STD30NF06 N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The STD30NF06 is an N-Channel 60V 28A MOSFET manufactured by STMicroelectronics in the STripFET™ II series, housed in a DPAK (TO-252-3) surface mount package. This device is classified as obsolete, indicating discontinuation from active production. The part delivers 70W maximum power dissipation and operates across a temperature range of -55°C to 175°C. Due to its obsolete status, equivalent and substitute parts from active product lines are necessary for new designs and ongoing production requirements.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	28	A (Tc)
On-Resistance (Rds On) @ 15A, 10V	28	mOhm
Gate Threshold Voltage (Vgs(th)) @ 250µA	4	V
Gate Charge (Qg) @ 10V	58	nC
Input Capacitance (Ciss) @ 25V	1750	pF
Power Dissipation (Max)	70	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	DPAK (TO-252-3)	Surface Mount
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the STD30NF06 is determined by the following critical parameters:

Electrical Compatibility Criteria:

Drain to Source Voltage (Vdss) must equal or exceed 60V
Continuous Drain Current (Id) must meet or exceed 28A at 25°C
On-Resistance (Rds On) characteristics must support equivalent switching performance
Gate Threshold Voltage (Vgs(th)) must fall within compatible operating ranges
Operating temperature range must span -55°C to 175°C minimum

Mechanical Compatibility Criteria:

Package type must be DPAK (TO-252-3) surface mount configuration
Pin configuration must match the 2 Leads + Tab standard

Compliance Criteria:

RoHS3 compliance required
Moisture Sensitivity Level (MSL) of 1 (Unlimited) preferred

Substitute parts are grouped into two categories: parametric equivalents (matching all key electrical specifications) and functional alternatives (meeting minimum electrical requirements with acceptable trade-offs in current rating or on-resistance).

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On @ 10V (mOhm)	Vgs(th) (V)	Qg @ 10V (nC)	Ciss @ 25V (pF)	Power Diss. (W)	Temp Range (°C)	Status	Package
STD30NF06	STMicroelectronics	60	28	28 @ 15A	4	58	1750	70	-55 to 175	Obsolete	DPAK
STD30NF06T4	STMicroelectronics	60	28	28 @ 15A	4	58	1750	70	-55 to 175	Active	DPAK
STD30NF06LT4	STMicroelectronics	60	35	28 @ 18A	2.5	31	1600	70	-55 to 175	Active	DPAK
IPD25N06S4L30ATMA2	Infineon Technologies	60	25	30 @ 25A	2.2	16.3	1220	29	-55 to 175	Active	DPAK
IRFR4105TRPBF	Infineon Technologies	55	27	45 @ 16A	4	34	700	68	-55 to 175	Active	DPAK
IRFR4105ZTRPBF	Infineon Technologies	55	30	24.5 @ 18A	4	27	740	48	-55 to 175	Not For New Designs	DPAK
FDD5680	onsemi	60	8.5	21 @ 8.5A	4	46	1835	60 (Tc)	-55 to 150	Active	DPAK
NVD5C688NLT4G	onsemi	60	17	27.4 @ 10A	2.1	3.4	400	18	-55 to 175	Active	DPAK
IRFR1205TRPBF	Infineon Technologies	55	44	27 @ 26A	4	65	1300	107	-55 to 175	Active	DPAK

Engineering Selection Recommendations

Parametric Equivalent (Direct Replacement):

STD30NF06T4 is the primary equivalent for the obsolete STD30NF06. This part maintains identical electrical specifications including 60V Vdss, 28A continuous drain current, 28mOhm on-resistance, and 70W power dissipation. The STD30NF06T4 is in active production status with 59,650 units in stock, ensuring supply continuity. Both parts share the STripFET™ II series designation and DPAK packaging. RoHS3 compliance and MSL 1 rating are maintained.

Enhanced Current Rating Alternative:

STD30NF06LT4 provides increased current capability at 35A continuous drain current while maintaining 60V Vdss and 70W power dissipation. This part operates within the same temperature range and package configuration. The lower gate threshold voltage (2.5V vs. 4V) and reduced gate charge (31nC vs. 58nC) offer improved switching characteristics. Active production status with 20,400 units in stock supports long-term availability.

Automotive-Qualified Alternative:

IPD25N06S4L30ATMA2 (Infineon OptiMOS™) meets automotive qualification AEC-Q101 with 60V Vdss and 25A continuous drain current. This part is suitable for applications requiring automotive-grade components. The lower gate charge (16.3nC) and reduced input capacitance (1220pF) provide faster switching response. Power dissipation is rated at 29W, limiting use to lower-power applications.

Lower Voltage Alternatives:

IRFR4105TRPBF and IRFR1205TRPBF operate at 55V Vdss, which is acceptable for applications with maximum supply voltages below 55V. IRFR4105TRPBF provides 27A at 55V with 68W power dissipation. IRFR1205TRPBF delivers 44A at 55V with 107W power dissipation, suitable for high-current applications. Both maintain -55°C to 175°C operating range and DPAK packaging.

Current-Limited Alternative:

FDD5680 (onsemi PowerTrench®) operates at 60V Vdss with 8.5A continuous drain current, suitable only for low-current applications. Operating temperature range is limited to -55°C to 150°C. This part is not recommended for applications requiring the full 28A current capability of the original STD30NF06.

Parts Not Recommended for New Designs:

IRFR4105ZTRPBF carries a "Not For New Designs" status despite meeting electrical requirements. This designation indicates manufacturer discontinuation plans and should be avoided in new product development.

Frequently Asked Questions (FAQ)

Q: Can STD30NF06T4 be used as a direct replacement for STD30NF06?

A: Yes. STD30NF06T4 is a parametric equivalent with identical electrical specifications (60V, 28A, 28mOhm Rds On, 70W power dissipation) and DPAK packaging. The primary difference is product status: STD30NF06T4 is active production while STD30NF06 is obsolete. Both share the STripFET™ II series designation.

Q: What is the advantage of STD30NF06LT4 over STD30NF06T4?

A: STD30NF06LT4 provides higher continuous drain current (35A vs. 28A) while maintaining the same 60V voltage rating and 70W power dissipation. Gate charge is reduced from 58nC to 31nC, enabling faster switching. Gate threshold voltage is lower (2.5V vs. 4V), reducing drive requirements. These improvements make STD30NF06LT4 suitable for applications requiring higher current capacity or improved switching performance.

Q: Can I use IRFR4105TRPBF in place of STD30NF06?

A: IRFR4105TRPBF is a functional alternative with limitations. It operates at 55V Vdss (5V lower than the original 60V specification) and provides 27A continuous current (1A less than the original 28A). On-resistance is higher at 45mOhm versus 28mOhm. This part is suitable only for applications with maximum supply voltages below 55V and where the higher on-resistance does not create thermal or efficiency concerns.

Q: Is automotive qualification required for my application?

A: If your application requires automotive-grade components, IPD25N06S4L30ATMA2 is the only substitute with AEC-Q101 qualification. This part operates at 60V with 25A continuous current and includes automotive-specific reliability testing. Standard industrial-grade alternatives (STD30NF06T4, STD30NF06LT4) do not carry automotive qualification.

Q: What is the difference between IRFR4105TRPBF and IRFR4105ZTRPBF?

A: Both parts operate at 55V with similar electrical characteristics. IRFR4105TRPBF is in active production status and recommended for new designs. IRFR4105ZTRPBF carries a "Not For New Designs" status, indicating planned discontinuation. For new product development, IRFR4105TRPBF is the appropriate choice.

Q: Can FDD5680 replace STD30NF06 in high-current applications?

A: No. FDD5680 is limited to 8.5A continuous drain current, significantly below the original part's 28A rating. This part is suitable only for low-current applications. Additionally, the operating temperature range is limited to -55°C to 150°C, which may not meet applications requiring operation to 175°C.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original STD30NF06 environmental specifications.

Q: What packaging considerations apply to these substitutes?

A: All substitute parts use DPAK (TO-252-3) surface mount packaging with 2 Leads + Tab configuration, maintaining mechanical compatibility with the original STD30NF06. PCB layout and thermal management considerations remain consistent across all listed alternatives.

Q: Which substitute offers the best switching performance?

A: STD30NF06LT4 provides the lowest gate charge (31nC at 10V) and lowest gate threshold voltage (2.5V), enabling the fastest switching response. IPD25N06S4L30ATMA2 offers the lowest gate charge (16.3nC at 10V) but is limited to 25A current capacity. Selection depends on whether maximum current capacity or switching speed is the priority for your application.

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