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Home > Products > Discrete Semiconductor Products > Transistors > FETs, MOSFETs > FET, MOSFET Arrays

STMicroelectronics STL15DN4F5

Name: STL15DN4F5
Brand: STMicroelectronics
SKU: STL15DN4F5
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STL15DN4F5

Manufacturer:: STMicroelectronics

Category:: FET, MOSFET Arrays

Package:: 8-PowerVDFN

Datasheet:: STL15DN4F5.pdf

Description:: MOSFET 2N-CH 40V 60A POWERFLAT

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Inventory:1,155

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Product details

Overview

STL15DN4F5 from STMicroelectronics is an automotive-grade dual N-channel Power MOSFET using STripFET™ F5 technology, rated for 40 V V_DS, 9 mΩ R_DS(on) max at V_GS = 10 V and 7.5 A, and 15 A continuous drain current at T_pcb = 25 °C. It features wettable flank PowerFLAT™ 5x6 double island packaging and is AEC-Q101 qualified for under-hood switching in engine control units and body electronics.

For engineers reviewing the STL15DN4F5 datasheet, STL15DN4F5 pinout, STL15DN4F5 application, or STL15DN4F5 equivalent, key selection criteria include its low 8–9 mΩ on-resistance, 25 nC total gate charge, 35 °C/W junction-to-PCB thermal resistance, and dual-channel configuration enabling compact half-bridge or load-switch designs in space-constrained automotive modules.

Technical Context

This device integrates two independent N-channel MOSFETs in a single PowerFLAT™ 5x6 double island package with exposed source pads on both islands. Its STripFET™ F5 process enables optimized cell pitch and reduced specific on-resistance, delivering a figure-of-merit (R_DS(on) × Q_g) of ~225 mΩ·nC.

The MOSFET supports unclamped inductive switching with 150 mJ single-pulse avalanche energy and exhibits fast switching: 18 ns turn-on delay, 45 ns rise time, 32 ns turn-off delay, and 5 ns fall time under standard test conditions (V_DD = 20 V, I_D = 7.5 A, R_G = 4.7 Ω).

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	40 V - Maximum blocking voltage for 12 V automotive systems with transient suppression margin
R_DS(on) max	9 mΩ @ V_GS = 10 V, I_D = 7.5 A - Enables <1.4 W conduction loss at 15 A per channel
I_D continuous	15 A @ T_pcb = 25 °C - Validated PCB-level current rating for FR-4 board with 1 in² copper area
Q_g	25 nC - Low gate drive power requirement; reduces driver IC loading and EMI during switching
R_thj-pcb	35 °C/W - Thermal path optimized for direct PCB copper thermal spreading without heatsink
E_AS	150 mJ - Avalanche ruggedness verified at wafer level for inductive load turn-off reliability

Pinout & Package

STL15DN4F5 uses the PowerFLAT™ 5x6 double island WF type C package: 5.0–5.4 mm × 6.2–6.6 mm footprint, 0.8–1.0 mm height, with two isolated source pads (D2/D3 and D4/D5) and shared drain terminals (D/E side). Wettable flanks enable automated optical solder-joint inspection.

Pin/Terminal	Circuit Role	Design Meaning
Drain (Top-side metal pad)	Power output node	Common high-current drain connection for both channels; requires large copper pour for thermal and current handling
Source 1 (Island A)	Channel 1 return path	Exposed copper pad for Channel 1 source; electrically isolated from Source 2 for half-bridge bootstrap operation
Source 2 (Island B)	Channel 2 return path	Exposed copper pad for Channel 2 source; enables independent grounding or floating bias in synchronous rectifier topologies
Gate 1 / Gate 2	Control inputs	Separate gate terminals (pins 1 & 2) allow independent PWM control of each N-channel switch

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive temperature range (−55 to 175 °C) and mechanical stress requirements
Wettable flank leads	Enables AOI-compatible solder joint inspection on bottom-side SMT assembly
Low R_DS(on) × Q_g	~225 mΩ·nC - Balances conduction and switching losses for high-efficiency 100–200 kHz DC-DC stages
Double island isolation	Galvanic separation between source terminals supports high-side/low-side driver independence
Low V_SD	1.1 V @ I_SD = 15 A - Reduces reverse conduction loss in synchronous rectification applications

Applications

Engine Control Unit (ECU) Load Switching

Automotive Body Control Module (BCM)

Use Scenario: High-side switching of fuel injector drivers and solenoid valves in 12 V engine management systems.

IC Role / Device Role / Timing Role: Dual N-channel MOSFET providing independent channel control for sequential injection timing and diagnostics.

Use Value: 9 mΩ R_DS(on) limits power dissipation to <2 W per channel at 15 A, reducing thermal derating in sealed ECU enclosures.

Use Scenario: Power distribution to lighting loads (headlamps, interior LEDs) and window lift motors in centralized BCMs.

IC Role / Device Role / Timing Role: Dual-channel protected load switch managing multiple 12 V outputs with independent fault reporting.

Use Value: Double island isolation allows separate ground sensing per channel, enabling accurate current monitoring and short-circuit detection.

Electric Power Steering (EPS) Motor Driver

48 V Mild Hybrid DC-DC Converter

Use Scenario: Half-bridge leg in three-phase inverter driving brushless EPS assist motor.

IC Role / Device Role / Timing Role: Low-side switch paired with external high-side driver; leverages low Q_g for 20 kHz PWM efficiency.

Use Value: 25 nC gate charge reduces driver power consumption and enables use of cost-effective 1-A gate drivers.

Use Scenario: Synchronous rectifier in secondary side of isolated bidirectional DC-DC converter linking 12 V and 48 V domains.

IC Role / Device Role / Timing Role: Dual-channel synchronous rectifier replacing diodes to minimize conduction loss at 15 A per phase.

Use Value: 1.1 V V_SD and low R_DS(on) cut rectifier losses by >65% vs Schottky diodes in 400 kHz operation.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual N-channel automotive MOSFET applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Infineon BSC014N04LS6	40 V, 1.4 mΩ R_DS(on), 100 A ID_cont @ T_C; single-channel, smaller PQFN 3.3×3.3 mm	Higher current density but no dual-channel integration; requires two devices for same functionality	Select when board space permits discrete layout and higher peak current capability is needed over dual integration
ON Semiconductor NTMFS4C09NT1G	40 V, 9.5 mΩ R_DS(on), 15.5 A I_D @ T_pcb; dual N-channel in SO-8FL, non-wettable flanks	Lacks wettable flanks and AEC-Q101 full qualification; lower thermal performance (R_thj-pcb = 50 °C/W)	Acceptable for non-safety-critical cabin modules where optical inspection is not required and thermal margin is available

Compared with BSC014N04LS6 and NTMFS4C09NT1G, STL15DN4F5 uniquely combines AEC-Q101 compliance, wettable flank inspection capability, and integrated dual-channel topology in a thermally optimized 5×6 mm footprint-making it optimal for space- and reliability-constrained automotive power stages requiring single-component half-bridge or dual-load solutions.

Availability

STL15DN4F5 is available at Aetrix Electronics and suitable for engine control units, body control modules, electric power steering systems, and mild hybrid DC-DC converters requiring stable component supply across extended automotive lifecycles.

Supply support for STL15DN4F5 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

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, power transistors, sensors, and analog ICs for automotive, industrial, and consumer markets.

The STL15DN4F5 belongs to ST's STripFET™ F5 automotive MOSFET product line, engineered specifically for high-reliability, high-efficiency switching in 12 V and 48 V vehicle electrical architectures.

FAQ

What is the maximum allowable PCB temperature for continuous 15 A operation?

The datasheet specifies 15 A continuous drain current at T_pcb = 25 °C, measured on an FR-4 board with 1 in² copper area and 2 oz Cu thickness. At T_pcb = 100 °C, the rated current drops to 10 A due to thermal derating governed by R_thj-pcb = 35 °C/W. Operation above 100 °C PCB temperature requires derating or enhanced cooling.

Does STL15DN4F5 support paralleling of its two channels for higher current?

No-the two N-channel MOSFETs share a common drain terminal but have electrically isolated source pads; they are not internally matched for current sharing. Paralleling requires external current-balancing resistors and individual gate drive paths, which negates the benefit of dual integration. Each channel is intended for independent control.

Is the 150 mJ avalanche energy rating applicable in system-level design?

The 150 mJ E_AS is wafer-level tested under controlled unclamped inductive switching (V_DD = 24 V, I_AV = 7.5 A). It provides margin against single-event inductive spikes but is not intended for repetitive avalanche operation. System design must ensure SOA compliance and avoid repeated avalanche stress.

Can STL15DN4F5 be used with 5 V logic-level gate drive?

No-its gate threshold voltage is 2–4 V, but R_DS(on) is specified only at V_GS = 10 V. At 5 V, R_DS(on) increases significantly (>25 mΩ), raising conduction loss beyond acceptable levels. A 10 V gate drive is required to achieve the rated 9 mΩ performance and thermal stability.

STL15DN4F5 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Series:: STripFET™ V

Package/Case:: 8-PowerVDFN

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: MOSFET (Metal Oxide)

Configuration:: 2 N-Channel (Dual)

FET Feature:: Logic Level Gate

Drain to Source Voltage (Vdss):: 40V

Current - Continuous Drain (Id) @ 25°C:: 60A

Rds On (Max) @ Id, Vgs:: 9mOhm @ 7.5A, 10V

Vgs(th) (Max) @ Id:: 4V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 25nC @ 10V

Input Capacitance (Ciss) (Max) @ Vds:: 1550pF @ 25V

Power - Max:: 60W

Operating Temperature:: -55°C ~ 175°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Surface Mount

Supplier Device Package:: PowerFlat™ (5x6)

STL15DN4F5 FAQ

1.How can I place an order for STL15DN4F5 through Aetrix?

Please submit a Request for Quotation (RFQ) for STL15DN4F5 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 STL15DN4F5 reliable?

The price and inventory of STL15DN4F5 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STL15DN4F5 is usually 5 days.

3.What payment methods are accepted for STL15DN4F5?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STL15DN4F5 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STL15DN4F5?

STL15DN4F5 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STL15DN4F5 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 STL15DN4F5?

For technical support, including STL15DN4F5 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STL15DN4F5 requirements.

6.How does Aetrix verify that STL15DN4F5 is sourced from the original manufacturer or authorized distributors?

All STL15DN4F5 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 STL15DN4F5 meets industry standards.

7.What is the process for return or replacement of STL15DN4F5?

All STL15DN4F5 units undergo pre-shipment inspection (PSI). If there is an issue with STL15DN4F5, 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 STL15DN4F5 part is unused and in its original packaging.

Return procedure for STL15DN4F5:

1.Submit a request within 90 days.

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

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