FDB7030BL Equivalent & Substitute Parts

Part Overview

The FDB7030BL is an N-Channel MOSFET manufactured by onsemi, rated for 30V drain-to-source voltage with 60A continuous drain current in a surface mount TO-263 (D2PAK) package. This device is classified as obsolete, necessitating identification of equivalent substitute components for ongoing design support and procurement requirements. The part operates across a temperature range of -65°C to 175°C and dissipates up to 60W at the case temperature.

Substiute Parts

FDB7030BL

onsemiIn Stock: 18179FDB7030BL Datasheet

Current PartRFQ

PHB66NQ03LT,118

Nexperia USA Inc.In Stock: 1088PHB66NQ03LT,118 Datasheet

SimilarRFQ

PSMN017-30BL,118

Nexperia USA Inc.In Stock: 2850PSMN017-30BL,118 Datasheet

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PSMN4R3-30BL,118

Nexperia USA Inc.In Stock: 10797PSMN4R3-30BL,118 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the FDB7030BL is determined by the following critical parameters:

Voltage Rating Compatibility: All substitute parts must maintain a Vdss rating equal to or greater than 30V to ensure safe operation within the original circuit design envelope.

Current Handling Capability: Substitute parts must support continuous drain current ratings that meet or exceed the 60A requirement at the specified measurement conditions.

Package Compatibility: All substitute parts must use the D2PAK (TO-263-3) surface mount package to ensure mechanical and thermal interface compatibility with existing PCB layouts.

On-State Resistance (Rds On): The maximum on-state resistance must not significantly exceed the original specification to maintain thermal performance and power dissipation characteristics within design limits.

Gate Drive Voltage: Substitute parts must operate with compatible gate drive voltage levels (4.5V to 10V) to ensure proper integration with existing gate driver circuits.

Temperature Range: Operating temperature specifications must encompass the original -65°C to 175°C range or provide equivalent thermal performance for the intended application.

Compliance Standards: All substitute parts must maintain RoHS3 compliance and REACH unaffected status to satisfy regulatory and supply chain requirements.

Parameter Comparison

Engineering Selection Recommendations

PSMN4R3-30BL,118 (Primary Substitute): This part maintains identical 30V Vdss rating and D2PAK package compatibility. It provides 100A continuous drain current, exceeding the original 60A specification, with superior on-state resistance of 4.1 mOhm. The device carries Active product status, ensuring long-term availability and supply chain stability. RoHS3 compliance and unlimited moisture sensitivity level align with the original part's regulatory requirements. The operating temperature range of -55°C to 175°C covers the critical upper temperature specification, though the lower limit is 10°C higher than the original.

PSMN017-30BL,118 (Secondary Substitute): This part matches the 30V Vdss rating and D2PAK package. However, the 32A continuous drain current falls below the original 60A specification, making this substitute suitable only for applications with reduced current requirements. The on-state resistance of 17 mOhm is higher than the original specification. Product status is Obsolete, limiting long-term procurement viability. RoHS3 compliance and packaging specifications remain compatible.

PHB66NQ03LT,118 (Limited Compatibility): This part provides 66A continuous drain current and D2PAK package compatibility. However, the 25V Vdss rating is 5V below the original specification, restricting its use to applications with lower voltage margins. Product status is Obsolete. The higher on-state resistance of 10.5 mOhm and reduced power dissipation rating of 93W require thermal design review. RoHS3 compliance is maintained.

Frequently Asked Questions (FAQ)

Q: Can PSMN4R3-30BL,118 directly replace FDB7030BL in all applications?

A: PSMN4R3-30BL,118 maintains the same 30V voltage rating and D2PAK package, making it mechanically and electrically compatible for direct substitution in most applications. The superior current rating (100A vs. 60A) and lower on-state resistance (4.1 mOhm vs. 9 mOhm) provide performance benefits. The operating temperature range difference (-55°C to 175°C vs. -65°C to 175°C) requires verification only if the application operates below -55°C.

Q: Why is PSMN017-30BL,118 listed as a substitute if it has lower current rating?

A: PSMN017-30BL,118 is included as a substitute for applications where the full 60A current capability is not required. It maintains the 30V voltage rating and D2PAK package compatibility. Applications operating at 32A or below can use this part. The higher on-state resistance (17 mOhm) must be evaluated for thermal impact in the specific circuit design.

Q: Is PHB66NQ03LT,118 suitable for 30V applications?

A: PHB66NQ03LT,118 has a maximum Vdss rating of 25V, which is 5V below the original FDB7030BL specification. This part is not suitable for applications requiring the full 30V voltage margin. Use is restricted to circuits operating at 25V or below. The D2PAK package remains compatible.

Q: What is the significance of the Active product status for PSMN4R3-30BL,118?

A: Active product status indicates that PSMN4R3-30BL,118 is in current production and supported by the manufacturer. This ensures long-term availability, consistent supply chain access, and ongoing technical support. In contrast, the Obsolete status of the original FDB7030BL and other substitute options indicates limited future availability and potential supply constraints.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts use the D2PAK (TO-263-3) surface mount package, ensuring mechanical compatibility with existing PCB layouts. PSMN4R3-30BL,118 and PSMN017-30BL,118 are supplied in Tape & Reel (TR) packaging, while PHB66NQ03LT,118 uses standard D2PAK packaging. Both formats are compatible with automated assembly processes.

Q: How do gate charge differences affect circuit performance?

A: Gate charge (Qg) differences impact gate driver requirements and switching speed. PSMN4R3-30BL,118 has a higher gate charge (41.5 nC @ 10V) compared to the original (24 nC @ 5V), requiring slightly more gate drive energy. PSMN017-30BL,118 (10.7 nC @ 10V) and PHB66NQ03LT,118 (12 nC @ 5V) have lower gate charge, reducing gate driver stress. Gate driver circuits must be evaluated to confirm adequate drive capability for the selected substitute.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts maintain RoHS3 compliance and REACH unaffected status, matching the original FDB7030BL. Moisture sensitivity level is 1 (Unlimited) for all parts, indicating no special moisture handling requirements during storage or assembly. ECCN classification (EAR99) and HTSUS codes are identical across all parts.