IRFS7537TRLPBF N-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IRFS7537TRLPBF is an N-Channel MOSFET manufactured by Infineon Technologies, rated for 60V drain-to-source voltage with 173A continuous drain current at 25°C. This device is housed in a D2PAK (TO-263-3) surface mount package and is part of the HEXFET® and StrongIRFET™ series. The component is currently in active production status with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter ranges. Alternative models may be required due to inventory availability, regional sourcing constraints, or design flexibility requirements while maintaining circuit functionality.

Substiute Parts

IRFS7537TRLPBF

Infineon TechnologiesIn Stock: 22203IRFS7537TRLPBF Datasheet

Current PartRFQ

NP100N055PUK-E1-AY

Renesas Electronics CorporationIn Stock: 1818NP100N055PUK-E1-AY Datasheet

MFR RecommendedRFQ

PSMN3R0-60BS,118

Nexperia USA Inc.In Stock: 5651PSMN3R0-60BS,118 Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the IRFS7537TRLPBF is determined by the following critical parameters:

Electrical Compatibility Criteria:

• Drain-to-Source Voltage (Vdss) must be equal to or greater than 60V
• Continuous Drain Current (Id) must support the application requirements
• On-State Resistance (Rds On) must be compatible with thermal and power dissipation constraints
• Gate Threshold Voltage (Vgs(th)) must fall within acceptable switching characteristics
• Operating temperature range must encompass -55°C to 175°C (TJ)

Mechanical Compatibility Criteria:

• Package type must be D2PAK (TO-263-3) or equivalent surface mount configuration
• Mounting type must be surface mount
• Pin configuration must be compatible with existing PCB layouts

Compliance Requirements:

• RoHS3 compliance mandatory
• MSL rating of 1 (Unlimited) required
• REACH Unaffected status required

The substitute parts listed below meet these criteria within acceptable parameter tolerances for N-Channel MOSFET applications.

Parameter Comparison

Engineering Selection Recommendations

IRFS7537TRLPBF (Primary Component)

The IRFS7537TRLPBF remains the primary selection for applications requiring 173A continuous drain current at 60V. This device offers the highest current rating among the listed options and is suitable for high-power switching applications. Active production status, RoHS3 compliance, and ROHS3 certification ensure long-term availability and regulatory compliance. The -55°C to 175°C operating temperature range supports demanding thermal environments.

NP100N055PUK-E1-AY (Renesas Electronics Corporation)

The NP100N055PUK-E1-AY is suitable for applications where continuous drain current requirements do not exceed 100A and where the 55V Vdss rating is acceptable. This substitute provides lower gate charge (120 nC) compared to the main part, resulting in faster switching characteristics. However, the reduced current rating (100A vs. 173A) and lower Vdss (55V vs. 60V) limit its applicability to lower-power designs. RoHS3 compliance and MSL 1 rating are maintained. Operating temperature specification extends to 175°C (TJ).

PSMN3R0-60BS,118 (Nexperia USA Inc.)

The PSMN3R0-60BS,118 is suitable for applications where the 60V Vdss rating and 100A continuous drain current are acceptable. This device matches the main part's voltage rating and offers the highest power dissipation capability (306W Tc) among the substitutes. Gate charge (130 nC) is comparable to the Renesas option, supporting efficient switching. The -55°C to 175°C operating temperature range matches the primary component. RoHS3 compliance and MSL 1 rating are maintained.

All substitute parts maintain D2PAK surface mount packaging, RoHS3 compliance, MSL 1 rating, and REACH Unaffected status, ensuring direct compatibility with existing PCB designs and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the NP100N055PUK-E1-AY replace the IRFS7537TRLPBF in all applications?

A: The NP100N055PUK-E1-AY has a lower continuous drain current rating (100A vs. 173A) and reduced Vdss (55V vs. 60V). Substitution is valid only for applications where the circuit design operates within these reduced specifications. The lower gate charge provides faster switching but does not compensate for reduced current capacity.

Q: What is the primary difference between the PSMN3R0-60BS,118 and the IRFS7537TRLPBF?

A: Both devices share the same 60V Vdss rating and D2PAK package. The primary difference is the continuous drain current rating: IRFS7537TRLPBF supports 173A while PSMN3R0-60BS,118 supports 100A. The PSMN3R0-60BS,118 offers higher power dissipation capability (306W vs. 230W). Substitution is appropriate for designs not requiring the full 173A current capacity.

Q: Are all substitute parts compatible with existing PCB layouts designed for the IRFS7537TRLPBF?

A: Yes. All substitute parts use D2PAK (TO-263-3) surface mount packaging with identical pin configurations. Direct PCB layout compatibility is maintained without modification.

Q: Do the substitute parts maintain the same compliance certifications as the main part?

A: Yes. All listed substitute parts are RoHS3 compliant, carry MSL 1 (Unlimited) rating, and maintain REACH Unaffected status. Regulatory compliance is equivalent across all options.

Q: What is the impact of gate charge differences on circuit performance?

A: Gate charge (Qg) affects switching speed and driver circuit requirements. The IRFS7537TRLPBF has 210 nC gate charge, while substitutes have lower values (120-130 nC). Lower gate charge enables faster switching transitions and reduces driver power dissipation. This difference is beneficial in high-frequency switching applications but does not affect DC operating characteristics.

Q: Can the IRFS7537TRLPBF be used in place of the substitute parts?

A: Yes. The IRFS7537TRLPBF can replace either substitute part in any application. The higher current rating (173A) and gate charge (210 nC) provide additional design margin. However, the higher gate charge may require driver circuit adjustments in high-frequency applications.

Q: What operating temperature range is supported by all parts?

A: The IRFS7537TRLPBF and PSMN3R0-60BS,118 both support -55°C to 175°C (TJ). The NP100N055PUK-E1-AY specification extends to 175°C (TJ) but does not explicitly specify the lower temperature limit. For applications requiring full -55°C to 175°C operation, the IRFS7537TRLPBF or PSMN3R0-60BS,118 are recommended.

Q: How do on-state resistance values compare across the parts?

A: On-state resistance (Rds On) is measured at different current levels: IRFS7537TRLPBF at 3.3 mOhm (100A, 10V), NP100N055PUK-E1-AY at 3.25 mOhm (50A, 10V), and PSMN3R0-60BS,118 at 3.2 mOhm (25A, 10V). All values are comparable at their respective measurement points. Actual Rds On performance depends on gate voltage and temperature conditions in the application circuit.