IRLS4030PBF N-Channel MOSFET 100V 180A Equivalent & Substitute Parts

Part Overview

The IRLS4030PBF is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 100V drain-to-source voltage and 180A continuous drain current in a D2PAK surface mount package. This device is part of the HEXFET® series and is classified as discontinued at DiGi Electronics. Due to its discontinued status, equivalent and substitute parts from active manufacturers are necessary for ongoing design support and production requirements. Substitute parts listed maintain compatibility with the D2PAK package footprint and operate within the same voltage and temperature ranges.

Key Parameters

Parameter	Value	Unit
Drain to Source Voltage (Vdss)	100	V
Continuous Drain Current (Id) @ 25°C	180	A (Tc)
Rds On (Max) @ Id, Vgs	4.3	mOhm @ 110A, 10V
Gate Charge (Qg) (Max) @ Vgs	130	nC @ 4.5V
Power Dissipation (Max)	370	W (Tc)
Operating Temperature Range	-55 to 175	°C (TJ)
Package Type	D2PAK (TO-263-3)	Surface Mount
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the IRLS4030PBF is determined by the following critical parameters:

Voltage Rating: All substitute parts maintain the 100V Vdss specification, ensuring compatibility with the original circuit voltage requirements.

Package Type: All substitute parts use the D2PAK (TO-263-3) surface mount package, providing direct footprint compatibility without PCB redesign.

Operating Temperature Range: All substitute parts operate across the -55°C to 175°C temperature range, matching the original device specifications.

Drain Current Capability: Substitute parts are grouped into two categories based on continuous drain current ratings. Parts rated at 120A (PSMN3R8-100BS,118; PSMN4R8-100BSEJ; SQM120N10-3M8_GE3) provide reduced current capacity compared to the original 180A rating. The BUK964R4-40B,118 operates at a reduced 40V voltage rating and 75A current, suitable only for lower-voltage applications. The PSMN5R6-100BS,118 provides 100A current capacity at 100V.

On-Resistance (Rds On): Substitute parts exhibit Rds On values ranging from 3.8 to 5.6 mOhm, compared to the original 4.3 mOhm specification. These variations affect power dissipation and thermal performance in high-current applications.

Compliance and Status: All substitute parts are RoHS3 compliant and carry active product status from their respective manufacturers, ensuring long-term availability and supply chain stability.

Parameter Comparison

Parameter	IRLS4030PBF (Original)	BUK964R4-40B,118	PSMN3R8-100BS,118	PSMN4R8-100BSEJ	PSMN5R6-100BS,118	SQM120N10-3M8_GE3
Manufacturer	Infineon Technologies	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Nexperia USA Inc.	Vishay Siliconix
Vdss (V)	100	40	100	100	100	100
Id @ 25°C (A)	180	75	120	120	100	120
Rds On (Max) @ 10V (mOhm)	4.3	4.0	3.9	4.8	5.6	3.8
Gate Charge (Max) (nC)	130 @ 4.5V	64 @ 5V	170 @ 10V	278 @ 10V	141 @ 10V	190 @ 10V
Power Dissipation (Max) (W)	370	254	306	405	306	375
Operating Temperature (°C)	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175	-55 to 175
Package	D2PAK	D2PAK	D2PAK	D2PAK	D2PAK	TO-263 (D2PAK)
Product Status	Discontinued	Active	Active	Active	Active	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For 100V Applications Requiring Maximum Current Capacity:

The PSMN4R8-100BSEJ provides the highest power dissipation rating (405W) among 100V substitutes and maintains 120A continuous drain current. This part is suitable for applications where thermal headroom is critical. The part is active and RoHS3 compliant.

For 100V Applications with Balanced Performance:

The SQM120N10-3M8_GE3 from Vishay Siliconix offers the lowest on-resistance (3.8 mOhm) at 100V and 120A, reducing power losses in high-current switching applications. This part carries AEC-Q101 automotive qualification and is active in production.

The PSMN3R8-100BS,118 from Nexperia provides comparable performance with 3.9 mOhm on-resistance and 306W power dissipation, with active product status and RoHS3 compliance.

For Lower Current Applications:

The PSMN5R6-100BS,118 operates at 100V with 100A continuous drain current, suitable for applications where the full 180A capacity of the original part is not required. This part is active and RoHS3 compliant.

Not Recommended for Direct Substitution:

The BUK964R4-40B,118 operates at 40V maximum drain-to-source voltage and is not suitable for circuits designed for 100V operation. This part should only be considered for redesigned circuits operating at reduced voltage levels.

Frequently Asked Questions (FAQ)

Q: Can the PSMN3R8-100BS,118 directly replace the IRLS4030PBF in a 100V circuit?

A: The PSMN3R8-100BS,118 maintains the 100V voltage rating and D2PAK package compatibility. However, it provides 120A continuous drain current compared to the original 180A specification. Direct substitution is valid only if the circuit current requirements do not exceed 120A at 25°C.

Q: What is the primary difference between PSMN3R8-100BS,118 and PSMN4R8-100BSEJ?

A: Both parts operate at 100V and 120A. The PSMN4R8-100BSEJ provides higher power dissipation (405W versus 306W) and higher gate charge (278 nC versus 170 nC). The PSMN4R8-100BSEJ is packaged in Cut Tape & Digi-Reel format, while PSMN3R8-100BS,118 is supplied in Tape & Reel format.

Q: Is the SQM120N10-3M8_GE3 suitable for automotive applications?

A: Yes. The SQM120N10-3M8_GE3 carries AEC-Q101 automotive qualification and is rated for -55°C to 175°C operation, making it suitable for automotive and industrial applications requiring qualified components.

Q: Why is the BUK964R4-40B,118 listed as a substitute if it has a lower voltage rating?

A: The BUK964R4-40B,118 is listed based on the provided substitute data. However, it operates at 40V maximum and is not suitable for 100V circuits. This part should only be considered for applications redesigned to operate at 40V or lower.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed (PSMN3R8-100BS,118; PSMN4R8-100BSEJ; PSMN5R6-100BS,118; SQM120N10-3M8_GE3; BUK964R4-40B,118) are RoHS3 compliant and REACH unaffected.

Q: What is the impact of on-resistance differences on circuit performance?

A: On-resistance (Rds On) directly affects power dissipation and heat generation. The SQM120N10-3M8_GE3 exhibits the lowest on-resistance (3.8 mOhm), resulting in lower power losses. The PSMN5R6-100BS,118 exhibits the highest on-resistance (5.6 mOhm) among 100V parts, resulting in higher power dissipation at equivalent current levels.

Q: Can the PSMN5R6-100BS,118 be used in applications requiring 180A continuous current?

A: No. The PSMN5R6-100BS,118 is rated for 100A continuous drain current at 25°C. Use in applications exceeding this rating will result in device failure or thermal shutdown.

Q: Are there package differences between substitute parts?

A: All substitute parts use D2PAK or TO-263 (D2PAK equivalent) surface mount packages. These packages are mechanically and electrically compatible, allowing direct PCB footprint substitution without layout modifications.

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