STP200NF04L N-Channel 40V 120A MOSFET Equivalent & Substitute Parts

Part Overview

The STP200NF04L is an N-Channel MOSFET manufactured by STMicroelectronics, rated for 40V drain-to-source voltage and 120A continuous drain current at 25°C. This device is packaged in TO-220-3 and features the STripFET™ II technology platform. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for new designs and ongoing production requirements. Substitute parts must maintain compatibility across voltage rating, current capacity, thermal characteristics, and through-hole mounting configuration.

Key Parameters

Parameter	STP200NF04L	Unit
Drain-to-Source Voltage (Vdss)	40	V
Continuous Drain Current (Id) @ 25°C	120	A (Tc)
On-Resistance (Rds On) @ 50A, 10V	3.8	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	4	V
Gate Charge (Qg) @ 4.5V	90	nC
Power Dissipation (Max)	300	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	TO-220-3	Through Hole
Technology	MOSFET (Metal Oxide)	N-Channel
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution of the STP200NF04L is determined by the following critical parameters:

Mandatory Compatibility Criteria:

Drain-to-Source Voltage (Vdss): 40V minimum
Continuous Drain Current (Id): 120A or greater at 25°C
Package Type: TO-220-3 through-hole configuration
FET Type: N-Channel MOSFET
Operating Temperature Range: -55°C to 175°C or equivalent

Performance Considerations:

On-Resistance (Rds On): Lower values indicate improved efficiency
Gate Charge (Qg): Affects switching speed and drive requirements
Power Dissipation: 300W or greater thermal capability
Input Capacitance (Ciss): Influences gate drive circuit design

Substitute parts are grouped into three categories based on current rating alignment:

Category A - High Current Capability (≥180A): IRF1404PBF, IRF1404ZPBF, IRF2204PBF Category B - Moderate-to-High Current (100A-120A): CSD18503KCS, IPP023N04NGXKSA1 Category C - Moderate Current (75A-90A): IRF2804PBF, IPP041N04NGXKSA1, IPP039N04LGXKSA1, FDP8441

All listed substitutes maintain the 40V voltage rating and TO-220-3 package configuration. Selection within categories depends on specific application current requirements and thermal management constraints.

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On (mOhm)	Vgs(th) (V)	Qg (nC)	Pd Max (W)	Tj Range (°C)	Status
STP200NF04L	STMicroelectronics	40	120	3.8 @ 50A, 10V	4 @ 250µA	90 @ 4.5V	300	-55 to 175	Obsolete
CSD18503KCS	National Semiconductor	40	100	4.5 @ 75A, 10V	2.3 @ 250µA	36 @ 10V	188	-55 to 150	Active
FDP8441	Fairchild Semiconductor	40	80 (Tc)	2.7 @ 80A, 10V	4 @ 250µA	280 @ 10V	300	-55 to 175	Active
IPP023N04NGXKSA1	Infineon Technologies	40	90	2.3 @ 90A, 10V	4 @ 95µA	120 @ 10V	167	-55 to 175	Active
IPP039N04LGXKSA1	Infineon Technologies	40	80	3.9 @ 80A, 10V	2 @ 45µA	78 @ 10V	94	-55 to 175	Not For New Designs
IPP041N04NGXKSA1	Infineon Technologies	40	80	4.1 @ 80A, 10V	4 @ 45µA	56 @ 10V	94	-55 to 175	Active
IRF1404PBF	Infineon Technologies	40	202	4 @ 121A, 10V	4 @ 250µA	196 @ 10V	333	-55 to 175	Not For New Designs
IRF1404ZPBF	Infineon Technologies	40	180	3.7 @ 75A, 10V	4 @ 250µA	150 @ 10V	200	-55 to 175	Active
IRF2204PBF	Infineon Technologies	40	210	3.6 @ 130A, 10V	4 @ 250µA	200 @ 10V	330	-55 to 175	Active
IRF2804PBF	Infineon Technologies	40	75	2.3 @ 75A, 10V	4 @ 250µA	240 @ 10V	300	-55 to 175	Active
IRL1004PBF	Infineon Technologies	40	130	6.5 @ 78A, 10V	1 @ 250µA	100 @ 4.5V	200	-55 to 175	Active

Engineering Selection Recommendations

Primary Substitutes for Direct Replacement:

IRF2204PBF and IRF1404ZPBF are the preferred substitutes for the STP200NF04L. Both devices maintain the 40V voltage rating, exceed the 120A current requirement, and are classified as Active products suitable for new designs. IRF2204PBF provides 210A continuous drain current with 3.6mOhm on-resistance, while IRF1404ZPBF delivers 180A with 3.7mOhm on-resistance. Both support the full -55°C to 175°C operating temperature range and are RoHS3 compliant with REACH unaffected status.

Secondary Substitutes for Current-Limited Applications:

CSD18503KCS (National Semiconductor, NexFET™ series) is suitable for applications requiring 100A or less. This device is Active and provides superior gate charge characteristics (36nC) compared to the original part. However, the maximum operating temperature is limited to 150°C and power dissipation is reduced to 188W.

IPP023N04NGXKSA1 (Infineon OptiMOS™) accommodates 90A applications with excellent on-resistance (2.3mOhm) and is Active for new designs. This part maintains full temperature range compatibility and RoHS3 compliance.

Substitutes Not Recommended for New Designs:

IRF1404PBF and IPP039N04LGXKSA1 are classified as "Not For New Designs" and should be avoided in new product development, though they remain available for legacy system support.

Compliance and Certification:

All recommended Active substitutes maintain RoHS3 compliance, REACH unaffected status, and EAR99 export classification consistent with the original STP200NF04L.

Frequently Asked Questions (FAQ)

Q: Can IRF2204PBF directly replace STP200NF04L in all applications?

A: IRF2204PBF is electrically compatible with STP200NF04L across all critical parameters: 40V voltage rating, 210A continuous current (exceeds 120A requirement), TO-220-3 package, and -55°C to 175°C operating range. Physical pin configuration is identical. Verification of gate drive circuit compatibility is required due to differences in gate charge (200nC vs. 90nC) and input capacitance (5890pF vs. 6400pF).

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

A: TO-220-3 and TO-220AB are equivalent through-hole packages with identical pin configurations and thermal characteristics. The designations reflect different manufacturer nomenclature for the same physical package. All listed substitutes are compatible with existing TO-220-3 footprints.

Q: Why does CSD18503KCS have lower maximum operating temperature than STP200NF04L?

A: CSD18503KCS is rated to 150°C junction temperature versus 175°C for STP200NF04L. This difference reflects the thermal design of the specific device. For applications operating near 150°C, thermal margin analysis is required to confirm adequate safety margin.

Q: How does gate charge affect circuit design when substituting parts?

A: Gate charge (Qg) determines the energy required to switch the MOSFET. STP200NF04L requires 90nC at 4.5V, while IRF2204PBF requires 200nC at 10V. Higher gate charge demands greater drive current or longer switching times. Gate drive circuits must be verified to supply adequate current for the substitute part's gate charge specification.

Q: Are all substitute parts RoHS3 compliant?

A: All Active and Not For New Designs substitutes listed are RoHS3 compliant and REACH unaffected, matching the compliance status of STP200NF04L. Compliance documentation is available from respective manufacturers.

Q: What is the significance of on-resistance (Rds On) differences between substitutes?

A: On-resistance directly affects power dissipation and heat generation. Lower Rds On values reduce conduction losses. IRF2804PBF (2.3mOhm) and IPP023N04NGXKSA1 (2.3mOhm) provide superior efficiency compared to STP200NF04L (3.8mOhm). Applications with high current density benefit from lower on-resistance, while thermal management requirements decrease accordingly.

Q: Can parts rated for lower current (75A-90A) substitute for 120A applications?

A: Parts rated below 120A continuous current are suitable only for applications where actual operating current does not exceed the substitute part's rating. IRF2804PBF (75A) and IPP041N04NGXKSA1 (80A) are not suitable for continuous 120A operation. Current derating analysis is mandatory before selection.

Q: What is the product status significance for component selection?

A: Active status indicates the part is in full production and recommended for new designs. Not For New Designs status indicates the part remains available but is not recommended for new product development. Obsolete status (STP200NF04L) indicates the part is no longer manufactured and substitution is necessary for ongoing production.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message