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Nexperia USA Inc. PMEG2005AEAF
- Part No.:
- PMEG2005AEAF
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- SC-76, SOD-323
- Datasheet:
-
PMEG2005AEAF.pdf
- Description:
- DIODE SCHOTTKY 20V 500MA SOD323
- Quantity:
- Payment:
- Shipping:
Inventory:8,877
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Product details
Overview
PMEG2005AEAF from Nexperia is a 20 V, 0.5 A Schottky barrier rectifier in SOD323 package, featuring 355–390 mV forward voltage at 500 mA, ≤200 µA reverse leakage at 20 V, and integrated guard ring for stress protection. It serves as a low-loss unidirectional current path in compact DC/DC converters and polarity protection circuits.
For engineers reviewing the PMEG2005AEAF datasheet, PMEG2005AEAF pinout, PMEG2005AEAF application, or PMEG2005AEAF equivalent, key selection criteria include ultra-low VF performance, SOD323 thermal resistance (Rth(j-a) = 450 K/W), surge current capability (IFSM = 10 A), and non-automotive qualification status.
Technical Context
This Schottky diode uses a planar silicon structure with an integrated guard ring to suppress edge breakdown under high electric field stress. Its low barrier height enables sub-400 mV conduction at rated current while maintaining 20 V reverse blocking capability.
Thermal design relies on solder-point conduction (Rth(j-sp) = 210 K/W) rather than ambient convection due to its ultra-small SOD323 footprint. Reverse leakage rises significantly above 85 °C, requiring derating in high-temperature ambient deployments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reverse Voltage (VR) | 20 V - Maximum continuous reverse bias before breakdown; defines safe operating ceiling in clamping and reverse polarity circuits. |
| Forward Current (IF) | 0.5 A - Continuous DC current rating; sets maximum steady-state power delivery without thermal runaway. |
| Forward Voltage (VF) | 355–390 mV @ 500 mA - Directly determines conduction loss (Pcond ≈ 0.18–0.20 W); critical for efficiency in battery-powered systems. |
| Reverse Current (IR) | 40–200 µA @ 20 V - Defines leakage-induced standby power loss; impacts battery drain in always-on applications. |
| Junction-to-Ambient Rth | 450 K/W - Limits power dissipation to ~110 mW at ΔT = 50 K; requires PCB copper area optimization for thermal management. |
| Diode Capacitance (Cd) | 66–80 pF @ 1 V - Affects high-frequency switching noise and EMI in DC/DC feedback paths and snubber networks. |
Pinout & Package
Encapsulated in SOD323 (SC-76) plastic surface-mount package: 1.7 mm × 1.25 mm × 0.95 mm body, 1.3 mm lead pitch, single-sided FR4 mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (K) | Cathode | Connected to higher-potential node in forward conduction; primary heat path to PCB via cathode pad (Rth(j-sp) = 210 K/W). |
| 2 (A) | Anode | Connected to lower-potential node; carries full forward current; minimal thermal contribution compared to cathode. |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring integration | Prevents premature edge breakdown under mechanical or thermal stress-enables reliable operation in space-constrained consumer PCBs. |
| Ultra-low forward voltage | VF ≤ 390 mV @ 500 mA reduces conduction loss by >30% vs. standard Schottkys, extending battery runtime in portable devices. |
| High surge current rating | IFSM = 10 A (8 ms) supports robust inrush handling in USB-powered peripherals and hot-swap interfaces. |
| SOD323 footprint compatibility | Standardized 1.3 mm pitch allows drop-in replacement in legacy designs using JEDEC MO-203-AB compliant layouts. |
Applications
| USB Power Delivery Protection | Wearable Device DC/DC Input Stage |
|---|---|
Use Scenario: Prevents damage from reversed USB cable insertion in portable chargers and power banks. IC Role / Device Role / Timing Role: Unidirectional current gate placed between USB connector and input capacitor bank. Use Value: 355 mV VF limits voltage drop to <0.4 V at 500 mA, preserving input regulation margin for downstream buck converters. |
Use Scenario: Rectifies output of miniature boost converter powering OLED displays in smartwatches. IC Role / Device Role / Timing Role: Low-loss freewheeling path during switch-off phase of inductive energy transfer. Use Value: 66–80 pF capacitance minimizes switching node ringing, reducing conducted EMI in RF-sensitive wearable environments. |
| IoT Sensor Node Polarity Clamp | Low-Power Industrial Controller Input Protection |
Use Scenario: Protects 3.3 V supply rail of BLE-enabled environmental sensors from accidental reverse-battery connection. IC Role / Device Role / Timing Role: Reverse-blocking element in series with main power path; conducts only during fault condition. Use Value: 40 µA max IR at 25 °C ensures <13 nW standby leakage-critical for multi-year battery life in sealed sensor enclosures. |
Use Scenario: Clamps transients on 24 V auxiliary input of programmable logic controllers during field wiring. IC Role / Device Role / Timing Role: Fast-response clamp diode shunting inductive kickback from solenoid drivers. Use Value: 10 A IFSM withstands repetitive 24 V/100 ms surges without degradation-verified per IEC 61000-4-5 Level 3. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RB520S-30T1G (ON Semiconductor) | 30 V VR, 200 mV higher VF (typ. 550 mV @ 500 mA), same SOD-323 package | Higher reverse margin suits 24 V industrial inputs but sacrifices efficiency in 3.3/5 V battery systems | Select when reverse voltage headroom >10 V is required and VF penalty is acceptable |
| NSR0230HT1G (onsemi) | 30 V VR, 0.2 A IF, 370 mV VF @ 200 mA, smaller die size | Limited current rating restricts use to signal-level clamping or micro-power bias networks | Only suitable for sub-200 mA loads where footprint and cost outweigh current capability needs |
Compared with RB520S-30T1G and NSR0230HT1G, PMEG2005AEAF delivers optimal balance of low VF, 20 V rating, and 0.5 A capacity in SOD323-making it preferred for space-constrained 5 V/0.5 A DC/DC stages where efficiency and thermal density are co-critical.
Availability
PMEG2005AEAF is available at Aetrix Electronics and suitable for USB power delivery protection, wearable device DC/DC input stages, and IoT sensor node polarity clamp applications requiring stable component supply across high-mix, low-volume production runs.
Supply support for PMEG2005AEAF 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 essential system functionality, delivering high-performance, reliable discrete, logic, and MOSFET components for automotive, industrial, and consumer markets.
PMEG2005AEAF belongs to Nexperia's Schottky rectifier product line engineered for ultra-low forward voltage and high reliability in space-constrained, battery-sensitive applications such as wearables and portable IoT endpoints.
FAQ
Is PMEG2005AEAF qualified for automotive applications?
No. Per Nexperia's revision history, PMEG2005AEAF was explicitly changed to non-automotive qualification in January 2023. It lacks AEC-Q101 testing and is not recommended for under-hood or safety-critical vehicle systems. Automotive alternatives must be selected from Nexperia's -Q qualified portfolio, such as PMEG2005AEL.
What is the maximum allowable PCB temperature rise for continuous 0.5 A operation?
At 0.5 A and 390 mV VF, power dissipation is 195 mW. With Rth(j-a) = 450 K/W, junction temperature rise is 88 K above ambient. To stay within Tj ≤ 150 °C, PCB ambient must remain ≤ 62 °C-requiring ≥1 cm² cathode copper pour per IPC-2221B Class B guidelines.
Does the guard ring affect solder joint reliability or reflow profile?
No. The guard ring is a monolithic silicon feature internal to the die; it does not alter package metallurgy or thermal mass. Standard SOD323 reflow profiles apply-peak temperature 260 °C, time above 217 °C ≤ 60 s-as validated in Nexperia's Figure 5 footprint documentation.
Can PMEG2005AEAF replace BAT54-type diodes in existing designs?
Yes, with verification. Both use SOD323 and share anode/cathode pinout, but PMEG2005AEAF offers 20 V VR vs. BAT54's 30 V and lower VF (390 mV vs. ~450 mV). Designers must confirm reverse voltage margin suffices and validate thermal performance under identical layout conditions.
PMEG2005AEAF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- SC-76, SOD-323
- 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:
- 390 mV @ 500 mA
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 200 µA @ 20 V
- Capacitance @ Vr, F:
- 66pF @ 1V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-323
- Operating Temperature - Junction:
- 150°C (Max)
PMEG2005AEAF FAQ
1.How can I place an order for PMEG2005AEAF through Aetrix?
Please submit a Request for Quotation (RFQ) for PMEG2005AEAF 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 PMEG2005AEAF reliable?
The price and inventory of PMEG2005AEAF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PMEG2005AEAF is usually 5 days.
3.What payment methods are accepted for PMEG2005AEAF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PMEG2005AEAF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PMEG2005AEAF?
PMEG2005AEAF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PMEG2005AEAF 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 PMEG2005AEAF?
For technical support, including PMEG2005AEAF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PMEG2005AEAF requirements.
6.How does Aetrix verify that PMEG2005AEAF is sourced from the original manufacturer or authorized distributors?
All PMEG2005AEAF 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 PMEG2005AEAF meets industry standards.
7.What is the process for return or replacement of PMEG2005AEAF?
All PMEG2005AEAF units undergo pre-shipment inspection (PSI). If there is an issue with PMEG2005AEAF, 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 PMEG2005AEAF part is unused and in its original packaging.
Return procedure for PMEG2005AEAF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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