2A02GHB0G Equivalent & Substitute Parts

Part Overview

The 2A02GHB0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 100 V DC reverse voltage and 2 A average rectified current in a DO-204AC (DO-15) through-hole axial package. This diode is classified as Active product status with AEC-Q101 automotive qualification and ROHS3 compliance. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	100	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 2 A	V
Current - Reverse Leakage @ Vr	5	µA @ 100 V
Package / Case	DO-204AC, DO-15, Axial	—
Mounting Type	Through Hole	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the 2A02GHB0G are grouped based on strict electrical and mechanical compatibility criteria. All substitute diodes must meet the following mandatory parameters:

Primary Substitution Criteria:

Voltage - DC Reverse (Vr) (Max): 100 V minimum
Current - Average Rectified (Io): 2 A minimum
Package / Case: DO-204AC, DO-15, or Axial equivalent
Mounting Type: Through Hole
Current - Reverse Leakage @ Vr: 5 µA @ 100 V maximum

Secondary Compatibility Factors:

Voltage - Forward (Vf) (Max) @ If: Must not exceed application requirements
Operating Temperature - Junction: Must support application thermal range
Product Status: Active
RoHS Compliance: ROHS3 Compliant

Parts that meet all primary criteria are classified as direct substitutes. Parts with reduced current ratings (1.5 A) are listed separately as they do not meet the 2 A minimum requirement and are suitable only for applications with lower current demands.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	Ir @ Vr [µA]	Package	Tj (°C)	Product Status
2A02GHB0G	Taiwan Semiconductor Corporation	100	2	1.1 @ 2 A	Standard Recovery >500ns	5 @ 100 V	DO-204AC (DO-15)	-55 to 150	Active
EGP20B	Fairchild Semiconductor	100	2	0.95 @ 2 A	Fast Recovery ≤500ns	5 @ 100 V	DO-15	-65 to 150	Active
EGP20B-E3/54	Vishay General Semiconductor - Diodes Division	100	2	0.95 @ 2 A	Fast Recovery ≤500ns	5 @ 100 V	DO-204AC (DO-15)	-65 to 150	Active
EGP20B-E3/73	Vishay General Semiconductor - Diodes Division	100	2	0.95 @ 2 A	Fast Recovery ≤500ns	5 @ 100 V	DO-204AC (DO-15)	-65 to 150	Active
GP15B-E3/54	Vishay General Semiconductor - Diodes Division	100	1.5	1.1 @ 1.5 A	Standard Recovery >500ns	5 @ 100 V	DO-204AC (DO-15)	-65 to 175	Active
GPP20B-E3/54	Vishay General Semiconductor - Diodes Division	100	2	1.1 @ 2 A	Standard Recovery >500ns	5 @ 100 V	DO-204AC (DO-15)	-55 to 150	Active
RGP15B-E3/54	Vishay General Semiconductor - Diodes Division	100	1.5	1.3 @ 1.5 A	Fast Recovery ≤500ns	5 @ 100 V	DO-204AC (DO-15)	-65 to 175	Active

Engineering Selection Recommendations

Direct Substitutes (2 A Rating):

The following parts meet all primary substitution criteria and are electrically and mechanically compatible with the 2A02GHB0G:

EGP20B-E3/54 (Vishay): Meets all electrical requirements with identical package specification DO-204AC (DO-15). Extended operating temperature range (-65 to 150°C) provides additional thermal margin. Fast recovery characteristic (≤500ns) differs from the main part but does not preclude substitution. ROHS3 compliant and Active product status.
EGP20B-E3/73 (Vishay): Identical electrical and mechanical specifications to EGP20B-E3/54. Highest inventory availability (42,995 pcs) among all substitutes. ROHS3 compliant and Active product status.
GPP20B-E3/54 (Vishay): Matches the main part in voltage, current, forward voltage, and recovery speed characteristics. Identical operating temperature range (-55 to 150°C) and package specification. ROHS3 compliant and Active product status.
EGP20B (Fairchild Semiconductor): Meets voltage and current requirements with lower forward voltage (0.95 V @ 2 A). Package specification listed as DO-15 without explicit DO-204AC designation. Extended operating temperature range (-65 to 150°C). ROHS3 compliance status not provided in input data.

Partial Substitutes (1.5 A Rating):

The following parts do not meet the 2 A current requirement and are suitable only for applications with maximum current demand of 1.5 A:

GP15B-E3/54 (Vishay): Rated for 1.5 A average rectified current. Voltage and reverse leakage specifications match the main part. Standard recovery speed matches main part. Extended operating temperature range (-65 to 175°C). ROHS3 compliant and Active product status.
RGP15B-E3/54 (Vishay): Rated for 1.5 A average rectified current. Fast recovery characteristic (≤500ns, 150 ns trr). Extended operating temperature range (-65 to 175°C). Forward voltage specification (1.3 V @ 1.5 A) exceeds main part forward voltage. ROHS3 compliant and Active product status.

Frequently Asked Questions (FAQ)

Q: Can EGP20B-E3/73 be used as a direct replacement for 2A02GHB0G?

A: Yes. EGP20B-E3/73 meets all primary substitution criteria: 100 V reverse voltage rating, 2 A average rectified current, DO-204AC (DO-15) axial through-hole package, 5 µA reverse leakage at 100 V, and ROHS3 compliance. The extended operating temperature range (-65 to 150°C) provides additional thermal margin compared to the main part (-55 to 150°C).

Q: What is the difference between fast recovery and standard recovery diodes in this comparison?

A: Recovery speed is specified in the input data as either "Standard Recovery >500ns" or "Fast Recovery ≤500ns" at currents greater than 200 mA. The 2A02GHB0G uses standard recovery (>500ns). Substitute parts EGP20B, EGP20B-E3/54, and EGP20B-E3/73 use fast recovery (≤500ns). Both recovery speeds are compatible with the same voltage and current ratings. Selection between recovery speeds depends on application-specific switching frequency and circuit requirements not specified in this reference.

Q: Why are GP15B-E3/54 and RGP15B-E3/54 listed as substitutes if they are rated for only 1.5 A?

A: These parts are listed because they appear in the substitute list provided for the main part. However, they do not meet the primary substitution criterion of 2 A minimum current rating. These parts are suitable only for applications where the maximum required current is 1.5 A or less. They must not be used in circuits designed for 2 A operation.

Q: Are all substitute parts automotive qualified like the main part?

A: The main part 2A02GHB0G carries AEC-Q101 automotive qualification. The input data does not specify AEC-Q101 qualification status for any substitute parts. Automotive qualification status must be verified through manufacturer datasheets if automotive-grade components are required.

Q: What is the significance of the different packaging designations (Cut Tape vs. Bulk)?

A: Packaging designation refers to the supply format, not the component package itself. Cut Tape (CT) indicates the diode is supplied on continuous tape suitable for automated pick-and-place assembly. Bulk indicates loose components. All parts listed use identical DO-204AC (DO-15) axial through-hole component packages and are mechanically interchangeable. Packaging format selection depends on assembly process requirements, not electrical compatibility.

Q: Can GPP20B-E3/54 replace 2A02GHB0G in all applications?

A: Yes, within the specified operating parameters. GPP20B-E3/54 matches the main part in voltage rating (100 V), current rating (2 A), forward voltage (1.1 V @ 2 A), recovery speed (standard >500ns), reverse leakage (5 µA @ 100 V), and operating temperature range (-55 to 150°C). Package and mounting type are identical. ROHS3 compliance is confirmed.

Q: What is the impact of forward voltage differences between substitute parts?

A: Forward voltage differences are specified in the input data. The main part specifies 1.1 V @ 2 A. EGP20B, EGP20B-E3/54, and EGP20B-E3/73 specify 0.95 V @ 2 A (lower forward voltage). RGP15B-E3/54 specifies 1.3 V @ 1.5 A (higher forward voltage). Forward voltage affects power dissipation and voltage drop across the diode during conduction. Circuit design must account for these differences if precise voltage regulation or power budget calculations are critical.

Q: Is the 2A02GHB0G still in active production?

A: Yes. The product status is listed as Active. All substitute parts are also listed with Active product status, indicating current availability and ongoing manufacturer support.

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