S1DL RHG Equivalent & Substitute Parts

Part Overview

The S1DL RHG is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 200 V DC reverse voltage and 1 A average rectified current in a surface mount Sub SMA package. This component is classified as Active product status and complies with RoHS3 and REACH regulations. Equivalent and substitute parts are identified based on matching electrical specifications, package compatibility, and thermal operating ranges to ensure functional interchangeability in circuit applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	1.1	V @ 1 A
Reverse Recovery Time (trr)	1.8	µs
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Capacitance @ Vr, F	9	pF @ 4V, 1MHz
Package / Case	DO-219AB	Sub SMA
Operating Temperature - Junction	-55 to 175	°C
Mounting Type	Surface Mount	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitute parts for the S1DL RHG are identified through parametric equivalence based on the following critical electrical and mechanical criteria:

Primary Equivalence Criteria:

Voltage - DC Reverse (Vr) (Max): 200 V
Package / Case: DO-219AB (Sub SMA)
Mounting Type: Surface Mount
RoHS Status: ROHS3 Compliant

Secondary Compatibility Criteria:

Current - Average Rectified (Io): 1 A or higher
Operating Temperature - Junction: -55°C to 175°C or wider range
Reverse Recovery Time (trr): Standard recovery characteristics

Parametric Equivalent: S1DL RVG matches all primary and secondary criteria with identical electrical specifications and differs only in packaging format (Tape & Reel versus standard packaging).

Similar Manufacturer Parts: VS-1EFH02-M3/I and VS-2EFH02HM3/I are classified as similar parts due to differences in recovery speed characteristics and current ratings, which affect performance in specific circuit topologies.

Parameter Comparison

Parameter	S1DL RHG	S1DL RVG	VS-1EFH02-M3/I	VS-2EFH02HM3/I
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Vishay General Semiconductor	Vishay General Semiconductor
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	1 A	1 A	1 A	2 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	1.1 V @ 1 A	930 mV @ 1 A	950 mV @ 2 A
Speed	Standard Recovery >500ns	Standard Recovery >500ns	Fast Recovery ≤500ns	Fast Recovery ≤500ns
Reverse Recovery Time (trr)	1.8 µs	1.8 µs	16 ns	25 ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V	5 µA @ 200 V	2 µA @ 200 V	2 µA @ 200 V
Package / Case	DO-219AB	DO-219AB	DO-219AB	DO-219AB
Operating Temperature - Junction	-55 to 175°C	-55 to 175°C	-65 to 175°C	-65 to 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

S1DL RVG (Parametric Equivalent): This part is a direct parametric equivalent to the S1DL RHG, offering identical electrical specifications and thermal operating range. The sole distinction is packaging format (Tape & Reel). Selection of S1DL RVG is appropriate when tape and reel packaging is required for automated assembly processes. Both parts maintain Active product status and full RoHS3 compliance.

VS-1EFH02-M3/I (Similar Manufacturer Part): This Vishay part shares the same 200 V voltage rating, 1 A current rating, and DO-219AB package. However, it features fast recovery characteristics (16 ns trr) compared to the standard recovery (1.8 µs trr) of the S1DL RHG. The lower forward voltage drop (930 mV versus 1.1 V) and reduced reverse leakage (2 µA versus 5 µA) provide improved efficiency in rectification circuits. The extended operating temperature range (-65°C to 175°C) offers broader thermal coverage. Selection is appropriate for applications requiring fast recovery performance and lower power dissipation.

VS-2EFH02HM3/I (Similar Manufacturer Part): This Vishay part is rated for 2 A average rectified current, exceeding the 1 A specification of the S1DL RHG. It maintains the 200 V voltage rating and DO-219AB package with fast recovery characteristics (25 ns trr). The higher current rating provides design margin for applications with variable or peak current demands. This part includes AEC-Q101 automotive qualification, indicating suitability for automotive-grade applications. Selection is appropriate when higher current capacity and automotive compliance are required.

All substitute parts maintain Active product status, RoHS3 compliance, and MSL 1 rating, ensuring regulatory and environmental compatibility with the original S1DL RHG specification.

Frequently Asked Questions (FAQ)

Q: Can S1DL RVG be used as a direct replacement for S1DL RHG?

A: Yes. S1DL RVG is a parametric equivalent with identical electrical specifications, voltage rating, current rating, and thermal operating range. The difference is packaging format: S1DL RVG is supplied in Tape & Reel format while S1DL RHG uses standard packaging. Both are suitable for the same circuit applications.

Q: What is the primary difference between S1DL RHG and VS-1EFH02-M3/I?

A: Both parts share the same 200 V voltage rating, 1 A current rating, and DO-219AB package. The key differences are: VS-1EFH02-M3/I features fast recovery (16 ns versus 1.8 µs), lower forward voltage drop (930 mV versus 1.1 V), and lower reverse leakage (2 µA versus 5 µA). These characteristics result in reduced power dissipation and improved efficiency in rectification circuits.

Q: When should VS-2EFH02HM3/I be selected over S1DL RHG?

A: VS-2EFH02HM3/I should be selected when the application requires higher current capacity (2 A versus 1 A) or when automotive-grade qualification (AEC-Q101) is mandatory. The fast recovery characteristics also provide performance benefits in high-frequency rectification applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. S1DL RVG, VS-1EFH02-M3/I, and VS-2EFH02HM3/I are all RoHS3 compliant and REACH unaffected, matching the regulatory status of the S1DL RHG.

Q: What is the significance of reverse recovery time (trr) in selecting a substitute?

A: Reverse recovery time affects switching speed and power dissipation. S1DL RHG and S1DL RVG have standard recovery (1.8 µs), suitable for low-frequency rectification. VS-1EFH02-M3/I and VS-2EFH02HM3/I have fast recovery (16 ns and 25 ns respectively), suitable for higher-frequency applications and applications requiring lower switching losses.

Q: Can the operating temperature range difference affect substitution?

A: The operating temperature range difference is not a limiting factor for substitution. S1DL RHG operates from -55°C to 175°C, while VS-1EFH02-M3/I and VS-2EFH02HM3/I operate from -65°C to 175°C. The wider range of the Vishay parts provides additional thermal margin and does not restrict their use in applications designed for the S1DL RHG.

Q: Is packaging format (Tape & Reel versus standard) important for substitution?

A: Packaging format affects assembly process compatibility. Tape & Reel packaging (S1DL RVG, VS-1EFH02-M3/I, VS-2EFH02HM3/I) is required for automated pick-and-place assembly. Standard packaging (S1DL RHG) is suitable for manual or semi-automated assembly. Electrical performance is identical regardless of packaging format.

Q: What does MSL 1 (Unlimited) mean for these parts?

A: MSL 1 (Unlimited) indicates that these parts have unlimited shelf life and do not require special moisture control during storage or handling. This simplifies inventory management and reduces storage costs compared to higher MSL ratings.

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