SF10JG-A Equivalent & Substitute Parts

Part Overview

The SF10JG-A is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 600 V DC reverse voltage and 1 A average rectified current in a through-hole DO-41 package. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement. The fast recovery characteristic (≤500 ns) and 50 ns reverse recovery time position this diode for applications requiring rapid switching performance in power conversion circuits.

Substiute Parts

SF10JG-A

Diodes IncorporatedIn Stock: 1084SF10JG-A Datasheet

Current PartRFQ

1N4005GP-E3/54

Vishay General Semiconductor - Diodes DivisionIn Stock: 610111N4005GP-E3/54 Datasheet

MFR RecommendedRFQ

MUR260RLG

onsemiIn Stock: 80405MUR260RLG Datasheet

MFR RecommendedRFQ

UF4005 A0G

Taiwan Semiconductor CorporationIn Stock: 989UF4005 A0G Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SF10JG-A is determined by the following electrical and mechanical parameters:

Primary Substitution Criteria:

• Voltage - DC Reverse (Vr) (Max): Must equal or exceed 600 V
• Current - Average Rectified (Io): Must equal or exceed 1 A
• Mounting Type: Through Hole
• Package / Case: DO-204AL, DO-41, or Axial configurations

Secondary Compatibility Factors:

• Speed classification and reverse recovery time characteristics
• Forward voltage drop at rated current
• Reverse leakage current specifications
• Operating temperature range
• RoHS and REACH compliance status

The substitute parts listed below meet or exceed the primary electrical requirements while maintaining through-hole axial package compatibility. Differences in secondary parameters reflect design variations across manufacturers but do not preclude functional substitution within the specified application envelope.

Parameter Comparison

Engineering Selection Recommendations

1N4005GP-E3/54 (Vishay General Semiconductor)

This part is an active product with ROHS3 compliance and extended operating temperature range (-65°C to 175°C). It matches the SF10JG-A in voltage rating, current rating, and through-hole package configuration. The lower forward voltage drop (1.1 V @ 1 A versus 1.5 V @ 1 A) provides improved efficiency. The standard recovery speed (>500 ns) differs from the SF10JG-A fast recovery characteristic; this substitution is suitable for applications where switching speed is not a critical constraint. REACH Unaffected status provides regulatory advantage.

MUR260RLG (onsemi)

This active product exceeds the SF10JG-A current rating at 2 A, providing design margin for applications with potential current transients. Fast recovery speed (≤500 ns, 75 ns trr) aligns with the SF10JG-A switching performance. The axial package configuration maintains through-hole compatibility. Extended operating temperature range (-65°C to 175°C) and ROHS3 compliance support long-term availability. The higher current rating introduces no functional incompatibility for 1 A applications.

UF4005 A0G (Taiwan Semiconductor Corporation)

This active product matches the SF10JG-A in voltage, current, and fast recovery speed characteristics (≤500 ns, 75 ns trr). Through-hole DO-204AL (DO-41) package configuration provides direct mechanical compatibility. ROHS3 compliance and REACH Unaffected status support regulatory requirements. The operating temperature range (-55°C to 150°C) is equivalent to the SF10JG-A lower bound. Forward voltage drop (1.7 V @ 1 A) is slightly elevated but within acceptable range for general-purpose rectification.

Frequently Asked Questions (FAQ)

Q: Can the 1N4005GP-E3/54 replace the SF10JG-A in all applications?

A: The 1N4005GP-E3/54 is electrically compatible for voltage and current ratings. However, it operates at standard recovery speed (>500 ns) rather than fast recovery (≤500 ns). Applications requiring rapid switching transitions or operating at high frequencies may experience performance degradation. Verify switching frequency requirements before substitution.

Q: Why does the MUR260RLG have a 2 A current rating when the SF10JG-A is rated for 1 A?

A: The MUR260RLG is rated for higher average rectified current (2 A) than required by the SF10JG-A (1 A). This higher rating does not prevent its use in 1 A applications; it simply provides additional design margin. The part operates within specification at 1 A and below.

Q: Are all substitute parts available in the same package as the SF10JG-A?

A: The 1N4005GP-E3/54 and UF4005 A0G are available in DO-204AL (DO-41) packages, matching the SF10JG-A. The MUR260RLG is supplied in axial package configuration. All three maintain through-hole mounting compatibility, though physical board layout may require adjustment for axial versus radial lead spacing.

Q: What is the significance of the reverse recovery time difference between the SF10JG-A (50 ns) and the 1N4005GP-E3/54 (2 µs)?

A: Reverse recovery time affects switching transient behavior and electromagnetic interference generation. The SF10JG-A exhibits faster recovery, reducing switching losses and EMI in high-frequency applications. The 1N4005GP-E3/54 is suitable for lower-frequency rectification where switching speed is not performance-limiting.

Q: Do all substitute parts meet the same compliance standards as the SF10JG-A?

A: All substitute parts are ROHS3 compliant. The 1N4005GP-E3/54 and MUR260RLG are REACH Unaffected, while the UF4005 A0G is REACH Unaffected. The SF10JG-A is REACH Affected. For applications in regulated markets, verify REACH compliance requirements with procurement specifications.

Q: Can the UF4005 A0G be used in applications requiring the full -65°C to 150°C temperature range?

A: The UF4005 A0G operates from -55°C to 150°C, which does not extend to the -65°C lower bound of the SF10JG-A. Applications requiring operation below -55°C require either the 1N4005GP-E3/54 or MUR260RLG, both rated to -65°C.