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Taiwan Semiconductor Corporation ES2HAH
- Part No.:
- ES2HAH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
ES2HAH.pdf
- Description:
- 35NS, 2A, 500V, SUPER FAST RECOV
- Quantity:
- Payment:
- Shipping:
Inventory:7,666
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Product details
Overview
ES2HAH from Taiwan Semiconductor is a 2 A, 500 V super fast recovery surface-mount rectifier in DO-214AC (SMA) package, featuring 1.70 V forward voltage at 2 A and 35 ns reverse recovery time, used in automotive DC-DC converters and snubber circuits.
For engineers reviewing the ES2HAH datasheet, ES2HAH pinout, ES2HAH application, or ES2HAH equivalent, key selection criteria include its 500 V VRRM rating, AEC-Q101 qualification, glass-passivated junction, moisture sensitivity level 1, and 1.70 V VF at 2 A for high-efficiency switching designs.
Technical Context
The ES2HAH is a single-die, unidirectional silicon rectifier optimized for high-frequency switching applications requiring low conduction loss and rapid turn-off. Its 35 ns trr and 20 pF junction capacitance support operation in 100–500 kHz power stages.
Designed with glass passivation and matte tin-plated leads compliant with J-STD-002, the ES2HAH operates across –55°C to +150°C junction temperature range and meets JESD201 Class 2 whisker resistance and UL 94V-0 flammability requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 500 V - blocks up to 500 V repetitive reverse voltage without breakdown |
| IF | 2 A - continuous average forward current capability at TA = 75°C |
| VF @ 2 A | 1.70 V - forward conduction loss determines thermal rise and efficiency in high-duty-cycle operation |
| trr | 35 ns - enables use in high-frequency SMPS and reduces switching losses in snubber/freewheeling paths |
| RθJA | 75 °C/W - thermal resistance from junction to ambient defines heatsinking needs on standard FR-4 PCB |
| IR @ 125°C | 350 µA - leakage current at elevated temperature impacts standby power in automotive systems |
| Package | DO-214AC (SMA) - industry-standard SMD outline enabling automated placement and reflow compatibility |
Pinout & Package
DO-214AC (SMA) package with axial cathode band marking; two-terminal device with anode and cathode leads formed for surface mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side of load or switch node in freewheeling path |
| Cathode | Forward current exit / reverse blocking terminal | Marked by band; ties to higher-potential rail or switch drain/source in flyback/clamp topologies |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive underhood environments including temperature cycling, humidity, and mechanical shock |
| Glass passivated junction | Enhances long-term reliability and prevents contamination-induced degradation in harsh industrial settings |
| Moisture sensitivity level 1 | Eliminates bake preconditioning before reflow, reducing manufacturing cost and process complexity |
| Super fast 35 ns recovery | Minimizes reverse recovery charge (Qrr), lowering EMI and improving efficiency above 100 kHz switching |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and EU RoHS Directive for environmentally regulated end equipment |
Applications
| Automotive DC-DC Converters | LED Driver Snubbers |
|---|---|
Use Scenario: High-efficiency 12 V to 5 V/3.3 V buck converter in ADAS camera modules. IC Role / Device Role / Timing Role: Output rectifier handling 2 A continuous current with minimal VF-related loss and fast trr to suppress ringing. Use Value: 1.70 V VF and 35 ns trr reduce conduction and switching losses, maintaining >92% efficiency at 300 kHz. | Use Scenario: Snubber network across MOSFETs driving high-brightness automotive LED headlamps. IC Role / Device Role / Timing Role: Fast-recovery clamp diode absorbing inductive kickback during PWM dimming transitions. Use Value: 500 V VRRM withstands transient spikes; 35 ns trr limits voltage overshoot and EMI generation. |
| Freewheeling in Starter Generators | Industrial Power Supply Outputs |
Use Scenario: Freewheeling path in 48 V mild-hybrid starter-generator control units. IC Role / Device Role / Timing Role: Unidirectional current path during MOSFET off-time, conducting peak currents up to 50 A surge. Use Value: 50 A IFSM rating and 150 °C TJ max enable robust operation under repeated cranking surges. | Use Scenario: Secondary-side rectification in isolated 24 V industrial SMPS for PLC I/O modules. IC Role / Device Role / Timing Role: Main output rectifier delivering 2 A continuous load with low thermal resistance (RθJA = 75 °C/W). Use Value: DO-214AC footprint allows compact layout; 20 pF CJ minimizes high-frequency coupling into feedback loop. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH2R06 | 600 V VRRM, 1.85 V VF @ 2 A, 30 ns trr, same DO-214AC package | Higher voltage margin but higher VF increases conduction loss at 500 V nominal operation | Prefer when system requires >550 V derating margin or tighter trr tolerance |
| MBR2505CT | 50 V VRRM, Schottky architecture, 0.55 V VF @ 2 A, no reverse recovery | Not suitable for 500 V blocking; limited to ≤35 V output rails due to low VRRM | Select only for low-voltage, ultra-low-loss applications where 500 V capability is unnecessary |
Compared with STTH2R06, ES2HAH offers lower VF at 500 V operation and better thermal performance; versus MBR2505CT, ES2HAH provides essential 500 V blocking but trades higher VF for voltage capability-critical for automotive and industrial 48–400 V systems.
Availability
ES2HAH is available at Aetrix Electronics and suitable for automotive DC-DC converters, LED lighting drivers, and industrial power supply outputs requiring stable component supply and AEC-Q101 compliance.
Supply support for ES2HAH 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
Taiwan Semiconductor Corporation (TSC) is a vertically integrated analog and discrete semiconductor manufacturer headquartered in Hsinchu, Taiwan, serving automotive, industrial, and consumer markets since 1979.
The ES2xAH series was developed to deliver AEC-Q101-qualified, high-voltage super fast rectifiers for next-generation automotive power conversion and industrial snubbing applications demanding reliability and consistency.
FAQ
What is the maximum repetitive peak reverse voltage (VRRM) rating for ES2HAH?
The ES2HAH has a VRRM rating of 500 V, meaning it can reliably block up to 500 V of repetitive reverse voltage without breakdown. This rating is validated per JEDEC standards and supports use in 400 V nominal bus applications with appropriate design margin. The ES2HAH datasheet confirms this value in the Absolute Maximum Ratings table under the ES2HAH column.
Is ES2HAH qualified for automotive applications?
Yes, ES2HAH is AEC-Q101 qualified, having passed stress tests including temperature cycling, high-temperature operating life, and unbiased highly accelerated stress testing. This qualification makes ES2HAH suitable for under-hood automotive systems such as body control modules and ADAS power supplies where reliability under thermal and mechanical stress is critical.
What is the forward voltage drop of ES2HAH at rated current?
The ES2HAH exhibits a typical forward voltage (VF) of 1.70 V at 2 A and 25°C junction temperature, as specified in the Electrical Specifications table. This VF value directly impacts conduction loss and thermal design-e.g., at 2 A, conduction loss is ~3.4 W, requiring attention to PCB copper area and ambient temperature limits.
Does ES2HAH have a defined reverse recovery time (trr)?
Yes, ES2HAH has a maximum reverse recovery time (trr) of 35 ns, measured under IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A conditions. This fast trr enables efficient operation in high-frequency switching topologies like active clamp flyback and synchronous rectifier auxiliary paths, minimizing switching loss and voltage overshoot.
What package type does ES2HAH use, and is it compatible with standard SMT processes?
ES2HAH uses the DO-214AC (SMA) surface-mount package, with matte tin-plated leads solderable per J-STD-002 and moisture sensitivity level 1 per J-STD-020. Its low-profile form factor and standardized footprint ensure full compatibility with automated pick-and-place and reflow soldering processes without preconditioning.
ES2HAH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AC, SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 500 V
- Current - Average Rectified (Io):
- 2A
- Voltage - Forward (Vf) (Max) @ If:
- 1.7 V @ 2 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 35 ns
- Current - Reverse Leakage @ Vr:
- 10 µA @ 500 V
- Capacitance @ Vr, F:
- 20pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
- Operating Temperature - Junction:
- -55°C ~ 150°C
ES2HAH FAQ
1.How can I place an order for ES2HAH through Aetrix?
Please submit a Request for Quotation (RFQ) for ES2HAH 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 ES2HAH reliable?
The price and inventory of ES2HAH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ES2HAH is usually 5 days.
3.What payment methods are accepted for ES2HAH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ES2HAH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ES2HAH?
ES2HAH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ES2HAH 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 ES2HAH?
For technical support, including ES2HAH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ES2HAH requirements.
6.How does Aetrix verify that ES2HAH is sourced from the original manufacturer or authorized distributors?
All ES2HAH 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 ES2HAH meets industry standards.
7.What is the process for return or replacement of ES2HAH?
All ES2HAH units undergo pre-shipment inspection (PSI). If there is an issue with ES2HAH, 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 ES2HAH part is unused and in its original packaging.
Return procedure for ES2HAH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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