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Nexperia USA Inc. PMEG2005EB-QX
- Part No.:
- PMEG2005EB-QX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
PMEG2005EB-QX.pdf
- Description:
- PMEG2005EB-Q/SOD523/SC-79
- Quantity:
- Payment:
- Shipping:
Inventory:4,408
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Product details
Overview
PMEG2005EB-QX from Nexperia is a planar Schottky barrier diode in SOD523 (SC-79) package, rated for 20 V reverse voltage and 500 mA forward current, with typical forward voltage of 430–480 mV at 500 mA. It serves as a low-loss rectifier or clamping device in space-constrained, low-power circuits such as USB port protection and battery management in portable electronics.
For engineers reviewing the PMEG2005EB-QX datasheet, PMEG2005EB-QX pinout, PMEG2005EB-QX application, or PMEG2005EB-QX equivalent, key selection criteria include ultra-low VF performance at 500 mA, AEC-Q101 qualification for automotive-grade reliability, guard ring protection for robustness, and thermal resistance of 400 K/W in standard FR4 mounting.
Technical Context
This Schottky diode uses a planar silicon structure with guard ring edge termination to suppress surface leakage and improve reverse breakdown stability. Its low junction capacitance (24–30 pF at 1 V) and fast switching enable use in high-frequency clamping and signal-level protection.
Designed for operation up to 125 °C junction temperature, it delivers stable forward conduction down to 25 °C ambient and supports repetitive peak currents up to 3.5 A (1 ms pulse), making it suitable for transient suppression in DC-DC converter feedback paths and load-dump protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 20 V - Maximum blocking capability without breakdown; sets upper limit for clamping or reverse-polarity protection circuits. |
| Forward Current (IF) | 500 mA continuous - Supports moderate-power rail rectification in compact power supplies and LDO input stages. |
| Forward Voltage (VF) | 430–480 mV @ 500 mA - Enables <100 mW conduction loss at full rated current, critical for battery life in handheld devices. |
| Reverse Current (IR) | 7–30 µA @ 10 V - Low leakage preserves standby power integrity in always-on sensor nodes and real-time clock backup paths. |
| Diode Capacitance (Cd) | 24–30 pF @ 1 V - Minimizes signal distortion in RF detector or high-speed data line clamping applications. |
| Junction-to-Ambient Rth(j-a) | 400 K/W - Requires minimal PCB copper area for thermal management; compatible with single-sided FR4 layouts. |
| Peak Forward Surge (IFSM) | 6 A @ 8 ms - Withstands short-duration inrush or ESD-induced transients in USB and I/O interface protection. |
Pinout & Package
Encapsulated in SOD523 (SC-79) ultra-small surface-mount package: 1.2 mm × 0.8 mm × 0.6 mm body, flat lead configuration with cathode marked by bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Negative terminal; connects to lower potential node; marking bar identifies this pin for correct orientation during placement. |
| 2 | Anode (A) | Positive terminal; accepts forward bias; must be routed to higher potential source or switched node in clamping topology. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive underhood and infotainment applications per stress test requirements for discrete semiconductors. |
| Guard ring protected | Edge termination reduces surface leakage and improves long-term reliability under humid or contaminated board conditions. |
| Ultra-low VF at 500 mA | 430–480 mV enables >95% efficiency in 3.3 V/5 V rail clamping and extends battery runtime in wearables. |
| SOD523 footprint | 1.2 mm × 0.8 mm outline allows placement in dense mobile PCBs where space is constrained below 1 mm² per component. |
| Low Cd (24–30 pF) | Preserves signal integrity in high-speed data lines (e.g., USB 2.0 D+/D−) without adding measurable capacitive loading. |
Applications
| USB Port Protection | Automotive Sensor Interface |
|---|---|
Use Scenario: Clamping ESD transients on USB 2.0 data lines while maintaining signal fidelity. IC Role / Device Role / Timing Role: Bidirectional transient voltage suppressor placed between D+ and D− lines and ground. Use Value: 24–30 pF capacitance avoids signal rise-time degradation; 20 V VR ensures compatibility with USB 5 V VBUS tolerance. |
Use Scenario: Reverse polarity and load-dump protection for 5 V sensor supply rails in ADAS camera modules. IC Role / Device Role / Timing Role: Series rectifier and clamp in 5 V LDO input path to prevent backfeed and absorb 6 A surge pulses. Use Value: AEC-Q101 qualification guarantees operation at 125 °C; 6 A IFSM withstands ISO 7637-2 Pulse 5a load-dump events. |
| Portable Battery Management | Low-Power IoT Node Power Path |
Use Scenario: OR-ing diode in dual-battery backup system for medical wearables requiring uninterrupted 3.3 V supply. IC Role / Device Role / Timing Role: Low-VF series switch enabling seamless switchover between primary and secondary Li-ion cells. Use Value: 430–480 mV VF minimizes voltage drop and self-heating, preserving battery capacity and thermal margin in sealed enclosures. |
Use Scenario: Input rectification for energy-harvesting circuits powering sub-1 µA BLE sensor nodes. IC Role / Device Role / Timing Role: AC-to-DC conversion stage for piezoelectric or solar micro-harvesters feeding supercapacitor storage. Use Value: 7–30 µA IR at 10 V prevents parasitic discharge of stored energy; 500 mA IF accommodates burst transmit loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky diode applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RB520S-40T1G | 40 V VR, 200 mA IF, VF = 370 mV @ 100 mA - higher voltage rating but lower current and different thermal profile. | Preferred in 24 V industrial sensors; unsuitable for 500 mA continuous loads like USB power switches. | Select when reverse voltage margin >20 V is required and average current ≤200 mA. |
| NSR0230HT1G | 30 V VR, 200 mA IF, VF = 450 mV @ 200 mA - similar VF but limited to 200 mA; no AEC-Q101 qualification. | Used in consumer-grade wearables; lacks automotive qualification and surge robustness for vehicle ECUs. | Choose only for cost-sensitive non-automotive designs where 200 mA suffices and qualification is not mandated. |
Compared with RB520S-40T1G and NSR0230HT1G, PMEG2005EB-QX uniquely combines 500 mA current handling, AEC-Q101 qualification, and 20 V/430 mV balance-making it the sole option among the three for automotive-grade, high-current, ultra-low-VF SOD523 applications.
Availability
PMEG2005EB-QX is available at Aetrix Electronics and suitable for USB port protection, automotive sensor interfaces, and portable battery management systems requiring stable component supply across production lifecycles.
Supply support for PMEG2005EB-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 discrete and logic devices, with leadership in automotive-qualified components and advanced packaging.
PMEG2005EB-QX belongs to Nexperia's AEC-Q101-qualified Schottky diode portfolio, engineered specifically for space-constrained, low-loss power management in automotive and portable electronics.
FAQ
Is PMEG2005EB-QX suitable for automotive applications?
Yes. It is fully qualified to AEC-Q101 for discrete semiconductors, tested for temperature cycling, humidity, mechanical shock, and high-temperature operating life. Its 125 °C maximum junction temperature and guard ring design meet underhood and infotainment system requirements.
What is the thermal performance on standard FR4 PCB?
With standard single-sided copper, tin-plated footprint per Nexperia's SOD523 layout, Rth(j-a) is 400 K/W. At 500 mA and 450 mV VF, power dissipation is 225 mW, resulting in ~90 K temperature rise above ambient-well within 125 °C Tj limit at 35 °C ambient.
How does the marking "L5" identify this device?
"L5" is the top-side laser marking code for PMEG2005EB, per Table 4 of the datasheet. The bar adjacent to pin 1 indicates the cathode, enabling unambiguous orientation during automated optical inspection and pick-and-place assembly.
Can PMEG2005EB-QX replace PMEG2005EB in existing designs?
Yes. The "-QX" suffix denotes Aetrix's traceable, automotive-grade sourcing channel with full compliance to the original PMEG2005EB specification-including identical electrical parameters, SOD523 package dimensions, pinout, and AEC-Q101 qualification. No layout or firmware changes are needed.
PMEG2005EB-QX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-79, SOD-523
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 20 V
- Current - Average Rectified (Io):
- 500mA
- Voltage - Forward (Vf) (Max) @ If:
- 480 mV @ 500 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 30 µA @ 10 V
- Capacitance @ Vr, F:
- 24pF @ 1V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
- Operating Temperature - Junction:
- 125°C
PMEG2005EB-QX FAQ
1.How can I place an order for PMEG2005EB-QX through Aetrix?
Please submit a Request for Quotation (RFQ) for PMEG2005EB-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 PMEG2005EB-QX reliable?
The price and inventory of PMEG2005EB-QX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PMEG2005EB-QX is usually 5 days.
3.What payment methods are accepted for PMEG2005EB-QX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PMEG2005EB-QX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PMEG2005EB-QX?
PMEG2005EB-QX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PMEG2005EB-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 PMEG2005EB-QX?
For technical support, including PMEG2005EB-QX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PMEG2005EB-QX requirements.
6.How does Aetrix verify that PMEG2005EB-QX is sourced from the original manufacturer or authorized distributors?
All PMEG2005EB-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 PMEG2005EB-QX meets industry standards.
7.What is the process for return or replacement of PMEG2005EB-QX?
All PMEG2005EB-QX units undergo pre-shipment inspection (PSI). If there is an issue with PMEG2005EB-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 PMEG2005EB-QX part is unused and in its original packaging.
Return procedure for PMEG2005EB-QX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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