SF61GHA0G Equivalent & Substitute Parts

Part Overview

The SF61GHA0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 50 V DC reverse voltage and 6 A average rectified current in a DO-201AD axial through-hole package. This component is classified as Active product status with AEC-Q101 automotive qualification and ROHS3 compliance. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or application-specific requirements within the specified parameter ranges.

Substiute Parts

SF61GHA0G

Taiwan Semiconductor CorporationIn Stock: 721SF61GHA0G Datasheet

Current PartRFQ

1N5400-E3/73

Vishay General Semiconductor - Diodes DivisionIn Stock: 23991N5400-E3/73 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SF61GHA0G is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Voltage - DC Reverse (Vr) (Max): Must equal or exceed 50 V
• Package / Case: Must be DO-201AD, Axial through-hole configuration
• Operating Temperature Range: Must encompass -55°C to 150°C junction temperature
• RoHS Status: Must maintain ROHS3 compliance
• Mounting Type: Must be Through Hole

Secondary Compatibility Parameters:

• Current - Average Rectified (Io): Substitute must support the application current requirement
• Voltage - Forward (Vf): Forward voltage characteristics must be compatible with circuit design
• Reverse Recovery Time (trr): Recovery speed classification must match application switching requirements

The substitute part 1N5400-E3/73 shares identical voltage rating, package configuration, temperature range, and RoHS compliance with the SF61GHA0G. Differences in current rating and recovery speed characteristics are noted in the parameter comparison table below.

Parameter Comparison

Engineering Selection Recommendations

SF61GHA0G Selection Criteria: The SF61GHA0G is the primary component choice when the application requires 6 A average rectified current capacity with fast recovery characteristics (35 ns reverse recovery time). This part maintains Active product status with AEC-Q101 automotive qualification and ROHS3 compliance, suitable for automotive and industrial rectification circuits requiring higher current handling and faster switching performance.

1N5400-E3/73 Selection Criteria: The 1N5400-E3/73 substitute is applicable when the circuit design requires 3 A or lower average rectified current and standard recovery speed characteristics are acceptable. This part maintains identical voltage rating, package configuration, temperature range, and RoHS compliance. The substitute is suitable for lower-current applications where the reduced current capacity and standard recovery speed do not compromise circuit performance.

Compliance and Certification: Both parts maintain ROHS3 compliance, REACH Unaffected status, and EAR99 ECCN classification. Both operate across the -55°C to 150°C junction temperature range. Selection between these parts is determined by application current requirements and switching speed specifications rather than regulatory or environmental considerations.

Frequently Asked Questions (FAQ)

Q: Can the 1N5400-E3/73 directly replace the SF61GHA0G in all applications?

A: Direct substitution is limited by current rating. The 1N5400-E3/73 is rated for 3 A average rectified current, while the SF61GHA0G is rated for 6 A. Substitution is valid only when the application current requirement does not exceed 3 A. Additionally, the 1N5400-E3/73 exhibits standard recovery speed (>500 ns) compared to the SF61GHA0G fast recovery speed (≤500 ns, 35 ns trr), which may affect high-frequency switching performance.

Q: Are the packages identical between these parts?

A: Yes. Both the SF61GHA0G and 1N5400-E3/73 use the DO-201AD axial through-hole package configuration. Mechanical mounting and PCB layout compatibility are identical.

Q: What is the significance of the recovery speed difference?

A: The SF61GHA0G features fast recovery characteristics with 35 ns reverse recovery time, while the 1N5400-E3/73 is classified as standard recovery. Fast recovery diodes exhibit reduced reverse recovery time, which is critical in high-frequency switching applications, power factor correction circuits, and switching power supplies. Standard recovery diodes are suitable for lower-frequency rectification applications.

Q: Do both parts meet automotive qualification requirements?

A: The SF61GHA0G carries AEC-Q101 automotive qualification. The 1N5400-E3/73 specifications provided do not include automotive qualification designation. Automotive applications requiring AEC-Q101 compliance must use the SF61GHA0G.

Q: What are the forward voltage differences, and how do they affect circuit design?

A: The SF61GHA0G exhibits 975 mV forward voltage at 6 A, while the 1N5400-E3/73 exhibits 1.2 V forward voltage at 3 A. Forward voltage differences affect power dissipation and voltage drop across the diode. Circuit designs with tight voltage margin specifications must account for these differences in thermal and electrical calculations.

Q: Are there inventory or supply considerations between these parts?

A: The SF61GHA0G has 666 pieces in stock, while the 1N5400-E3/73 has 2300 pieces in stock. Supply availability may influence component selection in time-sensitive procurement scenarios.