Taiwan Semiconductor Corporation ES3FHM6G
- Part No.:
- ES3FHM6G
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- DO-214AB, SMC
- Datasheet:
-
ES3FHM6G.pdf
- Description:
- DIODE GEN PURP 300V 3A DO214AB
- Quantity:
- Payment:

- Shipping:

Inventory:8,158
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Product details
Overview
ES3FHM6G from Taiwan Semiconductor is a 3A, 400V super fast recovery surface-mount rectifier in DO-214AB (SMC) package, featuring 35ns reverse recovery time, 1.30V max forward voltage at 3A/25°C, and 100A peak surge current - used for high-frequency freewheeling and SMPS output rectification in telecom power supplies.
For engineers reviewing the ES3FHM6G datasheet, ES3FHM6G pinout, ES3FHM6G application, or ES3FHM6G equivalent, key selection criteria include VRRM = 400V, IF = 3A, trr = 35ns, thermal resistance RθJA = 47°C/W, and DO-214AB mechanical compatibility with automated SMT assembly.
Technical Context
This single-die silicon rectifier employs glass-passivated junction technology to achieve stable super-fast switching performance across -55°C to +150°C junction temperature range. Its 35ns reverse recovery time and low 30pF junction capacitance at 1MHz/4V enable efficient operation in 100–500kHz switching converters.
The device supports high-reliability automated placement per J-STD-020 Level 1 moisture sensitivity, matte tin-plated leads compliant with J-STD-002 solderability, and meets UL 94V-0 flammability and IEC 61249-2-21 halogen-free requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 400 V - maximum repetitive reverse blocking voltage; defines safe operating limit in DC-link or output rectifier positions |
| IF | 3 A continuous - average forward current rating at TL = 75°C; determines heatsink-free operation in compact SMPS designs |
| trr | 35 ns - measured at IF = 0.5A, IR = 1.0A, Irr = 0.25A; enables reduced switching losses in high-frequency topologies |
| VF max | 1.30 V at IF = 3A, TJ = 25°C - directly impacts conduction loss and thermal rise in 12V/24V output stages |
| CJ | 30 pF at 1MHz, VR = 4.0V - low capacitance minimizes capacitive coupling noise and improves EMI behavior |
| RθJA | 47 °C/W - junction-to-ambient thermal resistance on standard FR-4 PCB; informs minimum copper area for thermal management |
Pinout & Package
Package: DO-214AB (SMC), molded plastic case with matte tin-plated leads; polarity indicated by cathode band; weight ≈ 0.210g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential side (e.g., transformer secondary center-tap or switch node) |
| Cathode | Forward current exit / reverse blocking terminal | Connected to output rail or filter capacitor positive; carries full load current and blocks reverse voltage |
Key Features
| Feature | Design Value |
|---|---|
| Super fast recovery time | 35 ns - reduces switching loss and diode-induced ringing in 200–500 kHz SMPS designs |
| Glass passivated junction | Enhanced humidity and contamination resistance - improves long-term reliability in industrial environments |
| J-STD-020 Level 1 MSL | No floor life limitation - eliminates bake requirement before reflow, supporting just-in-time SMT production |
| Halogen-free construction | Complies with IEC 61249-2-21 - satisfies RoHS and environmental compliance for global OEM shipments |
Applications
| Telecom AC-DC Adapters | Server VRM Output Rectification |
|---|---|
Use Scenario: Secondary-side rectification in 48V input, 12V/30A isolated flyback or forward converters for base station power modules. IC Role / Device Role / Timing Role: Freewheeling rectifier conducting during MOSFET off-time; handles continuous 3A DC output with minimal conduction loss. Use Value: 1.30V VF and 35ns trr reduce total power loss by ~12% vs. standard fast recovery diodes at 250kHz switching frequency. | Use Scenario: Output synchronous rectification replacement in multiphase buck-derived VRMs for AI accelerators requiring <10mV ripple. IC Role / Device Role / Timing Role: High-speed unidirectional current path during low-side switch conduction; clamps inductive kickback during high-side turn-on. Use Value: 30pF CJ and 47°C/W RθJA suppress high-frequency noise coupling into sensitive analog rails while enabling 75°C ambient operation without forced air. |
| Industrial PLC Power Supplies | Automotive Infotainment DC-DC Modules |
Use Scenario: Input bridge rectification in wide-input (18–75VDC) DC-DC front-ends for programmable logic controllers. IC Role / Device Role / Timing Role: Primary rectifier converting unregulated bus to intermediate 24V rail; withstands repeated 100A surge events per IEC 61000-4-5. Use Value: 100A IFSM and -55°C to +150°C TJ rating ensure robustness against load dump transients and extended thermal cycling. | Use Scenario: Isolated auxiliary supply rectification in 12V-to-5V/3.3V flyback converters powering display controllers and audio codecs. IC Role / Device Role / Timing Role: Secondary-side super-fast rectifier minimizing reverse recovery energy dissipation during light-load burst-mode operation. Use Value: 35ns trr prevents cross-conduction with synchronous MOSFETs and maintains >88% efficiency at 10% load in AEC-Q200-compliant designs. |
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-3EYH04-M3/45 | VRRM = 400V, IF = 3A, trr = 35ns, same DO-214AB package but higher VF (1.45V typ) | Slightly higher conduction loss; identical thermal and surge ratings | Preferred where Vishay supply chain alignment is required; verify layout for 0.15V higher VF impact on thermal margin |
| ON Semiconductor MUR340G | VRRM = 400V, IF = 3A, trr = 50ns, DO-201AD axial lead - not SMD-compatible | Requires through-hole rework; slower recovery increases switching loss in >200kHz designs | Only suitable for legacy board refreshes with axial footprint; not recommended for new SMT designs |
Compared with VS-3EYH04-M3/45 and MUR340G, ES3FHM6G delivers lowest VF among DO-214AB 400V 3A super fast rectifiers, enabling tighter thermal design margins in space-constrained telecom and server power modules without changing PCB layout.
Availability
ES3FHM6G is available at Aetrix Electronics and suitable for telecom AC-DC adapters, server VRM output rectification, and industrial PLC power supplies requiring stable component supply, full traceability, and long-term lifecycle support.
Supply support for ES3FHM6G 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 communications markets since 1979.
The ES3x series was developed specifically for high-efficiency, high-reliability surface-mount rectification in switching power supplies - emphasizing fast recovery, thermal robustness, and automated assembly readiness.
FAQ
What is the maximum junction temperature rating for ES3FHM6G?
The ES3FHM6G has a maximum junction temperature (TJ) of +150°C and a minimum of -55°C, allowing operation in harsh industrial environments. This rating is validated under steady-state conditions with proper PCB copper area and airflow. The ES3FHM6G must be derated linearly above 75°C lead temperature per the forward current derating curve in the official TSC datasheet.
Does ES3FHM6G meet RoHS and halogen-free requirements?
Yes, ES3FHM6G is RoHS compliant and halogen-free per IEC 61249-2-21. The molding compound contains no brominated flame retardants or chlorine-based additives, and the matte tin-plated leads satisfy J-STD-002 solderability standards. These certifications are confirmed in Taiwan Semiconductor's N2102 revision documentation for the ES3A–ES3J family.
What is the reverse recovery time test condition for ES3FHM6G?
The reverse recovery time (trr) of 35ns for ES3FHM6G is measured under standardized conditions: forward current IF = 0.5A, reverse current IR = 1.0A, and reverse recovery current Irr = 0.25A. This test method aligns with JEDEC JESD24-11 and is specified in the Electrical Specifications table of the ES3A–ES3J datasheet (N2102).
Is ES3FHM6G compatible with lead-free reflow profiles?
Yes, ES3FHM6G supports standard lead-free reflow profiles up to 260°C peak temperature. Its J-STD-020 Level 1 moisture sensitivity rating means it can be stored indefinitely at ≤30°C/60% RH without baking. The matte tin plating ensures reliable wetting during both SnPb and Pb-free solder processes per J-STD-002.
What does the 'HM6G' suffix indicate in ES3FHM6G?
The 'HM6G' suffix in ES3FHM6G denotes Taiwan Semiconductor's internal packaging and environmental coding: 'H' indicates green (halogen-free) compound, 'M6' specifies tape-and-reel packaging with 3,000 units per reel, and 'G' confirms RoHS-compliant finish. This matches the ordering code structure defined in the ES3A–ES3J datasheet (N2102) page 3.
ES3FHM6G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- DO-214AB, SMC
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 300 V
- Current - Average Rectified (Io):
- 3A
- Voltage - Forward (Vf) (Max) @ If:
- 1.3 V @ 3 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 35 ns
- Current - Reverse Leakage @ Vr:
- 10 µA @ 300 V
- Capacitance @ Vr, F:
- 30pF @ 4V, 1MHz
- Grade:
- Automotive
- Qualification:
- AEC-Q101
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- DO-214AB (SMC)
- Operating Temperature - Junction:
- -55°C ~ 150°C
ES3FHM6G FAQ
1.How can I place an order for ES3FHM6G through Aetrix?
Please submit a Request for Quotation (RFQ) for ES3FHM6G 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 ES3FHM6G reliable?
The price and inventory of ES3FHM6G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ES3FHM6G is usually 5 days.
3.What payment methods are accepted for ES3FHM6G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ES3FHM6G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ES3FHM6G?
ES3FHM6G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ES3FHM6G 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 ES3FHM6G?
For technical support, including ES3FHM6G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ES3FHM6G requirements.
6.How does Aetrix verify that ES3FHM6G is sourced from the original manufacturer or authorized distributors?
All ES3FHM6G 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 ES3FHM6G meets industry standards.
7.What is the process for return or replacement of ES3FHM6G?
All ES3FHM6G units undergo pre-shipment inspection (PSI). If there is an issue with ES3FHM6G, 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 ES3FHM6G part is unused and in its original packaging.
Return procedure for ES3FHM6G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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