IRFL9110PBF P-Channel MOSFET Equivalent & Substitute Parts

Part Overview

The IRFL9110PBF is a P-Channel MOSFET manufactured by Vishay Siliconix, rated for 100V drain-to-source voltage with 1.1A continuous drain current. The device is housed in a SOT-223 surface mount package and is designed for applications requiring P-channel switching and amplification in low-power circuits.

The IRFL9110PBF is classified as obsolete. Locating equivalent and substitute parts is necessary to support ongoing production requirements, maintenance operations, and design continuity for systems currently utilizing this component. Active alternatives with compatible electrical and mechanical specifications are available to ensure uninterrupted supply chain access.

Substiute Parts

IRFL9110PBF

Vishay SiliconixIn Stock: 1564IRFL9110PBF Datasheet

Current PartRFQ

ZXMP10A18GTA

Diodes IncorporatedIn Stock: 24317ZXMP10A18GTA Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the IRFL9110PBF are selected based on strict electrical and mechanical compatibility criteria. The following parameters define the substitution scope:

Critical Matching Parameters:

• FET Type: P-Channel (required match)
• Drain to Source Voltage (Vdss): 100V (required match)
• Package / Case: TO-261-4, TO-261AA / SOT-223 form factor (required match)
• Mounting Type: Surface Mount (required match)
• Gate Threshold Voltage Vgs(th): 4V @ 250µA (required match)
• Maximum Gate Voltage Vgs: ±20V (required match)
• Operating Temperature Range: -55°C to 150°C (required match)
• RoHS Status: ROHS3 Compliant (required match)
• Moisture Sensitivity Level: 1 (Unlimited) (required match)

Allowable Parameter Variations: Substitute parts may exceed the following specifications of the IRFL9110PBF without compromising compatibility:

• Current - Continuous Drain (Id): Substitute may be rated higher than 1.1A
• Rds On (Max): Substitute may be lower (better performance)
• Gate Charge (Qg): Substitute may be higher
• Input Capacitance (Ciss): Substitute may be higher
• Power Dissipation (Max): Substitute may be equal or higher

Parameter Comparison

Engineering Selection Recommendations

The ZXMP10A18GTA manufactured by Diodes Incorporated is a direct substitute for the obsolete IRFL9110PBF. Both devices share identical critical electrical specifications including 100V Vdss rating, 4V gate threshold voltage, ±20V maximum gate voltage, and -55°C to 150°C operating temperature range. Both components are housed in compatible SOT-223 surface mount packages with TO-261-4 and TO-261AA case designations.

The ZXMP10A18GTA provides enhanced performance characteristics relative to the IRFL9110PBF. The substitute device delivers 2.6A continuous drain current compared to 1.1A, and features significantly lower on-resistance of 150 mOhm versus 1.2 Ohm. These improvements provide superior current handling capability and reduced power dissipation in switching applications.

Both the IRFL9110PBF and ZXMP10A18GTA maintain ROHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with current manufacturing and environmental standards. The ZXMP10A18GTA is currently in active production status with substantial inventory availability, providing reliable long-term supply chain access.

Frequently Asked Questions (FAQ)

Q: Can the ZXMP10A18GTA directly replace the IRFL9110PBF in existing circuit designs?

A: Yes. The ZXMP10A18GTA is electrically and mechanically compatible with the IRFL9110PBF. Both devices share identical Vdss (100V), Vgs(th) (4V @ 250µA), Vgs(max) (±20V), operating temperature range (-55°C to 150°C), and package form factor (SOT-223). No circuit modifications are required for substitution.

Q: What are the key differences between these two devices?

A: The ZXMP10A18GTA exceeds the IRFL9110PBF in three performance areas: continuous drain current (2.6A versus 1.1A), on-resistance (150 mOhm versus 1.2 Ohm), and gate charge (26.9 nC versus 8.7 nC). These differences represent performance enhancements that do not compromise compatibility. The substitute device will operate within the electrical constraints of circuits designed for the original part.

Q: Are there any package compatibility concerns?

A: No. Both devices use SOT-223 surface mount packages with TO-261-4 and TO-261AA case designations. Pin configurations and PCB footprints are identical. The ZXMP10A18GTA is supplied in SOT-223-3 variant, which maintains full mechanical and electrical compatibility with the original SOT-223 specification.

Q: What is the product status difference between these parts?

A: The IRFL9110PBF is classified as obsolete, indicating discontinued production and limited availability. The ZXMP10A18GTA is in active production status with 24,300 pieces currently in stock, ensuring reliable supply chain access for ongoing production and maintenance requirements.

Q: Do both devices meet current environmental and compliance standards?

A: Yes. Both the IRFL9110PBF and ZXMP10A18GTA are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity ratings. Both devices meet current environmental regulations and manufacturing standards.

Q: Will the higher gate charge of the ZXMP10A18GTA affect circuit performance?

A: The ZXMP10A18GTA gate charge of 26.9 nC (versus 8.7 nC for the IRFL9110PBF) may require slightly longer switching times in gate drive circuits. However, this parameter variation does not prevent substitution. Circuit designers should evaluate gate drive capability to ensure adequate drive current for the substitute device in high-frequency switching applications.

Q: Are there any thermal considerations when substituting these devices?

A: Both devices are rated for identical maximum power dissipation (2W at Ta) and operating temperature range (-55°C to 150°C). The ZXMP10A18GTA's lower on-resistance (150 mOhm) typically results in reduced power dissipation compared to the IRFL9110PBF (1.2 Ohm), providing a thermal advantage in most applications.