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

Taiwan Semiconductor Corporation ESH3B V7G

Name: ESH3B V7G
Brand: Taiwan Semiconductor Corporation
SKU: ESH3B V7G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ESH3B V7G

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: DO-214AB, SMC

Datasheet:: ESH3B V7G.pdf

Description:: DIODE GEN PURP 100V 3A DO214AB

Quantity:: RFQ Add To RFQ list

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Inventory:5,956

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Product details

Overview

ESH3B V7G from Taiwan Semiconductor is a 100V, 3A ultra-fast surface-mount rectifier diode in DO-214AB (SMC) package, featuring 20 ns reverse recovery time, 0.9 V forward voltage at 3 A, and 125 A non-repetitive surge capability - deployed in high-frequency switching mode power supplies for telecom and computing infrastructure.

For engineers reviewing the ESH3B V7G datasheet, ESH3B V7G pinout, ESH3B V7G application, or ESH3B V7G equivalent, key selection criteria include repetitive peak reverse voltage (100 V), thermal resistance (R_θJL = 12 °C/W), junction temperature range (–55 to +175 °C), and moisture sensitivity level (MSL 1).

Technical Context

The ESH3B V7G is a single-die, glass-passivated silicon PN junction rectifier optimized for high-efficiency DC/DC conversion where fast switching and low conduction loss are critical. Its ultra-fast recovery (trr ≤ 20 ns) minimizes switching losses in 100–500 kHz SMPS topologies.

Designed with matte tin-plated leads compliant with J-STD-002 and JESD 201 Class 2 whisker testing, it supports automated SMT placement and reflow soldering. The DO-214AB (SMC) package provides robust thermal performance (R_θJA = 47 °C/W) and UL 94V-0 rated molding compound.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	100 V - maximum repetitive reverse blocking voltage; defines safe operating ceiling in flyback/freewheeling paths
I_F	3 A - continuous average forward current at T_L = 75 °C; sets steady-state power handling limit
t_rr	20 ns - measured at I_F = 0.5 A, I_R = 1.0 A, I_rr = 0.25 A; enables efficient operation above 200 kHz
V_F	0.9 V max at I_F = 3 A, T_J = 25 °C - directly impacts conduction loss and thermal rise in high-current rails
R_θJL	12 °C/W - junction-to-lead thermal resistance; enables direct heatsinking via PCB copper pour or metal-core board
I_FSM	125 A - 8.3 ms half-sine surge rating; withstands inrush and transient overloads in AC-DC front ends

Pinout & Package

DO-214AB (SMC) surface-mount package with cathode-indicated band; 2-terminal configuration (anode/cathode); lead-free, RoHS-compliant matte tin plating; MSL Level 1 per J-STD-020.

Pin/Terminal	Circuit Role	Design Meaning
Anode	Forward current entry point	Connected to input/high-side node in rectification path; must handle full I_F and I_FSM current density
Cathode	Forward current exit / reverse blocking terminal	Marked by band; ties to output/low-side node; sustains full V_RRM during off-state with <5 µA leakage at 25 °C

Key Features

Feature	Design Value
Glass passivated junction	Enhances long-term reliability under humidity and thermal cycling; eliminates need for conformal coating in industrial environments
Ultra-fast 20 ns t_rr	Reduces switching loss and EMI generation in high-frequency converters (e.g., 300 kHz LLC resonant designs)
DO-214AB (SMC) package	Supports 3 A continuous current with low-profile footprint (7.11 × 6.22 mm); compatible with standard SMC pick-and-place nozzles
MSL Level 1 rating	Enables unlimited floor life and standard reflow without baking; simplifies manufacturing logistics for high-volume OEMs

Applications

Telecom AC-DC Adapters	Server VRM Output Rectification
Use Scenario: Secondary-side rectification in 100–300 W isolated AC-DC adapters for 5G baseband units and optical line terminals. IC Role / Device Role / Timing Role: Ultra-fast power diode conducting 3 A DC output with minimal forward drop and recovery loss. Use Value: Enables >92% efficiency at 230 VAC input and 12 V/2.5 A output due to low V_F and t_rr.	Use Scenario: Synchronous rectifier replacement in multiphase buck converters supplying CPU/GPU core voltage (1.0–1.8 V). IC Role / Device Role / Timing Role: Freewheeling diode clamping inductor current during high-side FET off-time. Use Value: 20 ns t_rr prevents cross-conduction loss and reduces output ripple vs. standard fast recovery diodes.
Industrial PLC Power Supplies	UPS Inverter Stage
Use Scenario: Input bridge rectification and DC link smoothing in DIN-rail mounted 24 V/48 V power modules for programmable logic controllers. IC Role / Device Role / Timing Role: High-reliability rectifier handling 3 A continuous load with surge immunity up to 125 A. Use Value: 175 °C max junction temperature and MSL Level 1 support extended field life in unventilated enclosures.	Use Scenario: Bidirectional freewheeling path in H-bridge inverter stages of online UPS systems (1–3 kVA). IC Role / Device Role / Timing Role: Reverse-biased clamp during PWM dead-time; blocks 100 V DC bus with <150 µA leakage at 125 °C. Use Value: Low C_J (45 pF) minimizes capacitive turn-on loss and improves EMI profile during high dv/dt switching.

Telecom AC-DC Adapters

Server VRM Output Rectification

Use Scenario: Secondary-side rectification in 100–300 W isolated AC-DC adapters for 5G baseband units and optical line terminals.

IC Role / Device Role / Timing Role: Ultra-fast power diode conducting 3 A DC output with minimal forward drop and recovery loss.

Use Value: Enables >92% efficiency at 230 VAC input and 12 V/2.5 A output due to low V_F and t_rr.

Use Scenario: Synchronous rectifier replacement in multiphase buck converters supplying CPU/GPU core voltage (1.0–1.8 V).

IC Role / Device Role / Timing Role: Freewheeling diode clamping inductor current during high-side FET off-time.

Use Value: 20 ns t_rr prevents cross-conduction loss and reduces output ripple vs. standard fast recovery diodes.

Industrial PLC Power Supplies

UPS Inverter Stage

Use Scenario: Input bridge rectification and DC link smoothing in DIN-rail mounted 24 V/48 V power modules for programmable logic controllers.

IC Role / Device Role / Timing Role: High-reliability rectifier handling 3 A continuous load with surge immunity up to 125 A.

Use Value: 175 °C max junction temperature and MSL Level 1 support extended field life in unventilated enclosures.

Use Scenario: Bidirectional freewheeling path in H-bridge inverter stages of online UPS systems (1–3 kVA).

IC Role / Device Role / Timing Role: Reverse-biased clamp during PWM dead-time; blocks 100 V DC bus with <150 µA leakage at 125 °C.

Use Value: Low C_J (45 pF) minimizes capacitive turn-on loss and improves EMI profile during high dv/dt switching.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
ON Semiconductor MUR310E	V_RRM = 100 V, t_rr = 35 ns, V_F = 0.93 V @ 3 A - slower recovery, slightly higher conduction loss	Acceptable in ≤150 kHz converters but less optimal for high-frequency SMPS where ESH3B V7G's 20 ns t_rr reduces switching loss	Select ESH3B V7G when minimizing EMI and improving light-load efficiency are design priorities
Vishay VS-3EWH01-M3/54	V_RRM = 100 V, t_rr = 25 ns, V_F = 0.89 V @ 3 A - marginally faster than MUR310E but still 5 ns slower than ESH3B V7G	Suitable for cost-sensitive industrial PSUs; lacks MSL Level 1 rating (MSL 2b), requiring bake before reflow	Choose ESH3B V7G for high-volume automated assembly where floor-life control and thermal robustness are mandatory

Compared with MUR310E and VS-3EWH01-M3/54, the ESH3B V7G delivers the fastest reverse recovery (20 ns), lowest thermal resistance (R_θJL = 12 °C/W), and highest manufacturing readiness (MSL Level 1), making it optimal for compact, high-efficiency, high-reliability power conversion.

Availability

ESH3B V7G 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, consistent parametric performance, and long-term production continuity.

Supply support for ESH3B V7G 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, specializing in power rectifiers, TVS devices, and MOSFETs for industrial and computing markets.

The ESH3B V7G belongs to TSC's ESH3x ultra-fast rectifier family, engineered specifically for high-frequency switching power supplies where low forward voltage, rapid recovery, and robust thermal performance are essential.

FAQ

What is the maximum junction temperature rating for the ESH3B V7G?

The ESH3B V7G has a maximum junction temperature (T_J) of +175 °C and a minimum of –55 °C, enabling reliable operation in harsh thermal environments such as enclosed server power supplies or industrial motor drives. This wide range ensures stable performance across ambient temperatures from –40 °C to +125 °C when properly heatsinked. The ESH3B V7G's thermal design supports sustained 3 A conduction without derating below 75 °C lead temperature.

Does the ESH3B V7G have RoHS and halogen-free compliance?

Yes, the ESH3B V7G is RoHS compliant and halogen-free per IEC 61249-2-21, using environmentally compliant materials throughout the die, passivation, and molding compound. Its matte tin-plated leads meet J-STD-002 solderability requirements, and the UL 94V-0 rated epoxy ensures flame resistance. These certifications make the ESH3B V7G suitable for global commercial and industrial deployments where regulatory compliance is mandatory.

What is the reverse recovery time (t_rr) test condition for the ESH3B V7G?

The ESH3B V7G reverse recovery time is specified as ≤20 ns under the standardized test condition: I_F = 0.5 A, I_R = 1.0 A, and I_rr = 0.25 A, per JEDEC methodology. This measurement reflects real-world behavior in high-frequency switching circuits. The ESH3B V7G's fast t_rr directly reduces switching loss and EMI compared to standard fast recovery diodes, especially in 200–500 kHz SMPS designs.

Is the ESH3B V7G suitable for automated SMT assembly?

Yes, the ESH3B V7G is explicitly designed for automated placement, with a DO-214AB (SMC) package optimized for standard SMT feeders and vision alignment. Its low-profile geometry, matte tin leads, and MSL Level 1 rating (per J-STD-020) allow indefinite floor life and standard reflow profiles without pre-baking. The ESH3B V7G's mechanical robustness and consistent marking support high-yield, high-throughput manufacturing of telecom and computing power supplies.

How does the ESH3B V7G compare to the ESH3C and ESH3D variants?

The ESH3B V7G is the 100 V variant in the ESH3x family; ESH3C is rated for 150 V V_RRM, and ESH3D for 200 V. All share identical package (DO-214AB), thermal specs (R_θJL = 12 °C/W), t_rr (≤20 ns), and I_F/I_FSM ratings. The ESH3B V7G is selected when system-level reverse voltage stress remains below 100 V - offering optimal cost-performance balance for mid-voltage DC-DC and adapter applications.

ESH3B V7G 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):: 100 V

Current - Average Rectified (Io):: 3A

Voltage - Forward (Vf) (Max) @ If:: -

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

Reverse Recovery Time (trr):: 20 ns

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

Capacitance @ Vr, F:: 45pF @ 4V, 1MHz

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: DO-214AB (SMC)

Operating Temperature - Junction:: -55°C ~ 175°C

ESH3B V7G FAQ

1.How can I place an order for ESH3B V7G through Aetrix?

Please submit a Request for Quotation (RFQ) for ESH3B V7G 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 ESH3B V7G reliable?

The price and inventory of ESH3B V7G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ESH3B V7G is usually 5 days.

3.What payment methods are accepted for ESH3B V7G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ESH3B V7G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ESH3B V7G?

ESH3B V7G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ESH3B V7G 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 ESH3B V7G?

For technical support, including ESH3B V7G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ESH3B V7G requirements.

6.How does Aetrix verify that ESH3B V7G is sourced from the original manufacturer or authorized distributors?

All ESH3B V7G 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 ESH3B V7G meets industry standards.

7.What is the process for return or replacement of ESH3B V7G?

All ESH3B V7G units undergo pre-shipment inspection (PSI). If there is an issue with ESH3B V7G, 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 ESH3B V7G part is unused and in its original packaging.

Return procedure for ESH3B V7G:

1.Submit a request within 90 days.

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

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