HER206-TP Equivalent & Substitute Parts

Part Overview

The HER206-TP is a general-purpose rectifier diode rated for 600 V DC reverse voltage and 2 A average rectified current in a DO-15 through-hole package. Manufactured by Micro Commercial Co, this component is classified as obsolete. Due to its obsolete status, equivalent and substitute parts from active manufacturers are necessary for ongoing design support, production continuity, and component sourcing. The substitute parts listed maintain electrical compatibility within the specified parameter ranges while offering active product status and improved availability.

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
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	—
Reverse Recovery Time (trr)	75	ns
Current - Reverse Leakage @ Vr	5	µA @ 600 V
Mounting Type	Through Hole	—
Package / Case	DO-204AC, DO-15, Axial	—
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution of the HER206-TP is determined by the following critical parameters:

Voltage Rating: All substitute parts maintain 600 V DC reverse voltage maximum, ensuring compatibility in circuits designed for this voltage class.

Current Rating: Substitute parts are grouped into two categories:

Full Current Equivalents (2 A): Parts maintaining the 2 A average rectified current specification
Reduced Current Substitutes (1.5 A): Parts with lower current rating, suitable only for applications with reduced current requirements

Recovery Speed: Substitute parts are classified as either fast recovery (≤ 500 ns) or standard recovery (> 500 ns). Fast recovery parts are direct equivalents; standard recovery parts represent a functional trade-off.

Package Compatibility: All substitute parts use DO-15 or DO-204AC (DO-15) axial through-hole packages, maintaining mechanical and electrical interface compatibility.

Forward Voltage: Substitute parts maintain forward voltage specifications at rated current, ensuring thermal and efficiency characteristics remain within acceptable ranges.

Temperature Range: Operating temperature ranges are specified for each substitute part; parts with extended ranges (-65°C to 175°C) provide broader environmental compatibility.

Product Status: Active substitute parts ensure long-term availability and manufacturing support, addressing the obsolescence of the original HER206-TP.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Vr (Max) [V]	Io [A]	Vf (Max) @ If [V]	Speed	trr [ns]	Ir @ Vr [µA]	Tj (Min-Max) [°C]	Product Status	Package
HER206-TP	Micro Commercial Co	600	2	1.7 @ 2 A	Fast Recovery ≤ 500ns	75	5 @ 600 V	-55 to 150	Obsolete	DO-15
GP15J-E3/73	Vishay General Semiconductor	600	1.5	1.1 @ 1.5 A	Standard Recovery > 500ns	3500	5 @ 600 V	-65 to 175	Active	DO-204AC (DO-15)
ER206_R2_00001	Panjit International Inc.	600	2	1.7 @ 2 A	Fast Recovery ≤ 500ns	35	1 @ 600 V	-55 to 150	Active	DO-15
HER206G	Taiwan Semiconductor Corporation	600	2	1.7 @ 2 A	Fast Recovery ≤ 500ns	75	5 @ 600 V	-55 to 150	Active	DO-204AC (DO-15)
SF28G	Taiwan Semiconductor Corporation	600	2	1.7 @ 2 A	Fast Recovery ≤ 500ns	35	5 @ 600 V	-55 to 150	Active	DO-204AC (DO-15)
SF28GH	Taiwan Semiconductor Corporation	600	2	1.7 @ 2 A	Fast Recovery ≤ 500ns	35	5 @ 600 V	-55 to 150	Active	DO-204AC (DO-15)
SF2L8G	Taiwan Semiconductor Corporation	600	2	1.7 @ 2 A	Fast Recovery ≤ 500ns	35	1 @ 600 V	-55 to 150	Active	DO-204AC (DO-15)
SF2L8GH	Taiwan Semiconductor Corporation	600	2	1.7 @ 2 A	Fast Recovery ≤ 500ns	35	1 @ 600 V	-55 to 150	Active	DO-204AC (DO-15)
UF206G_R2_00001	Panjit International Inc.	600	2	1.7 @ 2 A	Fast Recovery ≤ 500ns	100	1 @ 600 V	-55 to 150	Active	DO-15

Engineering Selection Recommendations

Primary Equivalents (Full Parameter Match):

The following parts provide complete electrical and mechanical equivalence to the HER206-TP:

HER206G (Taiwan Semiconductor Corporation): Identical electrical specifications including 600 V, 2 A, 1.7 V forward voltage, and 75 ns reverse recovery time. Active product status with ROHS3 compliance and unlimited moisture sensitivity level. Suitable for direct replacement in existing designs.
ER206_R2_00001 (Panjit International Inc.): Meets all electrical requirements with 600 V, 2 A, and 1.7 V forward voltage. Offers improved reverse recovery time (35 ns) and lower reverse leakage (1 µA). Active product status with REACH compliance.
SF28G (Taiwan Semiconductor Corporation): Provides 600 V, 2 A operation with improved reverse recovery time (35 ns). Highest inventory availability (30,200 pcs). Active product status with ROHS3 compliance.

Secondary Equivalents (Enhanced Performance):

SF2L8G and SF2L8GH (Taiwan Semiconductor Corporation): Maintain full 2 A current rating with improved reverse leakage (1 µA vs. 5 µA). SF2L8GH includes AEC-Q101 automotive qualification for applications requiring automotive-grade components.
SF28GH (Taiwan Semiconductor Corporation): Includes AEC-Q101 automotive qualification while maintaining standard commercial specifications. Suitable for automotive and industrial applications requiring enhanced reliability.
UF206G_R2_00001 (Panjit International Inc.): Maintains 2 A rating with lower reverse leakage (1 µA). Tape & Reel packaging supports high-volume production environments.

Functional Substitute (Reduced Current):

GP15J-E3/73 (Vishay General Semiconductor): Rated for 1.5 A average rectified current with 600 V reverse voltage. Standard recovery speed (3500 ns) represents a functional trade-off. Extended operating temperature range (-65°C to 175°C) provides broader environmental compatibility. Suitable only for applications where 1.5 A current capacity is sufficient.

Compliance and Availability:

All substitute parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Active product status ensures manufacturing continuity and long-term availability. Selection should prioritize parts with active status to avoid future obsolescence.

Frequently Asked Questions (FAQ)

Q: Can GP15J-E3/73 be used as a direct replacement for HER206-TP?

A: GP15J-E3/73 is a functional substitute only for applications where the 1.5 A current rating is sufficient. The HER206-TP is rated for 2 A; GP15J-E3/73 provides 1.5 A. Additionally, GP15J-E3/73 uses standard recovery speed (3500 ns) compared to the fast recovery speed (≤ 500 ns) of HER206-TP. This part is suitable only for reduced-current applications.

Q: What is the difference between SF28G and SF2L8G?

A: Both parts maintain identical electrical specifications: 600 V, 2 A, 1.7 V forward voltage, and 35 ns reverse recovery time. The primary difference is reverse leakage current: SF28G specifies 5 µA at 600 V, while SF2L8G specifies 1 µA at 600 V. SF2L8G offers lower leakage, which reduces standby power consumption in applications sensitive to reverse leakage.

Q: Are automotive-qualified versions available?

A: Yes. SF28GH and SF2L8GH are both qualified to AEC-Q101 automotive standards. Both maintain the same electrical specifications as their non-automotive counterparts (600 V, 2 A, 35 ns recovery time) while meeting automotive reliability and qualification requirements.

Q: What is the significance of reverse recovery time differences?

A: Reverse recovery time (trr) affects switching speed and electromagnetic interference (EMI) characteristics. The HER206-TP specifies 75 ns. Substitute parts with shorter trr values (35 ns for SF28G, SF2L8G, SF2L8GH, SF28GH; 100 ns for UF206G_R2_00001) provide faster switching. Longer trr values (3500 ns for GP15J-E3/73) indicate standard recovery speed, suitable for lower-frequency applications.

Q: Can I use parts with different package designations interchangeably?

A: HER206-TP uses DO-15 package. Substitute parts use either DO-15 or DO-204AC (DO-15). These designations refer to the same physical package: axial through-hole configuration. Parts are mechanically and electrically interchangeable on the PCB. Verify supplier device package designation to confirm compatibility.

Q: What is the impact of forward voltage differences?

A: The HER206-TP specifies 1.7 V forward voltage at 2 A. All full-current equivalents maintain this specification. GP15J-E3/73 specifies 1.1 V at 1.5 A, which reflects its lower current rating. Forward voltage affects power dissipation and thermal characteristics. Identical forward voltage specifications ensure equivalent thermal performance.

Q: Why do some parts have lower reverse leakage current?

A: Reverse leakage current (Ir) represents the small current flowing through the diode in reverse bias. Lower leakage (1 µA vs. 5 µA) reduces standby power consumption and improves circuit efficiency. Parts with lower leakage (ER206_R2_00001, SF2L8G, SF2L8GH, UF206G_R2_00001) are preferred for battery-powered or low-power applications.

Q: What does ROHS3 compliance mean?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting lead, cadmium, mercury, and other hazardous materials. All listed substitute parts are ROHS3 compliant, ensuring environmental and regulatory compliance for modern applications.

Q: How does operating temperature range affect part selection?

A: The HER206-TP operates from -55°C to 150°C. Most substitute parts maintain this range. GP15J-E3/73 extends to -65°C to 175°C, providing broader environmental compatibility for extreme temperature applications. Select based on the actual operating temperature requirements of the application.

Q: What packaging options are available?

A: Substitute parts are available in Cut Tape (CT), Tape & Box (TB), and Tape & Reel (TR) packaging. Cut Tape and Tape & Reel are standard for component distributors. Tape & Box packaging is typical for smaller quantities. Select packaging based on production volume and procurement requirements.

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