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Diodes Incorporated DMPH4023SK3-13
- Part No.:
- DMPH4023SK3-13
- Manufacturer:
- Diodes Incorporated
- Category:
- FETs, MOSFETs
- Package:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Datasheet:
-
DMPH4023SK3-13.pdf
- Description:
- MOSFET P-CH 40V 50A TO252 T&R
- Quantity:
- Payment:
- Shipping:
Inventory:1,562
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Product details
Overview
DMPH4023SK3 from Diodes Incorporated is a P-channel enhancement-mode MOSFET rated for -40V VDSS, 26 mΩ RDS(ON) @ VGS = -10V, and -50A continuous drain current at TC = +25°C, operating up to +175°C junction temperature. It serves as a high-current, high-temperature power switch in DC-DC converters, motor control, backlighting, and printer equipment.
For engineers reviewing the DMPH4023SK3 datasheet, DMPH4023SK3 pinout, DMPH4023SK3 application, or DMPH4023SK3 equivalent, this page delivers verified electrical specs, TO252 package layout, thermal performance data, AEC-Q101 qualification status, and real-world switching parameters including Qg = 18.7 nC and tF = 23.4 ns.
Technical Context
This MOSFET uses planar trench-gate technology optimized for low RDS(ON) while preserving fast switching speed and robust UIS capability. Its gate threshold voltage (VGS(TH) = -1 to -3 V) ensures reliable turn-on with standard logic-level gate drivers in high-side configurations.
Thermal design is supported by RθJC = 1.5 °C/W and operation up to +175°C, validated under AEC-Q101 stress testing. The integrated body diode exhibits VSD = -0.75 to -1.2 V at -1 A, enabling synchronous rectification and freewheeling in buck and H-bridge topologies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDSS | -40 V - Maximum blocking voltage in off-state; supports 36V nominal bus systems with margin. |
| RDS(ON) | 26 mΩ max @ VGS = -10V - Enables <1.3 W conduction loss at -50A, critical for thermal management. |
| ID (continuous) | -50 A @ TC = +25°C - High-current capability suitable for industrial motor drives and high-power LED drivers. |
| Qg | 18.7 nC - Low total gate charge reduces driver power demand and enables efficient 100–500 kHz switching. |
| tF | 23.4 ns - Fast fall time minimizes switching losses during turn-off transitions in hard-switched topologies. |
| TJ max | +175°C - Rated for under-hood automotive, industrial furnace controls, and high-ambient environments. |
| EAS | 85 mJ - Confirmed unclamped inductive switching energy rating ensures ruggedness in relay/snubberless designs. |
Pinout & Package
Package: TO252 (DPAK), surface-mount, thermally enhanced plastic case with exposed drain pad for heatsinking. Moisture sensitivity level 1 per J-STD-020.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| D (Drain) | Main current path output terminal | Connected to exposed copper pad on bottom; primary thermal path to PCB heatsink. |
| S (Source) | Reference node for gate drive and current return | Common connection point for gate driver reference and load return; defines VGS control reference. |
| G (Gate) | Control input for channel conduction | High-impedance input requiring <18.7 nC charge for full enhancement; sensitive to ESD (±20 V rating). |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including HTOL, TC, UHAST, and mechanical shock per JEDEC standards. |
| +175°C junction rating | Enables operation in engine bay, industrial heating, and enclosed power modules without derating. |
| 100% UIS tested | Each unit passes unclamped inductive switching test at IAS = -40 A, ensuring field robustness in inductive loads. |
| Green, halogen-free | Meets RoHS 2 and Diodes' "Green" definition: Br+Cl <1500 ppm, Sb <1000 ppm; compatible with lead-free reflow. |
| Low Coss (288 pF) | Reduces capacitive switching losses and improves efficiency in high-frequency DC-DC converters. |
Applications
| Motor Control | DC-DC Converters |
|---|---|
Use Scenario: Bidirectional H-bridge driver for 24–48V brushed DC motors in industrial automation and HVAC actuators. IC Role / Device Role / Timing Role: High-side P-channel switch controlling motor phase voltage with fast turn-off (tF = 23.4 ns) to minimize shoot-through risk. Use Value: RDS(ON) = 26 mΩ limits I²R loss to ≤0.65 W at 50A, reducing heatsink size and enabling compact motor driver PCBs. |
Use Scenario: Synchronous rectifier in non-isolated buck converter for telecom base station power supplies. IC Role / Device Role / Timing Role: Low-loss freewheeling path replacing Schottky diode; body diode VSD = -0.75 V enables high efficiency at light loads. Use Value: Qg = 18.7 nC allows gate drive with low-power controllers; EAS = 85 mJ prevents failure during transient overloads. |
| Backlighting | Printer Equipment |
Use Scenario: High-current LED string switch in commercial signage and LCD panel edge-lit backlights. IC Role / Device Role / Timing Role: Constant-current sink switch modulated at 1–20 kHz PWM frequency; operates at TJ up to +150°C during sustained brightness. Use Value: +175°C rating ensures long-term reliability under sealed, thermally constrained enclosures; low RDS(ON) maintains uniform LED current across temperature. |
Use Scenario: Fuser heater control and paper feed motor driver in laser printers and multifunction devices. IC Role / Device Role / Timing Role: High-reliability power switch handling repetitive surge currents during fuser warm-up cycles. Use Value: 100% UIS-tested ruggedness prevents failure during repeated inductive turn-off events; TO252 package provides stable thermal interface to metal chassis. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar P-channel MOSFET applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| DMTH4007LPS-13 | RDS(ON) = 7.5 mΩ @ -10V (lower), but rated only to +150°C; no AEC-Q101 qualification. | Better for high-efficiency, lower-temperature consumer power supplies where automotive qualification is unnecessary. | Select when lower conduction loss is prioritized over extreme temperature or automotive compliance. |
| IPD95R1K2P7ATMA1 | 950V SiC MOSFET, RDS(ON) = 1.2 Ω; higher voltage, higher RDS(ON), different technology and drive requirements. | Targeted at high-voltage industrial inverters, not 40V power switches; incompatible gate drive and layout. | Not a functional substitute; only relevant if system voltage exceeds 40V and SiC benefits are required. |
Compared with DMTH4007LPS-13, DMPH4023SK3 trades 3.5× higher RDS(ON) for +25°C higher temperature rating and AEC-Q101 validation-critical for automotive and harsh-environment use. IPD95R1K2P7ATMA1 belongs to a different voltage class and technology domain, making it non-interchangeable.
Availability
DMPH4023SK3 is available at Aetrix Electronics and suitable for motor control, DC-DC converters, and printer equipment requiring stable component supply, extended temperature operation, and AEC-Q101-compliant sourcing.
Supply support for DMPH4023SK3 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 distribution operations across Asia, Europe, and the Americas.
This device belongs to Diodes' PowerMOS™ portfolio, engineered specifically for high-reliability, high-temperature power switching in automotive, industrial, and computing applications where thermal resilience and ruggedness are essential.
FAQ
What is the maximum continuous drain current at 100°C case temperature?
The DMPH4023SK3 supports -35 A continuous drain current at TC = +100°C, as specified in the Absolute Maximum Ratings table. This derating reflects thermal limitations of the TO252 package under realistic board-level cooling conditions with 1-inch² copper area.
Is the DMPH4023SK3 suitable for synchronous rectification in buck converters?
Yes-the device's low RDS(ON) (26 mΩ), fast switching (tF = 23.4 ns), and low Qgd/Qg ratio enable efficient synchronous rectification. Its body diode VSD = -0.75 V at -1 A and reverse recovery charge QRR = 9.2 nC further support clean commutation in 100–500 kHz buck stages.
Does the DMPH4023SK3 have an automotive-qualified variant?
Yes-the DMPH4023SK3Q is the AEC-Q101-qualified version, documented separately in datasheet DS38134Q. It shares identical electrical and thermal specifications but undergoes additional automotive-specific qualification testing and traceability controls.
What is the recommended PCB pad layout for optimal thermal performance?
Diodes recommends a minimum 1-inch² copper area connected to the exposed drain pad using multiple thermal vias to inner/ground planes. The suggested TO252 pad layout is published on diodes.com/package-outlines.html and specifies dimensions matching the DPAK outline (E = 6.58 mm, D = 6.10 mm, L = 1.59 mm).
DMPH4023SK3-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- TO-252-3, DPAK (2 Leads + Tab), SC-63
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- P-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 40 V
- Current - Continuous Drain (Id) @ 25°C:
- 50A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 10V
- Rds On (Max) @ Id, Vgs:
- 26mOhm @ 10A, 10V
- Vgs(th) (Max) @ Id:
- 3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs:
- 18.7 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 1091 pF @ 20 V
- FET Feature:
- -
- Power Dissipation (Max):
- 2.1W (Ta)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TO-252 (DPAK)
DMPH4023SK3-13 FAQ
1.How can I place an order for DMPH4023SK3-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for DMPH4023SK3-13 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 DMPH4023SK3-13 reliable?
The price and inventory of DMPH4023SK3-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for DMPH4023SK3-13 is usually 5 days.
3.What payment methods are accepted for DMPH4023SK3-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for DMPH4023SK3-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for DMPH4023SK3-13?
DMPH4023SK3-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your DMPH4023SK3-13 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 DMPH4023SK3-13?
For technical support, including DMPH4023SK3-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your DMPH4023SK3-13 requirements.
6.How does Aetrix verify that DMPH4023SK3-13 is sourced from the original manufacturer or authorized distributors?
All DMPH4023SK3-13 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 DMPH4023SK3-13 meets industry standards.
7.What is the process for return or replacement of DMPH4023SK3-13?
All DMPH4023SK3-13 units undergo pre-shipment inspection (PSI). If there is an issue with DMPH4023SK3-13, 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 DMPH4023SK3-13 part is unused and in its original packaging.
Return procedure for DMPH4023SK3-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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