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

Toshiba Semiconductor and Storage SSM3K341TU,LF

Name: SSM3K341TU,LF
Brand: Toshiba Semiconductor and Storage
SKU: SSM3K341TU,LF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SSM3K341TU,LF

Manufacturer:: Toshiba Semiconductor and Storage

Category:: FETs, MOSFETs

Package:: 3-SMD, Flat Leads

Datasheet:: SSM3K341TU,LF.pdf

Description:: MOSFET N-CH 60V 6A UFM

Quantity:: RFQ Add To RFQ list

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Product details

Overview

SSM3K341TU,LF from Toshiba Electronic Devices & Storage Corporation is a silicon N-channel MOSFET (U-MOS-H) designed for high-efficiency power switching in compact DC-DC converters and power management circuits. It delivers R_DS(ON) = 28 mΩ (typ.) at V_GS = 10 V, supports 6 A DC drain current, operates up to 60 V V_DSS, and is qualified to AEC-Q101 for automotive-grade reliability.

For engineers reviewing the SSM3K341TU,LF datasheet, SSM3K341TU,LF pinout, SSM3K341TU,LF application, or SSM3K341TU,LF equivalent, key selection criteria include its 4.0 V gate drive compatibility, low R_DS(ON) at 4.5 V (36 mΩ typ.), UFM package thermal performance, and AEC-Q101 qualification status for automotive power switches.

Technical Context

This discrete N-channel MOSFET employs Toshiba's U-MOS-H trench-gate structure to achieve low on-resistance and fast switching with minimal gate charge (Q_g = 9.3 nC typ.). Its 60 V V_DSS rating and 175 °C channel temperature limit support robust operation in 12 V/24 V automotive and industrial power rails.

The device features integrated body diode with V_DSF = −0.9 V (typ.) at −6 A, and exhibits C_iss = 550 pF and C_oss = 300 pF at V_DS = 10 V - enabling efficient synchronous rectification and high-frequency PWM control in buck converters.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	60 V - supports 24 V automotive systems with 2× safety margin against transients
R_DS(ON) @ V_GS = 10 V	28 mΩ (typ.) - enables <170 mW conduction loss at 4 A continuous current
R_DS(ON) @ V_GS = 4.5 V	36 mΩ (typ.) - ensures reliable turn-on with standard 5 V logic or controller outputs
I_D (DC)	6 A - sustains full-load current in small-footprint point-of-load regulators
Q_g	9.3 nC (typ.) - reduces gate drive power and enables >1 MHz switching with low-loss drivers
AEC-Q101 Qualified	Yes - validated for automotive power management per stress test requirements
Package	UFM (1.2 × 1.2 × 0.45 mm) - ultra-small footprint with 6.6 mg mass for space-constrained PCBs

Pinout & Package

SSM3K341TU,LF uses the UFM (Ultra Small Flat Mount) surface-mount package: 1.2 mm × 1.2 mm × 0.45 mm body, single-row 3-terminal configuration, matte tin-plated terminals, RoHS-compliant, tape-and-reel packaging.

Pin/Terminal	Circuit Role	Design Meaning
1 (Gate)	Control input	Accepts 4–10 V logic-level drive; threshold voltage V_th = 1.5–2.5 V ensures clean turn-on with 5 V controllers
2 (Source)	Reference node	Common return path for load current; tied to ground or low-side switch reference in half-bridge topologies
3 (Drain)	Power output	Carries switched load current up to 6 A DC; connects to input rail or inductor node in buck converters

Key Features

Feature	Design Value
AEC-Q101 qualification	Validated for automotive power switches including engine control modules and body electronics
Low R_DS(ON) at 4.5 V	36 mΩ typ. enables efficient operation with 5 V microcontrollers and PMICs without level-shifting
U-MOS-H trench structure	Reduces gate charge and improves switching efficiency vs. planar MOSFETs in same package
Integrated body diode	V_DSF = −0.9 V typ. at −6 A supports freewheeling in synchronous and asynchronous DC-DC topologies

Applications

Automotive Body Control Module	Industrial DC-DC Point-of-Load Regulator
Use Scenario: Switching 12 V battery power to LED lighting, window motors, and HVAC actuators in BCMs. IC Role / Device Role / Timing Role: Low-side power switch controlling load current with PWM dimming or duty-cycled actuation. Use Value: AEC-Q101 qualification and 175 °C T_ch ensure long-term reliability under under-hood thermal cycling.	Use Scenario: High-efficiency synchronous rectifier in 5 V/3.3 V buck converters for PLC I/O modules. IC Role / Device Role / Timing Role: Output-stage power switch operating at 500 kHz–1 MHz with low conduction and switching losses. Use Value: 36 mΩ R_DS(ON) at 4.5 V and 9.3 nC Q_g minimize total power loss in thermally constrained enclosures.
USB-C Power Delivery Sink	Smart Home Energy Monitor
Use Scenario: Input protection and power path management for 20 V USB PD sink applications. IC Role / Device Role / Timing Role: Reverse-voltage blocking and overcurrent-controlled power switch upstream of buck controller. Use Value: 60 V V_DSS withstands USB PD transient surges; low R_DS(ON) limits insertion loss in compact form factors.	Use Scenario: Isolated power switch for shunt-based current sensing circuitry in smart meter front-ends. IC Role / Device Role / Timing Role: Precision on/off control of auxiliary supply rails during calibration and measurement cycles. Use Value: Tight V_th distribution (1.5–2.5 V) ensures consistent turn-on timing across temperature and unit-to-unit variation.

Automotive Body Control Module

Industrial DC-DC Point-of-Load Regulator

Use Scenario: Switching 12 V battery power to LED lighting, window motors, and HVAC actuators in BCMs.

IC Role / Device Role / Timing Role: Low-side power switch controlling load current with PWM dimming or duty-cycled actuation.

Use Value: AEC-Q101 qualification and 175 °C T_ch ensure long-term reliability under under-hood thermal cycling.

Use Scenario: High-efficiency synchronous rectifier in 5 V/3.3 V buck converters for PLC I/O modules.

IC Role / Device Role / Timing Role: Output-stage power switch operating at 500 kHz–1 MHz with low conduction and switching losses.

Use Value: 36 mΩ R_DS(ON) at 4.5 V and 9.3 nC Q_g minimize total power loss in thermally constrained enclosures.

USB-C Power Delivery Sink

Smart Home Energy Monitor

Use Scenario: Input protection and power path management for 20 V USB PD sink applications.

IC Role / Device Role / Timing Role: Reverse-voltage blocking and overcurrent-controlled power switch upstream of buck controller.

Use Value: 60 V V_DSS withstands USB PD transient surges; low R_DS(ON) limits insertion loss in compact form factors.

Use Scenario: Isolated power switch for shunt-based current sensing circuitry in smart meter front-ends.

IC Role / Device Role / Timing Role: Precision on/off control of auxiliary supply rails during calibration and measurement cycles.

Use Value: Tight V_th distribution (1.5–2.5 V) ensures consistent turn-on timing across temperature and unit-to-unit variation.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
DMN3026LSD-13	R_DS(ON) = 28 mΩ @ 10 V but only 44 mΩ @ 4.5 V; SO-8 package (larger footprint)	Higher thermal resistance; suited for lower-power, non-automotive designs where board space is less constrained	Choose when SO-8 layout exists and AEC-Q101 is not required
AO3400A	R_DS(ON) = 28 mΩ @ 10 V and 40 mΩ @ 4.5 V; SOT-23 package; no AEC-Q101 qualification	Lacks automotive qualification; suitable for consumer-grade DC-DC converters with relaxed reliability requirements	Prefer for cost-sensitive, non-automotive applications requiring identical SOT-23 footprint

Compared with DMN3026LSD-13 and AO3400A, the SSM3K341TU,LF offers superior 4.5 V drive capability (36 mΩ), AEC-Q101 validation, and UFM package size - making it optimal for space-constrained, automotive-qualified power switches where gate drive voltage headroom is limited.

Availability

SSM3K341TU,LF is available at Aetrix Electronics and suitable for automotive body control modules, industrial DC-DC point-of-load regulators, and USB-C power delivery sink designs requiring stable component supply and long-term lifecycle support.

Supply support for SSM3K341TU,LF 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

Toshiba Electronic Devices & Storage Corporation designs and manufactures high-reliability semiconductor components, with global manufacturing and quality systems certified to ISO/TS 16949 and IATF 16949 standards.

The SSM3K341TU,LF belongs to Toshiba's U-MOS-H series of low-voltage N-channel MOSFETs, engineered specifically for automotive and industrial power management where compact size, low gate drive voltage, and AEC-Q101 compliance are critical.

FAQ

What is the maximum continuous drain current for SSM3K341TU,LF?

The SSM3K341TU,LF supports 6 A DC drain current at T_a = 25 °C with proper PCB thermal design (25.4 mm × 25.4 mm × 1.6 mm FR4 board, 645 mm² Cu pad). Derating applies above 25 °C ambient; at 100 °C, rated I_D drops to ~3.5 A based on thermal resistance and channel temperature limit of 175 °C.

Is SSM3K341TU,LF suitable for automotive applications?

Yes, the SSM3K341TU,LF is AEC-Q101 qualified and explicitly listed for automotive use in Toshiba's orderable part number documentation. Its 175 °C channel temperature rating, robust avalanche energy (E_AS = 28.9 mJ), and qualification testing make it appropriate for body electronics, lighting, and power distribution modules in passenger vehicles.

What is the gate threshold voltage range of SSM3K341TU,LF?

The SSM3K341TU,LF has a gate threshold voltage (V_th) range of 1.5 V (min) to 2.5 V (max) at I_D = 0.1 mA and V_DS = 10 V. This tight V_th distribution ensures predictable turn-on behavior across temperature and process variation, supporting reliable operation with 3.3 V or 5 V gate drivers.

Does SSM3K341TU,LF include an integrated body diode?

Yes, the SSM3K341TU,LF includes a built-in body diode with forward voltage V_DSF = −0.9 V (typ.) at I_D = −6 A and V_GS = 0 V. This diode enables freewheeling current paths in asynchronous DC-DC converters and provides reverse-current protection in power-path applications.

What is the thermal resistance from channel to ambient for SSM3K341TU,LF?

The channel-to-ambient thermal resistance (R_th(ch-a)) of SSM3K341TU,LF is not specified as a fixed value because it depends entirely on PCB layout - including copper area, thickness, and board material. Toshiba specifies power dissipation (P_D = 1.0 W) on a 25.4 mm × 25.4 mm × 1.6 mm FR4 board with 645 mm² Cu pad; actual R_th(ch-a) must be measured or simulated for each design.

SSM3K341TU,LF Specifications

Product attributes: Attribute value

Manufacturer:: Toshiba Semiconductor and Storage

Series:: U-MOSVIII-H

Package/Case:: 3-SMD, Flat Leads

Packaging:: Tape & Reel (TR)

Product Status:: Active

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 60 V

Current - Continuous Drain (Id) @ 25°C:: 6A (Ta)

Drive Voltage (Max Rds On, Min Rds On):: 4V, 10V

Rds On (Max) @ Id, Vgs:: 36mOhm @ 4A, 10V

Vgs(th) (Max) @ Id:: 2.5V @ 100µA

Gate Charge (Qg) (Max) @ Vgs:: 9.3 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 550 pF @ 10 V

FET Feature:: -

Power Dissipation (Max):: 1.8W (Ta)

Operating Temperature:: 175°C

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: UFM

SSM3K341TU,LF FAQ

1.How can I place an order for SSM3K341TU,LF through Aetrix?

Please submit a Request for Quotation (RFQ) for SSM3K341TU,LF 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 SSM3K341TU,LF reliable?

The price and inventory of SSM3K341TU,LF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SSM3K341TU,LF is usually 5 days.

3.What payment methods are accepted for SSM3K341TU,LF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SSM3K341TU,LF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SSM3K341TU,LF?

SSM3K341TU,LF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SSM3K341TU,LF 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 SSM3K341TU,LF?

For technical support, including SSM3K341TU,LF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SSM3K341TU,LF requirements.

6.How does Aetrix verify that SSM3K341TU,LF is sourced from the original manufacturer or authorized distributors?

All SSM3K341TU,LF 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 SSM3K341TU,LF meets industry standards.

7.What is the process for return or replacement of SSM3K341TU,LF?

All SSM3K341TU,LF units undergo pre-shipment inspection (PSI). If there is an issue with SSM3K341TU,LF, 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 SSM3K341TU,LF part is unused and in its original packaging.

Return procedure for SSM3K341TU,LF:

1.Submit a request within 90 days.

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

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