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Nexperia USA Inc. PMEG4005EJF
- Part No.:
- PMEG4005EJF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- SC-90, SOD-323F
- Datasheet:
-
PMEG4005EJF.pdf
- Description:
- DIODE SCHOTTKY 40V 500MA SOD323F
- Quantity:
- Payment:
- Shipping:
Inventory:3,859
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Product details
Overview
PMEG4005EJF from Nexperia is a 40 V, 0.5 A planar Schottky barrier rectifier in SOD323F (SC-90) package, featuring 420–470 mV forward voltage at 500 mA, ≤100 µA reverse leakage at 40 V, and 43–50 pF junction capacitance at 1 V - optimized for low-loss DC/DC conversion and reverse polarity protection in space-constrained portable power rails.
For engineers reviewing the PMEG4005EJF datasheet, PMEG4005EJF pinout, PMEG4005EJF application, or PMEG4005EJF equivalent, key selection criteria include forward voltage consistency at 500 mA, thermal resistance to solder point (55 K/W), cathode-marked SOD323F footprint compatibility, and pulsed IFRM rating of 7 A for transient surge handling.
Technical Context
This MEGA-series Schottky diode uses a planar structure with integrated guard ring for ESD and mechanical stress protection. Its low VF stems from optimized metal-semiconductor interface and thin epitaxial layer, enabling high conduction efficiency below 40 V blocking.
Thermal design relies on junction-to-solder-point resistance of 55 K/W when mounted on 1 cm² cathode pad, while reverse leakage remains under 100 µA at rated VR - critical for maintaining efficiency in battery-powered systems where standby current must be minimized.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Forward Voltage (VF) | 420–470 mV at 500 mA pulsed - enables <150 mW conduction loss in 3.3 V/5 V rail rectification |
| Reverse Voltage (VR) | 40 V max - supports input stages in USB PD, Qi wireless charging, and 24 V industrial auxiliary supplies |
| Reverse Leakage (IR) | ≤100 µA at 40 V - ensures <1 µW standby dissipation in always-on battery backup paths |
| Junction Capacitance (Cd) | 43–50 pF at 1 V - minimizes switching node ringing in high-frequency (>1 MHz) buck converters |
| Thermal Resistance (Rth(j-sp)) | 55 K/W - allows 0.83 W power dissipation with ≤46 °C rise above solder point temperature |
| Repetitive Peak Current (IFRM) | 7 A at 1 ms pulse - handles inrush surges in hot-swap and load-switch applications |
| Operating Temperature | −65 °C to +150 °C - qualified for extended industrial and automotive-adjacent environments |
Pinout & Package
Encapsulated in SOD323F (SC-90), a 1.7 mm × 1.25 mm × 0.7 mm surface-mount plastic package with flat leads and standard FR4-compatible footprint. Cathode identified by marking bar.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Output terminal for forward conduction; marked side of package; connects to load ground or return path |
| 2 | Anode (A) | Input terminal for forward conduction; connects to supply rail or switched node in reverse polarity protection |
Key Features
| Feature | Design Value |
|---|---|
| Very low forward voltage | 420–470 mV @ 500 mA - reduces conduction loss by >40% vs. standard silicon diodes in 3.3 V systems |
| Integrated guard ring | Enhances ruggedness against ESD and mechanical stress - improves reliability in handheld and vibration-prone assemblies |
| Flat lead SMD package | SOD323F footprint enables automated placement and reflow without tombstoning on fine-pitch PCBs |
| Low junction capacitance | 43–50 pF - preserves switching speed and minimizes capacitive coupling in high-dV/dt gate drive paths |
Applications
| USB Power Delivery Input Protection | Wireless Charging Receiver Rectification |
|---|---|
|
Use Scenario: Reverse polarity and overvoltage clamp at USB-C port input before buck controller. IC Role / Device Role / Timing Role: Unidirectional current steering diode with fast turn-off and minimal forward drop. Use Value: Enables <0.5 V total drop across input path, preserving ≥4.5 V for downstream 5 V regulators even at 500 mA. |
Use Scenario: AC-to-DC rectification of resonant tank output in Qi-compliant 15 W receiver modules. IC Role / Device Role / Timing Role: High-frequency synchronous rectifier replacement operating at 100–205 kHz. Use Value: Delivers 420 mV VF at 300 mA average current, reducing rectifier loss by 65% vs. 1N5819 in same layout. |
| Industrial Sensor Node Power Path | Li-ion Battery Backup Switchover |
|
Use Scenario: OR-ing diode between primary 3.3 V rail and supercapacitor backup in field-deployed IoT sensors. IC Role / Device Role / Timing Role: Low-leakage forward path selector with <100 µA IR at 3.3 V reverse bias. Use Value: Extends backup runtime by limiting parasitic discharge to <0.3 µA per diode in dual-rail redundancy schemes. |
Use Scenario: Automatic switchover between main supply and single-cell Li-ion during brownout events. IC Role / Device Role / Timing Role: Low-VF isolation diode preventing battery discharge into failed supply rail. Use Value: Maintains ≥4.1 V at load during 500 mA switchover due to 430 mV typical VF - avoids microcontroller brownout reset. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RB520S-40T1G (ON Semiconductor) | 40 V VR, 0.5 A IF, VF = 450 mV @ 500 mA, SOD-523 package (1.2 × 0.8 mm) | Smaller footprint but higher Rth(j-a) (450 K/W); less suitable for >150 mW continuous dissipation | Select when board area is constrained and thermal margin exceeds 25 °C rise |
| SS14 (Good-Ark) | 40 V VR, 1 A IF, VF = 500 mV @ 1 A, SMA package (4.5 × 2.7 mm) | Larger size, higher VF, but rated for 1 A DC - better for intermittent 800 mA loads | Select when future current scaling to 700–900 mA is anticipated and PCB space permits |
Compared with RB520S-40T1G and SS14, PMEG4005EJF delivers the lowest VF in its class within the smallest thermally optimized SOD323F package - making it optimal for compact, high-efficiency 0.5 A DC/DC front-ends where both voltage headroom and thermal resistance matter.
Availability
PMEG4005EJF is available at Aetrix Electronics and suitable for USB PD input protection, wireless charging receiver rectification, and industrial sensor node power path applications requiring stable component supply, consistent VF matching, and long-term SOD323F package availability.
Supply support for PMEG4005EJF 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, logic, and MOSFET solutions - headquartered in Nijmegen, Netherlands, with manufacturing in Asia and Europe.
PMEG4005EJF belongs to Nexperia's MEGA Schottky rectifier product line, engineered specifically for ultra-low VF performance in space-constrained, high-efficiency power conversion - targeting portable, battery-powered, and industrial edge devices.
FAQ
What is the maximum continuous forward current rating for PMEG4005EJF?
The PMEG4005EJF is rated for 0.5 A continuous forward current at solder point temperature ≤55 °C. This rating assumes mounting on an FR4 PCB with single-sided copper and a 1 cm² cathode pad. Exceeding this current without thermal derating risks junction overheating beyond 150 °C.
Does PMEG4005EJF have automotive qualification?
No. Per Nexperia's revision history, PMEG4005EJF is explicitly designated as non-automotive qualified. It lacks AEC-Q101 stress testing and is not approved for safety-critical vehicle systems. For automotive use, Nexperia offers the −Q qualified variants such as PMEG4005EJF-Q.
How is cathode identification implemented on the SOD323F package?
The cathode is marked by a visible bar on the top surface of the SOD323F package, aligned with Pin 1. The device outline drawing confirms Pin 1 as K (cathode) and Pin 2 as A (anode), with the bar positioned adjacent to the cathode metallization area - verified in Figure 4 and Table 2 of the official datasheet.
Can PMEG4005EJF be used in place of a 1N5817 in a 5 V supply?
Yes, with measurable improvement: PMEG4005EJF delivers ~430 mV VF at 500 mA versus ~600 mV for 1N5817, reducing conduction loss by ~170 mW. However, its 40 V VR matches 1N5817's rating, and its SOD323F footprint requires PCB land pattern adjustment - no direct drop-in replacement without layout revision.
PMEG4005EJF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-90, SOD-323F
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io):
- 500mA
- Voltage - Forward (Vf) (Max) @ If:
- 470 mV @ 500 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 100 µA @ 40 V
- Capacitance @ Vr, F:
- 43pF @ 1V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323F
- Operating Temperature - Junction:
- 150°C (Max)
PMEG4005EJF FAQ
1.How can I place an order for PMEG4005EJF through Aetrix?
Please submit a Request for Quotation (RFQ) for PMEG4005EJF 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 PMEG4005EJF reliable?
The price and inventory of PMEG4005EJF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PMEG4005EJF is usually 5 days.
3.What payment methods are accepted for PMEG4005EJF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PMEG4005EJF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PMEG4005EJF?
PMEG4005EJF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PMEG4005EJF 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 PMEG4005EJF?
For technical support, including PMEG4005EJF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PMEG4005EJF requirements.
6.How does Aetrix verify that PMEG4005EJF is sourced from the original manufacturer or authorized distributors?
All PMEG4005EJF 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 PMEG4005EJF meets industry standards.
7.What is the process for return or replacement of PMEG4005EJF?
All PMEG4005EJF units undergo pre-shipment inspection (PSI). If there is an issue with PMEG4005EJF, 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 PMEG4005EJF part is unused and in its original packaging.
Return procedure for PMEG4005EJF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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