SS19LHRUG Equivalent & Substitute Parts

Part Overview

The SS19LHRUG is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, designed for surface mount applications in automotive-grade circuits. This component operates at 90 V DC reverse voltage with 1 A average rectified current and features fast recovery characteristics suitable for high-frequency switching applications.

The SS19LHRUG maintains Active product status and carries AEC-Q101 automotive qualification. Alternative part numbers exist within the same product family due to packaging variations and design lifecycle considerations. Identifying equivalent substitutes ensures supply chain flexibility while maintaining electrical and mechanical compatibility.

Substiute Parts

SS19LHRUG

Taiwan Semiconductor CorporationIn Stock: 806SS19LHRUG Datasheet

Current PartRFQ

SS19L

Taiwan Semiconductor CorporationIn Stock: 7640SS19L Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SS19LHRUG is determined by electrical parameter equivalence and mechanical compatibility. The primary substitute identified is the SS19L, which shares the same base product number (SS19) and maintains identical electrical specifications across all critical parameters.

The substitution logic is based on the following key parameters:

• Voltage - DC Reverse (Vr) (Max): 90 V
• Current - Average Rectified (Io): 1 A
• Voltage - Forward (Vf) (Max) @ If: 800 mV @ 1 A
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Current - Reverse Leakage @ Vr: 50 µA @ 90 V
• Operating Temperature - Junction: -55°C to 150°C
• Package / Case: DO-219AB
• Mounting Type: Surface Mount
• Technology: Schottky

The SS19L variant differs in packaging format (Cut Tape and Digi-Reel options) and product lifecycle status (Not For New Designs), but maintains complete electrical and thermal equivalence with the SS19LHRUG.

Parameter Comparison

Engineering Selection Recommendations

For New Designs: The SS19LHRUG is the recommended selection. This part maintains Active product status, ensuring long-term availability and manufacturer support. It carries full AEC-Q101 automotive qualification and ROHS3 compliance, meeting current regulatory requirements.

For Existing Designs or Supply Continuity: The SS19L provides complete electrical and thermal equivalence and serves as a valid substitute. However, this part carries Not For New Designs status, indicating it is in the later stages of its product lifecycle. The SS19L is suitable for sustaining production of existing applications but should not be selected for new circuit designs.

Compliance Considerations: Both parts maintain identical compliance certifications including AEC-Q101 automotive qualification, ROHS3 compliance, and REACH Unaffected status. Moisture sensitivity level remains at MSL 1 (Unlimited) for both variants, eliminating moisture-related handling constraints.

Packaging and Supply: The SS19LHRUG is available in standard packaging format. The SS19L offers alternative packaging options (Cut Tape and Digi-Reel) which may provide supply flexibility for high-volume production environments.

Frequently Asked Questions (FAQ)

Q: Can the SS19L be used as a direct replacement for the SS19LHRUG in automotive applications?

A: Yes. The SS19L provides complete electrical and mechanical equivalence. Both parts share identical voltage ratings (90 V), current ratings (1 A), forward voltage characteristics (800 mV @ 1 A), recovery speed, leakage current, temperature range, and package specifications (DO-219AB). Both maintain AEC-Q101 automotive qualification. The primary difference is product lifecycle status; the SS19L is designated Not For New Designs.

Q: What is the significance of the "Not For New Designs" status on the SS19L?

A: This designation indicates the SS19L is in the mature or declining phase of its product lifecycle. Manufacturers typically apply this status to parts approaching end-of-life to encourage migration to newer alternatives. For existing production lines, the SS19L remains fully functional and compliant. For new circuit designs, the SS19LHRUG (Active status) is the appropriate selection to ensure long-term supply availability.

Q: Are there any thermal or electrical performance differences between these parts?

A: No. Both the SS19LHRUG and SS19L maintain identical specifications across all thermal and electrical parameters: operating junction temperature range (-55°C to 150°C), reverse voltage (90 V), forward voltage (800 mV @ 1 A), average rectified current (1 A), reverse leakage current (50 µA @ 90 V), and recovery speed (≤ 500ns).

Q: Do packaging format differences affect electrical performance?

A: No. The SS19LHRUG and SS19L both use the DO-219AB package with Sub SMA supplier device package designation. Packaging format variations (standard reel versus Cut Tape and Digi-Reel options) affect supply chain logistics and handling but do not alter electrical characteristics or circuit performance.

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

A: Yes. Both the SS19LHRUG and SS19L feature fast recovery characteristics (≤ 500ns at > 200mA), making them suitable for high-frequency switching circuits. This recovery speed specification is identical across both parts.

Q: What compliance certifications apply to both parts?

A: Both the SS19LHRUG and SS19L carry AEC-Q101 automotive qualification, ROHS3 compliance, and REACH Unaffected status. Moisture sensitivity level is MSL 1 (Unlimited) for both, eliminating moisture-related storage and handling restrictions.