IPB06N03LB G N-Channel 30V 50A MOSFET Equivalent & Substitute Parts

Part Overview

The IPB06N03LB G is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 30V drain-to-source voltage and 50A continuous drain current in a D2PAK surface mount package. This device is classified as obsolete, making identification of equivalent and substitute parts essential for design continuity and procurement planning. The OptiMOS™ series component delivers 83W maximum power dissipation and operates across the industrial temperature range of -55°C to 175°C.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	30	V
Continuous Drain Current (Id) @ 25°C	50	A (Tc)
On-State Resistance (Rds On Max) @ 50A, 10V	6.3	mOhm
Gate Threshold Voltage (Vgs(th) Max) @ 40µA	2	V
Gate Charge (Qg Max) @ 5V	22	nC
Maximum Gate Voltage (Vgs Max)	±20	V
Input Capacitance (Ciss Max) @ 15V	2782	pF
Power Dissipation (Max)	83	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	D2PAK (TO-263-3)	Surface Mount
Moisture Sensitivity Level	1 (Unlimited)	MSL

Substitute Part Grouping Explanation

Substitution of the IPB06N03LB G is determined by strict electrical and mechanical compatibility within the following criteria:

Mandatory Matching Parameters:

Drain-to-Source Voltage (Vdss): 30V minimum
Package Type: D2PAK (TO-263-3) surface mount configuration
FET Type: N-Channel MOSFET technology
Operating Temperature Range: -55°C to 175°C minimum
Gate Voltage Rating (Vgs Max): ±20V minimum

Allowable Variation Parameters:

Continuous Drain Current (Id): Substitutes must meet or exceed 50A rating
On-State Resistance (Rds On): Lower values are acceptable
Gate Charge (Qg): Lower values are acceptable
Power Dissipation: Equal or greater capacity is acceptable
Input Capacitance (Ciss): Variation acceptable within circuit design constraints

Two substitute parts meet these criteria and are listed below.

Parameter Comparison

Parameter	IPB06N03LB G (Main)	PSMN017-30BL,118	PSMN4R3-30BL,118	Unit
Manufacturer	Infineon Technologies	Nexperia USA Inc.	Nexperia USA Inc.	—
Drain-to-Source Voltage (Vdss)	30	30	30	V
Continuous Drain Current (Id) @ 25°C	50	32	100	A (Tc)
On-State Resistance (Rds On Max)	6.3 @ 50A, 10V	17 @ 10A, 10V	4.1 @ 15A, 10V	mOhm
Gate Threshold Voltage (Vgs(th) Max)	2 @ 40µA	2.15 @ 1mA	2.15 @ 1mA	V
Gate Charge (Qg Max)	22 @ 5V	10.7 @ 10V	41.5 @ 10V	nC
Maximum Gate Voltage (Vgs Max)	±20	±20	±20	V
Input Capacitance (Ciss Max) @ 15V	2782	552	2400	pF
Power Dissipation (Max)	83	47	103	W (Tc)
Operating Temperature Range	-55 to 175	-55 to 175	-55 to 175	°C (TJ)
Package Type	D2PAK (TO-263-3)	D2PAK (TO-263-3)	D2PAK (TO-263-3)	Surface Mount
Product Status	Obsolete	Obsolete	Active	—
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	—
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	MSL
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected	—

Engineering Selection Recommendations

PSMN4R3-30BL,118 (Primary Substitute)

The PSMN4R3-30BL,118 manufactured by Nexperia USA Inc. is the preferred substitute for the obsolete IPB06N03LB G. This device maintains identical voltage and package specifications while providing superior electrical performance. The 100A continuous drain current rating exceeds the original 50A specification, and the 4.1mOhm on-state resistance is significantly lower than the original 6.3mOhm, resulting in reduced power dissipation and improved thermal efficiency. The PSMN4R3-30BL,118 carries Active product status, ensuring long-term availability and supply chain continuity. Full RoHS3 compliance and REACH unaffected status confirm regulatory alignment for current manufacturing standards.

PSMN017-30BL,118 (Secondary Substitute)

The PSMN017-30BL,118 manufactured by Nexperia USA Inc. provides an alternative substitute option. This device matches the 30V voltage rating and D2PAK package configuration. However, the 32A continuous drain current rating falls below the original 50A specification, making this substitute suitable only for applications where the actual operating current does not exceed 32A. The 17mOhm on-state resistance is higher than both the original part and the primary substitute, resulting in increased power dissipation. This part remains classified as Obsolete. Selection of this substitute requires verification that circuit current requirements do not exceed the 32A rating.

Regulatory and Compliance Considerations

Both substitute parts maintain the MSL 1 (Unlimited) moisture sensitivity level and REACH unaffected status of the original component. The PSMN4R3-30BL,118 provides additional assurance through active RoHS3 compliance certification. All three devices operate across the identical -55°C to 175°C temperature range, ensuring thermal compatibility in existing designs.

Frequently Asked Questions (FAQ)

Q: Can the PSMN017-30BL,118 be used as a direct replacement for the IPB06N03LB G in all applications?

A: No. The PSMN017-30BL,118 is rated for 32A continuous drain current, which is 36% lower than the original 50A specification. This substitute is compatible only with applications where the actual operating drain current does not exceed 32A. Circuit analysis must confirm that peak and continuous current demands remain within the 32A limit.

Q: What are the advantages of the PSMN4R3-30BL,118 over the original IPB06N03LB G?

A: The PSMN4R3-30BL,118 provides 100A continuous drain current capacity (double the original 50A), lower on-state resistance (4.1mOhm versus 6.3mOhm), and active product status ensuring ongoing availability. These characteristics result in improved thermal performance and reduced power dissipation in the same D2PAK package footprint.

Q: Are both substitute parts available in the same packaging format as the original?

A: Yes. Both PSMN017-30BL,118 and PSMN4R3-30BL,118 are supplied in D2PAK (TO-263-3) surface mount packages, identical to the original IPB06N03LB G. The PSMN4R3-30BL,118 is supplied in Tape & Reel format, while the PSMN017-30BL,118 is also supplied in Tape & Reel format. Both are compatible with standard surface mount assembly processes.

Q: What is the significance of the product status difference between the substitutes?

A: The PSMN4R3-30BL,118 carries Active status, indicating current production and long-term availability commitment from the manufacturer. The PSMN017-30BL,118 is classified as Obsolete, similar to the original part, which may present future supply constraints. For new designs or long-term production requirements, the PSMN4R3-30BL,118 is the recommended choice.

Q: Do the substitute parts require any circuit design modifications?

A: Both substitute parts maintain the ±20V maximum gate voltage rating and operate across the -55°C to 175°C temperature range of the original device. Gate charge and input capacitance values differ; however, these parameters are typically accommodated within standard gate driver circuit designs. No fundamental circuit topology changes are required for either substitute.

Q: How do the on-state resistance values affect thermal performance?

A: On-state resistance directly determines conduction losses according to the formula P = I²R. The PSMN4R3-30BL,118 with 4.1mOhm resistance generates lower heat than the original 6.3mOhm device at equivalent current levels. The PSMN017-30BL,118 with 17mOhm resistance generates higher losses and is suitable only for lower current applications. Thermal management design should account for these resistance differences.

Q: Are moisture sensitivity and REACH compliance identical across all three parts?

A: Yes. All three devices—IPB06N03LB G, PSMN017-30BL,118, and PSMN4R3-30BL,118—carry MSL 1 (Unlimited) moisture sensitivity level and REACH unaffected status. The PSMN4R3-30BL,118 and PSMN017-30BL,118 additionally carry ROHS3 compliance certification, confirming alignment with current environmental regulations.

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