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 DMP3125L-13

Name: DMP3125L-13
Brand: Diodes Incorporated
SKU: DMP3125L-13
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Compare

Part No.:: DMP3125L-13

Manufacturer:: Diodes Incorporated

Category:: FETs, MOSFETs

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

Datasheet:: DMP3125L-13.pdf

Description:: MOSFET P-CH 30V 2.5A SOT23 T&R

Quantity:: RFQ Add To RFQ list

Payment:

Shipping:

Inventory:14,033

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

Product details

Overview

DMP3125L-13 from Diodes Incorporated is a 30V P-channel enhancement-mode MOSFET in SOT23 package, featuring 95mΩ R_DS(ON) at V_GS = −10V and −2.5A continuous drain current at T_A = +25°C. It serves as a low-loss load switch or boost switch in compact DC-DC power management circuits for portable electronics.

For engineers reviewing the DMP3125L-13 datasheet, DMP3125L-13 pinout, DMP3125L-13 application, or DMP3125L-13 equivalent, key selection criteria include verified R_DS(ON) at −4.5V (145mΩ), gate charge (3.1nC), thermal resistance (191°C/W), body diode forward voltage (−0.85V), and SOT23 terminal layout compatibility with space-constrained PCB designs.

Technical Context

This MOSFET employs a trench-gate silicon process optimized for low on-resistance while maintaining fast switching speed (t_F = 13.1ns) and low input capacitance (C_iss = 254pF). Its negative threshold voltage (V_GS(TH) = −1.0 to −2.1V) enables direct logic-level drive from 3.3V or 5V controllers without level shifting.

The device integrates a monolithic body diode with reverse recovery time (t_RR = 9.6ns) and charge (Q_RR = 2.4nC), supporting synchronous rectification and bidirectional current handling in buck-boost topologies where controlled turn-off of the intrinsic diode is required.

Key Specifications

Parameter	Value and Actual Design Meaning
V_DSS	−30V - maximum blocking voltage for 12V/24V rail protection and high-side switching
R_DS(ON)	95mΩ @ V_GS = −10V - enables ≤238mW conduction loss at −2.5A, critical for thermal budget in sealed enclosures
I_D (continuous)	−2.5A @ T_A = +25°C - supports USB-C PD load switching and battery backup path control
Q_g	3.1nC - allows efficient gate driving with <1µs switching transitions using standard 5V GPIO
R_θJA	191°C/W - defines minimum copper area (2oz FR-4, recommended pad layout) needed to maintain T_J < 125°C at full load
V_SD	−0.85V @ I_S = −2.7A - limits forward drop in reverse-current protection and OR-ing applications

Pinout & Package

Package: SOT23 - surface-mount plastic package with matte tin–annealed copper leadframe, moisture sensitivity level 1, UL 94V-0 rated, weight ≈ 0.009g.

Pin/Terminal	Circuit Role	Design Meaning
1 (Source)	Current return path for P-channel operation	Connected to higher potential rail; ties to V_IN in high-side load switch configuration
2 (Gate)	Control electrode for channel modulation	Driven low (≤ −4.5V) to fully enhance; requires no pull-down resistor when driven by active-low logic
3 (Drain)	Current output terminal	Connects to load; exposed drain pad (pin 3) provides primary thermal path to PCB copper in SOT23 layout

Key Features

Feature	Design Value
Low R_DS(ON) at −4.5V	145mΩ - enables use with 3.3V microcontrollers without gate drivers in always-on power rails
Fast switching with low Q_gd	1.4nC - reduces Miller plateau time, minimizing shoot-through risk in half-bridge configurations
Low leakage performance	I_DSS ≤ −1µA @ V_DS = −30V - preserves battery life in standby modes of IoT sensors and wearables
Green RoHS-compliant construction	Halogen- and antimony-free molding compound (<900ppm Br+Cl, <1000ppm Sb) - meets IPC-1752A Tier 1 reporting requirements

Applications

Battery Protection Circuit

USB Power Delivery Switch

Use Scenario: Reverse-current blocking and overvoltage clamping in single-cell Li-ion battery packs.

IC Role / Device Role / Timing Role: P-channel MOSFET used as back-to-back switch to prevent battery discharge into faulty downstream circuitry.

Use Value: 95mΩ R_DS(ON) limits voltage drop to <240mV at 2.5A, preserving usable capacity; body diode withstands 1.5A continuous reverse current.

Use Scenario: V_CONN and V_BUS path switching in USB-C receptacles supporting alternate modes.

IC Role / Device Role / Timing Role: Load switch controlling 5V/20V power routing between host and peripheral under firmware control.

Use Value: 3.1nC gate charge ensures sub-microsecond turn-on, meeting USB PD 3.0 timing requirements for dynamic power role swaps.

Industrial Sensor Node Power Rail

White Goods Control Board

Use Scenario: Always-on 3.3V supply regulation for BLE/Wi-Fi modules in battery-powered environmental monitors.

IC Role / Device Role / Timing Role: High-side switch enabling firmware-controlled power gating of RF subsystems during sleep cycles.

Use Value: −1µA I_DSS at −30V minimizes quiescent current drain, extending 10-year battery life targets in smart metering deployments.

Use Scenario: Overcurrent-protected 12V auxiliary rail for display backlight and motor driver logic in washing machines.

IC Role / Device Role / Timing Role: Load switch with integrated thermal foldback, activated by MCU GPIO during door lock sequence.

Use Value: 191°C/W R_θJA allows direct thermal coupling to chassis ground plane, eliminating need for external heatsink in cost-sensitive white goods BOMs.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
DMG2305U-7	R_DS(ON) = 48mΩ @ −4.5V (lower), Q_g = 5.4nC (higher), SOT23-3 same footprint	Better efficiency at light loads but slower switching; higher gate drive power required	Select when lowest conduction loss dominates over switching loss in <100kHz DC-DC stages
SI2301DDS-T1-GE3	R_DS(ON) = 115mΩ @ −4.5V (higher), Q_g = 2.3nC (lower), same SOT23-3 pinout	Lower gate charge improves rise/fall time but higher R_DS(ON) increases steady-state heating	Select when fast transient response is prioritized over thermal margin in pulsed-load applications

Compared with DMG2305U-7 and SI2301DDS-T1-GE3, the DMP3125L-13 delivers balanced trade-offs: mid-range R_DS(ON) and gate charge enable optimal efficiency across 10kHz–1MHz switching frequencies while maintaining SOT23 thermal and layout compatibility.

Availability

DMP3125L-13 is available at Aetrix Electronics and suitable for battery protection circuits, USB power delivery switches, industrial sensor node power rails, and white goods control board designs requiring stable component supply and long-term manufacturing continuity.

Supply support for DMP3125L-13 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, headquartered in Plano, Texas, with design, manufacturing, and sales operations across Asia, Europe, and the Americas.

The DMP3125L belongs to Diodes' "PowerMOS" portfolio, engineered specifically for high-efficiency, space-constrained power management in portable and industrial equipment where low R_DS(ON), fast switching, and green compliance are mandatory.

FAQ

What is the maximum safe operating junction temperature for DMP3125L-13?

The absolute maximum junction temperature is +150°C per the datasheet. Derating begins at +25°C ambient, with continuous drain current reduced to −2.0A at +70°C ambient. Thermal design must ensure R_θJA × P_D + T_A ≤ 150°C, using the 191°C/W value for standard FR-4 layouts.

Can DMP3125L-13 be used in a high-side switch configuration with 5V logic control?

Yes - its V_GS(TH) range of −1.0V to −2.1V ensures full enhancement with 5V logic pulled low to ground, delivering ≤95mΩ R_DS(ON). No level shifter is needed, but a series gate resistor (10–100Ω) is recommended to dampen ringing during fast transitions.

Does DMP3125L-13 have avalanche rating or SOA curve data?

No avalanche rating is specified. However, the Safe Operating Area (SOA) graph (Figure 12) confirms single-pulse capability up to −10A at −15V for 10µs, and −2.5A DC operation within thermal limits. Designers must avoid repetitive unclamped inductive switching without external snubbers.

Is the SOT23 package of DMP3125L-13 compatible with reflow soldering per J-STD-020?

Yes - it is rated Moisture Sensitivity Level 1, meaning it may be stored indefinitely at ≤30°C/85% RH and subjected to standard Pb-free reflow profiles (peak 260°C, 20–40s above 217°C) without baking. The matte tin finish ensures reliable wetting on OSP- and ENIG-finished PCBs.

DMP3125L-13 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:: P-Channel

Technology:: MOSFET (Metal Oxide)

Drain to Source Voltage (Vdss):: 30 V

Current - Continuous Drain (Id) @ 25°C:: 2.5A (Ta)

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

Rds On (Max) @ Id, Vgs:: 95mOhm @ 3.8A, 10V

Vgs(th) (Max) @ Id:: 2.1V @ 250µA

Gate Charge (Qg) (Max) @ Vgs:: 3.1 nC @ 4.5 V

Vgs (Max):: ±20V

Input Capacitance (Ciss) (Max) @ Vds:: 254 pF @ 25 V

FET Feature:: -

Power Dissipation (Max):: 650mW (Ta)

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SOT-23-3

DMP3125L-13 FAQ

1.How can I place an order for DMP3125L-13 through Aetrix?

Please submit a Request for Quotation (RFQ) for DMP3125L-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 DMP3125L-13 reliable?

The price and inventory of DMP3125L-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMP3125L-13 is usually 5 days.

3.What payment methods are accepted for DMP3125L-13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMP3125L-13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for DMP3125L-13?

DMP3125L-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your DMP3125L-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 DMP3125L-13?

For technical support, including DMP3125L-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMP3125L-13 requirements.

6.How does Aetrix verify that DMP3125L-13 is sourced from the original manufacturer or authorized distributors?

All DMP3125L-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 DMP3125L-13 meets industry standards.

7.What is the process for return or replacement of DMP3125L-13?

All DMP3125L-13 units undergo pre-shipment inspection (PSI). If there is an issue with DMP3125L-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 DMP3125L-13 part is unused and in its original packaging.

Return procedure for DMP3125L-13:

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…