SS19LHM2G Equivalent & Substitute Parts

Part Overview

The SS19LHM2G is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, designed for surface mount applications in the Sub SMA package format. This component operates at 90 V DC reverse voltage with 1 A average rectified current and is qualified to AEC-Q101 automotive standards. The part is currently in Active product status with 814 pieces in stock.

Substitute parts become necessary when the primary part number reaches end-of-life status, inventory constraints occur, or when design flexibility is required across manufacturing locations. The SS19LHM2G has identified parametric equivalents that maintain identical electrical and mechanical specifications while offering alternative availability or packaging configurations.

Substiute Parts

SS19LHM2G

Taiwan Semiconductor CorporationIn Stock: 923SS19LHM2G Datasheet

Current PartRFQ

SS19L

Taiwan Semiconductor CorporationIn Stock: 7640SS19L Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SS19LHM2G is determined by strict equivalence across the following critical parameters:

Electrical Specifications:

• Voltage - DC Reverse (Vr) (Max): 90 V
• Current - Average Rectified (Io): 1 A
• Voltage - Forward (Vf) (Max) @ If: 800 mV @ 1 A
• Current - Reverse Leakage @ Vr: 50 µA @ 90 V
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)

Mechanical & Environmental Specifications:

• Package / Case: DO-219AB (Sub SMA)
• Mounting Type: Surface Mount
• Operating Temperature - Junction: -55°C to 150°C
• Technology: Schottky

Compliance & Quality Standards:

• Grade: Automotive
• Qualification: AEC-Q101
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level (MSL): 1 (Unlimited)

The SS19L is identified as a parametric equivalent, maintaining all electrical and mechanical specifications while differing in product status and packaging configuration.

Parameter Comparison

Engineering Selection Recommendations

SS19LHM2G (Primary Selection)

The SS19LHM2G is the recommended selection for new designs. This part maintains Active product status, ensuring long-term availability and manufacturing support. It carries AEC-Q101 automotive qualification and ROHS3 compliance, meeting current regulatory requirements. The part is available in Digi-Reel® packaging and maintains adequate inventory levels at 814 pieces.

SS19L (Alternative Selection)

The SS19L is electrically and mechanically identical to the SS19LHM2G across all critical parameters. However, this part carries a "Not For New Designs" product status designation. The SS19L is suitable for legacy system maintenance, repair operations, or applications where existing design validation has already been completed. This substitute offers higher inventory availability at 7600 pieces and supports both Cut Tape and Digi-Reel® packaging configurations. Selection of SS19L requires acknowledgment of its discontinued design status and should be limited to non-new-design applications.

Frequently Asked Questions (FAQ)

Q: Can SS19L be used as a direct replacement for SS19LHM2G in new designs?

A: No. While SS19L is electrically and mechanically identical, it carries "Not For New Designs" product status. New designs must use SS19LHM2G, which maintains Active status and ensures long-term manufacturing support.

Q: Are the electrical specifications identical between SS19LHM2G and SS19L?

A: Yes. Both parts share identical specifications for voltage rating (90 V), current rating (1 A), forward voltage (800 mV @ 1 A), reverse leakage current (50 µA @ 90 V), and recovery speed (Fast Recovery ≤ 500ns, > 200mA).

Q: Do both parts use the same package?

A: Yes. Both SS19LHM2G and SS19L use the DO-219AB package in Sub SMA format for surface mount applications.

Q: What is the difference in packaging configuration between these parts?

A: SS19LHM2G is supplied in Digi-Reel® packaging. SS19L is available in both Cut Tape (CT) and Digi-Reel® configurations, offering greater flexibility in packaging options.

Q: Are both parts automotive qualified?

A: Yes. Both SS19LHM2G and SS19L carry AEC-Q101 automotive qualification and are classified as Automotive grade components.

Q: Do both parts meet current environmental compliance standards?

A: Yes. Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating.

Q: When should SS19L be selected over SS19LHM2G?

A: SS19L should be selected only for legacy system maintenance, repair operations, or applications where existing design validation has been completed and new design status is not required.

Q: What is the inventory difference between these parts?

A: SS19LHM2G has 814 pieces in stock. SS19L has 7600 pieces in stock, providing significantly higher availability for legacy applications.