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

Diodes Incorporated DMP3021SSS-13

Name: DMP3021SSS-13
Brand: Diodes Incorporated
SKU: DMP3021SSS-13
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: DMP3021SSS-13

Manufacturer:: Diodes Incorporated

Category:: FETs, MOSFETs

Package:: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: DMP3021SSS-13.pdf

Description:: MOSFET BVDSS: 25V~30V SO-8 T&R 2

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Product details

Overview

DMP3021SSS from Diodes Incorporated is a 30V P-channel enhancement-mode MOSFET in SO-8 package, featuring 15 mΩ R_DS(ON) at V_GS = −10 V, −39 A continuous drain current at T_C = +25°C, and ESD-protected gate. It serves as a high-efficiency synchronous rectifier or load switch in DC-DC converters and backlighting circuits.

For engineers reviewing the DMP3021SSS datasheet, DMP3021SSS pinout, DMP3021SSS application, or DMP3021SSS equivalent, key selection criteria include its low on-resistance at −5 V gate drive (25 mΩ), thermally efficient SO-8 package with exposed drain pad, and validated performance in power management functions requiring fast switching and minimal conduction loss.

Technical Context

This MOSFET employs a trench-gate process to achieve low R_DS(ON) while maintaining robust avalanche capability (13 A I_AS, 84 mJ E_AS) and controlled dynamic parameters including 34 nC total gate charge at V_GS = −10 V and 225 pF Crss. Its gate threshold voltage range of −1.0 V to −2.5 V enables reliable turn-on with standard logic-level negative gate drivers.

The device integrates an intrinsic body diode with −0.7 V to −1.2 V forward voltage at −1 A, and exhibits thermal resistance R_θJC = 3.6 °C/W to the exposed drain pad-critical for high-current operation in compact board layouts where heatsinking is constrained.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	−30 V - Withstands up to 30 V reverse drain-source voltage without breakdown, suitable for 24 V rail applications with margin.
R_DS(ON) @ V_GS = −10 V	15 mΩ max - Delivers ≤1.2 W conduction loss at −39 A, enabling high-efficiency power stage design.
R_DS(ON) @ V_GS = −5 V	25 mΩ max - Supports logic-level gate drive in space-constrained systems where −10 V bias is unavailable.
I_D Continuous @ T_C = +25°C	−39 A - Sustains high pulsed loads when mounted on thermally enhanced PCBs with copper pour under drain pad.
Q_g @ V_GS = −10 V	34 nC - Enables predictable gate drive power calculation and optimized switching frequency up to ~1 MHz.
R_θJC	3.6 °C/W - Allows direct thermal path to heatsink or ground plane, critical for maintaining T_J < 150°C under sustained load.
t_F	23.7 ns - Ensures fast turn-off to minimize shoot-through risk in half-bridge configurations.

Pinout & Package

Package: SO-8 with exposed drain pad (pins 1–4 source, pins 5–8 drain, pin 3 gate). Molded plastic case meets UL 94V-0; terminals are matte tin annealed over copper lead-frame.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3, 4	Source	Common return path for channel current; electrically tied to internal substrate; requires low-impedance PCB connection.
5, 6, 7, 8	Drain	Main power output node; connected to exposed metal pad for thermal dissipation and current handling.
3	Gate	Control input; ESD-protected; requires <10 Ω series resistor to suppress ringing during fast switching.

Key Features

Feature	Design Value
Low R_DS(ON) at −5 V	25 mΩ max enables use with 5 V microcontroller gate drivers without level-shifting circuitry.
Exposed drain pad	Reduces thermal resistance by >70% vs. standard SO-8, supporting 2.5 W power dissipation on 2 oz copper board.
ESD-protected gate	HBM rating ≥2 kV per JESD22-A114 ensures robustness during PCB assembly and system integration.
Halogen- and antimony-free	Meets IEC 61249-2-21 "Green" definition (<900 ppm Br/Cl, <1000 ppm Sb), compliant with automotive and industrial environmental mandates.

Applications

LED Backlighting

DC-DC Synchronous Rectifier

Use Scenario: Driving parallel LED strings in LCD displays using PWM dimming at 10–20 kHz.

IC Role / Device Role / Timing Role: High-side P-channel switch controlling current flow into LED cathodes.

Use Value: 15 mΩ R_DS(ON) minimizes power loss and thermal rise in thin-profile display modules.

Use Scenario: Secondary-side rectification in isolated 12 V → 3.3 V flyback converters for industrial IoT gateways.

IC Role / Device Role / Timing Role: Synchronous rectifier replacing Schottky diode to reduce conduction loss at 5–10 A load.

Use Value: 25 mΩ R_DS(ON) at −5 V gate drive allows direct control from controller's logic-level output, eliminating auxiliary bias winding.

Hot-Swap Controller

Load Switch for FPGA Core Rail

Use Scenario: Inrush current limiting during hot-plug insertion of PCIe add-in cards into server backplanes.

IC Role / Device Role / Timing Role: P-channel MOSFET configured as active OR-ing device with external current-sense feedback.

Use Value: −30 V V_DSS and 128 A pulsed drain rating support transient surge handling without derating.

Use Scenario: Sequenced power-up of 1.2 V FPGA core supply with soft-start and fault protection.

IC Role / Device Role / Timing Role: Load switch with integrated gate driver interface and thermal shutdown.

Use Value: Gate threshold range (−1.0 to −2.5 V) ensures clean turn-on at precise 1.8 V enable signal, avoiding partial conduction.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
DMG3415L-7	R_DS(ON) = 22 mΩ @ −4.5 V; SO-8 package; lower Q_g (12 nC); no exposed drain pad.	Better suited for low-power logic-level switching where thermal density is not limiting.	Select when gate drive voltage is limited to −4.5 V and board area is constrained but thermal load is <1 W.
SI2305DS-T1-GE3	R_DS(ON) = 48 mΩ @ −4.5 V; SOT-23 package; higher R_θJA (200 °C/W); rated for −20 V only.	Targeted at ultra-compact, low-current (<2 A) portable applications with minimal thermal budget.	Choose only for space-critical sub-1 A loads where SO-8 footprint is unacceptable and voltage stress remains below 16 V.

Compared with DMG3415L-7 and SI2305DS-T1-GE3, DMP3021SSS delivers superior thermal performance via its exposed drain pad and supports higher voltage (−30 V) and current (−39 A) operation-making it the preferred choice for industrial DC-DC and backlighting where efficiency and reliability under sustained load are critical.

Availability

DMP3021SSS is available at Aetrix Electronics and suitable for LED backlighting, DC-DC synchronous rectification, and hot-swap controller designs requiring stable component supply, consistent parametric performance across production lots, and long-term lifecycle availability.

Supply support for DMP3021SSS 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 manufacturer of discrete semiconductors and analog ICs, specializing in high-reliability power management, signal integrity, and protection solutions for industrial, computing, and consumer markets.

DMP3021SSS belongs to Diodes' advanced trench-MOSFET product line, engineered specifically for high-density power conversion systems where low R_DS(ON), fast switching, and thermal robustness are mandatory.

FAQ

What is the maximum safe operating junction temperature for DMP3021SSS?

The absolute maximum junction temperature is +150°C, and the device is characterized across −55°C to +150°C. Thermal design must ensure T_J stays within this limit under worst-case ambient and power dissipation conditions-verified using R_θJC = 3.6 °C/W and measured PCB layout thermal resistance.

Can DMP3021SSS be used in automotive applications?

DMP3021SSS is not AEC-Q101 qualified. While it meets RoHS and halogen-free requirements, Diodes states that automotive-grade versions require specific change control, PPAP capability, and IATF 16949 manufacturing-so this part is intended for industrial, computing, and consumer applications unless explicitly requalified.

How does the body diode performance affect synchronous rectifier operation?

The body diode has V_SD = −0.7 to −1.2 V at −1 A and t_RR = 14.9 ns, enabling efficient freewheeling with low reverse recovery loss. Its Q_RR = 15.3 nC is low enough to avoid significant cross-conduction in typical 200–500 kHz flyback topologies when properly timed.

Is the SO-8 footprint compatible with standard IPC-7351 guidelines?

Yes-the SO-8 outline matches IPC-7351B SOIC-8 standard (JEDEC MS-012), with recommended pad dimensions provided in Diodes' package outline document: 0.802 mm × 1.27 mm for pins, 3.85 mm × 4.612 mm for exposed drain pad, and 1.27 mm pitch.

DMP3021SSS-13 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: 8-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Active

FET Type:: P-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 30 V

Current - Continuous Drain (Id) @ 25°C:: 10.4A (Ta), 39A (Tc)

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

Rds On (Max) @ Id, Vgs:: 15mOhm @ 8A, 10V

Vgs(th) (Max) @ Id:: 2.5V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 34 nC @ 10 V

Vgs (Max):: ±25V

Input Capacitance (Ciss) (Max) @ Vds:: 1799 pF @ 15 V

FET Feature:: -

Power Dissipation (Max):: 1W (Ta)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 8-SO

DMP3021SSS-13 FAQ

1.How can I place an order for DMP3021SSS-13 through Aetrix?

Please submit a Request for Quotation (RFQ) for DMP3021SSS-13 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 DMP3021SSS-13 reliable?

The price and inventory of DMP3021SSS-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMP3021SSS-13 is usually 5 days.

3.What payment methods are accepted for DMP3021SSS-13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMP3021SSS-13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for DMP3021SSS-13?

DMP3021SSS-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your DMP3021SSS-13 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 DMP3021SSS-13?

For technical support, including DMP3021SSS-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMP3021SSS-13 requirements.

6.How does Aetrix verify that DMP3021SSS-13 is sourced from the original manufacturer or authorized distributors?

All DMP3021SSS-13 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 DMP3021SSS-13 meets industry standards.

7.What is the process for return or replacement of DMP3021SSS-13?

All DMP3021SSS-13 units undergo pre-shipment inspection (PSI). If there is an issue with DMP3021SSS-13, 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 DMP3021SSS-13 part is unused and in its original packaging.

Return procedure for DMP3021SSS-13:

1.Submit a request within 90 days.

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

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