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

Taiwan Semiconductor Corporation 2A04GH

Name: 2A04GH
Brand: Taiwan Semiconductor Corporation
SKU: 2A04GH
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 2A04GH

Manufacturer:: Taiwan Semiconductor Corporation

Category:: Single Diodes

Package:: DO-204AC, DO-15, Axial

Datasheet:: 2A04GH.pdf

Description:: DIODE GEN PURP 400V 2A DO204AC

Quantity:: RFQ Add To RFQ list

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Inventory:6,920

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Product details

Overview

2A04GH from Taiwan Semiconductor is a glass-passivated standard rectifier diode rated for 400 V repetitive peak reverse voltage, 2 A average forward current, and 70 A non-repetitive surge current, with 1.0 V typical forward voltage at 2 A and 25°C. It serves as a primary AC/DC input rectifier in compact power supplies and DC-DC converters.

For engineers reviewing the 2A04GH datasheet, 2A04GH pinout, 2A04GH application, or 2A04GH equivalent, key selection criteria include its AEC-Q101 qualification, DO-204AC (DO-15) package compatibility, thermal resistance (R_θJL = 25°C/W), junction capacitance (15 pF), and low leakage (≤5 µA @ 25°C).

Technical Context

This device implements a single-die silicon PN junction rectifier structure with glass passivation for enhanced reliability and moisture resistance. Its 150°C maximum junction temperature and JESD201 Class 2 whisker resistance support operation in automotive under-hood environments.

The 2A04GH delivers stable conduction under pulsed loads (8.3 ms half-sine I_FSM = 70 A) and maintains low reverse leakage (<100 µA @ 125°C), enabling use in high-efficiency switching topologies where thermal stability and leakage control are critical.

Key Specifications

Parameter	Value and Actual Design Meaning
V_RRM	400 V - Maximum reverse voltage before breakdown; defines safe operating range in bridge or single-phase rectifier inputs.
I_F	2 A - Continuous average forward current; sets minimum heatsinking requirement for sustained conduction.
I_FSM	70 A - Peak non-repetitive surge current; supports inrush tolerance during cold-start in SMPS designs.
V_F @ 2 A, 25°C	1.0 V - Forward voltage drop; directly determines conduction loss (2 W per diode at full load).
R_θJL	25 °C/W - Junction-to-lead thermal resistance; enables direct PCB copper pour thermal path design without external heatsink.
C_J @ 1 MHz, 4 V	15 pF - Junction capacitance; impacts high-frequency switching noise and EMI filter sizing in PFC stages.
I_R @ V_R, 25°C	≤5 µA - Reverse leakage current; critical for low-power standby efficiency and high-impedance bias networks.

Pinout & Package

Package: DO-204AC (DO-15), axial leaded, epoxy-molded case with cathode band polarity marking. Leads are pure tin-plated and solderable per J-STD-002.

Pin/Terminal	Circuit Role	Design Meaning
Anode (Lead 1)	Forward current entry point	Connected to AC input or transformer secondary; must withstand full surge current and thermal cycling.
Cathode (Lead 2)	Forward current exit point	Connected to bulk capacitor or output rail; marked by visible band; carries full DC output current.

Key Features

Feature	Design Value
AEC-Q101 qualified	Validated for automotive-grade reliability including temperature cycling, HTRB, and mechanical shock per AEC standard.
Glass passivated junction	Prevents moisture-induced degradation and improves long-term parameter stability in humid environments.
Low V_F (1.0 V typ.)	Reduces conduction losses by ~15% vs. legacy 1.15 V rectifiers at 2 A, improving efficiency in 5–24 V output SMPS.
RoHS & halogen-free	Complies with IEC 61249-2-21; eliminates brominated flame retardants and supports lead-free reflow assembly.
Junction-to-lead R_θJL = 25°C/W	Enables direct thermal coupling to PCB copper; allows >1.5 W dissipation with 2 cm² 2-oz copper pad.

Applications

AC/DC Front-End Rectification	Automotive DC-DC Converter Input Stage
Use Scenario: Single-phase bridge rectifier in offline 5–24 V SMPS for industrial IoT gateways. IC Role / Device Role / Timing Role: Primary rectifying element converting 85–265 VAC to pulsating DC prior to bulk filtering and PWM regulation. Use Value: 400 V V_RRM provides 2× safety margin over 265 VAC peak (375 V); 70 A I_FSM handles cold-start surges without derating.	Use Scenario: Input rectifier in 12 V to 5 V/3.3 V buck converter for ADAS camera modules. IC Role / Device Role / Timing Role: Converts alternator-derived 13.5–16 VAC ripple (from rectified alternator output) to stable DC bus. Use Value: AEC-Q101 qualification ensures operation at −40°C to +125°C ambient; 150°C T_JMAX supports under-hood thermal budgets.
General-Purpose Power Supply Rectification	Switching Inverter Freewheeling Diode
Use Scenario: Output rectifier in isolated flyback adapter for consumer electronics. IC Role / Device Role / Timing Role: Conducts during transformer demagnetization phase; recovers stored energy into output capacitor. Use Value: 15 pF C_J minimizes capacitive turn-on loss; 1.0 V V_F reduces conduction loss at 2 A continuous load.	Use Scenario: Freewheeling path for inductive load in 24 V industrial motor drive half-bridge. IC Role / Device Role / Timing Role: Provides low-loss return path for inductive current when high-side switch turns off. Use Value: 70 A I_FSM accommodates motor stall currents; glass passivation prevents failure in dusty/vibrating environments.

AC/DC Front-End Rectification

Automotive DC-DC Converter Input Stage

Use Scenario: Single-phase bridge rectifier in offline 5–24 V SMPS for industrial IoT gateways.

IC Role / Device Role / Timing Role: Primary rectifying element converting 85–265 VAC to pulsating DC prior to bulk filtering and PWM regulation.

Use Value: 400 V V_RRM provides 2× safety margin over 265 VAC peak (375 V); 70 A I_FSM handles cold-start surges without derating.

Use Scenario: Input rectifier in 12 V to 5 V/3.3 V buck converter for ADAS camera modules.

IC Role / Device Role / Timing Role: Converts alternator-derived 13.5–16 VAC ripple (from rectified alternator output) to stable DC bus.

Use Value: AEC-Q101 qualification ensures operation at −40°C to +125°C ambient; 150°C T_JMAX supports under-hood thermal budgets.

General-Purpose Power Supply Rectification

Switching Inverter Freewheeling Diode

Use Scenario: Output rectifier in isolated flyback adapter for consumer electronics.

IC Role / Device Role / Timing Role: Conducts during transformer demagnetization phase; recovers stored energy into output capacitor.

Use Value: 15 pF C_J minimizes capacitive turn-on loss; 1.0 V V_F reduces conduction loss at 2 A continuous load.

Use Scenario: Freewheeling path for inductive load in 24 V industrial motor drive half-bridge.

IC Role / Device Role / Timing Role: Provides low-loss return path for inductive current when high-side switch turns off.

Use Value: 70 A I_FSM accommodates motor stall currents; glass passivation prevents failure in dusty/vibrating environments.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STTH2R04DJF	TO-220AC package, 400 V V_RRM, 2 A I_F, 1.15 V V_F max @ 2 A, no AEC-Q101 rating	Requires heatsink due to higher R_θJA; not qualified for automotive use	Select when board space permits TO-220 mounting and AEC-Q101 is not required.
ON Semi MUR240G	DO-204AC package, 400 V V_RRM, 2 A I_F, 1.25 V V_F max @ 2 A, AEC-Q101 qualified	Higher forward drop increases conduction loss by ~0.5 W at full load	Select when cross-manufacturer second sourcing is needed and 0.25 V higher V_F is acceptable.

Compared with STTH2R04DJF and MUR240G, the 2A04GH offers lower forward voltage (1.0 V typ.), AEC-Q101 qualification in a compact DO-15 package, and superior thermal resistance-making it optimal for space-constrained, thermally demanding automotive and industrial rectifier designs.

Availability

2A04GH is available at Aetrix Electronics and suitable for automotive infotainment power supplies, industrial DC-DC converters, and consumer AC/DC adapters requiring stable component supply and AEC-Q101 compliance.

Supply support for 2A04GH 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 devices, rectifiers, and protection components.

The 2A01G–2A07G series was designed specifically for cost-sensitive, high-reliability rectification in automotive, industrial, and consumer power conversion systems-emphasizing AEC-Q101 compliance, thermal robustness, and DO-15 footprint compatibility.

FAQ

What is the maximum junction temperature rating for the 2A04GH?

The 2A04GH has a maximum junction temperature (T_JMAX) of +150°C, verified per JEDEC JESD22-A108. This rating enables reliable operation in high-ambient environments such as automotive engine compartments or enclosed industrial enclosures. Derating curves in the 2A04GH datasheet define allowable forward current versus case temperature, and thermal design must ensure junction temperature remains below 150°C under worst-case load and ambient conditions.

Is the 2A04GH pin-compatible with other DO-204AC rectifiers like 1N4007?

Yes, the 2A04GH uses the standard DO-204AC (DO-15) axial package with identical mechanical dimensions and lead spacing as 1N4007 and other industry-standard DO-15 rectifiers. The cathode band marking follows conventional polarity orientation, allowing direct PCB footprint reuse. However, electrical parameters-including 400 V V_RRM, 2 A I_F, and AEC-Q101 qualification-differ significantly from 1N4007 (1000 V, 1 A, non-automotive), so system-level validation is required.

Does the 2A04GH meet RoHS and halogen-free requirements?

Yes, the 2A04GH complies with EU RoHS Directive 2011/65/EU and is halogen-free per IEC 61249-2-21. The molding compound contains no brominated or chlorinated flame retardants, and the pure tin-plated leads are compatible with lead-free reflow soldering processes. Certificate of Compliance and material declarations are available upon request from Aetrix Electronics for full regulatory documentation.

What is the typical forward voltage of the 2A04GH at 2 A and 125°C?

The 2A04GH exhibits a typical forward voltage of approximately 0.85 V at 2 A and 125°C, based on the device's positive temperature coefficient and published V_F vs. T_J characteristics. This value is lower than its 25°C rating (1.0 V typ.) and reflects reduced barrier potential at elevated junction temperatures-critical for predicting conduction loss in thermally stressed operation.

How does the AEC-Q101 qualification impact the 2A04GH's use in automotive applications?

The AEC-Q101 qualification confirms that the 2A04GH has passed stress tests including high-temperature reverse bias (HTRB), temperature cycling, and mechanical shock-specifically validating its suitability for automotive power electronics. This certification allows direct use in non-safety-critical automotive subsystems (e.g., body control modules, infotainment power rails) without additional component-level qualification, reducing time-to-market for Tier 1 suppliers using the 2A04GH.

2A04GH Specifications

Product attributes: Attribute value

Manufacturer:: Taiwan Semiconductor Corporation

Series:: -

Package/Case:: DO-204AC, DO-15, Axial

Packaging:: Tape & Reel (TR)

Product Status:: Active

Technology:: Standard

Voltage - DC Reverse (Vr) (Max):: 400 V

Current - Average Rectified (Io):: 2A

Voltage - Forward (Vf) (Max) @ If:: 1 V @ 2 A

Speed:: Standard Recovery >500ns, > 200mA (Io)

Reverse Recovery Time (trr):: -

Current - Reverse Leakage @ Vr:: 5 µA @ 400 V

Capacitance @ Vr, F:: 15pF @ 4V, 1MHz

Grade:: Automotive

Qualification:: AEC-Q101

Mounting Type:: Through Hole

Supplier Device Package:: DO-204AC (DO-15)

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

2A04GH FAQ

1.How can I place an order for 2A04GH through Aetrix?

Please submit a Request for Quotation (RFQ) for 2A04GH 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 2A04GH reliable?

The price and inventory of 2A04GH are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 2A04GH is usually 5 days.

3.What payment methods are accepted for 2A04GH?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 2A04GH transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 2A04GH?

2A04GH orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 2A04GH 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 2A04GH?

For technical support, including 2A04GH datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 2A04GH requirements.

6.How does Aetrix verify that 2A04GH is sourced from the original manufacturer or authorized distributors?

All 2A04GH 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 2A04GH meets industry standards.

7.What is the process for return or replacement of 2A04GH?

All 2A04GH units undergo pre-shipment inspection (PSI). If there is an issue with 2A04GH, 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 2A04GH part is unused and in its original packaging.

Return procedure for 2A04GH:

1.Submit a request within 90 days.

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

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