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Diodes Incorporated ES2A-13-F
- Part No.:
- ES2A-13-F
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AA, SMB
- Datasheet:
-
ES2A-13-F.pdf
- Description:
- DIODE GEN PURP 50V 2A SMB
- Quantity:
- Payment:
- Shipping:
Inventory:4,201
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Product details
Overview
ES2A-13-F from Diodes Incorporated is a 2.0A, 50V super-fast surface-mount rectifier diode in SMB package, featuring 25 ns reverse recovery time, 0.92 V forward voltage at 2.0 A, and 50 A non-repetitive surge rating - used in high-frequency AC/DC converters and switch-mode power supplies.
For engineers reviewing the ES2A-13-F datasheet, ES2A-13-F pinout, ES2A-13-F application, or ES2A-13-F equivalent, key selection criteria include reverse recovery time, thermal resistance (20 °C/W), peak repetitive reverse voltage (50 V), average forward current derating curve, and RoHS-compliant lead-free plating.
Technical Context
This SMB-packaged super-fast rectifier uses glass-passivated die construction to achieve stable junction performance under thermal cycling. Its 25 ns trr enables operation in 100–500 kHz SMPS topologies where conventional fast recovery diodes exhibit excessive switching loss.
The device supports automated assembly with moisture sensitivity level 1 (J-STD-020) and features cathode band polarity marking. Thermal resistance of 20 °C/W is measured with 5.0 mm² copper pad heat sinking - critical for maintaining TJ ≤ 110°C at full 2.0 A IO.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 50 V - maximum repetitive reverse voltage before avalanche breakdown; sets upper limit for bridge or output rectification in ≤24 V input systems |
| IO @ TT=110°C | 2.0 A - continuous average forward current with terminal temperature limited to 110°C; defines usable DC output capability in thermally constrained layouts |
| VFM @ IF=2.0A | 0.92 V - forward voltage drop at rated current; determines conduction loss (1.84 W) and thermal load in high-duty-cycle operation |
| trr | 25 ns - reverse recovery time measured at IF=0.5A, IR=1.0A, Irr=0.25A; enables efficient operation in >200 kHz switching converters |
| RθJT | 20 °C/W - junction-to-terminal thermal resistance with specified PCB copper pad; used to calculate ΔTJ from power dissipation in layout design |
| IFSM | 50 A - non-repetitive surge current rating for 8.3 ms half-sine wave; supports inrush current handling in offline input stages |
| IRM @ 125°C | 350 μA - peak reverse leakage at elevated temperature; impacts standby power in high-temperature environments |
Pinout & Package
SMB (Surface Mount Body) package: molded plastic case per UL 94V-0, cathode band polarity marking, matte tin-plated terminals, 0.093 g weight, moisture sensitivity level 1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to AC source or transformer secondary; must withstand peak inverse voltage during off-state |
| Cathode | Forward current exit point | Connected to output capacitor or load; marked by visible band; carries full output current and switching transients |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Enhances long-term reliability and humidity resistance without hermetic sealing - critical for industrial outdoor deployments |
| Super-fast 25 ns recovery | Reduces reverse recovery charge (Qrr) and associated switching losses in high-frequency flyback and LLC resonant converters |
| 50 A surge rating | Withstands cold-start inrush and line-transient overloads without degradation - eliminates need for external fusing in many 24 V systems |
| Lead-free & halogen-free | Meets RoHS Directive 2002/95/EC and JEDEC JS709B green compound requirements - supports global environmental compliance programs |
Applications
| AC/DC Adapter Output Rectification | USB PD Power Delivery Front-End |
|---|---|
Use Scenario: Secondary-side rectification in compact 5–65 W offline adapters powering consumer electronics. IC Role / Device Role / Timing Role: Super-fast discrete rectifier replacing slower FR107 or UF4007 types to reduce EMI and improve efficiency. Use Value: 25 ns trr minimizes switching node ringing and allows smaller EMI filters; 0.92 V VF lowers conduction loss at 2 A output. | Use Scenario: Input rectification stage in USB PD 3.0 compliant 20 V/3 A power bricks. IC Role / Device Role / Timing Role: High-current, low-loss rectifier in active-clamp forward or asymmetrical half-bridge topologies. Use Value: 50 A IFSM handles 100% load step transients; SMB footprint enables dense PCB layout without thermal derating penalties. |
| Industrial PLC Power Supply | LED Driver Secondary Rectification |
Use Scenario: 24 V DC power rail generation in DIN-rail mounted programmable logic controllers. IC Role / Device Role / Timing Role: Main output rectifier in isolated 24 V/2 A flyback converter operating continuously at 60°C ambient. Use Value: RθJT = 20 °C/W ensures junction stays below 125°C with minimal copper area; 350 μA IRM at 125°C limits standby leakage. | Use Scenario: Constant-current LED driver output stage delivering 350 mA–1.5 A to high-brightness LED strings. IC Role / Device Role / Timing Role: Low-VF, fast-recovery rectifier in buck-derived constant-current topologies with PWM dimming. Use Value: 0.92 V VF improves system efficiency above 90%; 25 ns trr prevents false triggering of PWM control ICs during fast turn-off. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super-fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH2R06S | 600 V VRRM, 2.0 A IO, 35 ns trr, TO-277 package | Higher voltage rating suits 48 V telecom systems; larger thermal mass but no SMB footprint compatibility | Select when ≥400 V blocking required; not drop-in due to different package and pinout |
| ON Semi MUR220 | 200 V VRRM, 2.0 A IO, 35 ns trr, SMA package | Same current rating but higher VF (0.95 V) and slower recovery; SMA footprint differs from SMB | Acceptable for lower-frequency designs where 25 ns advantage is unused; requires PCB redesign |
Compared with STTH2R06S and MUR220, ES2A-13-F delivers optimal balance of low VF, ultrafast trr, and SMB package density for ≤50 V, high-efficiency SMPS - making it preferred for space-constrained 24 V/48 V adapter and industrial power designs.
Availability
ES2A-13-F is available at Aetrix Electronics and suitable for AC/DC adapters, USB PD power bricks, and industrial PLC power supplies requiring stable component supply, consistent parametric performance, and RoHS-compliant manufacturing.
Supply support for ES2A-13-F 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, serving automotive, industrial, computing, and consumer markets with high-reliability components.
The ES2x series belongs to Diodes' super-fast rectifier product line, engineered specifically for high-frequency switching power conversion where low forward voltage and nanosecond-scale recovery are essential for efficiency and EMI control.
FAQ
What is the maximum allowable junction temperature for ES2A-13-F?
The absolute maximum junction temperature is +150°C, but the device is rated for 2.0 A average forward current only up to a terminal temperature of 110°C. Operation beyond this requires derating per Figure 1 in DS14002 - at 125°C terminal temperature, IO drops to approximately 1.6 A.
Does ES2A-13-F have a built-in thermal shutdown function?
No, ES2A-13-F is a passive silicon rectifier diode with no integrated thermal protection circuitry. Safe operation depends entirely on external thermal design - including PCB copper area, airflow, and ambient temperature - to maintain TJ within its 150°C absolute maximum rating.
Can ES2A-13-F be used in place of a Schottky diode?
Only in applications where 0.92 V forward voltage and 50 V blocking are acceptable. Unlike Schottkys, ES2A-13-F has higher VF and exhibits minority-carrier reverse recovery (25 ns), making it unsuitable for ultra-low-VF or sub-10 ns trr requirements - but advantageous where higher temperature stability and lower leakage are needed.
Is the cathode band orientation standardized across all SMB-packaged diodes?
Yes - for ES2A-13-F and all Diodes Incorporated SMB diodes, the cathode is marked by a single band at the end of the body, aligned with the cathode terminal (pin 2). This matches JEDEC standard MO-178AB and is consistent with industry-wide SMB polarity conventions.
ES2A-13-F Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AA, SMB
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 50 V
- Current - Average Rectified (Io):
- 2A
- Voltage - Forward (Vf) (Max) @ If:
- 920 mV @ 2 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 25 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 50 V
- Capacitance @ Vr, F:
- 25pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMB
- Operating Temperature - Junction:
- -55°C ~ 150°C
ES2A-13-F FAQ
1.How can I place an order for ES2A-13-F through Aetrix?
Please submit a Request for Quotation (RFQ) for ES2A-13-F 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 ES2A-13-F reliable?
The price and inventory of ES2A-13-F are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ES2A-13-F is usually 5 days.
3.What payment methods are accepted for ES2A-13-F?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ES2A-13-F transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ES2A-13-F?
ES2A-13-F orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ES2A-13-F 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 ES2A-13-F?
For technical support, including ES2A-13-F datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ES2A-13-F requirements.
6.How does Aetrix verify that ES2A-13-F is sourced from the original manufacturer or authorized distributors?
All ES2A-13-F 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 ES2A-13-F meets industry standards.
7.What is the process for return or replacement of ES2A-13-F?
All ES2A-13-F units undergo pre-shipment inspection (PSI). If there is an issue with ES2A-13-F, 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 ES2A-13-F part is unused and in its original packaging.
Return procedure for ES2A-13-F:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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