STB60NF06LT4 Equivalent & Substitute Parts

Part Overview

The STB60NF06LT4 is an N-Channel 60V 60A MOSFET manufactured by STMicroelectronics in the STripFET™ II series. This surface mount device is housed in a D2PAK (TO-263-3) package and is rated for 110W continuous power dissipation at case temperature. The part is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Substitute parts are necessary when the primary device becomes unavailable, when alternative manufacturers are preferred for supply chain diversification, or when design requirements allow for compatible alternatives with equivalent or superior electrical characteristics within the same package family.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	60	A (Tc)
RDS(on) Max @ Id, Vgs	14	mOhm @ 30A, 10V
Gate Threshold Voltage (Vgs(th)) Max @ Id	1	V @ 250µA
Gate Charge (Qg) Max @ Vgs	66	nC @ 4.5V
Power Dissipation Max (Tc)	110	W
Operating Temperature Range	-65 to 175	°C (TJ)
Package Type	D2PAK (TO-263-3)	Surface Mount
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of N-Channel MOSFETs in the D2PAK package is determined by the following critical parameters:

Primary Substitution Criteria:

Drain to Source Voltage (Vdss) must be equal to or greater than 60V
Continuous Drain Current (Id) must be equal to or greater than 60A at 25°C case temperature
Package type must be D2PAK (TO-263-3) for mechanical and thermal compatibility
RDS(on) characteristics must support equivalent or improved performance at specified gate drive voltages
Operating temperature range must encompass the application requirements

Secondary Compatibility Factors:

Gate threshold voltage (Vgs(th)) compatibility with existing drive circuitry
Gate charge (Qg) characteristics affecting switching speed and drive requirements
Power dissipation capability (Tc rating) for thermal management
RoHS3 compliance and MSL rating for manufacturing process compatibility

Substitute parts are grouped into two categories: Direct Equivalents (matching or exceeding all primary criteria with Vdss = 60V) and Higher Voltage Alternatives (Vdss > 60V, suitable when voltage headroom is available).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	RDS(on) Max (mOhm)	Qg Max (nC)	Pd Max (W)	Product Status	Package
STB60NF06LT4	STMicroelectronics	60	60	14 @ 30A, 10V	66 @ 4.5V	110	Active	D2PAK
BUK7613-60E,118	Nexperia USA Inc.	60	58	13 @ 15A, 10V	22.9 @ 10V	96	Active	D2PAK
BUK9612-55B,118	Nexperia USA Inc.	55	75	10 @ 25A, 10V	31 @ 5V	157	Active	D2PAK
FDB13AN06A0	onsemi	60	62	13.5 @ 62A, 10V	29 @ 10V	115	Active	D2PAK
HUF76439S3ST	onsemi	60	75	12 @ 75A, 10V	84 @ 10V	180	Active	D2PAK
IRF1010ESTRLPBF	Infineon Technologies	60	84	12 @ 50A, 10V	130 @ 10V	200	Active	D2PAK
IRF1010NSTRLPBF	Infineon Technologies	55	85	11 @ 43A, 10V	120 @ 10V	180	Active	D2PAK
IRF1010ZSTRLPBF	Infineon Technologies	55	75	7.5 @ 75A, 10V	95 @ 10V	140	Not For New Designs	D2PAK
IRF2807STRLPBF	Infineon Technologies	75	82	13 @ 43A, 10V	160 @ 10V	230	Active	D2PAK
IRF3205STRLPBF	Infineon Technologies	55	110	8 @ 62A, 10V	146 @ 10V	200	Active	D2PAK
IRFS3806TRLPBF	Infineon Technologies	60	43	15.8 @ 25A, 10V	30 @ 10V	71	Active	D2PAK

Engineering Selection Recommendations

Direct Equivalents (Vdss = 60V, Id ≥ 60A):

The following parts provide direct substitution capability with matching or superior electrical performance:

FDB13AN06A0 (onsemi): Meets minimum current requirement at 62A with improved RDS(on) of 13.5mOhm. Power dissipation of 115W exceeds the STB60NF06LT4 specification. Active product status with full compliance. Suitable for direct replacement in existing designs.
HUF76439S3ST (onsemi): Exceeds current rating at 75A with superior RDS(on) of 12mOhm and enhanced power dissipation of 180W. Active product status. Provides performance margin for demanding applications.
IRF1010ESTRLPBF (Infineon Technologies): Highest current capability at 84A with 12mOhm RDS(on) and 200W power dissipation. Active product status. Suitable for applications requiring maximum current headroom.

Higher Voltage Alternatives (Vdss > 60V):

IRF2807STRLPBF (Infineon Technologies): 75V rating with 82A continuous current and 13mOhm RDS(on). Active product status. Applicable when circuit design permits higher voltage rating for improved reliability margin.

Not Recommended for New Designs:

IRF1010ZSTRLPBF (Infineon Technologies): Product status is "Not For New Designs." While electrical parameters are acceptable, this part should not be selected for new circuit development.

Marginal Substitutes (Below Minimum Current Requirement):

IRFS3806TRLPBF (Infineon Technologies): Continuous drain current of 43A falls below the 60A requirement of the STB60NF06LT4. Not suitable for direct substitution in applications requiring full 60A capability.

Lower Voltage Alternatives (Vdss < 60V):

BUK9612-55B,118 (Nexperia USA Inc.): 55V rating with 75A current capability. Applicable only when circuit design operates below 55V and voltage margin is acceptable.
IRF1010NSTRLPBF (Infineon Technologies): 55V rating with 85A current capability. Applicable only when circuit design operates below 55V.
IRF3205STRLPBF (Infineon Technologies): 55V rating with 110A current capability. Applicable only when circuit design operates below 55V.

Marginal Voltage Match:

BUK7613-60E,118 (Nexperia USA Inc.): Matches 60V rating with 58A continuous current, slightly below the 60A specification. RDS(on) of 13mOhm is superior. Acceptable for applications where 58A meets functional requirements.

All recommended substitutes maintain D2PAK package compatibility, RoHS3 compliance, and MSL 1 rating. Operating temperature ranges of -55°C to 175°C or -65°C to 175°C are compatible with the STB60NF06LT4 specification.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with lower Vdss rating (55V instead of 60V)?

A: Lower Vdss ratings reduce voltage safety margin. Substitution is permissible only when the circuit design operates at voltages below 55V with adequate margin. For circuits designed for 60V operation, parts with 60V or higher Vdss rating are required.

Q: What is the significance of RDS(on) differences between substitute parts?

A: RDS(on) directly affects power dissipation and heat generation. Lower RDS(on) values reduce losses and improve efficiency. The STB60NF06LT4 specifies 14mOhm maximum. Substitutes with lower RDS(on) (such as 12mOhm or 13mOhm) provide improved thermal performance. Higher RDS(on) values increase power dissipation and may require enhanced thermal management.

Q: Why do some substitute parts have significantly higher gate charge (Qg)?

A: Gate charge affects switching speed and driver circuit requirements. Higher Qg values (such as 130nC or 160nC compared to 66nC) require more charge delivery from the gate driver, potentially increasing switching losses and heat generation. Parts with lower Qg values improve switching efficiency but may have other trade-offs in current or voltage ratings.

Q: Is the D2PAK package identical across all manufacturers?

A: Yes. All listed substitute parts use the D2PAK (TO-263-3) package designation with 2 leads plus tab. This ensures mechanical and thermal compatibility. PCB footprints and heatsink mounting interfaces are standardized across manufacturers.

Q: Can I substitute a part with higher current rating (e.g., 84A instead of 60A)?

A: Yes. Higher current ratings provide design margin and are fully compatible. The device will operate within its specifications at the lower required current. No circuit modifications are necessary. This approach is beneficial for applications with potential future current increases or for improved reliability.

Q: What does "Not For New Designs" product status mean?

A: This designation indicates the manufacturer is discontinuing the part or transitioning to newer alternatives. While existing inventory may be available, new circuit designs should not incorporate these parts. Use active status parts for new development to ensure long-term supply availability.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance certification, matching the STB60NF06LT4 specification. This ensures compatibility with manufacturing processes and regulatory requirements.

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

A: Selection depends on three factors: (1) Required Vdss rating—use 60V or higher unless circuit design permits lower voltage; (2) Required continuous current—select parts rated at or above 60A; (3) Thermal requirements—higher power dissipation ratings (Pd) provide better thermal margin. Active product status is mandatory for new designs.

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

A: Tc (case temperature) ratings assume the device case is maintained at 25°C through adequate heatsinking. Ta (ambient temperature) ratings assume free-air operation without heatsinking. Tc ratings are higher and represent the device's true current capability with proper thermal management. Use Tc ratings for applications with heatsinks.

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