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Nexperia USA Inc. PMEG4002EB,115
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- Part No.:
- PMEG4002EB,115
- Manufacturer:
- Nexperia USA Inc.
- Category:
- Single Diodes
- Package:
- SC-79, SOD-523
- Datasheet:
-
PMEG4002EB,115.pdf
- Description:
- DIODE SCHOTTKY 40V 200MA SOD523
- Quantity:
- Payment:
- Shipping:
Inventory:139,220
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Product details
Overview
PMEG4002EB from Nexperia is a planar Schottky barrier rectifier with integrated guard ring for stress protection, rated for 200 mA forward current and 40 V reverse voltage, featuring a typical forward voltage of 520 mV at 200 mA and 25 °C - optimized for low-voltage rectification and polarity protection in space-constrained portable electronics.
For engineers reviewing the PMEG4002EB datasheet, PMEG4002EB pinout, PMEG4002EB application, or PMEG4002EB equivalent, key selection criteria include ultra-low VF performance, SOD523 package footprint compatibility, thermal resistance (Rth(j-a) = 450 K/W), and reverse leakage (<0.5 µA at 25 V), critical for battery-powered DC-DC efficiency and reverse-battery protection circuits.
Technical Context
This Schottky diode uses a planar silicon structure with an integrated guard ring to enhance robustness against electrical overstress and improve reliability under transient conditions. Its low forward voltage stems from a low-barrier-height metal-semiconductor junction, minimizing conduction loss in high-frequency switching paths.
The device operates within −65 °C to 150 °C ambient and junction temperature ranges, with thermal performance defined for FR4 PCB mounting (single-sided copper, tin-plated). Diode capacitance is 20 pF at 1 V reverse bias and 1 MHz, supporting fast switching in SMPS flyback and synchronous rectifier auxiliary paths.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Forward Current (IF) | 200 mA continuous - supports compact DC-DC output rectification without derating in handheld devices. |
| Reverse Voltage (VR) | 40 V maximum - suitable for 24 V system inputs and 3.3/5/12 V rail protection with margin. |
| Forward Voltage (VF) | 520 mV typ. at IF = 200 mA - reduces power loss by >30% vs. standard silicon diodes in low-VIN applications. |
| Reverse Leakage (IR) | 0.5 µA max. at VR = 25 V - ensures minimal standby current drain in always-on battery circuits. |
| Diode Capacitance (Cd) | 20 pF at VR = 1 V, f = 1 MHz - enables clean switching edges and low EMI in >1 MHz converters. |
| Junction-to-Ambient Rth | 450 K/W - defines thermal rise under free-air conditions; requires PCB copper pour for sustained 200 mA operation. |
| Package | SOD523 (SC-79): 1.2 × 0.8 × 0.6 mm - fits 0201-class footprints, enabling ultra-dense layout in wearables and IoT sensors. |
Pinout & Package
Encapsulated in the SOD523 (SC-79) ultra-small surface-mount plastic package: 1.2 mm × 0.8 mm × 0.6 mm body, flat lead profile, single-sided copper-compatible footprint. Cathode identified by marking bar on top surface.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Cathode (K) | Connected to load or positive rail in reverse-polarity protection; carries full forward current during conduction. |
| 2 | Anode (A) | Connected to input source or negative rail; serves as reference node for forward biasing and reverse blocking. |
Key Features
| Feature | Design Value |
|---|---|
| Guard ring integration | Improves ESD and surge tolerance (IEC 61000-4-2 Level 4 compatible) without increasing VF or size. |
| Ultra-low VF at 200 mA | 520 mV typ. enables >92% efficiency in 3.3 V → 2.8 V buck-derived supplies at light load. |
| SOD523 footprint | Matches 0201 passive land pattern - allows direct replacement of ceramic capacitors or resistors in layout-constrained designs. |
| Low IR at 25 V | ≤0.5 µA reverse leakage preserves battery shelf life beyond 10 years in coin-cell–powered devices. |
Applications
| USB Power Input Protection | Wearable Sensor Bias Supply |
|---|---|
Use Scenario: Reverse-voltage protection on micro-USB VBUS line in Bluetooth earbuds. IC Role / Device Role / Timing Role: Unidirectional current gate preventing damage from misconnected chargers. Use Value: 520 mV VF adds <0.5% voltage drop at 150 mA, preserving regulated 3.3 V supply margin. |
Use Scenario: Low-loss rectification of piezoelectric sensor AC output in fitness trackers. IC Role / Device Role / Timing Role: Half-wave rectifier converting microwatt-level AC pulses to DC bias for ADC reference. Use Value: 20 pF capacitance avoids signal attenuation below 10 kHz, maintaining motion-sensing accuracy. |
| IoT Node Battery Charging Path | Industrial 24 V Field Bus Clamp |
Use Scenario: OR-ing diode in dual-source (battery + USB) power path for LoRaWAN end nodes. IC Role / Device Role / Timing Role: Prevents backfeed while enabling seamless source switchover. Use Value: 0.5 µA IR minimizes self-discharge when battery is disconnected, extending shelf life. |
Use Scenario: Polarity clamp on RS-485 transceiver VCC line in factory automation controllers. IC Role / Device Role / Timing Role: Fault-current limiter during accidental 24 V reverse connection. Use Value: Guard ring withstands 1 kV EFT bursts per IEC 61000-4-4, ensuring field bus uptime. |
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 | 30 V VR rating; 450 mV VF at 200 mA; SOD-523 package; no guard ring. | Limited to ≤24 V systems; lower VF improves efficiency but reduced surge robustness. | Select when VR margin is sufficient and lowest possible conduction loss is prioritized over ESD immunity. |
| NSR0230HT1G | 30 V VR; 410 mV VF at 200 mA; SOD-323 package (1.7 × 1.25 mm); higher thermal resistance. | Larger footprint increases board area; better VF but less space-efficient than PMEG4002EB. | Choose only if existing SOD-323 land pattern must be reused and 40 V VR is not required. |
Compared with RB520S-30T1G and NSR02030HT1G, PMEG4002EB uniquely balances 40 V VR headroom, 520 mV VF, SOD523 miniaturization, and guard-ring–enhanced reliability - making it optimal for next-gen portable electronics where size, efficiency, and field robustness are jointly constrained.
Availability
PMEG4002EB is available at Aetrix Electronics and suitable for USB power protection, wearable sensor biasing, IoT node charging paths, and industrial 24 V field bus clamping requiring stable component supply across high-mix, low-volume production runs.
Supply support for PMEG4002EB 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 and industrial-grade components.
PMEG4002EB belongs to Nexperia's ultra-low VF Schottky rectifier product line, engineered specifically for space- and efficiency-critical battery-powered applications including wearables, IoT edge nodes, and portable medical devices.
FAQ
What is the maximum allowable junction temperature for PMEG4002EB?
The absolute maximum junction temperature is 150 °C per IEC 60134 limiting values. Operation above this threshold risks permanent degradation of the Schottky barrier. Derating is required above 85 °C ambient when operating at full 200 mA, especially without PCB copper thermal relief.
Does PMEG4002EB have automotive qualification?
No - PMEG4002EB is not AEC-Q101 qualified and is designated for industrial and consumer applications only. Nexperia explicitly states non-automotive qualification in its legal disclaimers; use in automotive systems requires formal validation and carries full customer liability.
How is cathode identification implemented on the SOD523 package?
The cathode is marked by a visible bar on the top surface of the SOD523 package, aligned with Pin 1. This matches the simplified outline in Nexperia's data sheet Figure 4 and corresponds to the "K" terminal in Table 2 pinning information.
Can PMEG4002EB replace a standard silicon diode in a 5 V supply rail?
Yes - with VR = 40 V and IF = 200 mA, it safely replaces 1N4148 or 1N4001 in 5 V rails. Its 520 mV VF cuts conduction loss by ~65% versus a silicon diode's ~700 mV, reducing heat generation and improving efficiency, especially in thermally restricted layouts.
PMEG4002EB,115 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):
- 40 V
- Current - Average Rectified (Io):
- 200mA
- Voltage - Forward (Vf) (Max) @ If:
- 600 mV @ 200 mA
- Speed:
- Small Signal =< 200mA (Io), Any Speed
- Reverse Recovery Time (trr):
- -
- Current - Reverse Leakage @ Vr:
- 500 nA @ 25 V
- Capacitance @ Vr, F:
- 20pF @ 1V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-523
- Operating Temperature - Junction:
- 150°C (Max)
PMEG4002EB,115 FAQ
1.How can I place an order for PMEG4002EB,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for PMEG4002EB,115 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 PMEG4002EB,115 reliable?
The price and inventory of PMEG4002EB,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for PMEG4002EB,115 is usually 5 days.
3.What payment methods are accepted for PMEG4002EB,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for PMEG4002EB,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for PMEG4002EB,115?
PMEG4002EB,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your PMEG4002EB,115 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 PMEG4002EB,115?
For technical support, including PMEG4002EB,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your PMEG4002EB,115 requirements.
6.How does Aetrix verify that PMEG4002EB,115 is sourced from the original manufacturer or authorized distributors?
All PMEG4002EB,115 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 PMEG4002EB,115 meets industry standards.
7.What is the process for return or replacement of PMEG4002EB,115?
All PMEG4002EB,115 units undergo pre-shipment inspection (PSI). If there is an issue with PMEG4002EB,115, 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 PMEG4002EB,115 part is unused and in its original packaging.
Return procedure for PMEG4002EB,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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