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Nexperia USA Inc. PMEG4020EPK,315
- Part No.:
- PMEG4020EPK,315
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- 2-XDFN
- Datasheet:
-
PMEG4020EPK,315.pdf
- Description:
- DIODE SCHOTTKY 40V 2A DFN1608D-2
- Quantity:
- Payment:
- Shipping:
Inventory:236,678
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Product details
Overview
PMEG4020EPK from Nexperia is a planar Schottky barrier rectifier with integrated guard ring for stress protection, rated at 40 V reverse voltage and 2 A average forward current, featuring ultra-low 585–660 mV forward voltage at 2 A and 4 ns reverse recovery time - deployed in mobile LED backlighting and high-efficiency DC-DC converters where compact size and thermal efficiency are critical.
For engineers reviewing the PMEG4020EPK datasheet, PMEG4020EPK pinout, PMEG4020EPK application, or PMEG4020EPK equivalent, key selection criteria include low VF under pulsed 2 A load, side-wettable DFN1608D-2 package compatibility with automated optical inspection (AOI), reverse leakage ≤5 µA at 10 V, and junction-to-solder-point thermal resistance of 20 K/W on cathode tab.
Technical Context
This Schottky rectifier uses a planar die structure with an integrated guard ring to suppress edge breakdown and improve reliability under transient overvoltage stress. Its low-barrier metal-semiconductor junction enables fast switching (trr = 4 ns) and minimal forward conduction loss without minority-carrier storage delay.
The device operates within a 150 °C maximum junction temperature and supports repetitive peak forward currents up to 4 A (tp ≤ 1 ms). Thermal performance is optimized for ultra-thin PCB mounting: Rth(j-sp) = 20 K/W is measured at the cathode solder point, enabling direct thermal coupling to copper pour.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 40 V - Maximum DC blocking capability; suitable for 24 V system rails and 36 V transients in portable power supplies. |
| Average Forward Current (IF(AV)) | 2 A - Sustained DC or square-wave (δ = 0.5, f = 20 kHz) conduction on FR4 PCB with standard footprint. |
| Forward Voltage (VF) | 585–660 mV @ 2 A - Low conduction loss reduces heat generation in high-duty-cycle DC-DC output stages. |
| Reverse Recovery Time (trr) | 4 ns - Enables ultra-high-frequency switching (>1 MHz) with negligible switching loss in synchronous rectifiers. |
| Reverse Current (IR) | 1–5 µA @ 10 V - Minimal leakage preserves efficiency in battery-powered standby circuits. |
| Diode Capacitance (Cd) | 30–40 pF @ 10 V - Low capacitance minimizes AC coupling and EMI in high-speed switching nodes. |
| Package | DFN1608D-2 (SOD1608) - 1.6 mm × 0.8 mm × 0.37 mm leadless package with solderable side pads for AOI-compatible reflow. |
Pinout & Package
Encapsulated in a leadless ultra-small DFN1608D-2 (SOD1608) surface-mount plastic package with visible and solderable side pads; body dimensions 1.6 mm × 0.8 mm × 0.37 mm, 0.94 mm pitch, and ceramic PCB-optimized thermal path via cathode pad.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Main current exit terminal; marked with bar; connects to ground or low-side return path; primary thermal interface (Rth(j-sp) = 20 K/W). |
| 2 (A) | Anode | Current entry terminal; connects to switched node or input rail; side-wettable flank enables solder joint inspection. |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring integration | Suppresses edge avalanche and improves VR consistency across temperature and process variation. |
| Solderable side pads | Enables automated optical inspection (AOI) of solder joints without X-ray, reducing manufacturing defect escape. |
| Ultra-low profile (0.37 mm) | Allows stacking in space-constrained mobile modules and wearable PCBs with height-sensitive components. |
| Low thermal resistance (Rth(j-sp) = 20 K/W) | Direct cathode-tab thermal path enables >1.5× higher power density vs. standard SOD-123 on same FR4 layout. |
| Low reverse leakage (≤5 µA @ 10 V) | Maintains >99.9% efficiency in always-on battery monitoring paths with <1 µW standby dissipation. |
Applications
| Mobile LED Backlighting | USB-C Power Delivery Output Rectification |
|---|---|
|
Use Scenario: Boost converter output stage driving white LED strings in smartphones and tablets. IC Role / Device Role / Timing Role: Low-VF synchronous rectifier replacing MOSFET gate drive complexity in compact boost topology. Use Value: 660 mV VF at 2 A reduces conduction loss by 35% vs. standard Schottky alternatives, extending battery runtime by ~8 minutes per charge cycle. |
Use Scenario: Secondary-side rectification in 20–45 W USB-C PD adapters with 1 MHz+ switching frequency. IC Role / Device Role / Timing Role: High-speed unidirectional current valve enabling zero-voltage switching (ZVS) in resonant LLC topologies. Use Value: 4 ns trr eliminates reverse recovery tail, cutting switching loss by 22% and allowing 25% smaller output filter capacitors. |
| Industrial Sensor Node Power Supply | Reverse Polarity Protection in Wearables |
|
Use Scenario: Input protection and rectification for 3.3 V/5 V buck converters powering LoRaWAN or BLE sensor nodes. IC Role / Device Role / Timing Role: Low-leakage front-end rectifier ensuring <1 µA standby current in energy-harvesting designs. Use Value: 1 µA IR at 10 V enables >10-year battery life in coin-cell-powered IoT endpoints with 5 µA average system current. |
Use Scenario: Series-connected polarity guard between Li-ion battery and PMIC in smartwatches and hearables. IC Role / Device Role / Timing Role: Fail-safe unidirectional switch preventing reverse current flow during hot-plug or battery swap events. Use Value: 0.585 V VF at 1 A limits voltage drop to <2% of 3.7 V nominal battery, preserving >98% of available energy during normal operation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-2EDH04-M3/86A | Higher VF (720 mV @ 2 A); larger SOD-123 package (3.7 mm × 1.6 mm); no side-wettable flanks. | Less suitable for AOI-dependent high-volume mobile assembly; requires 2.3× more board area. | Select only when legacy footprint compatibility outweighs size and testability requirements. |
| ON Semiconductor NSR20F40NXT5G | Same VF range (590–670 mV), but 0.55 mm height and no guard ring; IR = 10 µA @ 10 V (2× higher leakage). | Higher leakage may degrade standby efficiency in battery-critical wearables; lower height limits thermal mass. | Prefer for ultra-low-profile designs where leakage <5 µA is not mandatory and guard ring stress protection is secondary. |
Compared with VS-2EDH04-M3/86A and NSR20F40NXT5G, PMEG4020EPK delivers superior thermal performance (20 K/W j-sp), guaranteed guard ring reliability, and AOI-ready side pads - making it optimal for next-gen mobile and wearable power stages demanding miniaturization, yield, and long-term robustness.
Availability
PMEG4020EPK is available at Aetrix Electronics and suitable for mobile LED backlighting, USB-C power delivery output rectification, and industrial sensor node power supplies requiring stable component supply, consistent parametric performance, and full traceability from wafer lot to shipment.
Supply support for PMEG4020EPK 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 delivering high-performance, reliable discrete, logic, and MOSFET devices, with leadership in automotive-grade and industrial power semiconductors.
The PMEG4020EPK belongs to Nexperia's low-VF Schottky rectifier product line, engineered specifically for space-constrained, high-efficiency DC-DC conversion in portable and battery-powered systems.
FAQ
What is the maximum allowable junction temperature for PMEG4020EPK?
The absolute maximum junction temperature is 150 °C, validated per IEC 60134 limiting values. Operation above this threshold risks permanent degradation of the Schottky barrier and increased reverse leakage. Derating curves in Figures 9–12 define safe IF(AV) limits based on ambient or solder-point temperature and duty cycle.
Does PMEG4020EPK support reflow soldering with standard lead-free profiles?
Yes - the DFN1608D-2 package is qualified for JEDEC J-STD-020D-compliant lead-free reflow, with peak temperature up to 260 °C. Figure 17 provides the recommended solder land pattern, and the side-wettable flanks enable post-reflow AOI verification of fillet formation without X-ray.
How does the integrated guard ring affect reliability in surge-prone applications?
The guard ring mitigates electric field crowding at the die periphery, raising the effective breakdown voltage margin and improving robustness against repetitive 40 V transients. This is confirmed in accelerated life testing per AEC-Q200 stress conditions, though the part itself is non-automotive qualified per revision v.3.
Can PMEG4020EPK be used in place of a standard SOD-123 Schottky diode?
No - the DFN1608D-2 (1.6 mm × 0.8 mm) is physically incompatible with SOD-123 (3.7 mm × 1.6 mm) footprints. Direct replacement requires PCB redesign. However, its 2 A rating and 660 mV VF exceed typical SOD-123 Schottkys, justifying layout optimization for size and thermal gain.
PMEG4020EPK,315 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 2-XDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io):
- 2A
- Voltage - Forward (Vf) (Max) @ If:
- 660 mV @ 2 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 4 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 10 V
- Capacitance @ Vr, F:
- 90pF @ 1V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DFN1608D-2
- Operating Temperature - Junction:
- 150°C (Max)
PMEG4020EPK,315 FAQ
1.How can I place an order for PMEG4020EPK,315 through Aetrix?
Please submit a Request for Quotation (RFQ) for PMEG4020EPK,315 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 PMEG4020EPK,315 reliable?
The price and inventory of PMEG4020EPK,315 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PMEG4020EPK,315 is usually 5 days.
3.What payment methods are accepted for PMEG4020EPK,315?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PMEG4020EPK,315 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PMEG4020EPK,315?
PMEG4020EPK,315 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PMEG4020EPK,315 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 PMEG4020EPK,315?
For technical support, including PMEG4020EPK,315 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PMEG4020EPK,315 requirements.
6.How does Aetrix verify that PMEG4020EPK,315 is sourced from the original manufacturer or authorized distributors?
All PMEG4020EPK,315 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 PMEG4020EPK,315 meets industry standards.
7.What is the process for return or replacement of PMEG4020EPK,315?
All PMEG4020EPK,315 units undergo pre-shipment inspection (PSI). If there is an issue with PMEG4020EPK,315, 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 PMEG4020EPK,315 part is unused and in its original packaging.
Return procedure for PMEG4020EPK,315:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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