	TO-220-3	Not For New Designs
IRLB8743PBF	Infineon Technologies	30	78 (Tc)	3.2 @ 40A, 10V	2.35 @ 100µA	54 @ 4.5V	5110 @ 15V	140 (Tc)	-55 to 175	TO-220-3	Active
PSMN2R0-30PL,127	Nexperia USA Inc.	30	100 (Tc)	2.1 @ 15A, 10V	2.15 @ 1mA	117 @ 10V	6810 @ 12V	211 (Tc)	-55 to 175	TO-220-3	Obsolete
PSMN2R7-30PL,127	Nexperia USA Inc.	30	100 (Tc)	2.7 @ 15A, 10V	2.15 @ 1mA	66 @ 10V	3954 @ 12V	170 (Tc)	-55 to 175	TO-220-3	Obsolete
PSMN3R4-30PL,127	Nexperia USA Inc.	30	100 (Tc)	3.4 @ 10A, 10V	2.15 @ 1mA	64 @ 10V	3907 @ 12V	114 (Tc)	-55 to 175	TO-220-3	Obsolete
PSMN4R3-30PL,127	Nexperia USA Inc.	30	100 (Tc)	4.3 @ 15A, 10V	2.15 @ 1mA	41.5 @ 10V	2400 @ 12V	103 (Tc)	-55 to 175	TO-220-3	Obsolete

Engineering Selection Recommendations

Parametric Equivalent (Recommended for Direct Replacement):

The FDP8030L manufactured by Fairchild Semiconductor is a parametric equivalent with identical electrical specifications and package configuration. This part is classified as Active and is ROHS3 Compliant, making it suitable for direct substitution in applications requiring the original FDP8030L performance characteristics.

Active Status Alternatives:

For applications where the original FDP8030L specifications are not critical constraints, the following active-status parts provide functional alternatives:

IPP80N03S4L03AKSA1 (Infineon Technologies): Matches 80A continuous drain current with improved Rds On (2.7mOhm vs. 3.5mOhm) and lower gate charge (140nC vs. 170nC). Operating temperature range is -55°C to 175°C. ROHS3 Compliant.
IRF3703PBF (International Rectifier): Provides higher current capability (210A) with lower Rds On (2.8mOhm) and higher power dissipation (230W). Suitable for applications requiring enhanced thermal performance. Operating temperature range is -55°C to 175°C.
IRLB8743PBF (Infineon Technologies): Offers 78A continuous drain current with improved Rds On (3.2mOhm) and lower gate charge (54nC). Power dissipation is 140W. Operating temperature range is -55°C to 175°C. ROHS3 Compliant.

Compliance Considerations:

All recommended substitute parts are ROHS3 Compliant and REACH Unaffected, matching the environmental compliance status of the original FDP8030L. Parts classified as "Not For New Designs" (IPP042N03LGXKSA1, IRL7833PBF) are suitable only for legacy system maintenance and should not be selected for new designs.

Frequently Asked Questions (FAQ)

Q: Can the FDP8030L be directly replaced with the Fairchild Semiconductor FDP8030L?

A: Yes. The Fairchild Semiconductor FDP8030L is a parametric equivalent with identical electrical specifications, package configuration, and compliance certifications. This is the recommended direct replacement for the obsolete onsemi FDP8030L.

Q: What is the primary difference between the FDP8030L and IPP80N03S4L03AKSA1?

A: Both devices are rated for 30V and 80A continuous drain current in TO-220-3 packages. The IPP80N03S4L03AKSA1 features lower on-resistance (2.7mOhm vs. 3.5mOhm) and lower gate charge (140nC vs. 170nC), resulting in improved switching efficiency and reduced power dissipation. The operating temperature minimum is -55°C versus -65°C for the FDP8030L.

Q: Can I use PSMN series parts as substitutes for the FDP8030L?

A: PSMN series parts (PSMN2R0-30PL,127; PSMN2R7-30PL,127; PSMN3R4-30PL,127; PSMN4R3-30PL,127) are rated for 30V and 100A continuous drain current, exceeding the FDP8030L specification. However, all PSMN parts are classified as Obsolete. These parts are suitable only for legacy system maintenance and should not be selected for new designs.

Q: What is the significance of the TO-220-3 package specification?

A: The TO-220-3 package is a through-hole configuration with three leads (Gate, Drain, Source). All substitute parts listed maintain this package specification, ensuring mechanical and electrical compatibility with existing PCB layouts and thermal management solutions. Package compatibility is a mandatory requirement for substitution.

Q: Are there any substitute parts with lower gate charge than the FDP8030L?

A: Yes. The IPP80N03S4L03AKSA1 has a gate charge of 140nC (versus 170nC for the FDP8030L), and the IRLB8743PBF has a gate charge of 54nC. Lower gate charge reduces switching losses and driver power requirements, making these parts suitable for high-frequency switching applications.

Q: What is the difference between Tc and Ta current ratings?

A: The FDP8030L specifies 80A continuous drain current at Ta (ambient temperature), while most substitute parts specify current at Tc (case temperature). Tc-based ratings typically reflect higher current capability under controlled thermal conditions. When comparing parts, verify the temperature reference to ensure adequate current capacity for your application.

Q: Can I use IRF3703PBF as a substitute if my application requires only 80A?

A: Yes. The IRF3703PBF is rated for 210A continuous drain current, which exceeds the 80A requirement. The device maintains the 30V Vdss specification and TO-220-3 package. The higher current rating and improved Rds On (2.8mOhm) provide additional design margin and lower power dissipation. This part is classified as Active and ROHS3 Compliant.

Q: Why are some substitute parts marked "Not For New Designs"?

A: Parts marked "Not For New Designs" are in the mature or end-of-life phase of their product lifecycle. While these parts remain available for legacy system support, they should not be selected for new product development. Active-status parts are recommended for all new designs to ensure long-term availability and support.

Q: What compliance certifications should I verify when selecting a substitute?

A: All recommended substitute parts are ROHS3 Compliant and REACH Unaffected, matching the environmental compliance status of the original FDP8030L. Verify these certifications match your application requirements before final part selection.

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