SL23HE3_A/I Schottky Diode Equivalent & Substitute Parts

Part Overview

The SL23HE3_A/I is an automotive-grade Schottky rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. This surface mount component operates at 30 V DC reverse voltage with a 2 A average rectified current rating. The device is classified as Active product status and is AEC-Q101 qualified for automotive applications. Substitute parts are identified when the original component becomes unavailable, when inventory constraints exist, or when design flexibility permits selection of functionally compatible alternatives that meet or exceed the electrical and mechanical specifications of the original part.

Substiute Parts

SL23HE3_A/I

Vishay General Semiconductor - Diodes DivisionIn Stock: 142879SL23HE3_A/I Datasheet

Current PartRFQ

B330B-13-F

Diodes IncorporatedIn Stock: 188365B330B-13-F Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SL23HE3_A/I is permissible with components that satisfy the following criteria:

Critical Electrical Parameters (Must Match or Exceed):

• Voltage - DC Reverse (Vr) (Max): 30 V minimum
• Current - Average Rectified (Io): 2 A minimum
• Technology: Schottky
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical & Environmental Parameters (Must Match):

• Package / Case: DO-214AA, SMB
• Mounting Type: Surface Mount
• Operating Temperature Range: Must encompass -55°C to 125°C minimum

Compliance & Qualification (Must Match):

• Grade: Automotive
• Qualification: AEC-Q101
• RoHS Status: ROHS3 Compliant

The B330B-13-F from Diodes Incorporated qualifies as a substitute part because it meets or exceeds all critical electrical parameters, maintains identical mechanical packaging, and carries equivalent automotive-grade certifications.

Parameter Comparison

Engineering Selection Recommendations

The B330B-13-F qualifies as a direct substitute for the SL23HE3_A/I based on the following engineering criteria:

Electrical Compatibility: The substitute part maintains the same 30 V reverse voltage rating and exceeds the 2 A current requirement with a 3 A rating. Both devices employ identical Schottky technology with matching fast recovery speed specifications. The higher current capacity of the substitute provides design margin without introducing incompatibility.

Mechanical Compatibility: Both components utilize the DO-214AA (SMB) surface mount package, ensuring identical PCB footprint and assembly process compatibility.

Thermal Performance: The B330B-13-F extends the operating temperature range to -55°C to 150°C, which encompasses the original part's -55°C to 125°C specification.

Automotive Compliance: Both parts carry AEC-Q101 qualification and Automotive grade designation, meeting identical reliability and qualification standards. Both maintain ROHS3 compliance and REACH unaffected status.

Packaging Format Consideration: The original part is supplied in Tape & Reel (TR) format, while the substitute is available in Cut Tape (CT) & Digi-Reel® format. This difference affects procurement and assembly logistics but does not impact electrical or mechanical compatibility.

Frequently Asked Questions (FAQ)

Q: Can the B330B-13-F replace the SL23HE3_A/I in existing designs without circuit modification?

A: Yes. The B330B-13-F maintains identical reverse voltage and package specifications. The higher current rating (3 A vs. 2 A) and extended temperature range represent design improvements that do not require circuit changes. Both parts are AEC-Q101 qualified Schottky diodes with matching fast recovery characteristics.

Q: What is the significance of the higher reverse leakage current in the B330B-13-F (500 µA vs. 400 µA)?

A: The reverse leakage current difference is measured at identical conditions (30 V). This parameter variation falls within normal manufacturing tolerances for Schottky diodes and does not prevent substitution. The impact on circuit performance depends on application-specific leakage sensitivity; however, both values are typical for automotive-grade Schottky rectifiers.

Q: Does the higher capacitance of the B330B-13-F (200pF vs. 50pF) affect circuit performance?

A: Capacitance is measured at identical conditions (4V, 1MHz). The higher capacitance value may affect high-frequency switching performance in sensitive applications. Circuit designers should evaluate switching frequency requirements and reverse recovery characteristics for their specific application. Both parts meet the ≤ 500ns fast recovery specification.

Q: Are the packaging format differences (Tape & Reel vs. Cut Tape & Digi-Reel) significant for substitution?

A: Packaging format differences affect procurement, storage, and assembly logistics but do not impact electrical or mechanical compatibility. Both formats deliver components in the same DO-214AA (SMB) package. Assembly equipment compatibility depends on the specific manufacturing setup; however, both formats are standard for surface mount production.

Q: Can the B330B-13-F be used in automotive applications with the same reliability assurance as the original part?

A: Yes. Both parts carry identical Automotive grade designation and AEC-Q101 qualification. The substitute part meets or exceeds all critical electrical specifications and maintains the same operating temperature range minimum requirement (-55°C). Both components are ROHS3 compliant and REACH unaffected.

Q: What is the basis for determining substitution compatibility?

A: Substitution compatibility is determined by matching or exceeding critical electrical parameters (reverse voltage, current rating, technology type, and recovery speed), maintaining identical mechanical packaging, and ensuring equivalent automotive-grade certifications and compliance standards. The B330B-13-F satisfies all these criteria.