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

Diodes Incorporated VN10LFTC

Name: VN10LFTC
Brand: Diodes Incorporated
SKU: VN10LFTC
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: VN10LFTC

Manufacturer:: Diodes Incorporated

Category:: FETs, MOSFETs

Package:: TO-236-3, SC-59, SOT-23-3

Datasheet:: VN10LFTC.pdf

Description:: MOSFET N-CH 60V 150MA SOT23-3

Quantity:: RFQ Add To RFQ list

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Inventory:5,639

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Product details

Overview

VN10LFTC from STMicroelectronics is an N-channel enhancement-mode vertical DMOS FET in SOT-23 package, rated for 60 V V_DS, 150 mA continuous drain current, and 5 Ω R_DS(on) at V_GS = 10 V; used in low-power switching applications such as LED drivers and load switches in portable instrumentation.

For engineers reviewing the VN10LFTC datasheet, VN10LFTC pinout, VN10LFTC application, or VN10LFTC equivalent, key selection criteria include verified R_DS(on) at 5 V gate drive, pulsed current capability (3 A), thermal derating above 25°C, and SOT-23 footprint compatibility with PCB layout constraints.

Technical Context

This device operates as a single N-channel power switch with threshold voltage ranging from 0.8 V to 2.5 V, enabling logic-level gate drive compatibility with 3.3 V and 5 V microcontrollers. Its vertical DMOS structure delivers low on-resistance while maintaining robust avalanche ruggedness.

Switching performance is characterized by t_on = 3–10 ns and t_off = 4–10 ns under 15 V V_DD, 600 mA load, and 50 Ω source impedance - suitable for high-frequency PWM control up to several hundred kHz in discrete power stages.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DS	60 V - maximum blocking voltage before avalanche breakdown; defines safe operating range in 24 V and 48 V auxiliary rails.
R_DS(on)	5.0 Ω (typ.) at V_GS = 10 V, I_D = 500 mA - determines conduction loss and junction temperature rise under steady-state load.
I_D (cont)	150 mA at T_amb = 25°C - usable DC current limit without heatsinking; derates to ~75 mA at 85°C ambient.
P_tot	330 mW at T_amb = 25°C - sets absolute thermal ceiling for continuous operation on standard FR-4 PCB.
t_on/t_off	3–10 ns / 4–10 ns - enables fast switching in low-duty-cycle pulse control, minimizing transition losses in battery-powered systems.
V_GS(th)	0.8–2.5 V - ensures turn-on with standard CMOS/LVTTL outputs; allows partial enhancement at 3.3 V gate bias.

Pinout & Package

SOT-23 surface-mount package with gull-wing leads; compact 2.9 mm × 1.3 mm footprint and 1.0 mm height; thermally optimized for PCB copper pour attachment to Drain (Pin 2).

Pin/Terminal	Circuit Role	Design Meaning
1 (G)	Gate	Control terminal; requires ≤±20 V rating; low input capacitance (C_iss = 60 pF) minimizes driver loading.
2 (D)	Drain	High-side or low-side power path connection; electrically tied to exposed pad in some variants; primary heat dissipation path.
3 (S)	Source	Reference node for gate drive; connects to ground or load return; defines common-mode reference for sensing and feedback.

Key Features

Feature	Design Value
Logic-level gate drive	V_GS(th) down to 0.8 V enables direct interface with 3.3 V MCUs without level-shifting circuitry.
Avalanche-rated structure	Guaranteed unclamped inductive switching capability per JEDEC JESD22-A109; supports relay/snubberless inductive loads.
Low gate charge	C_iss = 60 pF and C_rss = 5 pF reduce switching energy and EMI generation during edge transitions.
Thermal robustness	Operating junction temperature range of –55°C to +150°C supports deployment in automotive cabin and industrial control enclosures.

Applications

LED Power Switching

Microcontroller I/O Load Control

Use Scenario: Driving 20–50 mA indicator LEDs from MCU GPIO pins in handheld test equipment.

IC Role / Device Role / Timing Role: Low-side switch with logic-compatible gate threshold and minimal board space.

Use Value: Eliminates need for external base resistors or Darlington buffers; reduces BOM count by one active component per channel.

Use Scenario: Enabling/disabling peripheral sensors or communication transceivers via MCU-controlled power gating.

IC Role / Device Role / Timing Role: Discrete load switch managing 3.3 V or 5 V supply domains with fast enable/disable response.

Use Value: Achieves <10 ns turn-off delay, preventing brown-out during hot-swap sequencing in modular sensor nodes.

Low-Power Relay Driver

Portable Battery Protection

Use Scenario: Replacing electromechanical relays in HVAC control panels where coil current is ≤100 mA.

IC Role / Device Role / Timing Role: Solid-state replacement for SPST relay with no contact bounce or wear-out mechanism.

Use Value: Enables >1 million switching cycles versus typical relay lifetime of 100k mechanical operations.

Use Scenario: Overcurrent cutoff in USB-powered medical monitors using 3.7 V Li-ion battery packs.

IC Role / Device Role / Timing Role: Current-limiting switch triggered by comparator output during fault detection.

Use Value: Limits peak fault current to <3 A (IDM rating) while sustaining 150 mA normal operation without thermal shutdown.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ZVN3306F	R_DS(on) = 3.5 Ω (typ.) at V_GS = 10 V; higher g_fs = 150 mS; same SOT-23 package.	Better efficiency at 500 mA loads but tighter V_GS(th) tolerance (1.0–2.0 V); less margin for marginal gate drive.	Prefer when lower conduction loss dominates over gate drive flexibility.
DMN2004LK-7	R_DS(on) = 3.2 Ω (max) at V_GS = 4.5 V; 20 V V_DS; smaller Q_g = 1.1 nC.	Limited to ≤20 V systems; unsuitable for 48 V auxiliary rails or inductive kick protection above 25 V.	Select only for 3.3 V/5 V logic-driven 20 V rail switching with strict gate charge budget.

Compared with ZVN3306F and DMN2004LK-7, VN10LFTC offers broader V_DS headroom (60 V), wider V_GS(th) range for legacy 5 V logic compatibility, and proven avalanche ruggedness - making it preferable for industrial fieldbus interfaces and mixed-rail embedded subsystems.

Availability

VN10LFTC is available at Aetrix Electronics and suitable for LED switching, microcontroller I/O load control, low-power relay driving, and portable battery protection requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for VN10LFTC 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, specializing in power management, analog, and microcontroller solutions for industrial, automotive, and consumer markets.

VN10LFTC belongs to ST's legacy vertical DMOS power MOSFET family, designed specifically for cost-sensitive, space-constrained DC switching applications where reliability under transient stress and wide gate drive compatibility are critical.

FAQ

Is VN10LFTC suitable for 3.3 V microcontroller gate drive?

Yes. With a guaranteed V_GS(th) as low as 0.8 V and typical R_DS(on) of 5 Ω at V_GS = 5 V, it fully enhances under 3.3 V logic drive - delivering ~100 mA continuous drain current with acceptable on-resistance in real-world PCB layouts.

Does VN10LFTC have built-in ESD protection?

No. The device lacks integrated ESD protection diodes; external TVS or series resistance is recommended on the gate line when exposed to handling or system-level ESD events per IEC 61000-4-2 Level 2+ environments.

What is the maximum safe pulsed drain current for short-duration switching?

The absolute maximum pulsed drain current (I_DM) is 3 A, specified under pulsed conditions (300 µs width, ≤2% duty cycle). This rating applies only with adequate PCB copper area for thermal spreading and ambient temperature ≤25°C.

Can VN10LFTC replace a BJT in existing 5 V logic-switched circuits?

Yes - with design adjustments. Unlike BJTs, it requires no base current, reducing MCU I/O loading. However, gate capacitance must be driven with sufficient slew rate to avoid shoot-through in half-bridge configurations; gate resistor selection should target <10 ns rise time.

VN10LFTC Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: TO-236-3, SC-59, SOT-23-3

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 60 V

Current - Continuous Drain (Id) @ 25°C:: 150mA (Ta)

Drive Voltage (Max Rds On, Min Rds On):: 5V, 10V

Rds On (Max) @ Id, Vgs:: 5Ohm @ 500mA, 10V

Vgs(th) (Max) @ Id:: 2.5V @ 1mA

Gate Charge (Qg) (Max) @ Vgs:: -

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 60 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 330mW (Ta)

Operating Temperature:: -55°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-23-3

VN10LFTC FAQ

1.How can I place an order for VN10LFTC through Aetrix?

Please submit a Request for Quotation (RFQ) for VN10LFTC 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 VN10LFTC reliable?

The price and inventory of VN10LFTC are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for VN10LFTC is usually 5 days.

3.What payment methods are accepted for VN10LFTC?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for VN10LFTC transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for VN10LFTC?

VN10LFTC orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your VN10LFTC 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 VN10LFTC?

For technical support, including VN10LFTC datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your VN10LFTC requirements.

6.How does Aetrix verify that VN10LFTC is sourced from the original manufacturer or authorized distributors?

All VN10LFTC 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 VN10LFTC meets industry standards.

7.What is the process for return or replacement of VN10LFTC?

All VN10LFTC units undergo pre-shipment inspection (PSI). If there is an issue with VN10LFTC, 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 VN10LFTC part is unused and in its original packaging.

Return procedure for VN10LFTC:

1.Submit a request within 90 days.

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

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