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Nexperia USA Inc. PMEG3005EGW-QX
- Part No.:
- PMEG3005EGW-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- SOD-123
- Datasheet:
-
PMEG3005EGW-QX.pdf
- Description:
- DIODE SCHOTTKY 30V 500MA SOD123
- Quantity:
- Payment:
- Shipping:
Inventory:9,411
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Product details
Overview
PMEG3005EGW-QX from Nexperia is a planar Schottky barrier rectifier with integrated guard ring for stress protection, rated at 30 V reverse voltage and 0.5 A average forward current, featuring low 380 mV typical forward voltage and 40 µA typical reverse leakage at 30 V - deployed in automotive-grade DC-DC converters and reverse polarity protection circuits.
For engineers reviewing the PMEG3005EGW-QX datasheet, PMEG3005EGW-QX pinout, PMEG3005EGW-QX application, or PMEG3005EGW-QX equivalent, key selection criteria include AEC-Q101 qualification, SOD123 thermal resistance (190 K/W junction-to-solder point), and low-VF performance under pulsed 500 mA conditions at 25 °C.
Technical Context
This Schottky rectifier uses a planar die structure with an integrated guard ring to enhance ruggedness against electrical overstress and transient voltage spikes. Its low forward voltage drop stems from optimized metal-semiconductor interface design, enabling high efficiency in low-voltage, high-frequency switching topologies.
Thermal performance is defined by two critical paths: junction-to-ambient (310 K/W in free air) and junction-to-solder point (190 K/W on FR4 with 1 cm² cathode pad), supporting reliable operation up to 150 °C junction temperature in automotive ambient environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 30 V - maximum blocking capability without breakdown; supports 24 V automotive rail derating. |
| Average Forward Current (IF(AV)) | 0.5 A - continuous DC current rating at Tsp ≤ 145 °C; defines steady-state power delivery capacity. |
| Forward Voltage (VF) | 380 mV typ. at 500 mA - enables <190 mW conduction loss per diode, critical for >90% DC-DC efficiency. |
| Reverse Leakage (IR) | 40 µA typ. at VR = 30 V - low leakage preserves battery life in always-on automotive modules. |
| Diode Capacitance (Cd) | 55–70 pF at VR = 1 V - minimizes switching losses and EMI in 1–2 MHz SMPS designs. |
| Junction Temperature (Tj) | 150 °C max - enables operation in under-hood environments with localized thermal hotspots. |
| AEC-Q101 Qualified | Yes - validated for automotive discrete semiconductor stress testing including HTGB, HTRB, and ESD. |
Pinout & Package
Encapsulated in a compact SOD123 surface-mount plastic package (2.675 mm × 1.6 mm × 1.15 mm), with cathode marked by a bar on the body.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Negative output terminal; connects to ground or return path; marking bar identifies this pin. |
| 2 | Anode (A) | Positive input terminal; accepts input voltage; carries forward current into load or converter stage. |
Key Features
| Feature | Design Value |
|---|---|
| Low VF Schottky architecture | 380 mV typical at 500 mA - reduces conduction loss by ~40% vs. standard silicon diodes in 3.3–12 V rails. |
| Integrated guard ring | Enhances surge robustness against repetitive transients (e.g., load dump, ISO 7637-2 pulses) without external snubbers. |
| AEC-Q101 qualification | Validated for automotive use across temperature, humidity, and mechanical shock profiles - eliminates requalification effort. |
| SOD123 thermal footprint | 190 K/W Rth(j-sp) with 1 cm² cathode pad - enables 0.5 A operation on standard FR4 without heatsinking. |
| Low capacitance (55–70 pF) | Minimizes reverse recovery charge and RF noise generation in MHz-range buck/boost controllers. |
Applications
| Automotive Body Control Module (BCM) | USB-C Power Delivery Input Protection |
|---|---|
Use Scenario: Reverse polarity protection on 12 V supply input to microcontroller-based lighting and door lock subsystems. IC Role / Device Role / Timing Role: Unidirectional current gate preventing damage during battery jump-start misconnection. Use Value: 30 V VR rating accommodates 12 V system transients up to ±30 V; 40 µA IR ensures negligible standby drain on vehicle battery. |
Use Scenario: Input rectification and reverse blocking in 5–20 V USB PD front-end circuits. IC Role / Device Role / Timing Role: Low-loss path for forward current while blocking reverse fault currents during port swapping. Use Value: 380 mV VF maintains >95% efficiency at 500 mA; SOD123 footprint fits space-constrained Type-C PCB layouts. |
| Industrial 24 V IoT Sensor Node | Automotive ADAS Camera Power Supply |
Use Scenario: Low-voltage rectification in isolated DC-DC bias supplies for RS-485 transceivers and analog sensors. IC Role / Device Role / Timing Role: High-efficiency freewheeling diode in flyback or buck converter secondary side. Use Value: 55–70 pF Cd limits ringing and EMI in 1–2 MHz switching; 150 °C Tj supports sealed enclosure operation. |
Use Scenario: Reverse polarity and transient protection on 5 V/3.3 V camera module power inputs exposed to harsh ECU environments. IC Role / Device Role / Timing Role: Stress-protected clamp diode absorbing ISO 16750-2 load-dump energy spikes. Use Value: Guard ring + AEC-Q101 qualification ensures reliability over 15-year vehicle lifetime; 0.5 A IF(AV) handles peak camera burst loads. |
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-30CTQ045 | Higher IF(AV) = 3 A, larger DO-214AC package, VF = 450 mV @ 3 A - higher conduction loss at 0.5 A. | Targeted at higher-power industrial SMPS; not AEC-Q101 qualified. | Select when >1 A average current is required and automotive qualification is unnecessary. |
| ON Semiconductor NSS30100DZ | SOD-123 package, VF = 420 mV @ 0.5 A, IR = 100 µA @ 30 V - higher leakage degrades battery hold-up time. | Qualified to AEC-Q101 but lacks guard ring; lower surge robustness in load-dump scenarios. | Choose only if cost sensitivity outweighs long-term reliability in safety-critical automotive nodes. |
Compared with VS-30CTQ045 and NSS30100DZ, PMEG3005EGW-QX uniquely balances ultra-low VF (380 mV), AEC-Q101 compliance, and integrated guard ring - making it optimal for space-constrained, high-reliability 0.5 A automotive rectification where leakage and transient immunity are prioritized over raw current headroom.
Availability
PMEG3005EGW-QX is available at Aetrix Electronics and suitable for automotive body control modules, USB-C power delivery systems, and industrial 24 V IoT sensor nodes requiring stable component supply with full traceability and lifecycle support.
Supply support for PMEG3005EGW-QX 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 essential semiconductors - delivering discrete, logic, and MOSFET solutions for automotive, industrial, and consumer markets.
PMEG3005EGW-QX belongs to Nexperia's AEC-Q101-qualified Schottky rectifier product line, engineered specifically for low-VF, high-ruggedness operation in automotive power management and protection circuits.
FAQ
Is PMEG3005EGW-QX suitable for 48 V automotive systems?
No - its 30 V reverse voltage rating is insufficient for 48 V nominal systems, which require ≥65 V VR to accommodate load-dump transients. It is designed for 12 V and 24 V automotive rails where 30 V provides adequate margin with AEC-Q101 stress validation.
What is the thermal impact of mounting without the recommended 1 cm² cathode pad?
Without the 1 cm² copper pad, Rth(j-sp) degrades from 190 K/W to ~290 K/W, reducing maximum allowable IF(AV) by ~35% at 120 °C ambient. Derating curves in Figure 1 confirm thermal limit shifts from 0.5 A to ~0.32 A under those conditions.
Does the "GE" marking code correspond to PMEG3005EGW-QX?
Yes - per Table 4 of the datasheet, the marking code "GE" is assigned exclusively to PMEG3005EGW-QX on the SOD123 body, with the bar indicating the cathode (Pin 1). This matches Nexperia's standardized SOD123 marking convention.
Can PMEG3005EGW-QX replace a standard silicon rectifier in an existing 24 V power supply?
Yes - with identical SOD123 footprint and polarity, it directly substitutes for silicon diodes like 1N4148 or BAS16 in low-current (<0.5 A), high-efficiency roles. However, verify that reduced VF does not cause control-loop instability in feedback-dependent topologies due to altered timing.
PMEG3005EGW-QX 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):
- 30 V
- Current - Average Rectified (Io):
- 500mA
- Voltage - Forward (Vf) (Max) @ If:
- 430 mV @ 500 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 150 µA @ 30 V
- Capacitance @ Vr, F:
- 55pF @ 1V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123
- Operating Temperature - Junction:
- 150°C
PMEG3005EGW-QX FAQ
1.How can I place an order for PMEG3005EGW-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PMEG3005EGW-QX 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 PMEG3005EGW-QX reliable?
The price and inventory of PMEG3005EGW-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PMEG3005EGW-QX is usually 5 days.
3.What payment methods are accepted for PMEG3005EGW-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PMEG3005EGW-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PMEG3005EGW-QX?
PMEG3005EGW-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PMEG3005EGW-QX 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 PMEG3005EGW-QX?
For technical support, including PMEG3005EGW-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PMEG3005EGW-QX requirements.
6.How does Aetrix verify that PMEG3005EGW-QX is sourced from the original manufacturer or authorized distributors?
All PMEG3005EGW-QX 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 PMEG3005EGW-QX meets industry standards.
7.What is the process for return or replacement of PMEG3005EGW-QX?
All PMEG3005EGW-QX units undergo pre-shipment inspection (PSI). If there is an issue with PMEG3005EGW-QX, 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 PMEG3005EGW-QX part is unused and in its original packaging.
Return procedure for PMEG3005EGW-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
PMEG3005EGW-QX Tags
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onsemi
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BAS21LT1G
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