Equivalent & Substitute Parts for S1FLD-M-18

Part Overview

The S1FLD-M-18 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 200 V DC reverse voltage and 700 mA average rectified current in a DO-219AB surface mount package. This component is classified as Active product status and is RoHS3 compliant. Alternative equivalent parts are necessary to address supply chain flexibility, packaging format requirements, automotive qualification needs, and current rating variations while maintaining electrical compatibility within specified parameters.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	200	V
Current - Average Rectified (Io)	700	mA
Voltage - Forward (Vf) (Max) @ If	1.1	V @ 1 A
Reverse Recovery Time (trr)	1.8	µs
Current - Reverse Leakage @ Vr	10	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 S1FLD-M-18 are classified into two categories based on electrical and mechanical compatibility:

Parametric Equivalents maintain identical electrical specifications across all critical parameters: 200 V reverse voltage, 700 mA average rectified current, 1.1 V forward voltage at 1 A, 1.8 µs reverse recovery time, and DO-219AB package format. These parts differ only in packaging format (Tape & Reel versus Cut Tape) or automotive qualification status.

Manufacturer Recommended Substitute (S1DL RVG) provides functional equivalence with allowable parameter variations: increased average rectified current (1 A versus 700 mA), reduced reverse leakage current (5 µA versus 10 µA), increased capacitance (9 pF versus 4 pF), and extended operating temperature range (-55°C to 175°C versus -55°C to 150°C). This part maintains identical reverse voltage, forward voltage, and recovery time specifications.

Substitution eligibility is determined by: voltage rating match (200 V), forward voltage compatibility (1.1 V @ 1 A), package format (DO-219AB), surface mount mounting type, and RoHS3 compliance status.

Parameter Comparison

Parameter	S1FLD-M-18	S07D-GS08	S1FLD-GS08	S1DL RVG
Manufacturer	Vishay	Vishay	Vishay	Taiwan Semiconductor
Voltage - DC Reverse (Vr) (Max)	200 V	200 V	200 V	200 V
Current - Average Rectified (Io)	700 mA	700 mA	700 mA	1 A
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A	1.1 V @ 1 A
Reverse Recovery Time (trr)	1.8 µs	1.8 µs	1.8 µs	1.8 µs
Current - Reverse Leakage @ Vr	10 µA @ 200 V	10 µA @ 200 V	10 µA @ 200 V	5 µA @ 200 V
Capacitance @ Vr, F	4 pF @ 4V, 1MHz	4 pF @ 4V, 1MHz	4 pF @ 4V, 1MHz	9 pF @ 4V, 1MHz
Package / Case	DO-219AB	DO-219AB	DO-219AB	DO-219AB
Mounting Type	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 175°C
Packaging Format	Tape & Reel (TR)	Tape & Reel (TR)	Cut Tape (CT) & Digi-Reel®	Tape & Reel (TR)
Automotive Qualification	Standard	AEC-Q101	Standard	Standard
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

S07D-GS08 is a parametric equivalent suitable for applications requiring automotive-grade qualification. This part maintains all electrical specifications identical to the S1FLD-M-18 while providing AEC-Q101 certification. Selection of this part is appropriate for automotive and industrial applications where component traceability and qualification documentation are required. Packaging format remains Tape & Reel.

S1FLD-GS08 is a parametric equivalent differentiated by packaging format. This part is supplied in Cut Tape and Digi-Reel® format rather than standard Tape & Reel. Electrical specifications remain identical to the S1FLD-M-18. Selection of this part is appropriate when alternative packaging formats are required for specific assembly processes or inventory management systems.

S1DL RVG is a manufacturer-recommended substitute from Taiwan Semiconductor Corporation. This part provides increased average rectified current rating (1 A versus 700 mA), reduced reverse leakage current (5 µA versus 10 µA), and extended operating temperature range (-55°C to 175°C versus -55°C to 150°C). All critical electrical parameters including reverse voltage, forward voltage, and recovery time remain compatible. Selection of this part is appropriate for applications requiring higher current capacity or extended temperature operation within the same package footprint. All parts maintain RoHS3 compliance and Active product status.

Frequently Asked Questions (FAQ)

Q: Can S07D-GS08 be used as a direct replacement for S1FLD-M-18?

A: Yes. S07D-GS08 is a parametric equivalent with identical electrical specifications: 200 V reverse voltage, 700 mA average rectified current, 1.1 V forward voltage, 1.8 µs recovery time, and DO-219AB package. The primary difference is AEC-Q101 automotive qualification. Both parts are supplied in Tape & Reel format and are RoHS3 compliant.

Q: What is the difference between S1FLD-GS08 and S1FLD-M-18?

A: S1FLD-GS08 and S1FLD-M-18 are electrically identical. The difference is packaging format: S1FLD-GS08 is supplied in Cut Tape and Digi-Reel® format, while S1FLD-M-18 is supplied in Tape & Reel format. All electrical parameters, temperature range, and compliance certifications are identical.

Q: Can S1DL RVG replace S1FLD-M-18 in all applications?

A: S1DL RVG is compatible with S1FLD-M-18 for applications where the increased current rating (1 A versus 700 mA) and extended temperature range (-55°C to 175°C) do not create design conflicts. The reverse voltage, forward voltage, and recovery time specifications are identical. Verify that the increased capacitance (9 pF versus 4 pF) does not affect circuit performance in high-frequency applications.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. S07D-GS08, S1FLD-GS08, and S1DL RVG are all RoHS3 compliant with Moisture Sensitivity Level 1 (Unlimited). All parts are suitable for lead-free assembly processes.

Q: What is the significance of AEC-Q101 qualification on S07D-GS08?

A: AEC-Q101 is an automotive industry qualification standard. S07D-GS08 carries this certification, indicating the part meets automotive reliability and quality requirements. This qualification is relevant for automotive applications, industrial equipment, and systems requiring documented component traceability and qualification status.

Q: Do all substitute parts use the same DO-219AB package?

A: Yes. S1FLD-M-18, S07D-GS08, S1FLD-GS08, and S1DL RVG all use the DO-219AB surface mount package. Physical footprint and PCB layout compatibility are maintained across all parts.

Q: What is the difference in reverse leakage current between S1FLD-M-18 and S1DL RVG?

A: S1FLD-M-18 has a reverse leakage current of 10 µA at 200 V, while S1DL RVG has 5 µA at 200 V. The lower leakage current in S1DL RVG indicates improved reverse bias performance and may be beneficial in low-power or high-impedance circuit applications.

Q: Can packaging format differences affect circuit performance?

A: Packaging format (Tape & Reel versus Cut Tape) affects supply chain logistics and assembly processes but does not affect electrical performance. S1FLD-GS08 in Cut Tape format is electrically identical to S1FLD-M-18 in Tape & Reel format. Selection between formats depends on assembly equipment compatibility and inventory management requirements.

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