Send an Inquiry

To receive a quote for your project, please fill in the following information, and we’ll get back to you promptly.

Submit Inventory List

Please fill in the following information, and we’ll get back to you promptly.

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

Diodes Incorporated DMN3032L-7

Name: DMN3032L-7
Brand: Diodes Incorporated
SKU: DMN3032L-7
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: DMN3032L-7

Manufacturer:: Diodes Incorporated

Category:: FETs, MOSFETs

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

Datasheet:: DMN3032L-7.pdf

Description:: MOSFET BVDSS: 8V~24V SOT23 T&R 3

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:8,998

Please send an inquiry. Send us your inquiry, and we will respond immediately.

Product details

Overview

DMN3032L-7 from Diodes Incorporated is an N-channel enhancement-mode MOSFET in SOT23 package, rated for 30V V_DSS, 31 mΩ R_DS(ON) @ 10V V_GS, and 5.4A continuous drain current at +25°C - optimized for high-efficiency DC-DC converters and portable power adaptors.

For engineers reviewing the DMN3032L-7 datasheet, DMN3032L-7 pinout, DMN3032L-7 application, or DMN3032L-7 equivalent, key selection criteria include low gate charge (10.1 nC @ 10V), fast switching (t_F = 13.4 ns), thermal resistance (93 °C/W with recommended layout), and SOT23 footprint compatibility in space-constrained battery charging circuits.

Technical Context

This MOSFET employs planar silicon technology to achieve a balance of low on-resistance and controlled gate capacitance (C_iss = 481 pF, C_rss = 42 pF), enabling efficient operation in synchronous buck topologies up to ~1 MHz. Its 1.0–2.0 V gate threshold supports direct drive from 3.3V and 5V logic controllers.

Thermal performance is defined under two PCB conditions: 93 °C/W with minimum pad layout (PD = 1.3 W) and 150 °C/W with standard FR-4 (PD = 0.8 W). The body diode exhibits V_SD = 0.7–1.0 V at 1 A, suitable for freewheeling in non-synchronous converters.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	30 V - Maximum blocking voltage before avalanche; sets upper limit for input rail in 12V/24V DC-DC stages.
R_DS(ON)	31 mΩ @ V_GS = 10V - Determines conduction loss at full load; enables <150 mW I²R loss at 5.4A.
Q_g	10.1 nC @ V_GS = 10V - Governs gate driver power and switching transition time in high-frequency PWM control.
t_F	13.4 ns - Fast fall time minimizes overlap loss during hard-switched transitions in buck regulators.
R_θJA	93 °C/W - Thermal resistance with optimized 2oz copper pad; defines junction-to-ambient rise per watt dissipated.
V_GS(TH)	1.0–2.0 V - Ensures reliable turn-on with 3.3V microcontroller GPIO without level-shifting.
C_iss	481 pF - Input capacitance impacts gate drive loop stability and EMI generation in switching nodes.

Pinout & Package

Package: SOT23 - surface-mount plastic package (2.4 mm × 1.3 mm × 0.915 mm), RoHS-compliant, matte tin-plated leadframe, moisture sensitivity level 1.

Pin/Terminal	Circuit Role	Design Meaning
1 (Source)	Current return path for channel conduction	Connected to power ground or low-side reference; forms common node with body diode cathode.
2 (Gate)	Control terminal for channel modulation	High-impedance input requiring low-charge drive; sensitive to ESD and ringing due to R_g = 2.2 Ω.
3 (Drain)	Power output terminal of the MOSFET channel	Connects to switched node (e.g., buck converter inductor); carries full load current and switching transients.

Key Features

Feature	Design Value
Low R_DS(ON) at 4.5V	45 mΩ - Enables efficient operation directly from 5V logic rails without gate boosting.
Low Q_gd/Q_g ratio	1.5/10.1 ≈ 0.15 - Reduces Miller-induced switching delay and improves controllability in high-dV/dt environments.
Fast t_R/t_F	18.3 ns / 13.4 ns - Supports >500 kHz switching frequencies while maintaining low dynamic losses.
Body diode recovery	V_SD = 0.7 V @ 1 A - Low forward drop reduces freewheeling loss in non-synchronous topologies.
Thermal derating	150°C max T_J - Allows operation in sealed enclosures or high ambient temperature battery packs.

Applications

Battery Charging Circuits

USB Power Delivery Adaptors

Use Scenario: High-efficiency synchronous rectification in single-cell Li-ion charger ICs with integrated FET drivers.

IC Role / Device Role: Low-side switch controlling charge current flow into battery pack with minimal conduction loss.

Use Value: 31 mΩ R_DS(ON) limits I²R heating to <160 mW at 5.4A, extending thermal margin in compact USB-C chargers.

Use Scenario: Secondary-side synchronous rectifier in 20W–30W USB PD flyback or buck-boost adaptors.

IC Role / Device Role: Replaces Schottky diode to reduce forward voltage drop and improve efficiency above 75% load.

Use Value: 0.7 V body diode V_SD and 45 mΩ R_DS(ON) @ 4.5V enable >92% efficiency at full load vs. ~89% with discrete diode.

Portable DC-DC Converters

Load Switches in Wearables

Use Scenario: High-frequency buck regulator in Bluetooth earbuds or smartwatches requiring ultra-low quiescent current and small footprint.

IC Role / Device Role: Power switch in integrated PMIC or discrete converter stage operating at 1–2 MHz.

Use Value: 481 pF C_iss and 10.1 nC Q_g allow clean gate drive with minimal overshoot using 3.3V MCU GPIO and small RC snubber.

Use Scenario: Controlled power rail enable for sensor modules or display backlight in fitness trackers.

IC Role / Device Role: Low-R_DS(ON) load switch with fast turn-on/off for power sequencing and inrush limiting.

Use Value: 1.0–2.0 V V_GS(TH) ensures full enhancement from 1.8V/3.3V system rails; 13.4 ns t_F enables sub-10 μs power gating.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
DMN3025L-7	Lower R_DS(ON) (25 mΩ @ 10V), higher Q_g (12.5 nC), same SOT23 package	Better conduction loss but slower switching; less suitable for >1 MHz designs	Prefer when thermal budget dominates over switching frequency constraints.
AO3400	Higher R_DS(ON) (42 mΩ @ 10V), lower Q_g (8.2 nC), identical pinout	Reduced gate drive demand but higher I²R loss at high current; wider availability	Choose when cost sensitivity outweighs 15–20% conduction loss penalty in low-duty-cycle loads.

Compared with DMN3025L-7 and AO3400, the DMN3032L-7 delivers optimal trade-off between R_DS(ON) and Q_g for 500 kHz–1 MHz DC-DC converters where both conduction and switching losses must be minimized within SOT23 area limits.

Availability

DMN3032L-7 is available at Aetrix Electronics and suitable for battery charging, portable DC-DC converters, and USB power delivery adaptors requiring stable component supply, consistent parametric performance across production lots, and long-term lifecycle support.

Supply support for DMN3032L-7 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

Diodes Incorporated is a global semiconductor company specializing in discrete, analog, and mixed-signal solutions, with design, manufacturing, and distribution operations across Asia, the Americas, and Europe.

The DMN3032L belongs to Diodes' high-performance power MOSFET product line, engineered specifically for space-constrained, high-efficiency power conversion in consumer and portable electronics.

FAQ

What is the maximum continuous drain current for DMN3032L-7 at +70°C ambient?

The DMN3032L-7 supports 4.3 A continuous drain current at TA = +70°C with device mounted on FR-4 PCB using minimum recommended pad layout (RθJA = 150 °C/W). This derating reflects thermal limitations under typical handheld device operating conditions, not package current-carrying capacity alone.

Can DMN3032L-7 be driven directly by a 3.3V microcontroller GPIO?

Yes - its gate threshold voltage range (1.0–2.0 V) and guaranteed R_DS(ON) of 45 mΩ at V_GS = 4.5V ensure full enhancement with 3.3V logic. However, gate drive strength must supply ≥10 nC total charge within required switching time; weak GPIOs may need buffering for >500 kHz operation.

Is DMN3032L-7 qualified for automotive applications?

No - DMN3032L-7 is not AEC-Q101 qualified. Diodes offers automotive-grade variants (e.g., DMN3032LQ-7) with PPAP documentation, IATF 16949 manufacturing, and extended temperature validation. Standard DMN3032L-7 is intended for commercial/industrial portable electronics only.

What is the safe operating area (SOA) limitation at DC operation?

At DC, the SOA is limited by R_DS(ON) and maximum junction temperature (150°C). With R_DS(ON) = 31 mΩ and T_J(max) = 150°C, the absolute DC current limit is ~4.3 A at TA = +25°C using the 93 °C/W thermal resistance condition - matching the datasheet's 1.3 W power dissipation rating.

DMN3032L-7 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:: Active

FET Type:: N-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 30 V

Current - Continuous Drain (Id) @ 25°C:: 5.4A (Ta)

Drive Voltage (Max Rds On, Min Rds On):: 4.5V, 10V

Rds On (Max) @ Id, Vgs:: 31mOhm @ 5.8A, 10V

Vgs(th) (Max) @ Id:: 2V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 10.1 nC @ 10 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 481 pF @ 15 V

FET Feature:: -

Power Dissipation (Max):: 800mW

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-23-3

DMN3032L-7 FAQ

1.How can I place an order for DMN3032L-7 through Aetrix?

Please submit a Request for Quotation (RFQ) for DMN3032L-7 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 DMN3032L-7 reliable?

The price and inventory of DMN3032L-7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMN3032L-7 is usually 5 days.

3.What payment methods are accepted for DMN3032L-7?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMN3032L-7 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for DMN3032L-7?

DMN3032L-7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your DMN3032L-7 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 DMN3032L-7?

For technical support, including DMN3032L-7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMN3032L-7 requirements.

6.How does Aetrix verify that DMN3032L-7 is sourced from the original manufacturer or authorized distributors?

All DMN3032L-7 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 DMN3032L-7 meets industry standards.

7.What is the process for return or replacement of DMN3032L-7?

All DMN3032L-7 units undergo pre-shipment inspection (PSI). If there is an issue with DMN3032L-7, 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 DMN3032L-7 part is unused and in its original packaging.

Return procedure for DMN3032L-7:

1.Submit a request within 90 days.

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

Tech Hub

2026-08-21 What Is an LED Driver? Types, Circuits, Dimming, and Selection

An engineering guide to LED driver operation, constant-current and constant-voltage outputs, linear and switching topologies, dimming, IC selection, calculations, replacement compatibility, and fault c…

2026-08-18 Operational Amplifier (Op Amp): Basics, Configurations, Feedback and Applications

Operational amplifier guide covering op amp basics, feedback, ideal vs real op amps, common configurations, buffer circuits, offset, bias current, gain-bandwidth, slew rate, rail-to-rail limits and sel…

2026-08-14 Jumper Cables: How to Use, Connect and Choose Them Safely

Jumper cables guide covering safe connection order, red and black clamp placement, final ground connection, cable gauge, length, clamp quality, copper vs CCA cables, jump starter comparison and battery…

2026-08-11 LDO Regulator: Dropout Voltage, Noise, PSRR and Power Dissipation

LDO regulator guide covering low dropout voltage, power dissipation, thermal design, PSRR, output noise, capacitor stability, adjustable LDO circuits, LDO vs buck converter and datasheet selection chec…

2026-08-06 Conditional Access Module: CAM, CI/CI+ and DVB Security

Conditional Access Module guide covering CAM meaning, CI/CI+ interface, smart card authorization, DVB security workflow, TV and set-top box compatibility, internal electronics, ESD protection, connecto…

2026-08-03 Electronic Component Obsolescence: EOL Risks, Replacement Options and Last-Time Buy Strategy

Guide to electronic component obsolescence covering EOL risk, PCN/PDN notices, last-time buy planning, replacement options, form-fit-function validation, counterfeit risk and BOM lifecycle management.

2026-07-29 18650 Battery: Voltage, Capacity, Charging and Pack Design

18650 battery guide covering lithium-ion cell basics, 3.6V/3.7V voltage, 4.2V charging, mAh and Wh capacity, protected cells, chargers, BMS, series-parallel packs, holders, welding and sourcing checks.…

2026-07-27 Hall Effect Sensor: Working Principle, Types, Circuits and Applications

Hall effect sensor guide covering working principle, linear and digital sensors, Arduino circuits, current sensing, speed detection, automotive applications, A3144 examples, signal filtering and datash…

2026-07-20 Product Change Notification (PCN) in Electronic Components: Meaning and Supply Chain Response

Product Change Notification guide for electronic components, covering PCN meaning, PCN vs PDN/EOL, common change types, risk levels, form-fit-function review, engineering validation, BOM control, LTB/L…

2026-07-19 Blend Door Actuator: Symptoms, Location, Reset and Replacement Guide

A practical guide to blend door actuators, covering HVAC function, symptoms, location, AC and heater issues, reset and calibration, replacement cost, electrical diagnosis, compatibility checks, and rep…