HS1DL Equivalent & Substitute Parts

Part Overview

The HS1DL 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 Sub SMA surface mount package. This component is classified as a fast recovery diode with a reverse recovery time of 50 ns, suitable for standard rectification applications requiring compact form factors. The part maintains Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating.

Equivalent and substitute parts are identified to address component availability, supply chain continuity, and design flexibility while maintaining electrical and mechanical compatibility within specified parameter tolerances.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	1	A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 1 A	mV
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	5	µA @ 200 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	—
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 HS1DL are classified into two categories based on electrical parameter alignment:

Parametric Equivalents maintain identical or superior electrical specifications across all critical parameters: reverse voltage (200 V), average rectified current (1 A), forward voltage drop (950 mV @ 1 A), package type (DO-219AB Sub SMA), and operating temperature range (-55°C to 150°C). These parts are direct functional replacements with no circuit redesign required.

Similar Parts share the same reverse voltage rating (200 V) and package form factor (DO-219AB) but differ in one or more of the following parameters: average rectified current rating, reverse recovery time, forward voltage characteristics, or reverse leakage current. Selection of similar parts requires verification that the application circuit can accommodate the parameter differences without performance degradation.

The critical parameters determining substitution eligibility are:

Voltage - DC Reverse (Vr) (Max): 200 V (mandatory match)
Package / Case: DO-219AB (mandatory match for PCB compatibility)
Mounting Type: Surface Mount (mandatory match)
Current - Average Rectified (Io): 1 A (parametric equivalents) or ≥ 500 mA (similar parts)

Parameter Comparison

Parameter	HS1DL	ES1DL	HS1DL RVG	RS07D-GS08	VS-1EFH02-M3/I	VS-2EFH02HM3/I
Manufacturer	Taiwan Semiconductor	Taiwan Semiconductor	Taiwan Semiconductor	Vishay	Vishay	Vishay
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	1 A	1 A	1 A	500 mA	1 A	2 A
Voltage - Forward (Vf) (Max) @ If	950 mV @ 1 A	950 mV @ 1 A	950 mV @ 1 A	1.15 V @ 700 mA	930 mV @ 1 A	950 mV @ 2 A
Reverse Recovery Time (trr)	50 ns	35 ns	50 ns	150 ns	16 ns	25 ns
Current - Reverse Leakage @ Vr	5 µA @ 200 V	5 µA @ 200 V	5 µA @ 200 V	10 µA @ 200 V	2 µA @ 200 V	2 µA @ 200 V
Capacitance @ Vr, F	20 pF @ 4V, 1MHz	10 pF @ 4V, 1MHz	20 pF @ 4V, 1MHz	9 pF @ 4V, 1MHz	—	—
Package / Case	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB	DO-219AB
Mounting Type	Surface Mount	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	-55 to 150°C	-65 to 175°C	-65 to 175°C
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
AEC-Q101 Qualification	—	—	—	Yes	—	Yes

Engineering Selection Recommendations

Parametric Equivalents (Direct Replacements)

ES1DL and HS1DL RVG are parametric equivalents of the HS1DL, maintaining identical voltage and current ratings with the same DO-219AB package. Both parts are Active status with ROHS3 compliance and unlimited MSL rating. ES1DL exhibits improved reverse recovery time (35 ns versus 50 ns) and reduced junction capacitance (10 pF versus 20 pF), resulting in faster switching characteristics. HS1DL RVG maintains identical electrical specifications to the HS1DL with alternative packaging (Cut Tape versus standard packaging). Both equivalents are suitable for direct circuit substitution without design modification.

Similar Parts (Application-Dependent Selection)

RS07D-GS08 (Vishay) is rated for 500 mA average rectified current, representing a 50% reduction from the HS1DL 1 A rating. This part is suitable only for applications where the actual circuit current demand does not exceed 500 mA. RS07D-GS08 carries AEC-Q101 automotive qualification and is available in high volume (20,200 pcs). The reverse recovery time of 150 ns is significantly longer than the HS1DL, making this part unsuitable for high-frequency switching applications.

VS-1EFH02-M3/I (Vishay FRED Pt® series) matches the HS1DL in voltage and current ratings with superior performance characteristics: reverse recovery time of 16 ns (versus 50 ns), reduced reverse leakage current (2 µA versus 5 µA), and extended operating temperature range (-65°C to 175°C versus -55°C to 150°C). This part is suitable for applications requiring faster switching or wider temperature operation. Operating temperature range extension provides design margin for thermal stress conditions.

VS-2EFH02HM3/I (Vishay FRED Pt® series) is rated for 2 A average rectified current, providing 100% current margin above the HS1DL specification. This part is suitable for applications where future current demand may increase or where design margin is required. Reverse recovery time of 25 ns provides improved switching performance. AEC-Q101 automotive qualification is included. Extended operating temperature range (-65°C to 175°C) provides additional thermal design margin.

All substitute parts maintain RoHS3 compliance, unlimited MSL rating, and DO-219AB package compatibility with the HS1DL.

Frequently Asked Questions (FAQ)

Q: Can ES1DL be used as a direct replacement for HS1DL in all applications?

A: Yes. ES1DL is a parametric equivalent with identical voltage (200 V), current (1 A), and package (DO-219AB) specifications. The improved reverse recovery time (35 ns versus 50 ns) and reduced capacitance (10 pF versus 20 pF) provide superior switching performance without circuit modification.

Q: What is the difference between HS1DL and HS1DL RVG?

A: Both parts are electrically identical with matching voltage, current, and thermal specifications. The primary difference is packaging format: HS1DL RVG is supplied in Cut Tape (CT) format, while HS1DL uses standard packaging. Selection depends on assembly equipment compatibility and tape reel requirements.

Q: Can RS07D-GS08 replace HS1DL in a 1 A application?

A: No. RS07D-GS08 is rated for 500 mA maximum average rectified current, which is insufficient for applications requiring 1 A operation. This part is suitable only for circuits where actual current demand does not exceed 500 mA. Additionally, the 150 ns reverse recovery time is significantly longer than HS1DL, making it unsuitable for high-frequency switching.

Q: What are the advantages of VS-1EFH02-M3/I over HS1DL?

A: VS-1EFH02-M3/I offers three performance advantages: (1) faster reverse recovery time of 16 ns versus 50 ns, enabling higher switching frequencies; (2) lower reverse leakage current of 2 µA versus 5 µA, reducing standby power consumption; (3) extended operating temperature range of -65°C to 175°C versus -55°C to 150°C, providing additional thermal margin. Electrical ratings for voltage (200 V) and current (1 A) are identical.

Q: Is VS-2EFH02HM3/I suitable for HS1DL applications?

A: VS-2EFH02HM3/I is suitable for HS1DL applications with the following considerations: (1) the 2 A current rating provides 100% design margin above the 1 A HS1DL specification; (2) reverse recovery time of 25 ns is superior to HS1DL's 50 ns; (3) extended operating temperature range (-65°C to 175°C) provides additional thermal design margin; (4) AEC-Q101 automotive qualification is included. No circuit modification is required. This part is recommended for applications requiring enhanced current capacity or improved switching performance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts (ES1DL, HS1DL RVG, RS07D-GS08, VS-1EFH02-M3/I, and VS-2EFH02HM3/I) maintain ROHS3 compliance status. All parts also carry unlimited Moisture Sensitivity Level (MSL 1) rating.

Q: What is the significance of AEC-Q101 qualification on RS07D-GS08 and VS-2EFH02HM3/I?

A: AEC-Q101 is an automotive industry qualification standard for discrete semiconductors. Parts carrying this qualification have undergone rigorous testing for reliability, temperature cycling, and stress conditions specific to automotive applications. This qualification is relevant only if the application requires automotive-grade components. Standard industrial applications do not require AEC-Q101 qualification.

Q: Can the HS1DL be used in applications requiring extended temperature operation?

A: The HS1DL operating temperature range is -55°C to 150°C. For applications requiring extended temperature operation, VS-1EFH02-M3/I or VS-2EFH02HM3/I are suitable alternatives, both rated for -65°C to 175°C. These parts provide an additional 15°C margin at both temperature extremes.

Q: What packaging formats are available for HS1DL equivalents?

A: HS1DL is available in standard packaging. ES1DL is available in Cut Tape (CT) and Digi-Reel® formats. HS1DL RVG is available in Cut Tape (CT) format. Vishay parts (RS07D-GS08, VS-1EFH02-M3/I, VS-2EFH02HM3/I) are supplied in Tape & Reel (TR) format. Selection depends on assembly equipment compatibility and volume requirements.

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