IRF8915 MOSFET Equivalent & Substitute Parts

Part Overview

The IRF8915 is a dual N-channel MOSFET manufactured by Infineon Technologies, designed for logic-level gate drive applications in surface mount configurations. This device features a 20V drain-to-source voltage rating with 8.9A continuous drain current capability and is packaged in an 8-SOIC form factor.

The IRF8915 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 applications utilizing this component.

Substiute Parts

IRF8915

Infineon TechnologiesIn Stock: 2592IRF8915 Datasheet

Current PartRFQ

IRF8915TRPBF

Infineon TechnologiesIn Stock: 55333IRF8915TRPBF Datasheet

DirectRFQ

BSO220N03MDGXUMA1

Infineon TechnologiesIn Stock: 16003BSO220N03MDGXUMA1 Datasheet

MFR RecommendedRFQ

FDS6890A

onsemiIn Stock: 20291FDS6890A Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IRF8915 are identified based on electrical and mechanical compatibility within the following criteria:

Primary Substitution Criteria:

• Dual N-channel MOSFET configuration
• Logic level gate drive capability
• Surface mount packaging (8-SOIC form factor)
• Operating temperature range: -55°C to 150°C
• Drain-to-source voltage rating of 20V or higher
• Continuous drain current rating of 7.5A or higher
• On-state resistance compatible with 20V operation

Substitute Parts Identified:

IRF8915TRPBF (Infineon Technologies) — Direct equivalent with identical electrical specifications. Differs only in packaging format (Cut Tape & Digi-Reel) and RoHS compliance status (ROHS3 Compliant vs. non-compliant).

BSO220N03MDGXUMA1 (Infineon Technologies) — Manufacturer-recommended substitute. Rated for 30V Vdss and 6A continuous drain current. Operates within the same temperature range and maintains logic level gate drive. Package is 8-SOIC form factor. Represents an upgrade in voltage rating with reduced current capacity.

FDS6890A (onsemi) — Manufacturer-recommended substitute. Rated for 20V Vdss and 7.5A continuous drain current. Maintains logic level gate drive and 8-SOIC packaging. Active product status with ROHS3 compliance. On-state resistance of 18mOhm @ 7.5A, 4.5V is comparable to the IRF8915.

Parameter Comparison

Engineering Selection Recommendations

IRF8915TRPBF is the direct electrical equivalent of the IRF8915. Selection of this part is appropriate when packaging format flexibility (Cut Tape & Digi-Reel availability) is required and RoHS3 compliance is mandated. Electrical performance is identical to the original part.

BSO220N03MDGXUMA1 is suitable for applications where the 20V voltage rating of the IRF8915 is conservative and a 30V rated device is acceptable. This part is active in production status, ensuring long-term availability. The reduced continuous drain current (6A vs. 8.9A) must be verified against application requirements. RoHS3 compliance is achieved. Moisture sensitivity level is MSL 3, requiring controlled storage conditions.

FDS6890A is suitable for applications requiring an active, production-status substitute with RoHS3 compliance. The 20V Vdss rating matches the original specification. Continuous drain current of 7.5A is slightly lower than the IRF8915 (8.9A) but remains within acceptable range for most applications. On-state resistance is comparable. This part features unlimited moisture sensitivity (MSL 1), simplifying handling and storage requirements. Gate charge is elevated (32nC vs. 7.4nC), which may impact switching speed in gate-drive-limited applications.

Selection between BSO220N03MDGXUMA1 and FDS6890A depends on application-specific requirements for current capacity, power dissipation, and gate charge characteristics.

Frequently Asked Questions (FAQ)

Q: Can IRF8915TRPBF be used as a direct replacement for IRF8915?

A: Yes. IRF8915TRPBF is electrically identical to IRF8915, with identical Vdss, Id, Rds On, and all other electrical parameters. The difference is packaging format (Cut Tape & Digi-Reel vs. standard packaging) and RoHS compliance status. No circuit modifications are required.

Q: What is the key difference between BSO220N03MDGXUMA1 and the original IRF8915?

A: BSO220N03MDGXUMA1 has a higher Vdss rating (30V vs. 20V) and lower continuous drain current (6A vs. 8.9A). It is suitable for applications where the 20V rating provides margin and current requirements do not exceed 6A. This part is active in production, ensuring availability.

Q: Why does FDS6890A have higher gate charge than IRF8915?

A: FDS6890A exhibits 32nC gate charge compared to 7.4nC for IRF8915. This is a characteristic difference between the PowerTrench® technology platform (FDS6890A) and the HEXFET® platform (IRF8915). Higher gate charge may require increased gate drive current or extended switching times in gate-drive-limited circuits.

Q: Are all substitute parts available in the same 8-SOIC package?

A: Yes. All substitute parts (IRF8915TRPBF, BSO220N03MDGXUMA1, and FDS6890A) are packaged in 8-SOIC form factor with 0.154" (3.90mm) width, ensuring mechanical compatibility with existing PCB layouts.

Q: What is the moisture sensitivity difference between these parts?

A: IRF8915, IRF8915TRPBF, and FDS6890A are MSL 1 (Unlimited), requiring no special moisture control. BSO220N03MDGXUMA1 is MSL 3 (168 Hours), requiring controlled storage and handling to prevent moisture absorption before soldering.

Q: Which substitute part has the best RoHS compliance status?

A: All substitute parts (IRF8915TRPBF, BSO220N03MDGXUMA1, and FDS6890A) are ROHS3 Compliant. The original IRF8915 is RoHS non-compliant. Selection of any substitute part achieves RoHS3 compliance.

Q: Can BSO220N03MDGXUMA1 be used in applications designed for 20V operation?

A: Yes. BSO220N03MDGXUMA1 is rated for 30V Vdss, which is compatible with 20V applications. The higher voltage rating provides design margin. However, the reduced continuous drain current (6A vs. 8.9A) must be verified against application current requirements.

Q: What is the primary advantage of FDS6890A over BSO220N03MDGXUMA1?

A: FDS6890A maintains the 20V Vdss rating of the original IRF8915 and provides higher continuous drain current (7.5A vs. 6A). It also features MSL 1 moisture sensitivity, eliminating special storage requirements. The trade-off is higher gate charge (32nC vs. 10nC).