Equivalent & Substitute Parts for S1FLJ-M-08

Part Overview

The S1FLJ-M-08 is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division, rated for 600 V DC reverse voltage and 700 mA average rectified current in a surface mount DO-219AB package. This component is classified as Active product status and is ROHS3 compliant. Substitute parts are identified when equivalent electrical and mechanical parameters are required for design flexibility, inventory management, or supply chain continuity while maintaining identical functional performance in the application circuit.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	600	V
Current - Average Rectified (Io)	700	mA
Voltage - Forward (Vf) (Max) @ If	1.1 @ 1 A	V
Reverse Recovery Time (trr)	1.8	µs
Current - Reverse Leakage @ Vr	10 @ 600 V	µA
Capacitance @ Vr, F	4 @ 4V, 1MHz	pF
Package / Case	DO-219AB	—
Mounting Type	Surface Mount	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the S1FLJ-M-08 are qualified based on electrical parameter equivalence and mechanical compatibility. The substitution criteria are:

Electrical Parameters (Must Match):

Voltage - DC Reverse (Vr) (Max): 600 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 @ 600 V
Capacitance @ Vr, F: 4 pF @ 4V, 1MHz

Mechanical Parameters (Must Match):

Package / Case: DO-219AB
Mounting Type: Surface Mount
Operating Temperature - Junction: -55°C to 150°C

Compliance Parameters (Must Match):

Technology: Standard
RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)

All substitute parts listed maintain identical electrical performance and physical form factor, ensuring direct functional replacement in circuit applications.

Parameter Comparison

Parameter	S1FLJ-M-08	S1FLJ-GS08	S07J-GS08	S07J-GS18
Manufacturer	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division	Vishay General Semiconductor - Diodes Division
Voltage - DC Reverse (Vr) (Max)	600 V	600 V	600 V	600 V
Current - Average Rectified (Io)	700 mA	700 mA	700 mA	700 mA
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 @ 600 V	10 µA @ 600 V	10 µA @ 600 V	10 µA @ 600 V
Capacitance @ Vr, F	4 pF @ 4V, 1MHz	4 pF @ 4V, 1MHz	4 pF @ 4V, 1MHz	4 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°C to 150°C	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Technology	Standard	Standard	Standard	Standard
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
Automotive Grade / Qualification	—	—	—	AEC-Q101

Engineering Selection Recommendations

All substitute parts listed—S1FLJ-GS08, S07J-GS08, and S07J-GS18—are parametrically equivalent to the S1FLJ-M-08 and maintain Active product status with ROHS3 compliance. Selection among these alternatives is based on availability and application requirements:

S1FLJ-GS08: Parametrically identical to the main part with 15,300 pieces in stock. Suitable for general-purpose rectifier applications requiring standard technology classification.

S07J-GS08: Parametrically identical to the main part with 248,100 pieces in stock. Highest inventory availability for applications with extended lead time requirements.

S07J-GS18: Parametrically identical to the main part with AEC-Q101 automotive qualification and 52,400 pieces in stock. Specified for automotive-grade applications requiring formal qualification documentation.

All parts share identical electrical characteristics, mechanical packaging, and environmental compliance ratings. Selection should be based on supply chain availability, inventory levels, and application-specific qualification requirements.

Frequently Asked Questions (FAQ)

Q: Can S1FLJ-GS08 be used as a direct replacement for S1FLJ-M-08?

A: Yes. S1FLJ-GS08 is a parametric equivalent with identical electrical ratings (600 V, 700 mA), forward voltage characteristics, reverse recovery time, leakage current, and capacitance. Both use DO-219AB surface mount packaging and operate across the same temperature range (-55°C to 150°C). No circuit modifications are required.

Q: What is the difference between S07J-GS08 and S07J-GS18?

A: Both parts are parametrically equivalent with identical electrical and mechanical specifications. The primary difference is that S07J-GS18 carries AEC-Q101 automotive qualification, making it suitable for automotive applications requiring formal qualification documentation. S07J-GS08 is the standard industrial version without automotive qualification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. S1FLJ-M-08, S1FLJ-GS08, S07J-GS08, and S07J-GS18 are all ROHS3 compliant with Moisture Sensitivity Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage and handling.

Q: Can I use S07J-GS18 in a non-automotive application?

A: Yes. S07J-GS18 is a superset of the standard specification with automotive qualification. It meets all electrical and mechanical requirements for general-purpose rectifier applications and can be used in any application where S1FLJ-M-08 is specified.

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

A: Yes. All substitute parts—S1FLJ-GS08, S07J-GS08, and S07J-GS18—use the DO-219AB surface mount package, ensuring identical PCB footprint and assembly compatibility with the original S1FLJ-M-08 design.

Q: What is the reverse recovery time specification, and why is it important?

A: The reverse recovery time (trr) is 1.8 µs for all listed parts. This parameter defines the time required for the diode to switch from forward conduction to reverse blocking state. Identical trr values across all substitute parts ensure equivalent switching performance in rectifier circuits.

Q: Are there any temperature rating differences among the substitute parts?

A: No. All substitute parts operate across the identical junction temperature range of -55°C to 150°C, ensuring equivalent thermal performance in all operating environments.

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