IPB06N03LA N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IPB06N03LA is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 25V drain-to-source voltage with 50A continuous drain current in a Surface Mount TO-263-3 (D2PAK) package. This device is classified as Obsolete product status. Due to obsolescence, equivalent substitute parts from active product lines are necessary to maintain design continuity and ensure long-term component availability for new production and field replacements.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	25	V
Current - Continuous Drain (Id) @ 25°C	50	A (Tc)
Rds On (Max) @ Id, Vgs	5.9 mOhm @ 30A, 10V	mOhm
Gate Charge (Qg) (Max) @ Vgs	22	nC @ 5V
Power Dissipation (Max)	83	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	TO-263-3, D2PAK	Surface Mount
Vgs (Max)	±20	V
Input Capacitance (Ciss) (Max) @ Vds	2653	pF @ 15V

Substitute Part Grouping Explanation

Substitution of the IPB06N03LA is determined by the following critical parameters that must remain within acceptable operating ranges:

Mandatory Compatibility Criteria:

Drain to Source Voltage (Vdss): Substitute must equal or exceed 25V
Package Type: Must be TO-263-3 or D2PAK (Surface Mount, 2 Leads + Tab)
FET Type: N-Channel MOSFET technology
Operating Temperature Range: Must support -55°C to 175°C (TJ)
Gate Drive Voltage: Compatible with 4.5V to 10V drive levels
Vgs (Max): Must support ±20V gate voltage

Performance Parameters for Functional Equivalence:

Continuous Drain Current (Id): Substitute must support minimum 50A at 25°C
Rds On (Max): Lower or equal on-resistance preferred for thermal performance
Gate Charge (Qg): Lower values reduce switching losses
Power Dissipation: Substitute thermal capability must match or exceed application requirements

The substitute parts listed below meet these criteria within the specified electrical and mechanical constraints.

Parameter Comparison

Parameter	IPB06N03LA (Main)	PSMN4R3-30BL,118	PSMN017-30BL,118	Unit
Manufacturer	Infineon Technologies	Nexperia USA Inc.	Nexperia USA Inc.	-
Drain to Source Voltage (Vdss)	25	30	30	V
Current - Continuous Drain (Id) @ 25°C	50	100	32	A (Tc)
Rds On (Max) @ Id, Vgs	5.9 @ 30A, 10V	4.1 @ 15A, 10V	17 @ 10A, 10V	mOhm
Gate Charge (Qg) (Max) @ Vgs	22 @ 5V	41.5 @ 10V	10.7 @ 10V	nC
Power Dissipation (Max)	83	103	47	W (Tc)
Operating Temperature Range	-55 to 175	-55 to 175	-55 to 175	°C (TJ)
Package Type	TO-263-3, D2PAK	D2PAK	D2PAK	Surface Mount
Vgs (Max)	±20	±20	±20	V
Input Capacitance (Ciss) (Max) @ Vds	2653 @ 15V	2400 @ 15V	552 @ 15V	pF
Product Status	Obsolete	Active	Obsolete	-
RoHS Status	RoHS non-compliant	ROHS3 Compliant	ROHS3 Compliant	-

Engineering Selection Recommendations

PSMN4R3-30BL,118 (Primary Substitute)

This part is the preferred substitute for the IPB06N03LA. It is classified as Active product status, ensuring long-term availability and supply chain continuity. The PSMN4R3-30BL,118 exceeds the original specifications with 100A continuous drain current (versus 50A) and 30V Vdss rating (versus 25V), providing design margin for thermal and voltage stress. The lower on-resistance of 4.1 mOhm at 15A, 10V compared to the original 5.9 mOhm at 30A, 10V results in reduced power dissipation and improved thermal performance. The device is ROHS3 compliant, meeting current environmental and regulatory requirements. Package compatibility is confirmed as D2PAK (TO-263-3). Gate charge of 41.5 nC is higher than the original 22 nC, which may increase switching losses in high-frequency applications but remains within acceptable limits for most industrial applications.

PSMN017-30BL,118 (Secondary Substitute)

This part provides an alternative substitute option with 32A continuous drain current and 30V Vdss rating. While the current rating of 32A is lower than the original 50A specification, this device is suitable for applications where the actual operating current does not exceed 32A. The PSMN017-30BL,118 features significantly lower gate charge (10.7 nC) and input capacitance (552 pF), which reduces switching losses and improves efficiency in switching applications. The device is ROHS3 compliant. However, this part is classified as Obsolete product status, which may limit future availability. The higher on-resistance of 17 mOhm at 10A, 10V results in greater power dissipation compared to both the original part and the PSMN4R3-30BL,118.

Compliance and Certification:

Both substitute parts are ROHS3 compliant, addressing environmental regulations that the original IPB06N03LA does not meet. Both devices maintain REACH Unaffected status and EAR99 export classification. Moisture Sensitivity Level (MSL) remains at 1 (Unlimited) for all parts, indicating no special moisture handling requirements.

Frequently Asked Questions (FAQ)

Q: Can PSMN4R3-30BL,118 directly replace IPB06N03LA without circuit modifications?

A: Yes, the PSMN4R3-30BL,118 is a direct pin-compatible replacement in the D2PAK package. The higher voltage rating (30V vs. 25V) and higher current rating (100A vs. 50A) provide design margin. Gate drive voltage compatibility (4.5V to 10V) is identical. No circuit modifications are required for standard applications operating within the original IPB06N03LA specifications.

Q: What is the impact of higher gate charge in PSMN4R3-30BL,118?

A: The PSMN4R3-30BL,118 has gate charge of 41.5 nC compared to 22 nC in the original part. This increases the energy required to switch the gate and may increase switching losses in high-frequency applications. For applications operating below 100 kHz, this difference is typically negligible. For applications above 500 kHz, evaluate switching loss impact using the gate charge specification and actual gate drive circuit parameters.

Q: Is PSMN017-30BL,118 suitable for all IPB06N03LA applications?

A: PSMN017-30BL,118 is suitable only for applications where the continuous drain current does not exceed 32A. The original IPB06N03LA is rated for 50A, so this substitute is not appropriate for designs requiring the full 50A capability. Verify actual operating current in your application before selecting this part.

Q: Why is PSMN4R3-30BL,118 recommended over PSMN017-30BL,118?

A: PSMN4R3-30BL,118 is Active product status, ensuring long-term availability, while PSMN017-30BL,118 is Obsolete. Additionally, PSMN4R3-30BL,118 provides higher current rating (100A vs. 32A), lower on-resistance (4.1 mOhm vs. 17 mOhm), and higher power dissipation capability (103W vs. 47W), offering greater design flexibility and thermal performance.

Q: Are there package compatibility concerns with D2PAK substitutes?

A: No. Both substitute parts use the D2PAK package, which is electrically and mechanically identical to the TO-263-3 package of the original IPB06N03LA. Pin assignments, lead spacing, and thermal tab configuration are compatible. PCB layout modifications are not required.

Q: What is the difference in on-resistance between these parts?

A: IPB06N03LA: 5.9 mOhm @ 30A, 10V; PSMN4R3-30BL,118: 4.1 mOhm @ 15A, 10V; PSMN017-30BL,118: 17 mOhm @ 10A, 10V. Lower on-resistance reduces conduction losses and heat generation. PSMN4R3-30BL,118 provides superior thermal performance. Note that on-resistance specifications are measured at different current levels; direct comparison requires normalization to the same operating point.

Q: Do these substitutes support the same operating temperature range?

A: Yes. All three parts support -55°C to 175°C (TJ) operating temperature range, ensuring compatibility across industrial and automotive temperature specifications.

Q: What is the RoHS compliance status of each part?

A: IPB06N03LA is RoHS non-compliant. PSMN4R3-30BL,118 and PSMN017-30BL,118 are both ROHS3 compliant, meeting current environmental regulations for new designs and production.

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