FDB8880 Equivalent & Substitute Parts

Part Overview

The FDB8880 is an N-Channel MOSFET manufactured by onsemi, rated for 30V drain-to-source voltage with continuous drain current of 11A (Ta) and 54A (Tc). This device is packaged in the TO-263 (D2PAK) surface mount configuration and is part of the PowerTrench® series. The FDB8880 is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

Substiute Parts

FDB8880

onsemiIn Stock: 19851FDB8880 Datasheet

Current PartRFQ

PHB66NQ03LT,118

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

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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 FDB8880 is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Drain to Source Voltage (Vdss) must equal or exceed 30V
• Continuous drain current (Id) must meet or exceed application requirements
• Gate-source voltage (Vgs) maximum rating must be ±20V or greater
• Operating temperature range must encompass -55°C to 175°C

Mechanical Compatibility Requirements:

• Package type must be D2PAK (TO-263-3) surface mount configuration
• Pin configuration must be compatible with 2 Leads + Tab layout

Compliance Requirements:

• Moisture Sensitivity Level (MSL) must be 1 (Unlimited) or equivalent
• REACH and ECCN classifications must be compatible with application requirements

The substitute parts listed below satisfy these criteria within the allowed parameter ranges.

Parameter Comparison

Engineering Selection Recommendations

PSMN4R3-30BL,118 (Nexperia USA Inc.)

This substitute provides the highest current capacity at 100A (Tc) with matching 30V Vdss rating. The PSMN4R3-30BL,118 features superior on-resistance performance at 4.1 mOhm and is classified as Active product status, ensuring long-term availability. RoHS3 compliance provides additional regulatory assurance. This device is suitable for applications requiring maximum current handling within the 30V voltage class.

PSMN017-30BL,118 (Nexperia USA Inc.)

This substitute maintains the 30V Vdss rating with 32A (Tc) continuous drain current, providing a moderate current option. The PSMN017-30BL,118 offers on-resistance of 17 mOhm and is packaged in Tape & Reel format. RoHS3 compliance is provided. This device is suitable for applications with moderate current requirements and cost-sensitive designs.

PHB66NQ03LT,118 (Nexperia USA Inc.)

This substitute operates at 25V Vdss with 66A (Tc) continuous drain current. The PHB66NQ03LT,118 features on-resistance of 10.5 mOhm and is part of the TrenchMOS™ series. This device is suitable for applications where the reduced voltage rating is acceptable and higher current capacity is beneficial.

Frequently Asked Questions (FAQ)

Q: Can the FDB8880 be directly replaced with PSMN4R3-30BL,118?

A: Yes, the PSMN4R3-30BL,118 is a direct substitute. Both devices share identical 30V Vdss rating, D2PAK package configuration, and ±20V Vgs maximum rating. The PSMN4R3-30BL,118 provides superior current capacity (100A vs. 54A) and lower on-resistance, making it suitable for the same applications. The Active product status of PSMN4R3-30BL,118 ensures continued availability.

Q: What is the voltage difference between FDB8880 and PHB66NQ03LT,118?

A: The FDB8880 is rated for 30V Vdss, while the PHB66NQ03LT,118 is rated for 25V Vdss. The PHB66NQ03LT,118 cannot be used in applications requiring the full 30V rating. Substitution is only valid for circuits operating at 25V or below.

Q: Are all substitute parts available in the same package?

A: Yes, all substitute parts listed are packaged in TO-263-3 D2PAK (2 Leads + Tab) surface mount configuration, identical to the FDB8880. Pin-to-pin compatibility is maintained across all substitutes.

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

A: Active product status indicates that PSMN4R3-30BL,118 is currently in production and supported by the manufacturer. This ensures long-term availability and supply chain stability compared to obsolete alternatives. The FDB8880, PSMN017-30BL,118, and PHB66NQ03LT,118 are all classified as obsolete.

Q: Do all substitute parts meet the same compliance requirements?

A: Yes, all substitute parts share identical REACH Unaffected status, EAR99 ECCN classification, and MSL 1 (Unlimited) moisture sensitivity rating. All devices are suitable for applications with equivalent regulatory requirements.

Q: How do on-resistance values affect device selection?

A: On-resistance (Rds On) directly impacts power dissipation and thermal performance. Lower on-resistance values reduce heat generation at equivalent current levels. PSMN4R3-30BL,118 provides the lowest on-resistance at 4.1 mOhm, followed by PHB66NQ03LT,118 at 10.5 mOhm, and PSMN017-30BL,118 at 17 mOhm. Selection depends on thermal budget and current requirements of the specific application.

Q: Can PSMN017-30BL,118 be used as a cost-effective alternative?

A: Yes, PSMN017-30BL,118 maintains the 30V Vdss rating with 32A (Tc) continuous drain current. This device is suitable for applications where current requirements do not exceed 32A and cost optimization is a priority. The 17 mOhm on-resistance is higher than PSMN4R3-30BL,118, resulting in increased power dissipation.