RS1DL RHG Equivalent & Substitute Parts

Part Overview

The RS1DL RHG 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 Surface Mount Sub SMA package (DO-219AB). This component is classified as a fast recovery diode with a reverse recovery time of 150 ns, suitable for standard rectification applications requiring moderate current handling at 200 V operation.

The part is currently Active in product status and ROHS3 compliant. Substitute parts are identified based on matching or exceeding the electrical performance parameters while maintaining compatibility with the DO-219AB package footprint and Surface Mount mounting technology.

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
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 RHG are classified into two categories based on electrical parameter compatibility:

Parametric Equivalent: Parts that match all critical electrical specifications (reverse voltage, current rating, recovery time, and package) with identical or superior performance characteristics.

Similar Parts: Parts that share the same reverse voltage rating and package form factor but differ in current capacity, forward voltage, or recovery time characteristics. These parts are suitable for applications where the design allows for higher current capability or improved performance parameters.

The substitution logic is based on the following criteria:

Reverse voltage rating must equal or exceed 200 V
Package must be DO-219AB (Sub SMA)
Mounting type must be Surface Mount
Operating temperature range must accommodate the application requirements
RoHS3 compliance must be maintained

Parameter Comparison

Parameter	RS1DL RHG	RS1DL	RS07D-GS08	VS-1EFH02-M3/I	VS-2EFH02HM3/I
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Vishay General Semiconductor	Vishay General Semiconductor	Vishay General Semiconductor
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
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 a direct parametric equivalent to the RS1DL RHG, offering identical electrical specifications and package configuration. The primary difference is packaging format: RS1DL is supplied in Tape & Reel (TR) format with significantly higher inventory availability (65,300 pcs vs. 900 pcs). Both parts maintain ROHS3 compliance and Active product status. Selection of RS1DL is appropriate when tape and reel packaging is acceptable for manufacturing processes.

RS07D-GS08 (Similar Part - Lower Current Rating)

The RS07D-GS08 is manufactured by Vishay General Semiconductor and shares the 200 V reverse voltage rating and DO-219AB package with the RS1DL RHG. However, this part is rated for 500 mA average rectified current, which is 300 mA lower than the RS1DL RHG specification. This part is qualified to AEC-Q101 automotive standards and carries Automotive grade designation. Selection of RS07D-GS08 is appropriate only for applications where the 500 mA current rating is sufficient and automotive qualification is required.

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

The VS-1EFH02-M3/I is manufactured by Vishay General Semiconductor as part of the FRED Pt® series. This part exceeds the RS1DL RHG specifications with a 1 A current rating and significantly improved reverse recovery time of 16 ns (compared to 150 ns). Forward voltage is reduced to 930 mV at 1 A. Operating temperature range extends to -65 to 175°C. Selection of VS-1EFH02-M3/I is appropriate for applications requiring higher current capacity or improved switching performance within the same 200 V voltage class.

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

The VS-2EFH02HM3/I is manufactured by Vishay General Semiconductor as part of the FRED Pt® series with a 2 A current rating. This part provides the highest current capacity among all listed substitutes with a reverse recovery time of 25 ns and forward voltage of 950 mV at 2 A. This part is qualified to AEC-Q101 automotive standards. Operating temperature range extends to -65 to 175°C. Selection of VS-2EFH02HM3/I is appropriate for applications requiring maximum current handling capability or automotive qualification within the 200 V voltage class.

Frequently Asked Questions (FAQ)

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

A: Yes. RS1DL is a parametric equivalent with identical electrical specifications (200 V, 800 mA, 150 ns recovery time) and the same DO-219AB package. The only difference is packaging format (Tape & Reel vs. individual packaging). Both parts are ROHS3 compliant and Active in product status.

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

A: The RS07D-GS08 has a lower current rating of 500 mA compared to the 800 mA rating of RS1DL RHG. Both share the same 200 V reverse voltage rating and DO-219AB package. RS07D-GS08 includes AEC-Q101 automotive qualification. Use RS07D-GS08 only if your application requires 500 mA or less and automotive qualification is necessary.

Q: Why would I select VS-1EFH02-M3/I over RS1DL RHG?

A: VS-1EFH02-M3/I offers higher current capacity (1 A vs. 800 mA) and significantly faster reverse recovery time (16 ns vs. 150 ns). These characteristics reduce switching losses and heat generation. Forward voltage is also lower (930 mV vs. 1.3 V at comparable current). Select this part if your design can benefit from improved performance or requires higher current handling.

Q: Is VS-2EFH02HM3/I suitable for all applications using RS1DL RHG?

A: VS-2EFH02HM3/I is electrically compatible with RS1DL RHG in terms of reverse voltage (200 V) and package (DO-219AB). However, this part is rated for 2 A, which exceeds the 800 mA requirement of RS1DL RHG. Use VS-2EFH02HM3/I when your application requires higher current capacity or when automotive qualification (AEC-Q101) is mandatory.

Q: Do all substitute parts maintain the same operating temperature range?

A: No. RS1DL RHG and RS1DL operate from -55 to 150°C. VS-1EFH02-M3/I and VS-2EFH02HM3/I extend the range to -65 to 175°C, providing wider temperature margin. Verify that your application temperature requirements are met by the selected substitute.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (RS1DL, RS07D-GS08, VS-1EFH02-M3/I, and VS-2EFH02HM3/I) are ROHS3 compliant and maintain REACH Unaffected status, matching the compliance profile of RS1DL RHG.

Q: What does "Fast Recovery" mean in the context of these diodes?

A: Fast Recovery indicates reverse recovery time of 500 ns or less at currents greater than 200 mA. All listed parts meet this specification. Faster recovery times (such as 16 ns or 25 ns in the Vishay FRED Pt® series) reduce switching losses and enable higher frequency operation.

Q: Can I use a higher-rated current diode as a substitute?

A: Yes. A diode rated for higher current (such as VS-1EFH02-M3/I at 1 A or VS-2EFH02HM3/I at 2 A) can replace RS1DL RHG (800 mA) provided all other parameters (voltage, package, temperature range) are compatible. The higher current rating provides design margin and does not negatively impact circuit operation at lower current levels.

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