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Diodes Incorporated ES1B-13
- Part No.:
- ES1B-13
- Manufacturer:
- Diodes Incorporated
- Category:
- Single Diodes
- Package:
- DO-214AC, SMA
- Datasheet:
-
ES1B-13.pdf
- Description:
- DIODE GEN PURP 100V 1A SMA
- Quantity:
- Payment:
- Shipping:
Inventory:9,098
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Product details
Overview
ES1B-13 from Diodes Incorporated is a 1.0A surface-mount super-fast rectifier diode with 100V peak repetitive reverse voltage, 25ns reverse recovery time, and SMA package. It delivers high-efficiency AC/DC conversion in compact power supplies and DC-DC converters where fast switching and surge robustness (30A IFSM) are required.
For engineers reviewing the ES1B-13 datasheet, ES1B-13 pinout, ES1B-13 application, or ES1B-13 equivalent, key selection criteria include its 100V VRRM rating, 0.92V forward voltage at 1.0A, 200µA leakage at +125°C, 25°C/W thermal resistance, and compatibility with automated SMT assembly on FR-4 PCBs.
Technical Context
This device operates as a unidirectional silicon PN junction rectifier optimized for high-frequency switching power topologies. Its glass-passivated die construction ensures stable performance under thermal cycling and humidity exposure, while the 25ns tRR enables operation up to several hundred kHz without excessive switching losses.
The SMA package provides low thermal resistance (25°C/W junction-to-terminal) when mounted on a 5.0 mm² copper pad, supporting continuous 1.0A conduction at terminal temperatures up to +110°C. Reverse leakage remains below 200µA even at +125°C, ensuring reliability in thermally demanding environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VRRM | 100 V - Maximum non-repetitive reverse voltage before breakdown; defines safe operating limit in bridge or flyback snubber circuits |
| IO | 1.0 A - Average rectified current at TT = +110°C; sets continuous power handling capability in compact SMT designs |
| tRR | 25 ns - Measured at IF = 0.5A, IR = 1.0A, IRR = 0.25A; enables efficient high-frequency rectification with minimal switching loss |
| VFM | 0.92 V @ 1.0A - Forward voltage drop determines conduction loss and thermal load in output stage of SMPS |
| IFSM | 30 A - Non-repetitive surge rating for 8.3ms half-sine wave; withstands inrush and transient overloads in AC input stages |
| RθJT | 25 °C/W - Thermal resistance from junction to terminal; used with PCB copper area to calculate junction temperature rise |
| IRM | 200 µA @ +125°C - Peak reverse leakage at elevated temperature; impacts standby power and isolation integrity |
Pinout & Package
SMA (DO-214AC) surface-mount package: molded plastic case, UL 94V-0 rated, cathode indicated by band or notch on body, matte tin–annealed copper leadframe terminals.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Anode | Forward current entry point | Connected to AC source or transformer secondary; must handle full surge current path |
| Cathode | Forward current exit point | Connected to output capacitor or load; polarity marking critical for correct board placement |
Key Features
| Feature | Design Value |
|---|---|
| Glass passivated die | Eliminates need for hermetic sealing; improves moisture resistance and long-term parameter stability in humid environments |
| Super-fast 25ns recovery | Reduces reverse recovery charge (Qrr), minimizing switching loss and EMI in high-frequency converters |
| 30A surge rating | Supports cold-start inrush and line transients without degradation; eliminates need for external fusing in many 12–24V systems |
| RoHS-compliant & halogen-free | Meets IPC-1752A material declaration requirements; supports green manufacturing and end-of-life recycling compliance |
Applications
| Switch-Mode Power Supply Output Rectification | DC-DC Converter Freewheeling Diode |
|---|---|
Use Scenario: Secondary-side rectification in 5–24V isolated flyback or forward converters delivering up to 12W. IC Role / Device Role / Timing Role: Unidirectional current valve converting high-frequency AC from transformer into regulated DC output. Use Value: 25ns tRR minimizes switching loss and improves efficiency >88% at 100kHz; 0.92V VFM reduces conduction loss versus standard FR107. | Use Scenario: Freewheeling path in synchronous-buck or boost converters powering FPGA I/O rails or sensor interfaces. IC Role / Device Role / Timing Role: Provides low-loss current recirculation path during high-side switch off-time. Use Value: 30A IFSM handles peak inductor current surges; 200µA IR at +125°C maintains low standby leakage in always-on subsystems. |
| AC-DC Adapter Input Bridge Leg | Industrial Control Signal Conditioning |
Use Scenario: One leg of a 4-diode full-wave bridge in universal-input (90–264VAC) wall adapters. IC Role / Device Role / Timing Role: Half-wave rectifier conducting during positive half-cycles of mains input. Use Value: 100V VRRM exceeds 1.414 × 264VAC peak; glass passivation prevents parametric drift in humid factory environments. | Use Scenario: Protection and level-shifting in 24V PLC digital input modules with optocoupler isolation. IC Role / Device Role / Timing Role: Reverse-polarity protection and transient clamping diode on field-side signal lines. Use Value: 25°C/W RθJT allows direct mounting on control board copper; 20pF CT limits capacitive coupling of noise into sensitive logic inputs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar super-fast rectifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STTH1R04U | Same 100V VRRM, but 35ns tRR and 1.05V VFM @ 1.0A; TO-277 package | Higher forward drop increases conduction loss; larger footprint limits board density | Prefer when higher surge margin (60A IFSM) outweighs efficiency penalty |
| MBR1100S | Schottky structure: 0.55V VFM @ 1.0A, but only 100V VRRM and no guaranteed tRR spec | No reverse recovery charge, but higher IR (1mA @ 100V) limits high-temp use | Choose for ultra-low VF in <85°C ambient; avoid in high-temperature industrial enclosures |
Compared with STTH1R04U and MBR1100S, ES1B-13 offers the best balance of speed (25ns), thermal resistance (25°C/W), and leakage control (200µA @ +125°C) in the SMA footprint-critical for space-constrained, thermally aggressive power supply designs.
Availability
ES1B-13 is available at Aetrix Electronics and suitable for switch-mode power supplies, DC-DC converters, and AC-DC adapters requiring stable component supply, consistent parametric performance, and RoHS-compliant sourcing.
Supply support for ES1B-13 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
Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design and manufacturing operations across Asia and the Americas.
The ES1x series belongs to Diodes' high-speed rectifier product line, engineered specifically for high-frequency AC/DC and DC/DC power conversion where fast recovery, low leakage, and robust surge tolerance are essential.
FAQ
What is the maximum operating temperature for ES1B-13?
The ES1B-13 has an operating and storage temperature range of –55°C to +150°C. Its average rectified current rating is specified at terminal temperature (TT) up to +110°C, beyond which derating is required per Figure 1 in DS14001 Rev. 17–2. Junction temperature must remain below +150°C under all conditions.
Is ES1B-13 compatible with lead-free reflow soldering?
Yes. ES1B-13 features a matte tin–annealed copper leadframe and is rated for moisture sensitivity Level 1 per J-STD-020. It supports standard Pb-free reflow profiles (peak 260°C, 10-second dwell) without delamination or parametric shift, provided recommended pad layout (AP02001) is followed.
How does ES1B-13 differ from ES1A-13?
ES1B-13 has a 100V VRRM rating versus ES1A-13's 50V; otherwise, both share identical package (SMA), thermal specs (RθJT = 25°C/W), recovery time (tRR = 25ns), and forward voltage characteristics. The "B" suffix denotes the higher blocking voltage grade within the same platform.
Can ES1B-13 replace a standard 1N4007 in a 12V power supply?
No. While both are rectifiers, the 1N4007 is a general-purpose 1A/1000V diode with ~2µs recovery time-unsuitable for high-frequency switching. ES1B-13's 25ns tRR makes it appropriate for SMPS, but its 100V VRRM is insufficient for 120/230VAC inputs without additional circuit protection.
ES1B-13 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Diodes Incorporated
- Series:
- -
- Package/Case:
- DO-214AC, SMA
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Discontinued at Digi-Key
- Technology:
- Standard
- Voltage - DC Reverse (Vr) (Max):
- 100 V
- Current - Average Rectified (Io):
- 1A
- Voltage - Forward (Vf) (Max) @ If:
- 920 mV @ 1 A
- Speed:
- Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr):
- 25 ns
- Current - Reverse Leakage @ Vr:
- 5 µA @ 100 V
- Capacitance @ Vr, F:
- 10pF @ 4V, 1MHz
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SMA
- Operating Temperature - Junction:
- -55°C ~ 150°C
ES1B-13 FAQ
1.How can I place an order for ES1B-13 through Aetrix?
Please submit a Request for Quotation (RFQ) for ES1B-13 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 ES1B-13 reliable?
The price and inventory of ES1B-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ES1B-13 is usually 5 days.
3.What payment methods are accepted for ES1B-13?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ES1B-13 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ES1B-13?
ES1B-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ES1B-13 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 ES1B-13?
For technical support, including ES1B-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ES1B-13 requirements.
6.How does Aetrix verify that ES1B-13 is sourced from the original manufacturer or authorized distributors?
All ES1B-13 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 ES1B-13 meets industry standards.
7.What is the process for return or replacement of ES1B-13?
All ES1B-13 units undergo pre-shipment inspection (PSI). If there is an issue with ES1B-13, 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 ES1B-13 part is unused and in its original packaging.
Return procedure for ES1B-13:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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