Equivalent & Substitute Parts for IPDH6N03LAG

Part Overview

The IPDH6N03LAG is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 25V drain-to-source voltage and 50A continuous drain current in a TO-252-3 surface mount package. This device is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement continuity. The OptiMOS™ series design provides low on-resistance characteristics suitable for power switching applications requiring efficient thermal management.

Key Parameters

Parameter	Value	Unit
Drain-to-Source Voltage (Vdss)	25	V
Continuous Drain Current (Id) @ 25°C	50	A
On-Resistance (Rds On) @ 50A, 10V	6	mOhm
Gate Threshold Voltage (Vgs(th)) @ 30µA	2	V
Power Dissipation (Max)	71	W
Operating Temperature Range	-55 to 175	°C
Package Type	TO-252-3 (DPAK)	—
Mounting Type	Surface Mount	—

Substitute Part Grouping Explanation

Substitution eligibility for the IPDH6N03LAG is determined by the following critical parameters:

Primary Compatibility Criteria:

Drain-to-Source Voltage (Vdss) rating must equal or exceed 25V
Continuous Drain Current (Id) must equal or exceed 50A
On-Resistance (Rds On) must not exceed 6mOhm at rated conditions
Package type must be TO-252-3 (DPAK) surface mount
Operating temperature range must span -55°C to 175°C
Gate threshold voltage must be compatible with 10V drive voltage

Identified Substitute Parts:

IPD060N03LGATMA1 (Infineon Technologies) — Direct manufacturer alternative with enhanced voltage rating (30V) and active product status
STD100N3LF3 (STMicroelectronics) — Cross-manufacturer substitute with higher current rating (80A) and enhanced power dissipation capability

Both substitutes maintain the TO-252-3 package footprint and surface mount configuration, ensuring mechanical and electrical compatibility within the specified parameter envelope.

Parameter Comparison

Parameter	IPDH6N03LAG	IPD060N03LGATMA1	STD100N3LF3	Unit
Manufacturer	Infineon	Infineon	STMicroelectronics	—
Product Status	Obsolete	Active	Obsolete	—
Vdss (Drain-Source Voltage)	25	30	30	V
Id (Continuous Drain Current) @ 25°C	50	50	80	A
Rds On (Max)	6 @ 50A, 10V	6 @ 30A, 10V	5.5 @ 40A, 10V	mOhm
Vgs(th) (Gate Threshold)	2 @ 30µA	2.2 @ 250µA	2.5 @ 250µA	V
Gate Charge (Qg) @ Vgs	19 @ 5V	23 @ 10V	27 @ 5V	nC
Power Dissipation (Max)	71	56	110	W
Operating Temperature	-55 to 175	-55 to 175	-55 to 175	°C
Package	TO-252-3 (DPAK)	TO-252-3 (DPAK)	TO-252-3 (DPAK)	—
Mounting Type	Surface Mount	Surface Mount	Surface Mount	—
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant	—
Moisture Sensitivity (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	—

Engineering Selection Recommendations

IPD060N03LGATMA1 Selection Criteria:

This Infineon substitute is the primary recommended alternative. It maintains the same manufacturer ecosystem, ensuring consistency with existing design documentation and supply chain relationships. The part carries Active product status, providing long-term availability and manufacturing support. The 30V Vdss rating provides 5V additional margin over the original 25V specification, enhancing circuit reliability in applications subject to voltage transients. The 50A continuous drain current matches the original specification exactly. RoHS3 compliance and REACH Unaffected status satisfy modern regulatory requirements. Tape & Reel packaging offers improved handling for high-volume production environments compared to the original Cut Tape format.

STD100N3LF3 Selection Criteria:

This STMicroelectronics alternative provides enhanced performance characteristics with 80A continuous drain current and 110W power dissipation, supporting applications requiring higher current capacity or improved thermal headroom. The 30V Vdss rating and TO-252-3 package maintain mechanical compatibility. However, this part carries Obsolete product status, limiting its suitability for new long-term designs. RoHS3 compliance and REACH Unaffected status are confirmed. Selection of this part is appropriate only when higher current capability is a design requirement and supply availability can be verified.

Frequently Asked Questions (FAQ)

Q: Can IPD060N03LGATMA1 be used as a direct drop-in replacement for IPDH6N03LAG?

A: Yes, within the specified electrical and mechanical parameters. Both devices share the TO-252-3 package footprint, identical 50A continuous drain current rating, and 6mOhm on-resistance specification. The 30V Vdss rating of the IPD060N03LGATMA1 exceeds the original 25V specification, providing additional voltage margin. Gate threshold voltage differs slightly (2.2V vs. 2V), but both values are compatible with standard 10V gate drive circuits. Verify PCB layout compatibility and thermal management provisions before implementation.

Q: What are the key differences between IPD060N03LGATMA1 and STD100N3LF3?

A: Both parts maintain TO-252-3 package compatibility and 30V Vdss rating. The primary differences are: (1) Manufacturer — Infineon vs. STMicroelectronics; (2) Current rating — 50A vs. 80A continuous drain current; (3) Power dissipation — 56W vs. 110W; (4) On-resistance measurement conditions — 30A vs. 40A; (5) Product status — Active vs. Obsolete. The STD100N3LF3 provides higher current capacity and thermal capability, while IPD060N03LGATMA1 offers active product status and manufacturer continuity.

Q: Are there packaging format differences between these substitutes?

A: Yes. The original IPDH6N03LAG is supplied in Cut Tape (CT) format. The IPD060N03LGATMA1 is supplied in Tape & Reel (TR) format, which is standard for high-volume production. The STD100N3LF3 is available in both Cut Tape and Digi-Reel® formats. Tape & Reel format requires compatible pick-and-place equipment but provides improved handling efficiency and reduced component damage during assembly. Verify your production equipment compatibility before selecting Tape & Reel packaged components.

Q: Do these substitutes require circuit design modifications?

A: No circuit design modifications are required for substitution within the specified parameter envelope. All three devices are N-Channel MOSFETs with compatible gate drive voltage requirements (±20V maximum), operating temperature ranges (-55°C to 175°C), and TO-252-3 package pinouts. The higher Vdss ratings of the substitutes (30V vs. 25V) provide additional design margin without requiring circuit changes. Verify that your gate drive circuit can accommodate the slightly different gate charge values (19nC to 27nC range) if using fixed-frequency PWM switching at frequencies above 100kHz.

Q: What compliance certifications apply to these parts?

A: All three devices carry REACH Unaffected status and EAR99 ECCN classification. The IPD060N03LGATMA1 and STD100N3LF3 are explicitly RoHS3 compliant. The original IPDH6N03LAG does not specify RoHS status. All devices have Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture control requirements during storage or handling. Verify compliance documentation with your supplier for specific application requirements.

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