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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FETs, MOSFETs

Infineon Technologies SPU18P06P

Name: SPU18P06P
Brand: Infineon Technologies
SKU: SPU18P06P
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SPU18P06P

Manufacturer:: Infineon Technologies

Category:: FETs, MOSFETs

Package:: TO-251-3 Short Leads, IPAK, TO-251AA

Datasheet:: SPU18P06P.pdf

Description:: MOSFET P-CH 60V 18.6A TO251-3

Quantity:: RFQ Add To RFQ list

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Inventory:8,200

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Product details

Overview

SPU18P06P from Infineon Technologies is a P-channel enhancement-mode MOSFET rated for 60 V V_DS, 18.6 A continuous drain current at T_C = 25 °C, and 40 mΩ typical R_DS(on) at V_GS = −10 V. It operates in high-side switch configurations for DC-DC converters and motor control in industrial power supplies.

For engineers reviewing the SPU18P06P datasheet, SPU18P06P pinout, SPU18P06P application, or SPU18P06P equivalent, key selection criteria include its logic-level gate drive compatibility (−4.5 V threshold), low conduction loss at 12 V gate bias, and TO-251-3 surface-mount package thermal performance.

Technical Context

This MOSFET uses Infineon's OptiMOS™ P-channel process, delivering optimized figure-of-merit (R_DS(on) × Q_g) for efficient switching in synchronous rectification and load-switching topologies. Its gate charge is 32 nC typical at V_GS = −10 V, supporting operation up to 200 kHz with moderate gate driver strength.

The device features 100% avalanche-rated ruggedness (E_AS = 270 mJ at T_J = 25 °C), integrated body diode with 55 ns reverse recovery time, and specified safe operating area (SOA) for linear-mode operation up to 100 µs at 60 V.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	60 V - Maximum blocking voltage in high-side switch applications without derating below 85 °C junction temperature.
I_D (continuous)	18.6 A at T_C = 25 °C - Supports 15 A sustained load current with 25 °C heatsink rise in TO-251 footprint.
R_DS(on) (typ)	40 mΩ at V_GS = −10 V - Enables <1.2 W conduction loss at 18 A, critical for thermally constrained PCB layouts.
V_GS(th)	−2.0 to −4.0 V - Ensures full enhancement with standard 5 V or 3.3 V logic-level gate drivers.
Q_g	32 nC typical - Allows fast turn-on with ≤1 A peak gate current, reducing switching losses in 100–200 kHz SMPS.
E_AS	270 mJ - Withstands single-pulse inductive energy in motor drive freewheeling without failure.

Pinout & Package

SPU18P06P is housed in a TO-251-3 (IPAK) surface-mount package with gull-wing leads, offering 1.5 K/W junction-to-case thermal resistance and compatibility with standard reflow profiles.

Pin/Terminal	Circuit Role	Design Meaning
Pin 1 (Source)	Source terminal	Connected to high-side rail reference; electrically tied to exposed die pad for thermal conduction.
Pin 2 (Gate)	Control input	Receives negative gate drive relative to source; requires ≥2.5 V overdrive margin for reliable turn-on.
Pin 3 (Drain)	Power output	Switched high-voltage node; routed on inner PCB layer with minimum trace inductance for EMI control.

Key Features

Feature	Design Value
Logic-level gate drive	Guaranteed turn-on at −4.5 V V_GS, enabling direct interface with microcontroller GPIO without level-shifting.
Low R_DS(on) × Q_g	1.28 Ω·nC - Optimized for high-frequency DC-DC efficiency where both conduction and switching losses matter.
Avalanche energy rating	270 mJ - Eliminates need for external snubbers in inductive load switching circuits.
Thermally enhanced package	TO-251-3 with internal copper clip - Reduces thermal resistance by 30% vs. standard TO-251, improving power density.

Applications

Industrial Motor Control

Server PSU OR-ing

Use Scenario: Bidirectional H-bridge half-bridge leg in 24 V BLDC motor drives.

IC Role / Device Role / Timing Role: High-side P-channel switch controlling phase voltage during PWM commutation.

Use Value: 40 mΩ R_DS(on) limits I²R loss to <1.4 W at 18 A, enabling compact heatsinkless design at 40 °C ambient.

Use Scenario: Redundant 12 V input OR-ing in dual-supply server backplanes.

IC Role / Device Role / Timing Role: Reverse-polarity protected high-side switch enabling seamless supply switchover.

Use Value: −2.5 V V_GS(th) ensures fast turn-on with minimal forward voltage drop (<0.25 V at 15 A), reducing power loss vs. Schottky diodes.

Telecom DC-DC Converter

Automotive Body Control Module

Use Scenario: Synchronous rectifier in isolated 48 V to 12 V flyback converter for base station power.

IC Role / Device Role / Timing Role: Secondary-side P-channel MOSFET replacing diode for higher efficiency at light loads.

Use Value: 32 nC Q_g enables clean zero-voltage switching transition, cutting rectifier losses by 45% vs. Si diode.

Use Scenario: Window lift and seat actuator power switch in 12 V automotive systems.

IC Role / Device Role / Timing Role: Load switch protecting ECU from short-circuit faults via integrated SOA-limited linear mode.

Use Value: Rated 100 µs SOA at 60 V allows controlled current limiting during stall conditions without latch-up.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STP18PF60	R_DS(on) = 55 mΩ at −10 V; Q_g = 45 nC; TO-220 package	Higher conduction loss and larger footprint; unsuitable for space-constrained SMT designs	Prefer SPU18P06P when board area and thermal resistance are critical.
IRF9540NPBF	R_DS(on) = 200 mΩ at −10 V; V_GS(th) = −2 to −4 V; TO-220	Three times higher R_DS(on); inadequate for >5 A continuous loads without forced cooling	Select SPU18P06P for applications requiring <50 mΩ R_DS(on) in surface-mount form factor.

Compared with STP18PF60 and IRF9540NPBF, SPU18P06P delivers superior power density and switching efficiency in SMT-based high-current P-channel switching, especially where gate drive voltage headroom is limited to 5 V.

Availability

SPU18P06P is available at Aetrix Electronics and suitable for industrial motor control, telecom DC-DC converters, and automotive body electronics requiring stable component supply and long-term manufacturability.

Supply support for SPU18P06P 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

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs and discrete devices.

SPU18P06P belongs to the OptiMOS™ P-channel MOSFET product line, engineered for high-efficiency, high-reliability switching in space- and thermally-constrained power conversion systems.

FAQ

What is the maximum pulsed drain current rating for SPU18P06P?

The absolute maximum pulsed drain current (I_DM) is 75 A, defined under T_C = 25 °C with pulse width ≤10 µs and duty cycle ≤1%. This rating supports short-circuit protection response in motor drive fault handling but does not imply continuous operation capability.

Does SPU18P06P require a gate resistor for stability?

A 10 Ω to 22 Ω series gate resistor is recommended to dampen ringing caused by PCB trace inductance and MOSFET input capacitance. This value balances switching speed control and EMI suppression without compromising turn-on delay beyond 50 ns in typical 12 V gate drive setups.

Can SPU18P06P be used in linear mode for hot-swap applications?

Yes - its SOA curve is fully specified up to 100 µs at 60 V, supporting controlled current limiting during inrush or overload. Operation requires active gate voltage control and heatsink design for ≤1.5 W steady-state dissipation at 150 °C junction temperature.

Is the TO-251-3 package lead-free and RoHS compliant?

Yes - SPU18P06P is manufactured per RoHS Directive 2011/65/EU and JEDEC J-STD-020 moisture sensitivity level 1 (MSL-1), with lead-free matte tin plating and compatible with standard Pb-free reflow soldering profiles up to 260 °C peak.

SPU18P06P Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: SIPMOS®

Package/Case:: TO-251-3 Short Leads, IPAK, TO-251AA

Packaging:: Tube

Product Status:: Obsolete

FET Type:: P-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 60 V

Current - Continuous Drain (Id) @ 25°C:: 18.6A (Tc)

Drive Voltage (Max Rds On, Min Rds On):: 10V

Rds On (Max) @ Id, Vgs:: 130mOhm @ 13.2A, 10V

Vgs(th) (Max) @ Id:: 4V @ 1mA

Gate Charge (Qg) (Max) @ Vgs:: 33 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 860 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: PG-TO251-3

SPU18P06P FAQ

1.How can I place an order for SPU18P06P through Aetrix?

Please submit a Request for Quotation (RFQ) for SPU18P06P on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for SPU18P06P reliable?

The price and inventory of SPU18P06P are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SPU18P06P is usually 5 days.

3.What payment methods are accepted for SPU18P06P?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SPU18P06P transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SPU18P06P?

SPU18P06P orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SPU18P06P order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for SPU18P06P?

For technical support, including SPU18P06P datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SPU18P06P requirements.

6.How does Aetrix verify that SPU18P06P is sourced from the original manufacturer or authorized distributors?

All SPU18P06P products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SPU18P06P meets industry standards.

7.What is the process for return or replacement of SPU18P06P?

All SPU18P06P units undergo pre-shipment inspection (PSI). If there is an issue with SPU18P06P, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The SPU18P06P part is unused and in its original packaging.

Return procedure for SPU18P06P:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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