STB33N60M2 Equivalent & Substitute Parts

Part Overview

The STB33N60M2 is an N-Channel 600V MOSFET manufactured by STMicroelectronics, designed for surface mount applications in the TO-263 (D2PAK) package. This device operates with a continuous drain current of 26A at 25°C and a maximum power dissipation of 190W. The part is currently in Active product status with 3354 units in stock.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to component availability, supply chain considerations, or design flexibility within the same application class. The IPB60R099CPATMA1 from Infineon Technologies represents a functionally compatible alternative, though it carries a Not For New Designs status and differs in specific electrical parameters.

Key Parameters

Parameter	STB33N60M2
Drain to Source Voltage (Vdss)	600 V
Continuous Drain Current (Id) @ 25°C	26A (Tc)
Rds On (Max) @ Id, Vgs	125mOhm @ 13A, 10V
Gate Charge (Qg) (Max) @ Vgs	45.5 nC @ 10 V
Power Dissipation (Max)	190W (Tc)
Operating Temperature Range	-55°C ~ 150°C (TJ)
Package Type	TO-263-3, D2PAK (2 Leads + Tab)
Mounting Type	Surface Mount
RoHS Status	ROHS3 Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for N-Channel MOSFETs in the 600V class is determined by the following critical parameters:

Voltage Rating Compatibility: Both the main part and substitute must maintain the same Drain to Source Voltage (Vdss) of 600V to ensure safe operation within the same circuit topology.

Package Compatibility: The TO-263-3 (D2PAK) package designation must be identical to ensure mechanical fit and thermal performance on the PCB.

Current Handling Capability: The continuous drain current rating must meet or exceed the application requirement. The substitute part may have a higher current rating without creating incompatibility.

On-State Resistance (Rds On): This parameter directly affects power dissipation and switching losses. Substitutes with lower Rds On values provide improved efficiency but must be evaluated within the specific circuit context.

Gate Charge (Qg): This parameter influences switching speed and driver requirements. Variations in gate charge may affect circuit performance in high-frequency applications.

Thermal Characteristics: Maximum power dissipation and operating temperature range must support the intended application environment.

Regulatory Compliance: RoHS3 compliance and REACH status must be maintained for equivalent substitution in regulated markets.

The IPB60R099CPATMA1 meets the voltage rating, package type, and regulatory requirements for substitution consideration, though it exhibits higher current capacity, lower on-state resistance, and increased gate charge compared to the STB33N60M2.

Parameter Comparison

Parameter	STB33N60M2 (STMicroelectronics)	IPB60R099CPATMA1 (Infineon Technologies)	Compatibility Notes
Drain to Source Voltage (Vdss)	600 V	600 V	Matched
Continuous Drain Current (Id) @ 25°C	26A (Tc)	31A (Tc)	Substitute rated higher
Rds On (Max) @ Id, Vgs	125mOhm @ 13A, 10V	99mOhm @ 18A, 10V	Substitute has lower resistance
Gate Charge (Qg) (Max) @ Vgs	45.5 nC @ 10 V	80 nC @ 10 V	Substitute requires higher gate charge
Power Dissipation (Max)	190W (Tc)	255W (Tc)	Substitute rated higher
Operating Temperature Range	-55°C ~ 150°C (TJ)	-55°C ~ 150°C (TJ)	Matched
Package Type	TO-263-3, D2PAK	TO-263-3, D2PAK	Mechanically compatible
Mounting Type	Surface Mount	Surface Mount	Matched
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Matched
Product Status	Active	Not For New Designs	Main part preferred for new designs

Engineering Selection Recommendations

For Active Production and New Designs: The STB33N60M2 is the primary selection. This part maintains Active product status, ensuring long-term availability and supply chain stability. It is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for industrial and commercial applications.

For Existing Designs or Supply Continuity: The IPB60R099CPATMA1 from Infineon Technologies provides functional equivalence within the 600V N-Channel MOSFET class. This substitute shares identical voltage rating, package type, and operating temperature range. However, the Not For New Designs status indicates this part is in end-of-life phase and should not be selected for new product development.

Parameter Considerations for Substitution:

The IPB60R099CPATMA1 exhibits superior electrical characteristics in certain metrics: 31A continuous drain current versus 26A, 99mOhm on-state resistance versus 125mOhm, and 255W maximum power dissipation versus 190W. These improvements reduce conduction losses and thermal stress in power conversion applications.

Conversely, the gate charge requirement increases from 45.5nC to 80nC, which may necessitate driver circuit evaluation in high-frequency switching applications to ensure adequate gate drive capability.

Both parts maintain identical thermal operating range (-55°C to 150°C junction temperature) and regulatory compliance status (ROHS3, REACH unaffected), supporting direct substitution in established applications where component qualification has been completed.

Frequently Asked Questions (FAQ)

Q: Can the IPB60R099CPATMA1 be used as a direct replacement for the STB33N60M2 in existing designs?

A: Yes, within the constraints of your specific circuit design. Both parts share the same 600V voltage rating, TO-263-3 package, and operating temperature range. However, the higher gate charge (80nC vs. 45.5nC) requires verification that your gate driver can supply the additional charge without exceeding maximum gate voltage or introducing unacceptable switching delays. The lower on-state resistance may also reduce thermal stress on the PCB.

Q: Why does the IPB60R099CPATMA1 have a "Not For New Designs" status?

A: This designation indicates the part is in end-of-life phase and Infineon Technologies is not recommending it for new product development. Existing inventory may be available, but long-term supply cannot be guaranteed. For new designs, the STB33N60M2 (Active status) is the appropriate selection.

Q: Are there mechanical compatibility issues between these two parts?

A: No. Both parts use the TO-263-3 (D2PAK) package with identical pin configuration and thermal tab design. PCB footprints and thermal management layouts designed for one part will accommodate the other without modification.

Q: How do the electrical performance differences affect circuit design?

A: The IPB60R099CPATMA1 provides higher current capacity (31A vs. 26A) and lower on-state resistance (99mOhm vs. 125mOhm), resulting in reduced conduction losses and improved thermal performance. The increased gate charge (80nC vs. 45.5nC) requires gate driver evaluation to ensure adequate charge delivery capability. In applications operating near the 26A limit of the STB33N60M2, the substitute offers improved margin and efficiency.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the STB33N60M2 and IPB60R099CPATMA1 are ROHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance regulations for industrial and commercial markets.

Q: What is the significance of the different packaging designations (Cut Tape vs. Tape & Reel)?

A: Cut Tape (CT) and Digi-Reel® packaging for the STB33N60M2 indicates individual component handling, while Tape & Reel (TR) packaging for the IPB60R099CPATMA1 indicates automated assembly compatibility. Both formats contain identical components; packaging selection depends on manufacturing process requirements and volume considerations.

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