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Nexperia USA Inc. PMEG45T10EXDX
- Part No.:
- PMEG45T10EXDX
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- 2-SMD, Flat Leads
- Datasheet:
-
PMEG45T10EXDX.pdf
- Description:
- DIODE SCHOTTKY 45V 1A SOD323HP
- Quantity:
- Payment:
- Shipping:
Inventory:498
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Product details
Overview
PMEG45T10EXDX from Nexperia is a 45 V, 1 A Trench MEGA Schottky barrier rectifier in CFP2-HP (SOD323HP) package, designed for high-efficiency DC-to-DC conversion and freewheeling paths where low forward voltage (450–520 mV @ 1 A, 25 °C), ultra-low reverse recovery charge (2 nC), and low leakage current (3–20 µA @ 45 V, 25 °C) are critical. It serves as a unidirectional power switch in compact SMD power supplies and OR-ing circuits.
For engineers reviewing the PMEG45T10EXDX datasheet, PMEG45T10EXDX pinout, PMEG45T10EXDX application, or PMEG45T10EXDX equivalent, this device is selected for low-loss, high-frequency rectification in space-constrained industrial and consumer power stages requiring thermal robustness up to 175 °C junction temperature and stable performance across -40 °C to 150 °C operating range.
Technical Context
This Schottky rectifier uses trench-based silicon architecture to minimize VF and Qrr simultaneously-enabling efficient operation at switching frequencies beyond 1 MHz. Its clip-bonded construction and exposed cathode heatsink pad reduce Rth(j-sp) to 6 K/W, directly linking junction to PCB copper for dynamic thermal management.
The device exhibits no minority-carrier storage, delivering step-recovery trr of 4.5 ns and ramp-recovery trr of 8 ns under defined test conditions. Its diode capacitance (130 pF @ 4 V, 1 MHz) and low IRM (0.36 A) support fast transient response in synchronous buck freewheeling and reverse polarity protection topologies.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Reverse Voltage | 45 V - supports input rails up to 36 V nominal with 25 % safety margin in 48 V system derivatives |
| Avg Forward Current | 1 A @ δ = 0.5, 20 kHz square wave, Tsp ≤ 172 °C - enables continuous conduction mode operation in small-footprint DC/DC converters |
| Forward Voltage | 450–520 mV @ IF = 1 A, pulsed, 25 °C - reduces conduction loss by >30 % vs. standard Schottkys in 1 A load paths |
| Reverse Recovery Charge | 2 nC @ dIF/dt = 100 A/µs, VR = 30 V, 25 °C - minimizes switching loss and EMI in high-dV/dt environments |
| Thermal Resistance j-sp | 6 K/W - achieved via solderable cathode tab; allows 1.2 W dissipation with 1 cm² copper pad at Tamb ≤ 25 °C |
| Leakage Current | 3–20 µA @ VR = 45 V, 25 °C - ensures low standby power in battery-backed OR-ing and reverse protection |
| Junction Temperature | 175 °C max - supports operation in sealed enclosures or high-ambient industrial environments without derating |
Pinout & Package
Encapsulated in CFP2-HP (SOD323HP): 2.2 mm × 1.3 mm × 0.68 mm body with exposed cathode thermal pad; surface-mount plastic package optimized for reflow soldering and thermal transfer to PCB copper.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Main power return path and primary thermal interface; soldered to ≥1 cm² copper for optimal heat extraction |
| 2 | Anode (A) | Input-side terminal; carries full forward current and withstands 45 V reverse bias during off-state |
Key Features
| Feature | Design Value |
|---|---|
| Trench MEGA Schottky architecture | Enables simultaneous low VF (450 mV typ.) and low Qrr (2 nC) - critical for high-frequency, high-efficiency rectification |
| Clip-bonded construction | Increases current handling to 1.4 A DC and improves thermal reliability vs. wire-bonded equivalents |
| Exposed cathode heatsink pad | Reduces Rth(j-sp) to 6 K/W - delivers 2× higher power density than standard SOD323 packages |
| Low IRM (0.36 A) | Minimizes voltage overshoot during reverse recovery - reduces snubber requirements in flyback/freewheeling designs |
| Wide operating temperature | Functional from -40 °C to +150 °C junction - supports automotive cabin, industrial control, and outdoor power applications |
Applications
| High-Efficiency DC/DC Converters | Switch-Mode Power Supplies |
|---|---|
Use Scenario: Secondary-side synchronous rectification in 12 V → 5 V/3.3 V buck converters for FPGA and SoC power rails. IC Role / Device Role / Timing Role: Low-VF freewheeling diode replacing MOSFET gate drive complexity in cost-sensitive designs. Use Value: 450 mV VF cuts conduction loss by 0.45 W vs. 1 V diode at 1 A, improving efficiency by >2 % at light loads. |
Use Scenario: Output rectification in AC/DC adapters and USB PD chargers with <10 mm height constraints. IC Role / Device Role / Timing Role: Fast-recovery output diode enabling >500 kHz switching without excessive EMI or ringing. Use Value: 4.5 ns trr and 2 nC Qrr suppress voltage spikes across transformer secondary, reducing need for RC snubbers. |
| Reverse Polarity Protection | OR-ing Circuits |
Use Scenario: Input protection for 24 V industrial sensors and PLC I/O modules powered from external supplies. IC Role / Device Role / Timing Role: Series-connected anode-to-input Schottky blocking reverse current during miswiring. Use Value: 3 µA max IR at 25 °C ensures <1 µW standby loss - preserves battery life in always-on field devices. |
Use Scenario: Redundant 12 V power rail combining from dual hot-swap controllers in telecom line cards. IC Role / Device Role / Timing Role: Low-VF, low-Qrr diode enabling seamless switchover with <100 ns dead time. Use Value: 520 mV max VF limits voltage drop to <6 mV per 100 mA load, minimizing bus droop during transition. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar Schottky rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| RB055LAM-40TR | 40 V VR, 0.5 A IF(AV), VF = 420 mV @ 0.5 A - lower voltage/current rating, smaller SOD-523 footprint | Suitable only for ≤36 V input, ≤500 mA loads; lacks clip bonding and thermal pad | Select when board space is <1.6 mm² and thermal demand is minimal |
| SS14-HF | 40 V VR, 1 A IF(AV), VF = 550 mV @ 1 A - standard planar Schottky, no trench, Qrr = 10 nC | Higher conduction and switching loss; requires larger heatsinking in 1 A continuous use | Select when cost is primary constraint and efficiency >92 % is not required |
Compared with RB055LAM-40TR and SS14-HF, PMEG45T10EXDX delivers superior thermal performance (6 K/W vs. >30 K/W), higher voltage margin (45 V vs. 40 V), and lower Qrr (2 nC vs. ≥10 nC), making it the preferred choice for thermally dense, high-efficiency 1 A power rails.
Availability
PMEG45T10EXDX is available at Aetrix Electronics and suitable for high-efficiency DC-to-DC conversion, switch-mode power supplies, and reverse polarity protection requiring stable component supply, consistent parametric performance, and long-term industrial lifecycle support.
Supply support for PMEG45T10EXDX 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 advanced Schottky, MOSFET, and ESD protection technologies.
This device belongs to Nexperia's Trench MEGA Schottky rectifier product line, engineered specifically for high-frequency, high-efficiency power conversion in space-constrained industrial and consumer applications.
FAQ
What is the maximum allowable solder point temperature for PMEG45T10EXDX during reflow?
The device is qualified for standard lead-free reflow profiles with peak temperature up to 260 °C for ≤30 seconds. The cathode solder pad must be thermally anchored to ≥1 cm² copper to maintain Tsp ≤ 172 °C under 1 A average current, as specified in limiting values. Exceeding this risks permanent degradation of clip bond integrity.
Can PMEG45T10EXDX be used in automotive applications?
No-PMEG45T10EXDX is not AEC-Q200 qualified and lacks automotive-grade screening, traceability, or extended temperature validation beyond 175 °C junction. Nexperia explicitly states non-automotive qualification in its legal disclaimers; use in automotive systems voids warranty and introduces reliability risk.
How does the CFP2-HP package improve thermal performance over standard SOD323?
The CFP2-HP package features an exposed cathode metal pad that provides direct thermal conduction to PCB copper, achieving Rth(j-sp) = 6 K/W-five times better than typical SOD323 (≈30 K/W). This allows 1.2 W power dissipation at 25 °C ambient versus ~0.25 W for standard variants, enabling higher current density in same footprint.
Is there a recommended PCB footprint for optimal thermal performance?
Yes-Nexperia specifies a 1.4 mm × 1.6 mm solder land for the cathode pad with 0.1 mm stencil thickness (Fig. 19). A minimum 1 cm² copper pour connected to this pad via ≥4 thermal vias (0.3 mm diameter, 0.8 mm pitch) is required to achieve rated 1 A average current and 6 K/W Rth(j-sp).
PMEG45T10EXDX Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- -
- Package/Case:
- 2-SMD, Flat Leads
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Schottky
- Voltage - DC Reverse (Vr) (Max):
- 45 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 520 mV @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 8 ns
- Current - Reverse Leakage @ Vr:
- 20 µA @ 45 V
- Capacitance @ Vr, F:
- 80pF @ 10V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD323HP
- Operating Temperature - Junction:
- 175°C
PMEG45T10EXDX FAQ
1.How can I place an order for PMEG45T10EXDX through Aetrix?
Please submit a Request for Quotation (RFQ) for PMEG45T10EXDX 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 PMEG45T10EXDX reliable?
The price and inventory of PMEG45T10EXDX are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PMEG45T10EXDX is usually 5 days.
3.What payment methods are accepted for PMEG45T10EXDX?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PMEG45T10EXDX transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PMEG45T10EXDX?
PMEG45T10EXDX orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PMEG45T10EXDX 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 PMEG45T10EXDX?
For technical support, including PMEG45T10EXDX datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PMEG45T10EXDX requirements.
6.How does Aetrix verify that PMEG45T10EXDX is sourced from the original manufacturer or authorized distributors?
All PMEG45T10EXDX 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 PMEG45T10EXDX meets industry standards.
7.What is the process for return or replacement of PMEG45T10EXDX?
All PMEG45T10EXDX units undergo pre-shipment inspection (PSI). If there is an issue with PMEG45T10EXDX, 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 PMEG45T10EXDX part is unused and in its original packaging.
Return procedure for PMEG45T10EXDX:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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