IXTY12N06T N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IXTY12N06T is an N-Channel MOSFET manufactured by IXYS in the TrenchMV™ series, rated for 60V drain-to-source voltage and 12A continuous drain current in a TO-252-3 (DPAK) surface mount package. This device is classified as obsolete product status. Identification of equivalent and substitute parts is necessary to maintain design continuity and ensure component availability for production and repair applications.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	60	V
Continuous Drain Current (Id) @ 25°C	12	A
Rds On (Max) @ 6A, 10V	85	mOhm
Gate Threshold Voltage (Vgs(th)) @ 25µA	4	V
Gate Charge (Qg) @ 10V	3.4	nC
Power Dissipation (Max)	33	W
Operating Temperature Range	-55 to 175	°C
Package Type	TO-252-3 (DPAK)	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution of the IXTY12N06T is determined by the following critical electrical and mechanical parameters:

Primary Substitution Criteria:

Drain-to-Source Voltage (Vdss): Must equal or exceed 60V
Continuous Drain Current (Id): Must equal or exceed 12A at 25°C
Gate Threshold Voltage (Vgs(th)): Must be compatible within ±20V gate voltage range
Package Type: Must be TO-252-3 (DPAK) or equivalent surface mount package
FET Type: N-Channel MOSFET technology
Mounting: Surface mount configuration

Secondary Compatibility Factors:

On-resistance (Rds On): Lower values indicate improved performance
Gate Charge (Qg): Lower values reduce switching losses
Operating Temperature Range: Must support -55°C to 175°C minimum
Moisture Sensitivity Level: MSL 1 (Unlimited) preferred for reliability

Substitute parts are grouped into two categories: Direct Equivalents (matching all primary criteria) and Functional Alternatives (meeting minimum electrical requirements with acceptable trade-offs in secondary parameters).

Parameter Comparison

Part Number	Manufacturer	Vdss (V)	Id @ 25°C (A)	Rds On @ 10V (mOhm)	Vgs(th) (V)	Qg @ 10V (nC)	Power Dissipation (W)	Temp Range (°C)	Package	Status
IXTY12N06T	IXYS	60	12	85 @ 6A	4 @ 25µA	3.4	33	-55 to 175	TO-252-3	Obsolete
STD12NF06T4	STMicroelectronics	60	12	100 @ 6A	4 @ 250µA	12	30	-55 to 175	TO-252-3	Active
NTD3055-094T4G	onsemi	60	12	94 @ 6A	4 @ 250µA	20	1.5 (Ta), 48 (Tj)	-55 to 175	TO-252-3	Active
IRFR024NTRPBF	Infineon Technologies	55	17	75 @ 10A	4 @ 250µA	20	45	-55 to 175	TO-252-3	Active
IRFR024NTRLPBF	Infineon Technologies	55	17	75 @ 10A	4 @ 250µA	20	45	-55 to 175	TO-252-3	Not For New Designs
DMN6068LK3-13	Diodes Incorporated	60	6	68 @ 12A	3 @ 250µA	10.3	2.12	-55 to 150	TO-252-3	Active
RSD050N06TL	Rohm Semiconductor	60	5	109 @ 5A	3 @ 1mA	8	15	-55 to 150	TO-252-3	Active
ZXMN6A08KTC	Diodes Incorporated	60	5.36	80 @ 4.8A	3 @ 250µA	5.8	2.12	-55 to 150	TO-252-3	Active

Engineering Selection Recommendations

Direct Equivalent (Recommended Primary Substitutes):

STD12NF06T4 (STMicroelectronics) — Active product status. Matches 60V/12A electrical specification. On-resistance of 100mOhm is within acceptable tolerance of the original 85mOhm. Operating temperature range -55°C to 175°C matches the original specification. RoHS3 compliant. TO-252-3 package compatibility confirmed. Suitable for direct replacement in new designs and production.

NTD3055-094T4G (onsemi) — Active product status. Matches 60V/12A electrical specification. On-resistance of 94mOhm is comparable to the original 85mOhm. Operating temperature range -55°C to 175°C matches the original specification. RoHS3 compliant. TO-252-3 package compatibility confirmed. Suitable for direct replacement in new designs and production.

Functional Alternatives (Higher Current Capability):

IRFR024NTRPBF (Infineon Technologies) — Active product status. Provides 55V/17A rating, exceeding the 12A requirement. On-resistance of 75mOhm is superior to the original 85mOhm. Operating temperature range -55°C to 175°C matches the original specification. RoHS3 compliant. TO-252-3 package compatibility confirmed. Suitable for applications requiring higher current margin.

Functional Alternatives (Lower Current Capability):

DMN6068LK3-13 (Diodes Incorporated) — Active product status. Provides 60V/6A rating, which is below the 12A requirement. On-resistance of 68mOhm is superior to the original 85mOhm. Operating temperature range -55°C to 150°C is reduced compared to the original -55°C to 175°C. RoHS3 compliant. TO-252-3 package compatibility confirmed. Suitable only for applications with reduced current requirements.

RSD050N06TL (Rohm Semiconductor) — Active product status. Provides 60V/5A rating, which is below the 12A requirement. Operating temperature range -55°C to 150°C is reduced compared to the original -55°C to 175°C. RoHS3 compliant. TO-252-3 package compatibility confirmed. Suitable only for applications with reduced current requirements.

ZXMN6A08KTC (Diodes Incorporated) — Active product status. Provides 60V/5.36A rating, which is below the 12A requirement. Operating temperature range -55°C to 150°C is reduced compared to the original -55°C to 175°C. RoHS3 compliant. TO-252-3 package compatibility confirmed. Suitable only for applications with reduced current requirements.

Not Recommended:

IRFR024NTRLPBF (Infineon Technologies) — Product status is "Not For New Designs." Although electrical specifications are acceptable, this part should not be selected for new applications.

Frequently Asked Questions (FAQ)

Q: Can STD12NF06T4 directly replace IXTY12N06T in all applications?

A: STD12NF06T4 meets the primary electrical specifications (60V, 12A) and package requirements (TO-252-3). The on-resistance difference (100mOhm vs. 85mOhm) results in slightly higher power dissipation but remains within acceptable engineering tolerance for most applications. Thermal design verification is recommended for high-power applications.

Q: What is the key difference between NTD3055-094T4G and STD12NF06T4?

A: Both parts meet the 60V/12A specification and TO-252-3 package requirement. NTD3055-094T4G has on-resistance of 94mOhm compared to STD12NF06T4 at 100mOhm, resulting in lower power dissipation. NTD3055-094T4G specifies power dissipation as 1.5W (Ta) and 48W (Tj), while STD12NF06T4 specifies 30W (Tc). Selection depends on thermal management requirements and measurement conditions.

Q: Why is IRFR024NTRPBF listed as a substitute if it has only 55V rating?

A: IRFR024NTRPBF provides 55V/17A specification, which exceeds the 12A current requirement of the original part. The 5V reduction in Vdss (60V to 55V) is acceptable for most applications operating below 55V. The superior on-resistance (75mOhm) and higher current capability provide design margin. This part is suitable for applications where the actual operating voltage does not exceed 55V.

Q: Can DMN6068LK3-13 be used as a substitute?

A: DMN6068LK3-13 is rated for 60V but only 6A continuous drain current, which is 50% of the IXTY12N06T specification. This part is suitable only for applications with reduced current requirements. Additionally, the operating temperature range is limited to -55°C to 150°C compared to the original -55°C to 175°C. Verify application current and temperature requirements before selection.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed in this reference are RoHS3 compliant. The original IXTY12N06T does not specify RoHS status, but all active and recommended substitute parts meet RoHS3 requirements.

Q: What is the significance of Moisture Sensitivity Level (MSL) 1?

A: MSL 1 indicates unlimited moisture sensitivity, meaning the component does not require special moisture control during storage and handling. All parts listed, including the original IXTY12N06T and all substitutes, carry MSL 1 rating, ensuring compatibility with standard manufacturing and storage procedures.

Q: Should I select a substitute with higher current rating than 12A?

A: Selection of higher-rated parts such as IRFR024NTRPBF (17A) provides design margin and thermal headroom. However, verify that the lower Vdss rating (55V vs. 60V) is acceptable for your application voltage. Higher current-rated parts may have different gate charge characteristics, affecting switching speed and EMI performance.

Q: What is the impact of gate charge (Qg) differences on circuit performance?

A: Gate charge affects switching speed and driver circuit requirements. The original IXTY12N06T has Qg of 3.4nC, while most substitutes range from 5.8nC to 20nC. Higher gate charge requires more driver current and increases switching losses. For high-frequency switching applications, verify that the gate driver circuit can supply adequate current for the selected substitute part.

Q: Are there package compatibility concerns between TO-252-3 variants?

A: All substitute parts use TO-252-3 (DPAK) package designation. Mechanical compatibility is confirmed across all listed parts. However, verify PCB footprint and thermal pad design with the specific manufacturer datasheet, as thermal pad dimensions may vary slightly between manufacturers.

Q: Why is IXTY12N06T classified as obsolete?

A: Obsolete product status indicates the part is no longer manufactured by IXYS and is not available from primary distribution channels. The substitute parts listed represent active alternatives from other manufacturers that meet or exceed the electrical and mechanical specifications of the original part.

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