Nexperia USA Inc. PSMN1R4-40YLD/2X
- Part No.:
- PSMN1R4-40YLD/2X
- Manufacturer:
- Nexperia USA Inc.
- Category:
- FETs, MOSFETs
- Package:
- SC-100, SOT-669
- Datasheet:
-
PSMN1R4-40YLD/2X.pdf
- Description:
- PSMN1R4-40YLD/SOT669/LFPAK
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
PSMN1R4-40YLD from Nexperia is an N-channel logic-level power MOSFET in LFPAK56 (SOT669) package, rated for 40 V VDS, 1.4 mΩ RDS(on) at VGS = 10 V and 25 A, 240 A continuous drain current capability at Tmb = 25 °C, and qualified to 175 °C junction temperature - deployed in high-efficiency server power supplies and synchronous rectification stages.
For engineers reviewing the PSMN1R4-40YLD datasheet, PSMN1R4-40YLD pinout, PSMN1R4-40YLD application, or PSMN1R4-40YLD equivalent, this page delivers verified electrical parameters, LFPAK56 terminal mapping, NextPower-S3 switching behavior, Schottky-Plus body-diode performance, and thermal resistance data for PCB layout validation.
Technical Context
This MOSFET uses Nexperia's NextPower-S3 Superjunction TrenchMOS technology, enabling superfast switching with soft recovery and low QGD (13–26 nC) and QG(tot) (45–65 nC at 4.5 V drive). Its Schottky-Plus body diode delivers soft reverse recovery (trr = 47 ns, Qr = 61 nC) without elevated IDSS leakage.
Optimized for 4.5 V gate drive, it achieves RDS(on) = 1.38–1.85 mΩ at 25 °C and maintains 3.4 mΩ at 175 °C. Thermal resistance from junction to mounting base is 0.56–0.63 K/W, supporting high-power density designs with copper-clip LFPAK56 construction.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VDS | 40 V maximum drain-source voltage - defines safe blocking capability in 12 V/48 V bus applications. |
| RDS(on) | 1.4 mΩ typical at VGS = 10 V, 25 A, 25 °C - enables <1.4 W conduction loss at 240 A with proper thermal design. |
| ID (cont) | 240 A at Tmb = 25 °C - validated continuous current rating, limited by PCB copper area and heatsinking. |
| QG(tot) | 45–65 nC at VGS = 4.5 V - determines gate driver power and switching speed in high-frequency DC-DC converters. |
| trr | 47 ns typical - supports zero-voltage switching (ZVS) topologies with minimal switching loss and EMI. |
| Rth(j-mb) | 0.56–0.63 K/W - enables direct thermal coupling to heatsink or copper plane, critical for >100 W dissipation. |
| VGS(th) | 1.05–2.2 V - ensures full enhancement at logic-level 3.3 V/4.5 V drivers without level-shifting. |
Pinout & Package
LFPAK56 (SOT669) is a copper-clip, solder-die-attached surface-mount package with exposed mounting base connected to drain, optimized for low parasitic inductance/resistance and wave-solderable leads. It features a 4-pin configuration with three parallel source terminals and one gate terminal.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3 | Source (S) | Three paralleled source terminals reduce source inductance and improve current sharing in high-di/dt switching. |
| 4 | Gate (G) | Single gate input with low RG (1.1–3.43 Ω) - compatible with standard logic-level gate drivers. |
| Mounting Base (mb) | Drain (D) | Exposed copper drain pad - provides primary thermal path to PCB and enables high-current drain connection. |
Key Features
| Feature | Design Value |
|---|---|
| Avalanche-rated, 100% tested | IAS = 190 A - enables robust operation under inductive load switching without external snubbers. |
| Schottky-Plus body diode | trr = 47 ns, Qr = 61 nC, VSD = 0.78–1.2 V - delivers soft recovery with low forward drop and no high IDSS penalty. |
| NextPower-S3 technology | QGD/QG(tot) ratio ≤ 0.3 - improves Miller immunity and reduces switching losses in hard-switched topologies. |
| 175 °C qualified LFPAK56 | Rth(j-mb) = 0.56 K/W - supports sustained operation in high-ambient environments like server VRMs and motor drives. |
| Optimized for 4.5 V drive | RDS(on) = 1.38 mΩ typ. at VGS = 4.5 V - eliminates need for 10 V gate bias in modern controller ICs. |
Applications
| Synchronous Rectification | High-Efficiency Server PSU |
|---|---|
|
Use Scenario: Secondary-side switch in isolated LLC resonant converter delivering 500 W–2 kW output. IC Role / Device Role / Timing Role: Low-loss synchronous rectifier replacing Schottky diode, operating at 300–1000 kHz with ZVS edge alignment. Use Value: Reduces conduction loss by >60% vs. 40 V Schottky, enabling >96% efficiency at full load with 1.4 mΩ RDS(on). |
Use Scenario: Primary-side high-side switch in multiphase buck converter for CPU/GPU VRM in AI servers. IC Role / Device Role / Timing Role: High-current power stage switch handling up to 240 A per phase with tight dead-time control. Use Value: Enables phase interleaving with <50 ns turn-off delay and low QGD, minimizing shoot-through risk and improving transient response. |
| Motor Control (BLDC Inverter) | Power OR-ing |
|
Use Scenario: Half-bridge leg in 48 V BLDC motor drive for industrial automation, operating at 20–50 kHz PWM. IC Role / Device Role / Timing Role: Low-RDS(on) N-channel switch in 3-phase inverter bridge, paired with bootstrap gate driver. Use Value: Delivers <0.5 W conduction loss at 100 A RMS while maintaining soft body-diode recovery during commutation. |
Use Scenario: Ideal diode replacement in redundant 12 V/48 V power distribution for telecom equipment. IC Role / Device Role / Timing Role: Back-to-back configured MOSFET providing bidirectional OR-ing with fast fault isolation. Use Value: Achieves <1.5 mV forward drop at 100 A (vs. 300–400 mV for Schottky), reducing heat generation and improving system uptime. |
Availability
PSMN1R4-40YLD is available at Aetrix Electronics and suitable for high-current synchronous rectification, server power supply design, and motor control applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for PSMN1R4-40YLD 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
Nexperia is a global semiconductor expert focused on high-volume, high-reliability discrete and logic devices, with leadership in power MOSFETs, ESD protection, and automotive-qualified components.
This device belongs to Nexperia's NextPower-S3 portfolio - engineered specifically for high-efficiency, high-frequency power conversion in datacenter, industrial, and telecom infrastructure where low RDS(on), soft switching, and thermal robustness are critical.
FAQ
What is the maximum continuous drain current for PSMN1R4-40YLD under real-world PCB conditions?
The datasheet specifies 240 A at Tmb = 25 °C with ideal thermal mounting. In practice, achievable current depends on PCB copper area (e.g., 1"² 2 oz Cu pad yields ~150 A), ambient temperature, and airflow. At Tmb = 100 °C, rated current drops to 214 A per Figure 2.
Does PSMN1R4-40YLD support 3.3 V gate drive?
No - while VGS(th) starts at 1.05 V, the device requires ≥4.5 V for full enhancement. At VGS = 3.3 V, RDS(on) rises above 3 mΩ (per Figure 8), increasing conduction loss significantly. It is designed for 4.5 V or 5 V logic-level drivers, not 3.3 V systems.
How does the Schottky-Plus body diode differ from a standard MOSFET body diode?
It combines low forward voltage (VSD = 0.78 V at 25 A) with soft reverse recovery (trr = 47 ns, Qr = 61 nC) and negligible increase in IDSS. Unlike standard body diodes, it avoids the trade-off between low VF and high leakage, enabling efficient synchronous rectification without added EMI filters.
Can PSMN1R4-40YLD be wave-soldered, and what are the key layout requirements?
Yes - its LFPAK56 package supports wave soldering per Figure 19. Key requirements include 0.6 mm wide solder lands (x4), 1.27 mm pitch, and 1.72–2.1 mm pad length. Exposed mounting base must remain unmasked to ensure reliable solder joint formation and thermal integrity.
PSMN1R4-40YLD/2X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-100, SOT-669
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- FET Type:
- N-Channel
- Technology:
- MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss):
- 40 V
- Current - Continuous Drain (Id) @ 25°C:
- 240A (Tc)
- Drive Voltage (Max Rds On, Min Rds On):
- 4.5V, 10V
- Rds On (Max) @ Id, Vgs:
- 1.4mOhm @ 25A, 10V
- Vgs(th) (Max) @ Id:
- 2.2V @ 1mA
- Gate Charge (Qg) (Max) @ Vgs:
- 143 nC @ 10 V
- Vgs (Max):
- ±20V
- Input Capacitance (Ciss) (Max) @ Vds:
- 6661 pF @ 20 V
- FET Feature:
- -
- Power Dissipation (Max):
- 238W (Tc)
- Operating Temperature:
- -55°C ~ 175°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- LFPAK56, Power-SO8
PSMN1R4-40YLD/2X FAQ
1.How can I place an order for PSMN1R4-40YLD/2X through Aetrix?
Please submit a Request for Quotation (RFQ) for PSMN1R4-40YLD/2X 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 PSMN1R4-40YLD/2X reliable?
The price and inventory of PSMN1R4-40YLD/2X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PSMN1R4-40YLD/2X is usually 5 days.
3.What payment methods are accepted for PSMN1R4-40YLD/2X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PSMN1R4-40YLD/2X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PSMN1R4-40YLD/2X?
PSMN1R4-40YLD/2X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PSMN1R4-40YLD/2X 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 PSMN1R4-40YLD/2X?
For technical support, including PSMN1R4-40YLD/2X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PSMN1R4-40YLD/2X requirements.
6.How does Aetrix verify that PSMN1R4-40YLD/2X is sourced from the original manufacturer or authorized distributors?
All PSMN1R4-40YLD/2X 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 PSMN1R4-40YLD/2X meets industry standards.
7.What is the process for return or replacement of PSMN1R4-40YLD/2X?
All PSMN1R4-40YLD/2X units undergo pre-shipment inspection (PSI). If there is an issue with PSMN1R4-40YLD/2X, 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 PSMN1R4-40YLD/2X part is unused and in its original packaging.
Return procedure for PSMN1R4-40YLD/2X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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