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

Vishay Siliconix SQA409CEJW-T1_GE3

Name: SQA409CEJW-T1_GE3
Brand: Vishay Siliconix
SKU: SQA409CEJW-T1_GE3
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SQA409CEJW-T1_GE3

Manufacturer:: Vishay Siliconix

Category:: FETs, MOSFETs

Package:: PowerPAK® SC-70-6

Datasheet:: SQA409CEJW-T1_GE3.pdf

Description:: AUTOMOTIVE P-CHANNEL 12 V (D-S)

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Product details

Overview

SQA409CEJW-T1_GE3 from Vishay Siliconix is an automotive-grade P-channel enhancement-mode MOSFET in PowerPAK® SC-70W-6L package, rated for -12 V V_DS, 0.019 Ω R_DS(on) at -4.5 V V_GS, -9 A continuous drain current, and operation up to +175 °C junction temperature-designed for high-reliability load switching in automotive body electronics.

For engineers reviewing the SQA409CEJW-T1_GE3 datasheet, SQA409CEJW-T1_GE3 pinout, SQA409CEJW-T1_GE3 application, or SQA409CEJW-T1_GE3 equivalent, key selection criteria include wettable flank terminals for automated optical inspection, AEC-Q101 qualification, gate voltage limitation to ≤ +3.0 V, and thermal performance under PCB-mount conditions (R_thJA = 90 °C/W).

Technical Context

This device implements a trench-based silicon structure optimized for low R_DS(on) and fast switching in compact automotive power rails. It features integrated body diode with 14 ns reverse recovery time and 6 nC Q_rr, enabling efficient synchronous rectification and bidirectional current handling in DC-DC converters and LED drivers.

The gate drive architecture supports logic-level compatibility down to -1.8 V V_GS (R_DS(on) = 0.040 Ω), while maintaining robust ±8 V V_GS rating and 100 % R_g and UIS testing per AEC-Q101. Its wettable flank terminals ensure solder joint integrity verification via AOI in high-volume automotive assembly.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	-12 V - Maximum blocking voltage for 12 V automotive battery rail protection
R_DS(on) @ -4.5 V	0.019 Ω - Enables <19 mW conduction loss at 1 A, critical for thermally constrained modules
I_D Continuous	-9 A - Supports high-current loads like HVAC actuators and seat motor drivers
T_J Max	+175 °C - Qualified for under-hood applications including engine control units
Q_g	22 nC typical - Low gate charge enables fast turn-on with minimal driver power dissipation
R_thJA	90 °C/W - Thermal resistance measured on 1"² FR4 PCB, defines heatsinking requirements
V_GS(th)	-0.7 V typical - Ensures reliable turn-on with standard 3.3 V microcontroller GPIO

Pinout & Package

Package: PowerPAK® SC-70W-6L - leadless, surface-mount, wettable flank terminals, 2.05 mm × 2.05 mm footprint, 0.5 mm height, drain-connected top-side thermal pad.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 4, 5 (Drain)	Power Drain Connection	Four parallel drain terminals reduce inductance and improve current sharing in high-frequency switching
3 (Gate)	Control Input	Single gate terminal with 6.45 Ω typical R_g; requires external gate resistor for EMI control
6, 7 (Source)	Power Return / Body Diode Anode	Dual source terminals support bidirectional current flow and reduce source inductance in half-bridge configurations

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive use across -55 °C to +175 °C with accelerated lifetime testing
Wettable flank terminals	Enables automated optical inspection of solder joints without X-ray, reducing manufacturing defect escape
100 % R_g and UIS tested	Each unit verified for gate resistance consistency and unclamped inductive switching ruggedness
Low V_GS(th) (-0.7 V typ)	Ensures full enhancement with 3.3 V logic controllers, eliminating need for level-shifting circuitry
Body diode t_rr = 14 ns	Minimizes reverse recovery losses in buck converters and H-bridge freewheeling paths

Applications

Automotive Door Module	LED Headlamp Driver
Use Scenario: Controlling window lift motors and mirror actuators in centralized door ECUs. IC Role / Device Role / Timing Role: High-side load switch managing 12 V supply to brushed DC motors. Use Value: Wettable flanks ensure solder joint reliability during thermal cycling; -175 °C rating supports under-door module placement near chassis ground.	Use Scenario: Driving high-brightness LED strings in adaptive front-lighting systems (AFS). IC Role / Device Role / Timing Role: Synchronous rectifier in buck converter output stage. Use Value: 14 ns t_rr and 6 nC Q_rr reduce switching losses by >25 % vs. standard MOSFETs, improving thermal margin at 200 kHz operation.
Engine Control Unit (ECU) Fan Control	Automotive HVAC Blower
Use Scenario: PWM-controlled radiator fan driver operating in high-temperature engine bay environments. IC Role / Device Role / Timing Role: Low-side switch in PWM-driven fan motor interface. Use Value: +175 °C T_J max and 0.019 Ω R_DS(on) enable direct mounting on ECU PCB without heatsink, saving board space.	Use Scenario: Speed-regulated blower motor control in climate control modules. IC Role / Device Role / Timing Role: High-side power switch for 12 V DC motor supply path. Use Value: -9 A continuous rating and 100 % UIS testing ensure survival during motor stall events and load dump transients.

Automotive Door Module

LED Headlamp Driver

Use Scenario: Controlling window lift motors and mirror actuators in centralized door ECUs.

IC Role / Device Role / Timing Role: High-side load switch managing 12 V supply to brushed DC motors.

Use Value: Wettable flanks ensure solder joint reliability during thermal cycling; -175 °C rating supports under-door module placement near chassis ground.

Use Scenario: Driving high-brightness LED strings in adaptive front-lighting systems (AFS).

IC Role / Device Role / Timing Role: Synchronous rectifier in buck converter output stage.

Use Value: 14 ns t_rr and 6 nC Q_rr reduce switching losses by >25 % vs. standard MOSFETs, improving thermal margin at 200 kHz operation.

Engine Control Unit (ECU) Fan Control

Automotive HVAC Blower

Use Scenario: PWM-controlled radiator fan driver operating in high-temperature engine bay environments.

IC Role / Device Role / Timing Role: Low-side switch in PWM-driven fan motor interface.

Use Value: +175 °C T_J max and 0.019 Ω R_DS(on) enable direct mounting on ECU PCB without heatsink, saving board space.

Use Scenario: Speed-regulated blower motor control in climate control modules.

IC Role / Device Role / Timing Role: High-side power switch for 12 V DC motor supply path.

Use Value: -9 A continuous rating and 100 % UIS testing ensure survival during motor stall events and load dump transients.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
DMT6009LSD-13	R_DS(on) = 0.0095 Ω @ -4.5 V, but larger PowerPAK SO-8 package (3.3 mm × 3.3 mm)	Higher current capability (-12 A), but less suitable for ultra-compact modules due to footprint size	Select when higher current headroom and thermal mass are prioritized over board area
SIR178DP-T1-GE3	R_DS(on) = 0.022 Ω @ -4.5 V, same PowerPAK SC-70W-6L footprint, but rated only to +150 °C	Lacks AEC-Q101 qualification and 175 °C rating; not approved for under-hood deployment	Select only for non-automotive industrial applications where extended temperature range is not required

Compared with DMT6009LSD-13 and SIR178DP-T1-GE3, the SQA409CEJW-T1_GE3 uniquely balances ultra-compact 2.05 mm × 2.05 mm packaging, AEC-Q101 compliance, +175 °C operation, and wettable flank inspection-making it optimal for space-constrained, high-reliability automotive modules.

Availability

SQA409CEJW-T1_GE3 is available at Aetrix Electronics and suitable for automotive body electronics, LED lighting control, and engine bay power management requiring stable component supply across long production lifecycles.

Supply support for SQA409CEJW-T1_GE3 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 designs and manufactures discrete semiconductors including MOSFETs, diodes, and optoelectronics, with emphasis on high-reliability, high-performance power components.

The SQA409CEJW-T1_GE3 belongs to Vishay's automotive-qualified TrenchFET® PowerPAK SC-70W series, engineered specifically for space-constrained, thermally demanding automotive power switches requiring AEC-Q101 validation and process-traceable manufacturing.

FAQ

What is the maximum allowable gate-source voltage for SQA409CEJW-T1_GE3?

The SQA409CEJW-T1_GE3 has a ±8 V absolute maximum V_GS rating, but the datasheet explicitly states it is "not intended for continuous use with positive gate voltage > 3.0 V." This restriction prevents unintended channel inversion or oxide stress during transient conditions. For reliable operation, gate drive circuits must clamp V_GS to ≤ +3.0 V in steady state, even though the device can withstand short excursions to +8 V.

Is SQA409CEJW-T1_GE3 suitable for high-frequency PWM applications?

Yes, the SQA409CEJW-T1_GE3 supports high-frequency PWM with 22 nC total gate charge and 15 ns turn-on delay, enabling efficient operation up to 500 kHz in buck converters. Its 361 pF Crss and low Q_gd/Q_gs ratio improve controllability during hard switching. However, layout must minimize gate loop inductance to avoid oscillation, especially given its 6.45 Ω typical gate resistance.

Does SQA409CEJW-T1_GE3 include an integrated body diode, and what are its characteristics?

Yes, the SQA409CEJW-T1_GE3 integrates a body diode with forward voltage V_SD = -0.72 V typical at -4.5 A and reverse recovery time t_rr = 14 ns. The diode supports bidirectional current flow in half-bridge configurations and freewheeling paths. Its 6 nC Q_rr and 7 ns ta/tb values indicate fast, soft recovery-critical for minimizing voltage spikes and EMI in automotive power stages.

What does "wettable flank terminals" mean for SQA409CEJW-T1_GE3, and why is it important?

Wettable flank terminals on the SQA409CEJW-T1_GE3 refer to tin-plated vertical sidewalls on all six package terminals, enabling solder to wick up the side during reflow. This allows automated optical inspection (AOI) to verify solder joint quality without X-ray. In automotive manufacturing, this feature reduces field failure risk by catching voids or insufficient solder volume early-directly supporting zero-defect assembly goals for safety-critical modules.

How does the thermal performance of SQA409CEJW-T1_GE3 compare between PCB mount and case mount?

The SQA409CEJW-T1_GE3 specifies R_thJA = 90 °C/W for PCB-mounted operation (1"² FR4) and R_thJF = 11 °C/W junction-to-case (drain). The large difference reflects reliance on the PCB copper pour for heat spreading. Unlike packages with exposed thermal pads, this device transfers heat primarily through its drain terminals into the board. Therefore, optimal thermal design requires generous copper area connected to pins 1/2/4/5 and proper via stitching-not case-sink attachment.

SQA409CEJW-T1_GE3 Specifications

Product attributes: Attribute value

Manufacturer:: Vishay Siliconix

Series:: TrenchFET®

Package/Case:: PowerPAK® SC-70-6

Packaging:: Tape & Reel (TR)

Product Status:: Active

FET Type:: P-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 12 V

Current - Continuous Drain (Id) @ 25°C:: 9A (Tc)

Drive Voltage (Max Rds On, Min Rds On):: 1.8V, 4.5V

Rds On (Max) @ Id, Vgs:: 19mOhm @ 4.5A, 4.5V

Vgs(th) (Max) @ Id:: 1V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 33 nC @ 4.5 V

Vgs (Max):: ±8V

Input Capacitance (Ciss) (Max) @ Vds:: 3070 pF @ 6 V

FET Feature:: -

Power Dissipation (Max):: 13.6W (Tc)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount, Wettable Flank

Supplier Device Package:: PowerPAK®SC-70W-6

SQA409CEJW-T1_GE3 FAQ

1.How can I place an order for SQA409CEJW-T1_GE3 through Aetrix?

Please submit a Request for Quotation (RFQ) for SQA409CEJW-T1_GE3 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 SQA409CEJW-T1_GE3 reliable?

The price and inventory of SQA409CEJW-T1_GE3 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SQA409CEJW-T1_GE3 is usually 5 days.

3.What payment methods are accepted for SQA409CEJW-T1_GE3?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SQA409CEJW-T1_GE3 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SQA409CEJW-T1_GE3?

SQA409CEJW-T1_GE3 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SQA409CEJW-T1_GE3 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 SQA409CEJW-T1_GE3?

For technical support, including SQA409CEJW-T1_GE3 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SQA409CEJW-T1_GE3 requirements.

6.How does Aetrix verify that SQA409CEJW-T1_GE3 is sourced from the original manufacturer or authorized distributors?

All SQA409CEJW-T1_GE3 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 SQA409CEJW-T1_GE3 meets industry standards.

7.What is the process for return or replacement of SQA409CEJW-T1_GE3?

All SQA409CEJW-T1_GE3 units undergo pre-shipment inspection (PSI). If there is an issue with SQA409CEJW-T1_GE3, 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 SQA409CEJW-T1_GE3 part is unused and in its original packaging.

Return procedure for SQA409CEJW-T1_GE3:

1.Submit a request within 90 days.

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

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