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Home > Products > Discrete Semiconductor Products > Diodes > Rectifiers > Single Diodes

Diodes Incorporated ES2B-13

Name: ES2B-13
Brand: Diodes Incorporated
SKU: ES2B-13
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ES2B-13

Manufacturer:: Diodes Incorporated

Category:: Single Diodes

Package:: DO-214AA, SMB

Datasheet:: ES2B-13.pdf

Description:: DIODE GEN PURP 100V 2A SMB

Quantity:: RFQ Add To RFQ list

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Inventory:7,612

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Product details

Overview

ES2B-13 from Diodes Incorporated is a 100 V peak repetitive reverse voltage, 2.0 A average rectified output current, surface-mount super-fast recovery rectifier in SMA package with 25 ns reverse recovery time and 0.92 V forward voltage at 2.0 A. It is used as primary-side output rectifier in high-frequency AC/DC adapters and DC/DC converters requiring low conduction loss and fast switching.

For engineers reviewing the ES2B-13 datasheet, ES2B-13 pinout, ES2B-13 application, or ES2B-13 equivalent, key selection criteria include V_RRM = 100 V, I_O = 2.0 A, t_rr = 25 ns, V_F = 0.92 V @ 2.0 A, and thermal resistance R_JT = 20 °C/W - all critical for high-efficiency power supply design and thermal management validation.

Technical Context

This device employs glass-passivated die construction to ensure stable junction performance under thermal cycling and humidity stress. Its super-fast recovery (t_rr = 25 ns) enables operation in 100–500 kHz SMPS topologies without significant switching loss penalties.

The SMA package provides a compact footprint with defined thermal path to PCB copper pads (5.0 mm², 0.013 mm thick), supporting 2.0 A continuous current at T_T = 110 °C. Polarity is marked by cathode band; mounting orientation is unrestricted.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	100 V - Withstands peak reverse voltage up to 100 V in bridge or flyback configurations without breakdown.
I_O	2.0 A @ T_T = 110 °C - Sustains continuous forward current of 2.0 A when terminal temperature is held at 110 °C via PCB heatsinking.
t_rr	25 ns - Enables efficient operation in high-frequency switch-mode supplies by minimizing reverse recovery charge and associated switching losses.
V_F	0.92 V @ I_F = 2.0 A - Low forward drop reduces conduction loss and improves system efficiency in 5–24 V output converters.
R_JT	20 °C/W - Junction-to-terminal thermal resistance measured with 5.0 mm² copper pad; defines thermal bottleneck for power dissipation modeling.
I_FSM	50 A @ 8.3 ms - Withstands single half-sine surge events (e.g., cold-start inrush), enabling robustness without external fusing.

Pinout & Package

SMA package: molded plastic case (UL 94V-0), cathode-banded polarity, solderable matte tin-plated terminals, weight ≈ 0.064 g. Mounting position unrestricted.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to transformer secondary or switching node; must handle full load current and surge transients.
Cathode	Forward current exit / reverse blocking terminal	Connected to output capacitor and load; cathode band identifies this terminal for correct PCB layout and assembly.

Key Features

Feature	Design Value
Glass-passivated die	Ensures long-term reliability under thermal cycling and humid environments, eliminating risk of junction corrosion.
Super-fast recovery (25 ns)	Reduces reverse recovery charge (Q_rr) to <15 nC, minimizing EMI and switching loss in high-frequency converters.
Low V_F (0.92 V @ 2.0 A)	Lowers conduction loss to ~1.84 W at full load, easing thermal design versus standard FR-type rectifiers (~1.1 V typical).
RoHS-compliant lead-free finish	Meets EU Directive Annex exemptions for high-temp soldering; compatible with Pb-free reflow profiles (J-STD-020C Level 1).

Applications

AC/DC Adapter Output Rectification

USB PD Power Supply Secondary Side

Use Scenario: 12–20 V, 2–3 A output stage in compact wall adapters.

IC Role / Device Role / Timing Role: Primary output rectifier converting high-frequency transformer secondary AC to regulated DC.

Use Value: 25 ns t_rr prevents cross-conduction loss during synchronous rectifier dead-time; 0.92 V V_F maintains >90% efficiency at full load.

Use Scenario: 20 V/3 A fixed-output stage in USB Power Delivery compliant chargers.

IC Role / Device Role / Timing Role: Discrete freewheeling rectifier in quasi-resonant flyback topology.

Use Value: 100 V V_RRM accommodates reflected voltage spikes up to 1.2× nominal output; 50 A I_FSM withstands startup surges.

Industrial DC/DC Converter Input Stage

LED Driver Secondary Rectification

Use Scenario: 48 V input, isolated 12 V/2 A auxiliary rail in PLC power modules.

IC Role / Device Role / Timing Role: Output rectifier in forward converter with 200 kHz switching frequency.

Use Value: 20 °C/W R_JT allows direct thermal coupling to 5 mm² copper pour, limiting ΔT to <40 °C at full load.

Use Scenario: Constant-current LED driver with 36 V output and 600 mA load.

IC Role / Device Role / Timing Role: Secondary-side rectifier in isolated buck-boost topology.

Use Value: Cathode-band marking ensures unambiguous orientation on dense LED board layouts; UL 94V-0 housing meets safety spacing requirements.

Equivalent & Alternatives

The following parts are listed as comparable options for similar super-fast rectifier applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH2R01AP	V_RRM = 100 V, t_rr = 35 ns, V_F = 0.95 V @ 2 A, SMA package	Slower recovery increases switching loss in >300 kHz designs; higher V_F raises conduction loss by ~3%	Prefer where cost sensitivity outweighs 10 ns t_rr advantage and thermal margin is ample.
MBR2100CT	Dual common-cathode Schottky, 100 V, 2 × 1 A, TO-220AC package	Higher profile, no surface-mount compatibility; zero Q_rr but limited to ≤85 °C ambient due to package thermal resistance	Select only if discrete dual-channel layout or through-hole assembly is required; not a drop-in replacement.

Compared with STTH2R01AP and MBR2100CT, ES2B-13 delivers optimal balance of ultrafast recovery (25 ns), low-profile SMA packaging, and validated 110 °C terminal rating - making it preferred for space-constrained, high-frequency, thermally managed power supplies.

Availability

ES2B-13 is available at Aetrix Electronics and suitable for AC/DC adapters, USB PD chargers, and industrial DC/DC converters requiring stable component supply and consistent parametric performance across production lots.

Supply support for ES2B-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 ES2x/A series belongs to Diodes' high-efficiency rectifier product line, engineered specifically for high-frequency switching power supplies where low V_F, fast t_rr, and reliable thermal performance are essential.

FAQ

What is the maximum operating junction temperature for ES2B-13?

The ES2B-13 has an operating junction temperature range of –55 °C to +150 °C. However, its rated average output current (2.0 A) is specified at terminal temperature T_T = 110 °C - meaning sustained operation at full current requires thermal design ensuring the SMA package's soldered terminals do not exceed that limit.

Is ES2B-13 RoHS compliant and lead-free?

Yes. ES2B-13 features a matte tin lead-free plating per J-STD-020C Level 1, fully compliant with RoHS Directive 2011/65/EU, including exemptions for high-temperature soldering and glass passivation as defined in Annex III.

How does the SMA package of ES2B-13 compare thermally to SMB?

The SMA package (0.064 g) has lower thermal mass and slightly higher R_JT than SMB (0.093 g, R_JT ≈ 17 °C/W), but both rely on PCB copper area for heat dissipation. ES2B-13's SMA variant is optimized for tighter board space while maintaining 2.0 A rating via proper 5.0 mm² copper pad design.

Can ES2B-13 replace a standard FR207 rectifier?

No - FR207 is a 1000 V, 2 A fast-recovery diode with t_rr ≈ 500 ns. ES2B-13 offers far faster recovery (25 ns) but only 100 V V_RRM. It is unsuitable for high-voltage line-input stages; use only in low-voltage, high-frequency secondary-side applications.

ES2B-13 Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: DO-214AA, SMB

Packaging:: Tape & Reel (TR)

Product Status:: Discontinued at Digi-Key

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 100 V

Current - Average Rectified (Io):: 2A

Voltage - Forward (Vf) (Max) @ If:: 920 mV @ 2 A

Speed:: Fast Recovery =< 500ns, > 200mA (Io)

Reverse Recovery Time (trr):: 25 ns

Current - Reverse Leakage @ Vr:: 5 µA @ 100 V

Capacitance @ Vr, F:: 25pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SMB

Operating Temperature - Junction:: -55°C ~ 150°C

ES2B-13 FAQ

1.How can I place an order for ES2B-13 through Aetrix?

Please submit a Request for Quotation (RFQ) for ES2B-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 ES2B-13 reliable?

The price and inventory of ES2B-13 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ES2B-13 is usually 5 days.

3.What payment methods are accepted for ES2B-13?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ES2B-13 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ES2B-13?

ES2B-13 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ES2B-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 ES2B-13?

For technical support, including ES2B-13 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ES2B-13 requirements.

6.How does Aetrix verify that ES2B-13 is sourced from the original manufacturer or authorized distributors?

All ES2B-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 ES2B-13 meets industry standards.

7.What is the process for return or replacement of ES2B-13?

All ES2B-13 units undergo pre-shipment inspection (PSI). If there is an issue with ES2B-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 ES2B-13 part is unused and in its original packaging.

Return procedure for ES2B-13:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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