SF5403-TR Equivalent & Substitute Parts

Part Overview

The SF5403-TR is a general-purpose rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This through-hole component operates at 300 V DC reverse voltage with a 3 A average rectified current rating and features fast recovery characteristics with a 50 ns reverse recovery time. The device is packaged in SOD-64 axial configuration and is supplied in Tape & Reel format.

The SF5403-TR maintains Active product status and is RoHS3 compliant. Equivalent and substitute parts are identified to support design flexibility, inventory management, and supply chain continuity when the primary part becomes unavailable or when alternative packaging formats are required for specific applications.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	300	V
Current - Average Rectified (Io)	3	A
Voltage - Forward (Vf) (Max) @ If	1.1 @ 3	V @ A
Reverse Recovery Time (trr)	50	ns
Current - Reverse Leakage @ Vr	5	µA @ 300 V
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	-
Mounting Type	Through Hole	-
Package / Case	SOD-64, Axial	-
Operating Temperature - Junction	-55 to 175	°C
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the SF5403-TR is determined by electrical and mechanical compatibility across the following critical parameters:

Electrical Compatibility Criteria:

Voltage - DC Reverse (Vr) (Max): 300 V minimum
Current - Average Rectified (Io): 3 A minimum
Reverse Recovery Time (trr): 50 ns maximum
Speed Classification: Fast Recovery ≤ 500ns, > 200mA
Current - Reverse Leakage @ Vr: 5 µA @ 300 V maximum

Mechanical Compatibility Criteria:

Mounting Type: Through Hole
Package Configuration: Axial lead geometry

The EGP30F from Fairchild Semiconductor satisfies all electrical parameters and maintains through-hole axial mounting compatibility. The primary distinction is the package case format: EGP30F uses DO-201AD packaging versus the SF5403-TR SOD-64 packaging. Both packages accommodate axial lead through-hole mounting and are mechanically interchangeable in standard PCB layouts.

Parameter Comparison

Parameter	SF5403-TR (Vishay)	EGP30F (Fairchild)	Match Status
Voltage - DC Reverse (Vr) (Max)	300 V	300 V	Equivalent
Current - Average Rectified (Io)	3 A	3 A	Equivalent
Voltage - Forward (Vf) (Max) @ If	1.1 V @ 3 A	1.25 V @ 3 A	Compatible
Reverse Recovery Time (trr)	50 ns	50 ns	Equivalent
Current - Reverse Leakage @ Vr	5 µA @ 300 V	5 µA @ 300 V	Equivalent
Speed Classification	Fast Recovery ≤ 500ns, > 200mA	Fast Recovery ≤ 500ns, > 200mA	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Package / Case	SOD-64, Axial	DO-201AD, Axial	Compatible
Operating Temperature - Junction	-55°C to 175°C	-65°C to 150°C	Compatible

Engineering Selection Recommendations

SF5403-TR Selection: The SF5403-TR is the primary component choice when SOD-64 package geometry is specified in the design. This part maintains Active product status with RoHS3 compliance and REACH unaffected designation. The device is available in Tape & Reel packaging format with 704 units in current inventory stock.

EGP30F Selection: The EGP30F serves as a functional substitute when DO-201AD package geometry is acceptable or preferred. This Fairchild Semiconductor device meets all electrical performance requirements and maintains Active product status. The EGP30F is supplied in Bulk packaging format with 3602 units in current inventory stock. The extended lower operating temperature range (-65°C versus -55°C) provides additional thermal margin in cold environment applications.

Compliance Considerations: Both parts carry EAR99 ECCN classification and HTSUS code 8541.10.0080. The SF5403-TR is RoHS3 compliant with MSL 1 (Unlimited). Regulatory and compliance requirements do not differentiate between these two options.

Frequently Asked Questions (FAQ)

Q: Can the EGP30F replace the SF5403-TR in existing designs?

A: The EGP30F is electrically equivalent and mechanically compatible for through-hole PCB mounting. The primary consideration is package case geometry: EGP30F uses DO-201AD format while SF5403-TR uses SOD-64 format. Both are axial lead packages suitable for standard through-hole applications. Physical dimensions may differ; verify PCB footprint compatibility before substitution.

Q: What is the difference in forward voltage between these parts?

A: The SF5403-TR specifies 1.1 V maximum forward voltage at 3 A, while the EGP30F specifies 1.25 V maximum at the same current. This 0.15 V difference is within acceptable tolerance for general-purpose rectifier applications and does not affect functional compatibility.

Q: Are both parts suitable for high-temperature applications?

A: The SF5403-TR operates to 175°C junction temperature, providing higher thermal capability. The EGP30F operates to 150°C junction temperature. For applications requiring operation above 150°C, the SF5403-TR is the appropriate selection.

Q: What packaging formats are available for each part?

A: The SF5403-TR is supplied in Tape & Reel format. The EGP30F is supplied in Bulk format. Packaging format selection depends on manufacturing process requirements and inventory management practices.

Q: Do both parts meet RoHS compliance requirements?

A: The SF5403-TR is explicitly RoHS3 compliant. Compliance information for the EGP30F is not provided in the available technical data. Verify RoHS status with the supplier when compliance certification is required.

Q: What is the reverse recovery time specification for both parts?

A: Both the SF5403-TR and EGP30F specify 50 ns reverse recovery time, confirming equivalent fast recovery performance characteristics.

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