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Nexperia USA Inc. PMEG4010CEGW-QJ
- Part No.:
- PMEG4010CEGW-QJ
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- SOD-123
- Datasheet:
-
PMEG4010CEGW-QJ.pdf
- Description:
- DIODE SCHOTTKY 40V 1A SOD123
- Quantity:
- Payment:
- Shipping:
Inventory:7,203
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Product details
Overview
PMEG4010CEGW-QJ from Nexperia is a 40 V, 1 A planar Schottky barrier rectifier in SOD123 package, featuring typ. 490 mV forward voltage, 6 µA reverse leakage at 40 V, and AEC-Q101 qualification for automotive reverse polarity protection and DC-DC conversion.
For engineers reviewing the PMEG4010CEGW-QJ datasheet, PMEG4010CEGW-QJ pinout, PMEG4010CEGW-QJ application, or PMEG4010CEGW-QJ equivalent, this diode delivers verified low-VF performance, thermal robustness on FR4 PCBs, and stress-protected operation via integrated guard ring - critical for high-reliability 12 V/24 V automotive power rails.
Technical Context
This Schottky rectifier uses a planar die structure with an integrated guard ring to suppress edge breakdown under transient overvoltage and thermal stress. Its low 490 mV VF at 1 A enables >95% efficiency in low-voltage synchronous rectification stages.
Rated for Tj = 150 °C and qualified per AEC-Q101, it sustains repetitive 7 A IFRM and non-repetitive 9 A IFSM pulses while maintaining Rth(j-sp) = 21 K/W to cathode solder point - enabling compact layout in space-constrained automotive modules.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 40 V - supports 12 V/24 V automotive systems with margin against load dump transients. |
| Forward Current (IF) | 1 A continuous - sufficient for auxiliary power rails, sensor supplies, and LED drivers. |
| Forward Voltage (VF) | 490 mV typ. at 1 A - reduces conduction loss by ~30% vs. standard silicon diodes in same footprint. |
| Reverse Leakage (IR) | 6 µA typ. at 40 V - minimizes standby power loss in battery-backed circuits. |
| Diode Capacitance (Cd) | 69 pF typ. at 1 V - enables fast switching with low EMI in 1–2 MHz DC-DC converters. |
| Junction Temperature (Tj) | 150 °C max - ensures reliability in under-hood environments without derating at 85 °C ambient. |
| Thermal Resistance (Rth(j-sp)) | 21 K/W - allows direct thermal coupling to PCB copper, simplifying thermal design in dense layouts. |
Pinout & Package
Encapsulated in SOD123 surface-mount plastic package (2.675 mm × 1.6 mm × 1.15 mm), with cathode marked by bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to output/load side; marking bar identifies this terminal - critical for correct polarity in reverse protection. |
| 2 | Anode (A) | Connected to input/source side; serves as current entry point during forward conduction. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated guard ring | Prevents premature edge breakdown under mechanical stress or voltage transients - essential for AEC-Q101 compliance. |
| AEC-Q101 qualification | Validated for automotive-grade temperature cycling, humidity, and mechanical shock - no additional qualification needed for Tier-1 designs. |
| Low thermal resistance to solder point | Rth(j-sp) = 21 K/W enables efficient heat transfer directly to PCB copper - eliminates need for thermal vias in many applications. |
| Small SOD123 footprint | 2.675 mm × 1.6 mm area fits tight spaces in ADAS camera modules and body control units without sacrificing current rating. |
Applications
| Automotive Reverse Polarity Protection | Low-Voltage DC-DC Converter Output Rectification |
|---|---|
|
Use Scenario: Protecting infotainment head units and telematics modules from battery misconnection in 12 V vehicle systems. IC Role / Device Role / Timing Role: Unidirectional current blocking element placed between battery input and system power rail. Use Value: 490 mV VF limits voltage drop to <0.5 V at 1 A, preserving >95% of supply voltage during normal operation. |
Use Scenario: Secondary-side rectification in 5 V/3.3 V buck converters powering microcontrollers and sensors. IC Role / Device Role / Timing Role: High-frequency switching rectifier synchronized with controller's PWM cycle. Use Value: 69 pF Cd and fast recovery minimize switching losses and EMI generation at 1–2 MHz switching frequencies. |
| Industrial Sensor Power Supply | USB-C Port Protection |
|
Use Scenario: Providing isolated 3.3 V power to CAN transceivers and analog front-ends in factory automation nodes. IC Role / Device Role / Timing Role: Low-leakage blocking diode in linear regulator input stage or LDO pre-filter. Use Value: 6 µA IR at 40 V prevents >2 µW standby drain - extends battery life in wireless sensor nodes. |
Use Scenario: Preventing backfeed from USB-C power delivery (PD) sources into host devices during hot-plug events. IC Role / Device Role / Timing Role: Directional isolation component between VBUS and device power domain. Use Value: AEC-Q101 qualification ensures robustness against repeated 20 V transients common in USB-C ecosystems. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor NSS40100U1T6G | Same 40 V/1 A rating but VF = 520 mV typ. at 1 A; Rth(j-a) = 320 K/W (vs. 305 K/W). | Larger thermal footprint required for equivalent power dissipation; not AEC-Q101 qualified. | Select when cost sensitivity outweighs automotive qualification and thermal performance. |
| Vishay SS14HM3/84A | 40 V/1 A, VF = 500 mV typ., but IR = 10 µA at 40 V and no guard ring; Rth(j-sp) not specified. | Higher leakage increases standby loss; lacks edge protection for harsh transients. | Acceptable for consumer-grade DC-DC where AEC-Q101 and low-IR are not mandatory. |
Compared with NSS40100U1T6G and SS14HM3/84A, PMEG4010CEGW-QJ provides the lowest combination of forward voltage, reverse leakage, and thermally optimized packaging - making it the preferred choice for automotive and industrial applications demanding both efficiency and long-term reliability.
Availability
PMEG4010CEGW-QJ is available at Aetrix Electronics and suitable for automotive reverse polarity protection, low-voltage DC-DC converter rectification, and industrial sensor power supply requiring stable component supply across production lifecycles.
Supply support for PMEG4010CEGW-QJ 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 automotive-qualified components and energy-efficient solutions.
This device belongs to Nexperia's AEC-Q101-qualified Schottky rectifier product line, engineered specifically for low-loss, high-stability power management in automotive and industrial environments.
FAQ
What is the maximum junction temperature for PMEG4010CEGW-QJ?
The absolute maximum junction temperature is 150 °C, validated per AEC-Q101 test conditions. Operation up to this limit is supported with proper PCB thermal design - including ≥1 cm² cathode copper pad - and ambient temperatures ≤85 °C.
Is PMEG4010CEGW-QJ suitable for synchronous rectification?
No - it is a passive Schottky rectifier, not a synchronous MOSFET driver or controlled switch. It functions as a unidirectional freewheeling or output rectifier in non-synchronous buck or flyback topologies.
Does the SOD123 package include thermal pad exposure?
No - the SOD123 package has no exposed thermal pad. Thermal performance relies on solder connection of the cathode (Pin 1) to a dedicated copper area; Rth(j-sp) = 21 K/W assumes standard footprint with tin-plated copper.
How does the guard ring improve reliability in automotive use?
The integrated guard ring suppresses electric field concentration at the die edge, preventing premature avalanche breakdown during load dump (ISO 7637-2 Pulse 5a) or jump-start transients - a key requirement for AEC-Q101 qualification.
PMEG4010CEGW-QJ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SOD-123
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 40 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 570 mV @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 50 µA @ 40 V
- Capacitance @ Vr, F:
- 69pF @ 1V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123
- Operating Temperature - Junction:
- 150°C
PMEG4010CEGW-QJ FAQ
1.How can I place an order for PMEG4010CEGW-QJ through Aetrix?
Please submit a Request for Quotation (RFQ) for PMEG4010CEGW-QJ 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 PMEG4010CEGW-QJ reliable?
The price and inventory of PMEG4010CEGW-QJ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PMEG4010CEGW-QJ is usually 5 days.
3.What payment methods are accepted for PMEG4010CEGW-QJ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PMEG4010CEGW-QJ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PMEG4010CEGW-QJ?
PMEG4010CEGW-QJ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PMEG4010CEGW-QJ 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 PMEG4010CEGW-QJ?
For technical support, including PMEG4010CEGW-QJ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PMEG4010CEGW-QJ requirements.
6.How does Aetrix verify that PMEG4010CEGW-QJ is sourced from the original manufacturer or authorized distributors?
All PMEG4010CEGW-QJ 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 PMEG4010CEGW-QJ meets industry standards.
7.What is the process for return or replacement of PMEG4010CEGW-QJ?
All PMEG4010CEGW-QJ units undergo pre-shipment inspection (PSI). If there is an issue with PMEG4010CEGW-QJ, 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 PMEG4010CEGW-QJ part is unused and in its original packaging.
Return procedure for PMEG4010CEGW-QJ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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