Vishay Siliconix IRF9510L

Overview

IRF9510L from Vishay Siliconix is a P-channel enhancement-mode power MOSFET in TO-220AB package, rated for -100 V V_DS, 4.0 A continuous drain current at 25 °C, and 1.2 Ω R_DS(on) at V_GS = -10 V. It operates up to 175 °C junction temperature and supports repetitive avalanche energy of 4.3 mJ, making it suitable for DC-DC converter high-side switches and motor control H-bridge legs.

For engineers reviewing the IRF9510L datasheet, IRF9510L pinout, IRF9510L application, or IRF9510L equivalent, key selection criteria include its negative threshold voltage (-2.0 to -4.0 V), low gate charge (8.7 nC), fast switching (10 ns turn-on delay), ruggedized avalanche rating, and compatibility with standard gate drivers in industrial power supplies and battery protection circuits.

Technical Context

This device uses third-generation planar VDMOS technology optimized for ruggedness and cost-effective power switching. Its P-channel topology enables high-side configuration without level-shifting circuitry, and its dynamic dV/dt rating (-5.5 V/ns) ensures reliable operation under fast transient conditions.

The IRF9510L integrates a body diode with 82–160 ns reverse recovery time and 0.15–0.30 μC Q_rr, supporting synchronous rectification in buck converters. Thermal resistance R_thJC is 3.5 °C/W, enabling 43 W power dissipation at T_C = 25 °C with appropriate heatsinking.

Key Specifications

Pinout & Package

IRF9510L is housed in a through-hole TO-220AB package with standard three-terminal layout: Drain (tab), Gate (lead 1), Source (lead 2). The metal tab is electrically connected to the Drain and must be isolated from heatsink unless circuit topology requires common-drain configuration.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar P-channel power MOSFET applications.

Compared with IRF9510L, IRF9530PbF delivers lower conduction loss but demands higher gate drive strength, while STP9PF10 sacrifices avalanche robustness for marginal cost reduction-making IRF9510L the balanced choice for general-purpose industrial switching where reliability and drive simplicity are prioritized.

Availability

IRF9510L is available at Aetrix Electronics and suitable for DC-DC converters, battery protection systems, and motor control circuits requiring stable component supply, long-term lifecycle support, and RoHS-compliant sourcing.

Supply support for IRF9510L includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Vishay Siliconix is a global leader in discrete semiconductors, specializing in power MOSFETs, diodes, and optoelectronics with emphasis on ruggedness, precision, and high-reliability manufacturing.

The IRF9510L belongs to Vishay's third-generation power MOSFET family, engineered for cost-effective, high-temperature operation in commercial and industrial power conversion systems.

FAQ

What is the maximum continuous drain current for IRF9510L at 100 °C case temperature?

The IRF9510L supports -2.8 A continuous drain current at T_C = 100 °C, reflecting linear derating from -4.0 A at 25 °C using the specified 0.29 W/°C factor. This value is validated per Absolute Maximum Ratings table and must be applied with adequate heatsinking to maintain junction temperature ≤175 °C. Designers should verify thermal design using R_thJC = 3.5 °C/W and ambient conditions. IRF9510L performance remains stable across this range when operated within SOA limits.

Does IRF9510L have a fully rated body diode for synchronous rectification?

The IRF9510L includes an integral body diode characterized for I_S = -4.0 A continuous and I_SM = -16 A pulsed, with t_rr = 82–160 ns and Q_rr = 0.15–0.30 μC. While usable in non-synchronous topologies, its recovery characteristics and lack of specified softness make it less optimal than dedicated synchronous rectifiers. IRF9510L body diode conduction should be minimized in high-frequency designs to avoid excessive losses. Always validate diode behavior under actual operating dI/dt and temperature conditions.

Can IRF9510L be paralleled with identical units for higher current handling?

Yes, IRF9510L is explicitly designed for ease of paralleling due to its positive R_DS(on) temperature coefficient and matched threshold voltage distribution. Parallel operation requires matched gate resistors, symmetrical PCB layout, and shared heatsinking to ensure current sharing within ±10%. IRF9510L's low gate charge (8.7 nC) simplifies simultaneous drive. Thermal coupling between devices must be verified to prevent runaway; IRF9510L's 175 °C rating supports robust parallel configurations in industrial inverters and UPS systems.

What is the gate-source leakage specification for IRF9510L at maximum rated voltage?

IRF9510L specifies gate-source leakage (I_GSS) of ±100 nA maximum at V_GS = ±20 V and T_J = 25 °C, per the Static Characteristics table. This low leakage ensures minimal gate drive current burden and stable biasing in high-impedance gate networks. At elevated temperatures, leakage increases but remains within safe margins for standard CMOS or TTL-compatible drivers. IRF9510L gate oxide integrity is confirmed through qualification testing per JEDEC standards, supporting long-term reliability in continuous operation.

Is IRF9510L suitable for automotive under-hood applications?

IRF9510L is rated for T_J = -55 to +175 °C and qualified per industrial reliability standards, but it is not AEC-Q101 qualified. Its -100 V V_DS, repetitive avalanche rating, and 175 °C operation support under-hood use in non-safety-critical auxiliary systems (e.g., fan control, pump drivers) when derated per manufacturer guidelines. For ASIL-B/C applications, IRF9510L requires additional system-level validation. Always consult Vishay's automotive qualification status before deployment in automotive programs.