SS14L RVG Equivalent & Substitute Parts

Part Overview

The SS14L RVG is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 40 V DC reverse voltage and 1 A average rectified current in a Sub SMA surface mount package. This component is classified as Active product status and is RoHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required for manufacturing processes, or when design requirements necessitate components from different manufacturers with identical or superior electrical characteristics within the same package family.

Substiute Parts

SS14L RVG

Taiwan Semiconductor CorporationIn Stock: 734SS14L RVG Datasheet

Current PartRFQ

SS14L

Taiwan Semiconductor CorporationIn Stock: 23363SS14L Datasheet

Parametric EquivalentRFQ

SS1FL4HM3/H

Vishay General Semiconductor - Diodes DivisionIn Stock: 33227SS1FL4HM3/H Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SS14L RVG is determined by strict equivalence across the following critical parameters:

Mandatory Equivalence Criteria:

• Voltage - DC Reverse (Vr) Maximum: 40 V
• Current - Average Rectified (Io): 1 A
• Package / Case: DO-219AB (Sub SMA form factor)
• Technology: Schottky rectifier diode
• Mounting Type: Surface Mount

Acceptable Variation Parameters:

• Voltage - Forward (Vf) Maximum: Substitute parts may operate at equal or lower forward voltage drop
• Current - Reverse Leakage @ Vr: Substitute parts may exhibit equal or lower reverse leakage current
• Operating Temperature - Junction: Substitute parts may support equal or extended temperature ranges
• Packaging Format: Equivalent parts may be supplied in alternative tape formats (Tape & Reel, Cut Tape, Digi-Reel®) without affecting electrical performance

Substitute parts identified in this reference maintain full electrical and mechanical compatibility with the SS14L RVG within the DO-219AB package envelope and satisfy all RoHS3 compliance requirements.

Parameter Comparison

Engineering Selection Recommendations

SS14L (Parametric Equivalent): This part maintains identical electrical specifications to the SS14L RVG across all critical parameters. However, this part is designated "Not For New Designs," indicating it is in mature or declining production status. Selection of this substitute is appropriate only for legacy system maintenance, repair, or continuation of existing production runs where design changes are not feasible. The part is available in alternative packaging formats (Cut Tape and Digi-Reel®) suitable for automated assembly processes.

SS1FL4HM3/H (Similar Manufacturer - Vishay): This Vishay General Semiconductor part is classified as Active product status and meets all mandatory electrical equivalence criteria. The SS1FL4HM3/H demonstrates superior performance characteristics: forward voltage drop is reduced to 500 mV (compared to 550 mV), and reverse leakage current is reduced to 200 µA (compared to 400 µA). Operating temperature range extends to 150°C, providing additional thermal margin. This part carries AEC-Q101 automotive qualification and is part of the eSMP® series. The SS1FL4HM3/H is suitable for new designs and applications requiring enhanced reliability or automotive-grade components within the same DO-219AB package footprint.

For new product designs, the SS1FL4HM3/H is the preferred substitute. For legacy system support, the SS14L remains electrically equivalent. Both parts are RoHS3 compliant and carry unlimited moisture sensitivity classification.

Frequently Asked Questions (FAQ)

Q: Can the SS14L substitute directly for the SS14L RVG in existing circuit designs?

A: Yes. The SS14L is a parametric equivalent with identical voltage rating (40 V), current rating (1 A), forward voltage drop (550 mV @ 1 A), and reverse leakage current (400 µA @ 40 V). Both parts use the DO-219AB package. The primary difference is product status: SS14L is designated "Not For New Designs." Direct substitution is electrically valid for repair and maintenance applications.

Q: What is the difference between the SS14L RVG and SS1FL4HM3/H?

A: Both parts meet the core electrical requirements: 40 V reverse voltage, 1 A average rectified current, and DO-219AB package. The SS1FL4HM3/H offers improved performance with lower forward voltage (500 mV versus 550 mV) and lower reverse leakage current (200 µA versus 400 µA). The SS1FL4HM3/H extends the operating temperature range to 150°C and includes AEC-Q101 automotive qualification. The SS1FL4HM3/H is Active status, making it suitable for new designs.

Q: Are all three parts compatible with the same PCB footprint?

A: Yes. All three parts use the DO-219AB package (Sub SMA form factor). PCB footprints, solder pad layouts, and mechanical mounting requirements are identical. No PCB redesign is required when substituting between these parts.

Q: What does "Not For New Designs" mean for the SS14L?

A: This designation indicates the part is in mature production phase with declining availability and potential future discontinuation. The part remains fully functional and available for current orders. However, for new product development, selecting an Active-status alternative such as the SS1FL4HM3/H is recommended to ensure long-term supply chain stability.

Q: Can the SS1FL4HM3/H be used in applications originally designed for the SS14L RVG?

A: Yes. The SS1FL4HM3/H meets or exceeds all electrical specifications of the SS14L RVG. The lower forward voltage drop and reverse leakage current represent performance improvements. The extended temperature range (to 150°C) provides additional operational margin. Direct substitution is valid without circuit modification.

Q: What packaging formats are available for these parts?

A: The SS14L RVG is supplied in Tape & Reel (TR) format. The SS14L parametric equivalent is available in Cut Tape (CT) and Digi-Reel® formats. The SS1FL4HM3/H is supplied in Tape & Reel (TR) format. Selection of packaging format depends on assembly equipment compatibility and order quantity requirements.

Q: Are all three parts RoHS3 compliant?

A: Yes. The SS14L RVG, SS14L, and SS1FL4HM3/H are all RoHS3 compliant with REACH Unaffected status. All parts carry Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture control requirements during storage or handling.