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Taiwan Semiconductor Corporation ES1FHR3G
- Part No.:
- ES1FHR3G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
ES1FHR3G.pdf
- Description:
- DIODE GEN PURP 300V 1A DO214AC
- Quantity:
- Payment:
- Shipping:
Inventory:6,977
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Product details
Overview
ES1FHR3G from Taiwan Semiconductor is a 1 A, 300 V super fast recovery surface-mount rectifier in DO-214AC (SMA) package, featuring 35 ns reverse recovery time, 1.30 V max forward voltage at 1 A and 25°C, and 5 µA max reverse leakage at rated VR and 25°C, used in DC-DC converters and snubber circuits.
For engineers reviewing the ES1FHR3G datasheet, ES1FHR3G pinout, ES1FHR3G application, or ES1FHR3G equivalent, key selection criteria include peak repetitive reverse voltage (300 V), forward surge current rating (30 A), junction-to-lead thermal resistance (35 °C/W), moisture sensitivity level (J-STD-020 Level 1), and RoHS/halogen-free compliance.
Technical Context
This discrete silicon rectifier uses a glass-passivated PN junction to achieve super-fast switching performance with low forward voltage drop and minimal stored charge. Its single-die configuration and DO-214AC package support high-density automated assembly.
The device operates across -55°C to +150°C junction temperature range, delivers 1 A average forward current with derating above 75°C, and exhibits 18 pF typical junction capacitance at 1 MHz and 4.0 V reverse bias-critical for high-frequency snubber and freewheeling behavior.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 300 V - maximum repetitive reverse voltage the device blocks without breakdown |
| IF(AV) | 1 A - continuous average forward current capability at 75°C case temperature |
| trr | 35 ns - reverse recovery time under IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A; enables high-frequency switching |
| VF(max) | 1.30 V - maximum forward voltage drop at 1 A and 25°C; impacts conduction loss in power stage |
| IR(max) | 5 µA - maximum reverse leakage at rated VR and 25°C; critical for low-power standby efficiency |
| RθJL | 35 °C/W - junction-to-lead thermal resistance; determines thermal path efficiency to PCB copper |
| MSL | Level 1 per J-STD-020 - no floor life limitation; supports standard SMT reflow without dry pack |
Pinout & Package
DO-214AC (SMA) surface-mount package with cathode-indicated band; matte tin-plated leads compliant with J-STD-002 solderability; UL 94V-0 molding compound; 0.060 g typical weight.
| 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 |
|---|---|
| Glass passivated junction | Enhances reliability and humidity resistance without requiring conformal coating in industrial environments |
| Super fast trr = 35 ns | Reduces switching losses and EMI in 100–500 kHz SMPS designs compared to standard rectifiers |
| J-STD-020 Level 1 MSL | Eliminates bake-out requirement and simplifies SMT line integration for high-volume manufacturing |
| RoHS & halogen-free | Meets IEC 61249-2-21 and global environmental compliance mandates for consumer and industrial end equipment |
Applications
| DC-DC Converter | Snubber Circuit |
|---|---|
Use Scenario: Secondary-side rectification in isolated 12 V/5 V buck-derived DC-DC modules for telecom power supplies. IC Role / Device Role / Timing Role: Output rectifier conducting during transformer reset phase; handles 1 A average load with minimal conduction loss. Use Value: 1.30 V VF(max) and 35 ns trr reduce total power loss and improve light-load efficiency over standard FR107. | Use Scenario: RCD clamp network across MOSFET drain and primary winding in flyback converters. IC Role / Device Role / Timing Role: Fast-recovery diode that resets clamp capacitor before next switching cycle; must recover before 500 ns dead time. Use Value: 35 ns trr ensures full recovery within typical 200–400 ns dead times, preventing voltage overshoot and MOSFET stress. |
| Switching Inverter | Freewheeling Diode |
Use Scenario: Auxiliary power supply in solar microinverters using half-bridge topology with 300 V bus. IC Role / Device Role / Timing Role: High-voltage auxiliary rectifier converting transformer output to 15 V bias rail for gate drivers and controllers. Use Value: 300 V VRRM and 30 A IFSM withstand transient surges during grid fault conditions without failure. | Use Scenario: Inductive load commutation in 24 V industrial motor control H-bridges. IC Role / Device Role / Timing Role: Freewheeling path for back-EMF energy when PWM switches turn off; conducts brief high-current pulses. Use Value: Low 35 ns trr minimizes voltage spike amplitude and reduces snubber component size versus 100+ ns alternatives. |
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-ES1FHM3/5A | Same DO-214AC package, identical 300 V VRRM and 35 ns trr; VF = 1.25 V max (slightly lower conduction loss) | Identical use in DC-DC and snubber roles; qualified to AEC-Q101 but not required for industrial use | Select for automotive-qualified supply chains or where marginally lower VF improves thermal margin |
| ON Semiconductor ES1F | Same electrical specs and DO-214AC footprint; differs only in marking and tape/reel packaging (7,500 pcs vs. 10,000 pcs) | No functional difference; direct substitution in all existing layouts and BOMs | Choose for multi-source procurement or where ON Semi's logistics terms align better with production schedule |
Compared with VS-ES1FHM3/5A and ES1F, ES1FHR3G offers identical core performance (300 V, 35 ns, 1.30 V VF) and DO-214AC compatibility, with differentiation in halogen-free compliance (IEC 61249-2-21) and J-STD-020 Level 1 handling-key for high-mix SMT lines.
Availability
ES1FHR3G is available at Aetrix Electronics and suitable for DC-DC converters, snubber networks, and freewheeling applications requiring stable component supply, consistent parametric performance, and full RoHS/halogen-free compliance.
Supply support for ES1FHR3G 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 industrial, computing, and consumer markets since 1979.
The ES1x series was designed specifically for high-efficiency, high-frequency switching power supplies-emphasizing fast recovery, low VF, and robust thermal performance in compact surface-mount packages.
FAQ
What is the peak repetitive reverse voltage rating for ES1FHR3G?
The ES1FHR3G has a peak repetitive reverse voltage (VRRM) rating of 300 V. This value is confirmed in the Absolute Maximum Ratings table of the official Taiwan Semiconductor datasheet (Version O2112), where ES1F is explicitly assigned 300 V under the VRRM column. It defines the maximum reverse-biased voltage the device can block repeatedly without avalanche breakdown.
What is the maximum forward voltage drop of ES1FHR3G at 1 A and 25°C?
The maximum forward voltage drop (VF) of ES1FHR3G is 1.30 V at 1 A forward current and 25°C junction temperature. This specification appears in the Electrical Specifications table under "ES1F" and "ES1G" rows, with "MAX" column listing 1.30 V. It directly impacts conduction loss in power conversion stages.
Does ES1FHR3G have a defined reverse recovery time, and what is its value?
Yes, ES1FHR3G has a specified reverse recovery time (trr) of 35 ns maximum. The datasheet states this under Electrical Specifications with test conditions: IF = 0.5 A, IR = 1.0 A, and Irr = 0.25 A. This parameter is critical for minimizing switching losses and EMI in high-frequency power supplies.
What package type does ES1FHR3G use, and is it compatible with standard SMA footprints?
ES1FHR3G uses the DO-214AC (SMA) package, as confirmed in the Mechanical Data and Ordering Information sections. Its outline dimensions and suggested pad layout match industry-standard SMA footprints, enabling drop-in compatibility with existing PCB land patterns designed for DO-214AC components.
Is ES1FHR3G compliant with RoHS and halogen-free standards?
Yes, ES1FHR3G is RoHS compliant and halogen-free per IEC 61249-2-21. These compliance statements appear in the FEATURES section of the datasheet and are reinforced in the Notice page (Version O2112), confirming suitability for environmentally regulated end equipment including consumer and industrial products.
ES1FHR3G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AC, SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 300 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 35 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 300 V
- Capacitance @ Vr, F:
- 16pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AC (SMA)
- Operating Temperature - Junction:
- -55°C ~ 150°C
ES1FHR3G FAQ
1.How can I place an order for ES1FHR3G through Aetrix?
Please submit a Request for Quotation (RFQ) for ES1FHR3G 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 ES1FHR3G reliable?
The price and inventory of ES1FHR3G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ES1FHR3G is usually 5 days.
3.What payment methods are accepted for ES1FHR3G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ES1FHR3G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ES1FHR3G?
ES1FHR3G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ES1FHR3G 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 ES1FHR3G?
For technical support, including ES1FHR3G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ES1FHR3G requirements.
6.How does Aetrix verify that ES1FHR3G is sourced from the original manufacturer or authorized distributors?
All ES1FHR3G 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 ES1FHR3G meets industry standards.
7.What is the process for return or replacement of ES1FHR3G?
All ES1FHR3G units undergo pre-shipment inspection (PSI). If there is an issue with ES1FHR3G, 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 ES1FHR3G part is unused and in its original packaging.
Return procedure for ES1FHR3G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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