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Taiwan Semiconductor Corporation ES2BFSH
- Part No.:
- ES2BFSH
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- SOD-128
- Datasheet:
-
ES2BFSH.pdf
- Description:
- 35NS, 2A, 100V, SUPER FAST RECOV
- Quantity:
- Payment:
- Shipping:
Inventory:13,900
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Product details
Overview
ES2BFSH from Taiwan Semiconductor is a 2 A, 100 V super fast surface-mount rectifier in SOD-128 package, featuring 35 ns reverse recovery time, 0.88 V forward voltage at 2 A/25°C, and AEC-Q101 qualification for automotive use in snubber and freewheeling circuits.
For engineers reviewing the ES2BFSH datasheet, ES2BFSH pinout, ES2BFSH application, or ES2BFSH equivalent, key selection criteria include repetitive peak reverse voltage (100 V), surge current rating (50 A), junction temperature range (–55°C to +150°C), thermal resistance (RθJL = 24°C/W), and RoHS/halogen-free compliance.
Technical Context
The ES2BFSH employs a single-die, glass-passivated silicon junction optimized for high-speed switching with low forward conduction loss and minimal reverse recovery charge. Its 35 ns trr and 28 pF junction capacitance support efficient operation in DC/DC converters up to several hundred kHz.
Designed for surface-mount assembly on standard PCBs with 5 mm × 5 mm copper pads, the device delivers RθJA = 72°C/W and RθJC = 14°C/W under defined test conditions, enabling reliable thermal management in space-constrained automotive and industrial power stages.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| IF | 2 A continuous forward current - supports sustained load handling in compact power supplies |
| VRRM | 100 V repetitive peak reverse voltage - suitable for 12 V/24 V automotive bus clamping and flyback secondary rectification |
| trr | 35 ns maximum reverse recovery time - enables high-frequency switching with reduced switching loss and EMI |
| VF @ 2A/25°C | 0.88 V typical - lowers conduction loss vs. standard fast rectifiers, improving efficiency in 2 A-class converters |
| RθJL | 24°C/W junction-to-lead - allows direct thermal path to PCB copper, simplifying heatsinking in SMT layouts |
| IR @ 100V/125°C | 25 µA maximum - ensures low leakage in high-temperature automotive environments |
Pinout & Package
Package: SOD-128 - low-profile, surface-mount plastic package with matte tin-plated leads, moisture sensitivity level 1, and UL 94V-0 rated molding compound. Polarity indicated by cathode band.
| 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 transformer secondary in rectification |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q101 qualified | Validated for automotive-grade reliability including temperature cycling, HTRB, and ESD per JESD22 |
| Glass passivated junction | Enhances humidity resistance and long-term stability of reverse leakage and breakdown characteristics |
| Low profile SOD-128 | 1.1 mm max height enables use in ultra-thin power modules and dense PCB layouts |
| Halogen-free & RoHS compliant | Meets IEC 61249-2-21 and EU RoHS Directive 2011/65/EU for environmentally regulated end equipment |
Applications
| Automotive Power Supplies | DC/DC Converter Secondary Rectification |
|---|---|
Use Scenario: 12 V battery-fed buck-derived auxiliary power supply in engine control units. IC Role / Device Role / Timing Role: Freewheeling diode providing current path during high-side MOSFET off-time. Use Value: 35 ns trr minimizes voltage overshoot and reduces snubber losses compared to standard rectifiers. | Use Scenario: Isolated 5 V/3 A output stage in 48 V–12 V bidirectional DC/DC converter. IC Role / Device Role / Timing Role: Output rectifier conducting during transformer secondary positive half-cycle. Use Value: 0.88 V VF at 2 A lowers conduction loss by ~15% versus comparable 1.1 V devices, improving full-load efficiency. |
| Snubber Networks | Industrial Motor Drive Clamping |
Use Scenario: RCD snubber across IGBT collector-emitter in 1 kW variable frequency drive. IC Role / Device Role / Timing Role: Fast recovery path for snubber capacitor discharge during switching transitions. Use Value: 50 A IFSM withstands repeated surge currents without degradation, ensuring snubber reliability over lifetime. | Use Scenario: Overvoltage clamp on 24 V logic supply rail feeding servo amplifier feedback circuitry. IC Role / Device Role / Timing Role: Transient voltage suppressor during inductive kickback from solenoid drivers. Use Value: 100 V VRRM and 25 µA IR at 125°C maintain stable clamping threshold in hot chassis environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Vishay VS-2EYH01-M3/54 | Same SOD-128 package; 100 V VRRM, 2 A IF, but trr = 50 ns (vs. 35 ns) and VF = 0.92 V @ 2A/25°C | Marginally higher switching loss in >200 kHz designs due to slower recovery | Acceptable where layout allows minor efficiency trade-off and cost is prioritized |
| ON Semiconductor MUR220SFT1G | SOD-128; 200 V VRRM, 2 A IF, trr = 35 ns, VF = 0.95 V @ 2A/25°C - higher voltage rating but higher VF | Over-specified VRRM may be unnecessary in 12 V systems; slightly higher conduction loss | Preferred only if future design scaling to 24 V/48 V rails is anticipated |
Compared with VS-2EYH01-M3/54 and MUR220SFT1G, the ES2BFSH offers the lowest VF among 100 V-class SOD-128 rectifiers while maintaining best-in-class trr, making it optimal for thermally constrained, high-efficiency automotive and industrial DC/DC stages.
Availability
ES2BFSH is available at Aetrix Electronics and suitable for automotive power supplies, DC/DC converter secondary rectification, and snubber networks requiring stable component supply and AEC-Q101 compliance.
Supply support for ES2BFSH 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 global automotive, industrial, and consumer markets since 1979.
The ES2xFSH series was developed specifically for high-reliability, surface-mount super fast rectification in automotive subsystems and compact industrial power converters where low VF, fast trr, and AEC-Q101 validation are mandatory.
FAQ
What is the maximum junction temperature rating for ES2BFSH?
The ES2BFSH has a maximum junction temperature (TJ) of +150°C and a minimum of –55°C, validated across its full operating life per AEC-Q101 stress testing. This rating applies under all specified electrical conditions and is critical for thermal design in automotive under-hood applications where ambient temperatures exceed 105°C. The ES2BFSH must be derated above 25°C ambient per the forward current derating curve in the datasheet.
Is ES2BFSH pin-compatible with other parts in the ES2xFSH family?
Yes, all ES2xFSH variants-including ES2BFSH, ES2DFSH, ES2GFSH, and ES2JFSH-share identical SOD-128 mechanical dimensions, pad layout, polarity marking, and lead finish. They differ only in VRRM rating (100 V to 600 V) and associated electrical parameters such as VF and trr. The ES2BFSH can be substituted within the same footprint when 100 V reverse blocking is sufficient.
Does ES2BFSH require special PCB layout considerations for thermal performance?
Yes. To achieve the published RθJA = 72°C/W, the ES2BFSH must be mounted on a PCB with ≥5 mm × 5 mm copper pads per terminal, using standard reflow profiles. Thermal vias under the leads and internal ground/power planes improve heat spreading. Reducing pad size or omitting copper area will raise junction temperature beyond specifications, especially at full 2 A load.
What does the marking code 'ES2BFH' on the ES2BFSH device indicate?
The top-side marking 'ES2BFH' identifies the ES2BFSH variant per Taiwan Semiconductor's ordering convention: 'B' denotes 100 V VRRM, 'F' indicates SOD-128 package, and 'H' specifies halogen-free construction. The full orderable part number ES2BFSH includes the 'S' suffix confirming tape-and-reel packaging (14,000 pcs/reel), which is not reflected in the device marking.
How does the ES2BFSH's AEC-Q101 qualification impact its use in non-automotive applications?
The AEC-Q101 qualification of ES2BFSH validates robustness against temperature cycling, high-temperature reverse bias, and mechanical shock-making it highly suitable for industrial and telecom power supplies where extended lifetime and field reliability are required. While not mandatory outside automotive, this qualification provides assurance of superior process control and screening, and the ES2BFSH performs identically in non-automotive systems meeting its electrical and thermal specs.
ES2BFSH Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- SOD-128
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 2A
- Voltage - Forward (Vf) (Max) @ If:
- 950 mV @ 2 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 35 ns
- Current - Reverse Leakage @ Vr:
- 1 µA @ 100 V
- Capacitance @ Vr, F:
- 28pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-128
- Operating Temperature - Junction:
- -55°C ~ 150°C
ES2BFSH FAQ
1.How can I place an order for ES2BFSH through Aetrix?
Please submit a Request for Quotation (RFQ) for ES2BFSH 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 ES2BFSH reliable?
The price and inventory of ES2BFSH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ES2BFSH is usually 5 days.
3.What payment methods are accepted for ES2BFSH?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ES2BFSH transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ES2BFSH?
ES2BFSH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ES2BFSH 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 ES2BFSH?
For technical support, including ES2BFSH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ES2BFSH requirements.
6.How does Aetrix verify that ES2BFSH is sourced from the original manufacturer or authorized distributors?
All ES2BFSH 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 ES2BFSH meets industry standards.
7.What is the process for return or replacement of ES2BFSH?
All ES2BFSH units undergo pre-shipment inspection (PSI). If there is an issue with ES2BFSH, 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 ES2BFSH part is unused and in its original packaging.
Return procedure for ES2BFSH:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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