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Taiwan Semiconductor Corporation ES1DFL
- Part No.:
- ES1DFL
- Manufacturer:
- Taiwan Semiconductor Corporation
- Category:
- Single Diodes
- Package:
- SOD-123F
- Datasheet:
-
ES1DFL.pdf
- Description:
- 35NS, 1A, 200V, SUPER FAST RECOV
- Quantity:
- Payment:
- Shipping:
Inventory:8,955
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Product details
Overview
ES1DFL from Taiwan Semiconductor is a 1 A, 200 V super fast surface-mount rectifier diode in SOD-123FL package, featuring 35 ns reverse recovery time, 1.0 V max forward voltage at 1 A, and 30 A peak surge current capability. It serves as a freewheeling or output rectifier in high-frequency DC-DC converters.
For engineers reviewing the ES1DFL datasheet, ES1DFL pinout, ES1DFL application, or ES1DFL equivalent, key selection criteria include repetitive peak reverse voltage (200 V), thermal resistance (RθJL = 35 °C/W), junction temperature range (–55 to +150 °C), and RoHS/halogen-free compliance for industrial power conversion designs.
Technical Context
The ES1DFL employs a glass-passivated single-die silicon junction optimized for high-speed switching, with low stored charge enabling fast reverse recovery (trr = 35 ns) under IF = 0.5 A / IR = 1.0 A conditions. Its SOD-123FL package supports automated placement and meets J-STD-020 moisture sensitivity level 1.
Thermal performance is defined by RθJL = 35 °C/W and RθJA = 85 °C/W, allowing reliable operation up to TJ = 150 °C. Reverse leakage remains ≤5 µA at 25 °C and ≤100 µA at 125 °C under rated VRRM.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 200 V - maximum repetitive reverse voltage before breakdown; sets upper limit for DC-DC output rectification in 12–48 V systems |
| IF | 1 A continuous - average forward current rating; defines steady-state conduction capability without derating |
| trr | 35 ns - measured at IF = 0.5 A, IR = 1.0 A, Irr = 0.25 A; enables >1 MHz switching in synchronous rectifier topologies |
| VF | ≤1.0 V at IF = 1 A, TJ = 25 °C - low conduction loss improves efficiency in compact power supplies |
| RθJL | 35 °C/W - junction-to-lead thermal resistance; enables direct PCB copper pour heat sinking without external heatsink |
| IFSM | 30 A - non-repetitive surge rating for 8.3 ms half-sine; withstands startup inrush and transient overloads |
Pinout & Package
SOD-123FL is a low-profile, surface-mount plastic package with cathode-indicated band marking (EDF), matte tin-plated leads compliant with J-STD-002, and UL 94V-0 molding compound. Weight: 0.016 g.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to lower-potential node (e.g., switch node in buck converter); polarity must match PCB silkscreen |
| Cathode | Forward current exit / reverse blocking terminal | Marked by band on package; ties to output rail or ground return path; determines direction of freewheeling current flow |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated junction | Enhances long-term reliability and humidity resistance without requiring conformal coating in humid environments |
| 35 ns reverse recovery time | Reduces switching losses and EMI generation compared to standard fast rectifiers (e.g., >100 ns), supporting higher-frequency SMPS designs |
| SOD-123FL low-profile package | 0.9 mm max height enables ultra-thin power modules and space-constrained board layouts (e.g., PoE injectors) |
| Moisture sensitivity level 1 | Eliminates bake requirement prior to reflow; compatible with standard SMT assembly lines without special handling |
Applications
| DC-DC Converter Output Rectification | Switching Mode Inverter Freewheeling |
|---|---|
Use Scenario: Secondary-side rectification in isolated flyback or forward converters delivering 5–24 V at up to 1 A. IC Role / Device Role / Timing Role: Unidirectional current valve converting high-frequency AC from transformer secondary into regulated DC output. Use Value: 1.0 V VF minimizes conduction loss; 35 ns trr prevents reverse recovery shoot-through in synchronous designs. | Use Scenario: Freewheeling path across inductive loads (e.g., motor windings, solenoids) in H-bridge inverters operating at 20–100 kHz. IC Role / Device Role / Timing Role: Provides low-loss recirculation path during PWM off-time to maintain current continuity and suppress voltage spikes. Use Value: 30 A IFSM handles motor stall currents; 200 V VRRM covers typical 24–48 V bus transients. |
| AC-DC Adapter Secondary Rectification | Industrial Sensor Power Supply Rectification |
Use Scenario: Output rectification in compact wall adapters powering IoT gateways or USB-C PD accessories. IC Role / Device Role / Timing Role: Converts transformer secondary AC into stable low-voltage DC; operates continuously at ambient temperatures up to 70 °C. Use Value: SOD-123FL footprint saves board area vs. DO-214AC; RoHS/halogen-free compliance meets global regulatory requirements. | Use Scenario: Rectifying auxiliary 12 V or 24 V supply rails for analog sensor front-ends in factory automation PLC modules. IC Role / Device Role / Timing Role: Isolates and conditions unregulated input from upstream switching regulator or linear post-regulator stage. Use Value: RθJL = 35 °C/W allows direct thermal coupling to copper pour; –55 to +150 °C TJ range ensures operation in extended-temperature enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ON Semiconductor MUR120 | DO-41 package, 200 V VRRM, 35 ns trr, but 1.3 V VF at 1 A - higher conduction loss | Through-hole mounting only; unsuitable for high-density SMT layouts | Select when legacy through-hole assembly is required and thermal budget permits higher VF |
| Vishay VS-1EFH02-M3/5AT | SOD-123FL package, same 200 V VRRM, but 50 ns trr and 1.15 V VF; RθJL = 45 °C/W | Slightly slower recovery and higher thermal resistance reduce efficiency in >500 kHz designs | Acceptable where cost is prioritized over peak efficiency and layout density is less constrained |
Compared with MUR120 and VS-1EFH02-M3/5AT, the ES1DFL delivers superior combination of low-profile SMT compatibility, lowest forward voltage (≤1.0 V), and tightest thermal resistance (35 °C/W), making it optimal for space- and thermally constrained 1 A DC-DC outputs.
Availability
ES1DFL is available at Aetrix Electronics and suitable for DC-DC converter output rectification, switching mode inverter freewheeling, and industrial sensor power supply rectification requiring stable component supply and full traceability.
Supply support for ES1DFL 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 semiconductor manufacturer specializing in discrete power devices, including rectifiers, TVS diodes, and MOSFETs, with ISO/TS 16949-certified production.
The ES1DFL belongs to TSC's ES1xFL super fast rectifier family, engineered specifically for high-efficiency, high-frequency switching power supplies where low VF, fast trr, and robust thermal performance are critical.
FAQ
What is the maximum junction temperature rating for ES1DFL?
The ES1DFL has a maximum junction temperature (TJ) rating of +150 °C, with a storage temperature range of –55 to +150 °C. This allows reliable operation in industrial environments where ambient temperatures exceed 85 °C, provided PCB thermal design maintains junction temperature below this limit. The ES1DFL's RθJL of 35 °C/W supports effective heat transfer to copper pours or thermal vias.
Is ES1DFL RoHS and halogen-free compliant?
Yes, the ES1DFL is RoHS compliant and halogen-free per IEC 61249-2-21. Its matte tin-plated leads meet J-STD-002 solderability requirements, and the molding compound satisfies UL 94V-0 flammability standards. These certifications ensure the ES1DFL meets environmental and safety requirements for global electronics manufacturing, including consumer and industrial end equipment.
What does the marking code "EDF" indicate on ES1DFL?
The marking code "EDF" laser-etched on the ES1DFL device identifies it as the 200 V variant within the ES1xFL family (D = 200 V). It distinguishes ES1DFL from ES1GFL (G = 400 V) and ES1JFL (J = 600 V). This marking aligns with Taiwan Semiconductor's standardized coding scheme and appears on the cathode-band side of the SOD-123FL package.
Can ES1DFL replace a standard FR107 diode in a 1 A, 200 V application?
The ES1DFL can replace FR107 in many 1 A, 200 V applications due to matching VRRM and IF, but offers significantly faster recovery (35 ns vs. ~500 ns) and lower VF (≤1.0 V vs. ~1.3 V). However, the SOD-123FL package requires PCB redesign versus FR107's DO-41 through-hole footprint. For existing through-hole boards, consider MUR120 instead of ES1DFL.
What is the reverse leakage current specification for ES1DFL at elevated temperature?
The ES1DFL exhibits ≤100 µA reverse leakage current (IR) at 125 °C and rated VRRM, per its electrical specifications table. At 25 °C, IR is ≤5 µA. This low leakage supports stable operation in high-temperature power stages, such as enclosed industrial converters, where thermal runaway risk must be minimized. The ES1DFL's glass-passivated junction contributes to this stable leakage behavior.
ES1DFL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Taiwan Semiconductor Corporation
- Series:
- -
- Package/Case:
- SOD-123F
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 200 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 1 V @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 35 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 200 V
- Capacitance @ Vr, F:
- 8pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOD-123F
- Operating Temperature - Junction:
- -55°C ~ 150°C
ES1DFL FAQ
1.How can I place an order for ES1DFL through Aetrix?
Please submit a Request for Quotation (RFQ) for ES1DFL 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 ES1DFL reliable?
The price and inventory of ES1DFL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ES1DFL is usually 5 days.
3.What payment methods are accepted for ES1DFL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ES1DFL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ES1DFL?
ES1DFL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ES1DFL 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 ES1DFL?
For technical support, including ES1DFL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ES1DFL requirements.
6.How does Aetrix verify that ES1DFL is sourced from the original manufacturer or authorized distributors?
All ES1DFL 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 ES1DFL meets industry standards.
7.What is the process for return or replacement of ES1DFL?
All ES1DFL units undergo pre-shipment inspection (PSI). If there is an issue with ES1DFL, 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 ES1DFL part is unused and in its original packaging.
Return procedure for ES1DFL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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