SF63G R0G Equivalent & Substitute Parts

Part Overview

The SF63G R0G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 150 V DC reverse voltage and 6 A average rectified current in a DO-201AD axial through-hole package. This component is classified as discontinued at DiGi Electronics, necessitating identification of equivalent substitute parts for ongoing design support and procurement requirements. Active equivalent models are available from the same manufacturer with identical electrical specifications and package configurations.

Key Parameters

Parameter	Value	Unit
Voltage - DC Reverse (Vr) (Max)	150	V
Current - Average Rectified (Io)	6	A
Voltage - Forward (Vf) (Max) @ If	975 mV @ 6 A	mV
Reverse Recovery Time (trr)	35	ns
Current - Reverse Leakage @ Vr	5	µA @ 150 V
Capacitance @ Vr, F	100	pF @ 4V, 1MHz
Package / Case	DO-201AD, Axial	—
Operating Temperature - Junction	-55 to 150	°C
Technology	Standard	—
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	—

Substitute Part Grouping Explanation

Substitution of the SF63G R0G is determined by strict equivalence across the following electrical and mechanical parameters:

Voltage Rating: 150 V DC reverse voltage (Vr)
Current Rating: 6 A average rectified current (Io)
Forward Voltage Drop: 975 mV maximum at 6 A
Recovery Characteristics: Fast recovery with 35 ns reverse recovery time
Package Configuration: DO-201AD axial through-hole mounting
Operating Temperature Range: -55°C to 150°C junction temperature
Leakage Current: 5 µA maximum at 150 V reverse bias

Substitute parts SF63G and SF63GH maintain identical electrical performance specifications and package compatibility. The SF63GH variant includes automotive-grade qualification (AEC-Q101) and is suitable for applications requiring enhanced reliability standards.

Parameter Comparison

Parameter	SF63G R0G (Main)	SF63G (Direct)	SF63GH (Automotive)
Manufacturer	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation	Taiwan Semiconductor Corporation
Voltage - DC Reverse (Vr) (Max)	150 V	150 V	150 V
Current - Average Rectified (Io)	6 A	6 A	6 A
Voltage - Forward (Vf) (Max) @ If	975 mV @ 6 A	975 mV @ 6 A	975 mV @ 6 A
Reverse Recovery Time (trr)	35 ns	35 ns	35 ns
Current - Reverse Leakage @ Vr	5 µA @ 150 V	5 µA @ 150 V	5 µA @ 150 V
Capacitance @ Vr, F	100 pF @ 4V, 1MHz	100 pF @ 4V, 1MHz	100 pF @ 4V, 1MHz
Package / Case	DO-201AD, Axial	DO-201AD, Axial	DO-201AD, Axial
Operating Temperature - Junction	-55°C to 150°C	-55°C to 150°C	-55°C to 150°C
Technology	Standard	Standard	Standard
Speed	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)	Fast Recovery ≤ 500ns, > 200mA (Io)
Product Status	Discontinued at DiGi Electronics	Active	Active
Grade	—	—	Automotive
Qualification	—	—	AEC-Q101
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

SF63G (Direct Substitute)

The SF63G is the primary direct substitute for the SF63G R0G. Both parts are manufactured by Taiwan Semiconductor Corporation with identical electrical specifications, package configuration, and operating characteristics. The SF63G maintains active product status and is available in higher inventory quantities (3320 pcs). This part is suitable for all applications previously specified for the SF63G R0G and requires no circuit redesign or thermal analysis modifications.

SF63GH (Automotive-Grade Equivalent)

The SF63GH is a parametric equivalent with automotive-grade qualification (AEC-Q101). All electrical specifications, package dimensions, and thermal characteristics are identical to the SF63G R0G. The SF63GH is specified for applications requiring automotive reliability standards and enhanced qualification documentation. Selection of SF63GH is appropriate for automotive, industrial, and mission-critical applications where AEC-Q101 compliance is mandated or preferred.

Both substitute parts are ROHS3 compliant and REACH unaffected, maintaining regulatory compliance with the original SF63G R0G specification.

Frequently Asked Questions (FAQ)

Q: Can SF63G be used as a direct replacement for SF63G R0G?

A: Yes. The SF63G is a direct substitute with identical electrical specifications (150 V, 6 A, 975 mV forward voltage, 35 ns recovery time) and DO-201AD axial package configuration. No circuit modifications are required.

Q: What is the difference between SF63G and SF63GH?

A: The SF63GH includes automotive-grade qualification (AEC-Q101) and is designated for automotive applications. All electrical parameters and package specifications are identical. Selection depends on application requirements for automotive certification.

Q: Are all three parts pin-compatible?

A: Yes. SF63G R0G, SF63G, and SF63GH all use the DO-201AD axial through-hole package with identical lead spacing and polarity marking. Direct board-level substitution is possible without PCB modification.

Q: Does the packaging format affect substitution?

A: The SF63G R0G is listed with unspecified packaging, while SF63G is supplied in Cut Tape (CT) format. Both are functionally equivalent. Packaging format affects procurement and handling procedures but not electrical performance or board-level compatibility.

Q: Are there temperature range differences between the substitutes?

A: No. All three parts operate across the identical junction temperature range of -55°C to 150°C. Thermal performance and derating curves are equivalent.

Q: What compliance certifications apply to all substitute parts?

A: All parts are ROHS3 compliant and REACH unaffected. The SF63GH additionally carries AEC-Q101 automotive qualification.

Q: Why is SF63G R0G discontinued?

A: Product discontinuation information is provided by the supplier. Active equivalent models SF63G and SF63GH are available for continued design support and procurement.

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