RS1DL MHG Equivalent & Substitute Parts

Part Overview

The RS1DL MHG is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 200 V DC reverse voltage and 800 mA average rectified current in a Sub SMA surface mount package. This component is classified as Active product status and complies with ROHS3 and REACH standards. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or application-specific requirements within the specified parameter ranges.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	800	mA
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 800 mA	V
Reverse Recovery Time (trr)	150	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	-
Package / Case	DO-219AB	-
Mounting Type	Surface Mount	-
Operating Temperature - Junction	-55 to 150	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the RS1DL MHG are grouped based on the following critical parameters that determine functional equivalence:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 200 V
Package / Case: DO-219AB
Mounting Type: Surface Mount
Speed Classification: Fast Recovery ≤ 500ns, > 200mA (Io)
RoHS Status: ROHS3 Compliant

Secondary Compatibility Considerations:

Current - Average Rectified (Io): Rated at or above 800 mA
Operating Temperature Range: Minimum -55°C junction temperature
Reverse Recovery Time (trr): ≤ 500 ns

The RS1DL part itself serves as a parametric equivalent when packaging format differs (Tape & Reel versus individual packaging). Parts RS07D-GS08, VS-1EFH02-M3/I, and VS-2EFH02HM3/I are classified as similar alternatives that maintain the 200 V reverse voltage rating and DO-219AB package while offering different current ratings and performance characteristics.

Parameter Comparison

Parameter	RS1DL MHG	RS1DL	RS07D-GS08	VS-1EFH02-M3/I	VS-2EFH02HM3/I
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	800 mA	800 mA	500 mA	1 A	2 A
Voltage - Forward (Vf) (Max) @ If	1.3 V @ 800 mA	1.3 V @ 800 mA	1.15 V @ 700 mA	930 mV @ 1 A	950 mV @ 2 A
Reverse Recovery Time (trr)	150 ns	150 ns	150 ns	16 ns	25 ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V	5 µA @ 200 V	10 µA @ 200 V	2 µA @ 200 V	2 µA @ 200 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Package / Case	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Operating Temperature - Junction	-55 to 150°C	-55 to 150°C	-55 to 150°C	-65 to 175°C	-65 to 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active	Active

Engineering Selection Recommendations

RS1DL (Parametric Equivalent)

The RS1DL is an exact parametric match to the RS1DL MHG, differing only in packaging format (Tape & Reel versus individual packaging). This part maintains identical electrical specifications including 200 V reverse voltage, 800 mA average rectified current, 1.3 V forward voltage at 800 mA, and 150 ns reverse recovery time. Both parts are manufactured by Taiwan Semiconductor Corporation and comply with ROHS3 standards. Selection of RS1DL is appropriate when Tape & Reel packaging is acceptable for production environments.

RS07D-GS08 (Similar Alternative - Lower Current Rating)

The RS07D-GS08 is manufactured by Vishay General Semiconductor - Diodes Division and maintains the 200 V reverse voltage rating and DO-219AB package. This part is rated for 500 mA average rectified current, which is lower than the RS1DL MHG specification of 800 mA. The RS07D-GS08 features automotive-grade qualification (AEC-Q101) and identical reverse recovery time of 150 ns. This part is suitable for applications where current requirements do not exceed 500 mA and automotive-grade reliability is required.

VS-1EFH02-M3/I (Similar Alternative - Higher Current Rating)

The VS-1EFH02-M3/I is manufactured by Vishay General Semiconductor - Diodes Division as part of the FRED Pt® series. This part maintains the 200 V reverse voltage rating and DO-219AB package while offering 1 A average rectified current capacity. The VS-1EFH02-M3/I features significantly improved reverse recovery time of 16 ns compared to 150 ns for the RS1DL MHG, and lower reverse leakage current of 2 µA. Operating temperature range extends to -65 to 175°C. This part is suitable for applications requiring higher current capacity and faster switching performance.

VS-2EFH02HM3/I (Similar Alternative - Highest Current Rating)

The VS-2EFH02HM3/I is manufactured by Vishay General Semiconductor - Diodes Division as part of the FRED Pt® series. This part maintains the 200 V reverse voltage rating and DO-219AB package while offering 2 A average rectified current capacity. The VS-2EFH02HM3/I features automotive-grade qualification (AEC-Q101), reverse recovery time of 25 ns, and reverse leakage current of 2 µA. Operating temperature range extends to -65 to 175°C. This part is suitable for applications requiring the highest current capacity within the 200 V rating class and automotive-grade reliability.

Frequently Asked Questions (FAQ)

Q: Can RS1DL be used as a direct replacement for RS1DL MHG?

A: Yes. RS1DL is a parametric equivalent with identical electrical specifications. The only difference is packaging format: RS1DL is supplied in Tape & Reel format while RS1DL MHG may be supplied in alternative packaging. Both parts are manufactured by Taiwan Semiconductor Corporation and comply with ROHS3 standards.

Q: What is the primary difference between RS07D-GS08 and RS1DL MHG?

A: The RS07D-GS08 is rated for 500 mA average rectified current compared to 800 mA for the RS1DL MHG. Both maintain 200 V reverse voltage rating and DO-219AB package. The RS07D-GS08 includes automotive-grade qualification (AEC-Q101). Selection depends on whether the application current requirement is 500 mA or higher.

Q: Why do VS-1EFH02-M3/I and VS-2EFH02HM3/I have lower reverse recovery times?

A: VS-1EFH02-M3/I and VS-2EFH02HM3/I are part of the FRED Pt® series, which incorporates advanced fast recovery diode technology. These parts feature reverse recovery times of 16 ns and 25 ns respectively, compared to 150 ns for the RS1DL MHG. This faster switching characteristic reduces switching losses in high-frequency applications.

Q: Are all substitute parts compatible with the same PCB layout?

A: Yes. All listed substitute parts use the DO-219AB package in surface mount configuration. PCB footprints and land patterns are identical across all parts listed in this document.

Q: Which substitute part should be selected for automotive applications?

A: RS07D-GS08 and VS-2EFH02HM3/I both carry automotive-grade qualification (AEC-Q101). Selection between these depends on current requirements: RS07D-GS08 for 500 mA applications and VS-2EFH02HM3/I for 2 A applications.

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

A: Forward voltage varies across the substitute parts: RS1DL MHG at 1.3 V @ 800 mA, RS07D-GS08 at 1.15 V @ 700 mA, VS-1EFH02-M3/I at 930 mV @ 1 A, and VS-2EFH02HM3/I at 950 mV @ 2 A. Lower forward voltage reduces power dissipation. Selection should account for circuit design requirements and thermal management considerations.

Q: Can VS-1EFH02-M3/I or VS-2EFH02HM3/I be used in applications designed for RS1DL MHG?

A: Yes, provided the application circuit can accommodate higher current capacity and faster switching characteristics. Both parts maintain 200 V reverse voltage rating and DO-219AB package compatibility. The lower reverse recovery times and reverse leakage currents of these parts may improve circuit performance in switching applications.

Q: What is the difference in operating temperature range between substitute parts?

A: RS1DL MHG and RS1DL operate from -55 to 150°C junction temperature. VS-1EFH02-M3/I and VS-2EFH02HM3/I operate from -65 to 175°C, providing extended temperature range capability. Selection depends on application thermal environment requirements.

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