SF2005G Equivalent & Substitute Parts

Part Overview

The SF2005G is a general-purpose rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 300 V DC reverse voltage and 20 A average rectified current in a Through Hole TO-220AB package. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and thermal characteristics align with the original specification, enabling direct replacement in circuit applications without design modification.

Substiute Parts

SF2005G

Taiwan Semiconductor CorporationIn Stock: 1788SF2005G Datasheet

Current PartRFQ

SDUR2030CT

SMC Diode SolutionsIn Stock: 2164SDUR2030CT Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SF2005G is determined by alignment of the following critical parameters:

Voltage Rating: Reverse voltage must equal or exceed 300 V DC to maintain circuit protection and reliability margins.

Current Rating: Average rectified current capacity must support 20 A operation without thermal derating.

Package Compatibility: TO-220-3 Through Hole mounting ensures mechanical and thermal interface compatibility with existing PCB layouts and heatsinking arrangements.

Forward Voltage Characteristics: Forward voltage drop at 10 A must not exceed 1.3 V to preserve circuit efficiency and thermal performance.

Recovery Characteristics: Fast recovery speed (≤500 ns, >200 mA) and reverse recovery time support switching applications without excessive switching losses.

Temperature Range: Operating junction temperature range of -55°C to 150°C must be maintained for thermal design consistency.

Compliance: RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity ensure regulatory and manufacturing process compatibility.

The SDUR2030CT from SMC Diode Solutions meets these substitution criteria with equivalent electrical ratings and package configuration.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: SF2005G remains the primary component choice when available. Active product status and established supply chain support continued use in new designs and production.

Substitute Selection: SDUR2030CT is qualified as a substitute when SF2005G availability is constrained. Both components maintain RoHS3 compliance and EAR99 export classification, ensuring regulatory consistency. MSL Level 1 (Unlimited) moisture sensitivity for both parts eliminates moisture-related handling restrictions.

Compliance Considerations: The SDUR2030CT carries REACH Affected status, whereas SF2005G is REACH Unaffected. Applications subject to REACH substance restrictions require verification of the specific restricted substances list for the substitute part.

Performance Variance: The SDUR2030CT exhibits higher reverse recovery time (45 ns versus 35 ns) and elevated reverse leakage current (30 µA versus 5 µA at 300 V). These differences remain within acceptable tolerances for general-purpose rectification applications but may impact efficiency in high-frequency switching circuits or low-leakage bias applications.

Inventory Availability: SDUR2030CT inventory (2100 Pcs) exceeds SF2005G inventory (1740 Pcs), supporting supply continuity during component shortages.

Frequently Asked Questions (FAQ)

Q: Can SDUR2030CT directly replace SF2005G in all applications?

A: SDUR2030CT meets the critical electrical parameters (voltage rating, forward voltage, temperature range) and package configuration (TO-220-3 Through Hole) required for direct substitution in general-purpose rectification circuits. Higher reverse leakage current and recovery time may affect performance in precision bias or high-frequency switching applications; circuit-level validation is necessary for such applications.

Q: What is the significance of the reverse recovery time difference (35 ns vs. 45 ns)?

A: Reverse recovery time affects switching loss and electromagnetic interference in high-frequency applications. The 10 ns difference represents a 28% increase in recovery time for SDUR2030CT. For line-frequency rectification (50/60 Hz), this difference is negligible. For switching frequencies above 10 kHz, thermal and EMI performance should be evaluated.

Q: Why does SDUR2030CT have higher reverse leakage current (30 µA vs. 5 µA)?

A: Reverse leakage current variation is a normal characteristic of semiconductor manufacturing processes and device geometry. The 25 µA difference at 300 V represents approximately 0.075 mW additional power dissipation at rated voltage, which is acceptable for most applications but should be considered in low-power bias circuits.

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

A: Both SF2005G and SDUR2030CT support the identical operating junction temperature range (-55°C to 150°C), ensuring equivalent thermal performance in high-temperature environments.

Q: What is the difference between SF2005G and SDUR2030CT packaging?

A: Both components use TO-220-3 Through Hole packages with TO-220AB supplier device packaging. Mechanical dimensions, pin configuration, and heatsink interface are identical, enabling direct PCB mounting without layout modification.

Q: Does REACH compliance affect component selection?

A: SF2005G is REACH Unaffected, while SDUR2030CT is REACH Affected. Applications in European Union markets or subject to REACH substance restrictions must verify the specific restricted substances declaration for SDUR2030CT before substitution.

Q: Can these parts be used interchangeably in inventory management?

A: SF2005G and SDUR2030CT are electrically and mechanically compatible for substitution purposes. However, separate inventory tracking is recommended to maintain traceability and compliance documentation, particularly for applications requiring REACH compliance verification.