IRL3103D2 Equivalent & Substitute Parts

Part Overview

The IRL3103D2 is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 30V drain-to-source voltage with 54A continuous drain current at 25°C. This device is packaged in a TO-220AB through-hole configuration and is designed for applications requiring moderate voltage and high current switching capability.

The IRL3103D2 is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this component.

Substiute Parts

IRL3103D2

Infineon TechnologiesIn Stock: 830IRL3103D2 Datasheet

Current PartRFQ

PSMN022-30PL,127

Nexperia USA Inc.In Stock: 9036PSMN022-30PL,127 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the IRL3103D2 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

• Drain to Source Voltage (Vdss): Must equal or exceed 30V
• Package Type: Must be TO-220-3 through-hole configuration
• FET Type: Must be N-Channel MOSFET
• Mounting Type: Must be through-hole

Performance Parameters for Functional Equivalence:

• Continuous Drain Current (Id): The substitute must support the application's current requirements
• Rds On (Max): Lower or equal values indicate improved performance
• Gate Charge (Qg): Lower values reduce switching losses
• Input Capacitance (Ciss): Affects gate drive requirements
• Power Dissipation: Must be adequate for thermal management

The PSMN022-30PL,127 from Nexperia USA Inc. meets the critical matching parameters with identical Vdss (30V) and TO-220AB packaging. However, the continuous drain current rating is 30A, which is lower than the IRL3103D2's 54A rating. This substitution is valid only for applications where the 30A current rating is sufficient.

Parameter Comparison

Engineering Selection Recommendations

IRL3103D2 (Infineon Technologies):

• Product Status: Obsolete
• RoHS Status: Non-compliant
• Suitable for legacy systems where component replacement is not feasible
• Continued availability is limited; inventory depletion is expected

PSMN022-30PL,127 (Nexperia USA Inc.):

• Product Status: Obsolete
• RoHS Status: ROHS3 Compliant
• Higher inventory availability (9021 pcs vs. 723 pcs)
• Suitable for new designs or system redesigns requiring RoHS compliance
• Current rating of 30A limits application scope compared to the IRL3103D2
• Lower gate charge (9 nC vs. 44 nC) reduces gate drive power requirements
• Lower input capacitance (447 pF vs. 2300 pF) improves switching speed

Selection Criteria:

• If application current requirement is ≤30A and RoHS compliance is required, PSMN022-30PL,127 is the preferred substitute
• If application requires >30A continuous drain current, alternative parts with higher current ratings must be evaluated
• Both parts share identical Vdss (30V) and TO-220-3 packaging, ensuring mechanical compatibility

Frequently Asked Questions (FAQ)

Q: Can the PSMN022-30PL,127 directly replace the IRL3103D2 in all applications?

A: No. The PSMN022-30PL,127 has a maximum continuous drain current of 30A, compared to the IRL3103D2's 54A. Substitution is valid only for applications where the drain current does not exceed 30A at 25°C. Verify your application's current requirements before substitution.

Q: What are the key electrical differences between these parts?

A: The primary differences are continuous drain current (54A vs. 30A), gate charge (44 nC vs. 9 nC), input capacitance (2300 pF vs. 447 pF), and power dissipation (70W vs. 41W). The PSMN022-30PL,127 exhibits lower gate charge and input capacitance, which may improve switching performance in gate-drive-limited applications.

Q: Are both parts pin-compatible?

A: Yes. Both parts use the TO-220-3 package configuration with identical pin assignments for N-Channel MOSFETs (Gate, Drain, Source).

Q: What is the impact of the different Rds On specifications?

A: The IRL3103D2 specifies Rds On at 32A and 10V gate voltage (14 mOhm), while the PSMN022-30PL,127 specifies it at 5A and 10V gate voltage (22 mOhm). Direct comparison is not valid due to different measurement conditions. Consult device datasheets for Rds On values at your specific operating current and gate voltage.

Q: Does RoHS compliance affect electrical performance?

A: RoHS compliance (ROHS3 for PSMN022-30PL,127) indicates manufacturing process compliance with lead-free and hazardous substance restrictions. It does not directly affect electrical performance but may influence long-term reliability and supply chain availability for new designs.

Q: What is the operating temperature range for each part?

A: The PSMN022-30PL,127 specifies an operating temperature range of -55°C to 175°C (TJ). The IRL3103D2 operating temperature range is not provided in the available parameters.

Q: Can I use the PSMN022-30PL,127 in a high-current application requiring 54A?

A: No. The PSMN022-30PL,127 is rated for a maximum continuous drain current of 30A. Using it in a 54A application will cause thermal stress, reduced reliability, and potential device failure. Alternative parts with higher current ratings must be selected for such applications.