SF2JDF-13 Equivalent & Substitute Parts

Part Overview

The SF2JDF-13 is a general-purpose rectifier diode manufactured by Diodes Incorporated, rated for 600 V DC reverse voltage and 2 A average rectified current in a surface mount D-Flat package. This component is classified as Active product status and is RoHS3 compliant. Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across the specified parameter range, enabling procurement flexibility and supply chain continuity for applications requiring fast recovery rectification in compact surface mount configurations.

Substiute Parts

SF2JDF-13

Diodes IncorporatedIn Stock: 1211SF2JDF-13 Datasheet

Current PartRFQ

US2JDF-13

Diodes IncorporatedIn Stock: 11059US2JDF-13 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SF2JDF-13 is determined by equivalence across the following critical parameters:

Voltage Rating: Both the main part and substitute must maintain 600 V DC reverse voltage maximum to ensure safe operation in the target application circuit.

Current Rating: Both parts must support 2 A average rectified current as the baseline load specification.

Package and Mounting: Both parts must use identical 2-SMD, Flat Lead surface mount packaging (D-Flat supplier device package) to ensure mechanical compatibility with printed circuit board layouts and assembly processes.

Temperature Range: Both parts must operate across the -55°C to 150°C junction temperature range to meet environmental and thermal design requirements.

Compliance Standards: Both parts must maintain RoHS3 compliance and MSL Level 1 (Unlimited) moisture sensitivity classification for regulatory and manufacturing process compatibility.

Recovery Characteristics: Both parts must be classified as Fast Recovery diodes with switching speed ≤ 500 ns at currents > 200 mA to maintain circuit performance in switching applications.

The US2JDF-13 meets all these criteria and is identified as a parametric equivalent substitute for the SF2JDF-13.

Parameter Comparison

Engineering Selection Recommendations

Both SF2JDF-13 and US2JDF-13 are Active product status components manufactured by Diodes Incorporated with identical RoHS3 compliance and REACH Unaffected status. Both parts are suitable for applications requiring 600 V, 2 A fast recovery rectification in surface mount D-Flat packaging.

The US2JDF-13 exhibits a longer reverse recovery time (75 ns versus 35 ns) and lower junction capacitance (10 pF versus 50 pF), which may influence performance in high-frequency switching circuits. The forward voltage specification differs at the measurement current (1.7 V @ 1 A for US2JDF-13 versus 1.7 V @ 2 A for SF2JDF-13), reflecting different characterization conditions rather than functional incompatibility at the 2 A rated current.

Selection between these parts is determined by application-specific requirements for switching speed and capacitive loading. Both parts maintain full compliance with regulatory requirements and manufacturing process specifications.

Frequently Asked Questions (FAQ)

Q: Can the US2JDF-13 be used as a direct replacement for the SF2JDF-13 in existing designs?

A: Yes. Both parts share identical voltage rating (600 V), current rating (2 A), package type (2-SMD, Flat Lead D-Flat), operating temperature range (-55°C to 150°C), and compliance certifications (RoHS3, REACH Unaffected). Mechanical and electrical compatibility is maintained for PCB assembly and circuit operation.

Q: What are the differences between SF2JDF-13 and US2JDF-13?

A: The primary differences are reverse recovery time (SF2JDF-13: 35 ns; US2JDF-13: 75 ns) and junction capacitance (SF2JDF-13: 50 pF; US2JDF-13: 10 pF). Both parts meet the Fast Recovery classification (≤ 500 ns). Forward voltage is specified at different measurement currents but both achieve 1.7 V maximum.

Q: Are both parts suitable for high-frequency switching applications?

A: Both parts are classified as Fast Recovery diodes and meet the ≤ 500 ns switching speed requirement. The SF2JDF-13 with 35 ns recovery time provides faster switching response, while the US2JDF-13 with 75 ns recovery time remains within the fast recovery specification. Application-specific frequency requirements determine optimal selection.

Q: Do both parts have the same moisture sensitivity classification?

A: Yes. Both SF2JDF-13 and US2JDF-13 are classified as MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or assembly processes.

Q: Can these parts be used interchangeably in production?

A: Yes, provided the application circuit does not impose specific constraints on reverse recovery time or junction capacitance. Both parts maintain identical voltage, current, package, temperature, and compliance specifications. Design validation should confirm that the differences in trr and capacitance do not affect circuit performance.

Q: What is the significance of the different forward voltage measurement conditions?

A: Forward voltage is specified at 2 A for SF2JDF-13 and at 1 A for US2JDF-13. Both achieve 1.7 V maximum at their respective measurement currents. At the 2 A rated operating current, both parts maintain equivalent forward voltage performance within the specified maximum.