HER206G A0G Equivalent & Substitute Parts

Part Overview

The HER206G A0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 600 V DC reverse voltage and 2 A average rectified current. The device features fast recovery characteristics with a reverse recovery time of 75 ns and is packaged in the DO-204AC (DO-15) axial through-hole configuration. This diode is classified as Active product status and complies with RoHS3 and REACH regulations.

Equivalent and substitute parts are identified to support component procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when alternative sourcing is required.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	2	A
Voltage - Forward (Vf) (Max) @ If	1.7 @ 2 A	V
Reverse Recovery Time (trr)	75	ns
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Package / Case	DO-204AC, DO-15, Axial	—
Mounting Type	Through Hole	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitute parts for the HER206G A0G are classified based on electrical parameter equivalence and mechanical compatibility. The primary substitution criteria are:

Parametric Equivalents match all critical electrical specifications: 600 V reverse voltage rating, 2 A average rectified current, fast recovery speed (≤500 ns), and identical package configuration (DO-204AC/DO-15 axial through-hole). These parts are direct functional replacements with no circuit redesign required.

Direct Equivalents satisfy the same voltage and current ratings with identical package type but may exhibit minor variations in secondary parameters such as reverse recovery time or forward voltage characteristics within acceptable engineering tolerances.

Similar Parts maintain the 600 V voltage rating and DO-204AC/DO-15 package configuration but operate at reduced current ratings (1 A to 1.5 A). These parts are suitable for applications where the full 2 A current capacity is not required and provide alternative sourcing options.

The following parameters determine substitution validity:

Voltage - DC Reverse (Vr) (Max): 600 V (required)
Package / Case: DO-204AC, DO-15, Axial (required)
Mounting Type: Through Hole (required)
Current - Average Rectified (Io): 2 A (parametric equivalent), 1.5 A or 1 A (similar)

Parameter Comparison

Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	trr [ns]	Ir @ Vr [µA]	Package	Speed	Tj Range [°C]
HER206G A0G	Taiwan Semiconductor	600	2	1.7 @ 2 A	75	5 @ 600 V	DO-204AC (DO-15)	Fast Recovery ≤500ns	-55 to 150
SF28G	Taiwan Semiconductor	600	2	1.7 @ 2 A	35	5 @ 600 V	DO-204AC (DO-15)	Fast Recovery ≤500ns	-55 to 150
EGP20J	Fairchild Semiconductor	600	2	1.7 @ 2 A	75	5 @ 600 V	DO-204AC (DO-15)	Fast Recovery ≤500ns	-65 to 150
1N5397GP-E3/54	Vishay General Semiconductor	600	1.5	1.4 @ 1.5 A	2000	5 @ 600 V	DO-204AC (DO-15)	Standard Recovery >500ns	-65 to 175
1N5619GP-E3/54	Vishay General Semiconductor	600	1	1.2 @ 1 A	250	500 nA @ 600 V	DO-204AC (DO-15)	Fast Recovery ≤500ns	-65 to 175
GP15J-E3/54	Vishay General Semiconductor	600	1.5	1.1 @ 1.5 A	3500	5 @ 600 V	DO-204AC (DO-15)	Standard Recovery >500ns	-65 to 175
RGP15J-E3/54	Vishay General Semiconductor	600	1.5	1.3 @ 1.5 A	250	5 @ 600 V	DO-204AC (DO-15)	Fast Recovery ≤500ns	-65 to 175
RGP15J-E3/73	Vishay General Semiconductor	600	1.5	1.3 @ 1.5 A	250	5 @ 600 V	DO-204AC (DO-15)	Fast Recovery ≤500ns	-65 to 175

Engineering Selection Recommendations

Parametric Equivalent Selection:

The SF28G (Taiwan Semiconductor Corporation) and EGP20J (Fairchild Semiconductor) are parametric equivalents of the HER206G A0G. Both parts maintain the 600 V reverse voltage rating, 2 A average rectified current, fast recovery speed, and DO-204AC (DO-15) axial through-hole package. The SF28G exhibits superior reverse recovery time performance (35 ns versus 75 ns), while the EGP20J matches the original reverse recovery time specification. Both parts are Active product status with RoHS3 compliance and REACH unaffected status.

Direct Equivalent Selection:

The EGP20J provides direct functional equivalence with identical electrical performance and package configuration. This part is suitable for direct substitution in applications requiring no circuit modification.

Similar Part Selection for Reduced Current Applications:

The 1N5619GP-E3/54, RGP15J-E3/54, and RGP15J-E3/73 are suitable alternatives for applications where the average rectified current requirement does not exceed 1.5 A or 1 A respectively. These parts maintain the 600 V voltage rating and DO-204AC (DO-15) package compatibility. The RGP15J variants offer fast recovery characteristics (250 ns) and extended operating temperature range (-65°C to 175°C) compared to the primary part. All similar parts are Active product status with RoHS3 compliance and REACH unaffected status.

Compliance and Regulatory Considerations:

All substitute parts listed are RoHS3 compliant and REACH unaffected, matching the regulatory status of the HER206G A0G. All parts are classified as Active product status, ensuring continued availability and manufacturing support.

Frequently Asked Questions (FAQ)

Q: Can the SF28G replace the HER206G A0G in all applications?

A: Yes. The SF28G is a parametric equivalent with identical voltage rating (600 V), current rating (2 A), package configuration (DO-204AC/DO-15), and mounting type (through-hole). The SF28G exhibits improved reverse recovery time (35 ns versus 75 ns), which provides enhanced switching performance in high-frequency applications.

Q: What is the difference between the HER206G A0G and the 1N5619GP-E3/54?

A: The primary difference is the average rectified current rating. The HER206G A0G is rated for 2 A, while the 1N5619GP-E3/54 is rated for 1 A. Both parts share the same 600 V reverse voltage rating and DO-204AC (DO-15) package. The 1N5619GP-E3/54 is suitable only for applications where the current requirement does not exceed 1 A.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts listed are available in the DO-204AC (DO-15) axial through-hole package configuration, matching the mechanical compatibility of the HER206G A0G. Packaging variants (Cut Tape, Bulk) differ by supplier but do not affect electrical or mechanical compatibility.

Q: Can the RGP15J-E3/54 and RGP15J-E3/73 be used interchangeably?

A: Yes. Both parts are identical in electrical specifications and package configuration. The designation suffix (-E3/54 and -E3/73) indicates different supplier packaging or tape reel specifications but does not affect functional performance or compatibility.

Q: What is the operating temperature range difference between the HER206G A0G and Vishay substitute parts?

A: The HER206G A0G operates from -55°C to 150°C junction temperature. Vishay substitute parts (1N5619GP-E3/54, RGP15J-E3/54, RGP15J-E3/73, GP15J-E3/54) operate from -65°C to 175°C, providing extended temperature range capability. This difference does not affect substitution validity in applications within the HER206G A0G temperature range.

Q: Is the EGP20J suitable for direct substitution without circuit modification?

A: Yes. The EGP20J is a direct equivalent with matching voltage rating (600 V), current rating (2 A), forward voltage (1.7 V @ 2 A), reverse recovery time (75 ns), and package configuration (DO-204AC/DO-15). No circuit modification is required.

Q: What factors should determine selection between parametric equivalents and similar parts?

A: Selection depends on application current requirements. Parametric equivalents (SF28G, EGP20J) are selected when the full 2 A current capacity is required. Similar parts (1N5619GP-E3/54, RGP15J variants) are selected when application current does not exceed 1.5 A or 1 A, providing alternative sourcing and potentially improved performance characteristics such as lower reverse leakage current or extended temperature range.

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