SS12LHMHG Equivalent & Substitute Parts

Part Overview

The SS12LHMHG is a Schottky rectifier diode manufactured by Taiwan Semiconductor Corporation, rated for 20 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 carries automotive-grade qualification (AEC-Q101). Substitute parts are identified when equivalent electrical performance and mechanical compatibility are required due to inventory constraints, supply chain considerations, or design flexibility needs.

Substiute Parts

SS12LHMHG

Taiwan Semiconductor CorporationIn Stock: 1220SS12LHMHG Datasheet

Current PartRFQ

SS12L

Taiwan Semiconductor CorporationIn Stock: 1536SS12L Datasheet

Parametric EquivalentRFQ

SL02-GS08

Vishay General Semiconductor - Diodes DivisionIn Stock: 43948SL02-GS08 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the SS12LHMHG are identified based on strict electrical and mechanical parameter matching within the Schottky diode rectifier category. The substitution logic is based on the following key parameters:

Primary Matching Criteria:

• Voltage - DC Reverse (Vr) (Max): 20 V
• Package / Case: DO-219AB (Sub SMA / SMF)
• Technology: Schottky
• Mounting Type: Surface Mount
• Operating Temperature Range: Compatible with -55°C to 125°C junction temperature

Secondary Compatibility Parameters:

• Current - Average Rectified (Io): 1 A or higher
• Voltage - Forward (Vf) (Max): ≤ 450 mV @ rated current
• Speed: Fast Recovery ≤ 500ns, > 200mA (Io)
• Current - Reverse Leakage @ Vr: ≤ 400 µA @ 20 V
• RoHS3 Compliance and MSL Level 1

Parts meeting these criteria are classified as parametric equivalents or similar manufacturers' alternatives suitable for direct substitution in circuit applications.

Parameter Comparison

Engineering Selection Recommendations

SS12L (Taiwan Semiconductor Corporation): The SS12L is a parametric equivalent to the SS12LHMHG with identical electrical specifications and package configuration. However, the SS12L carries a "Not For New Designs" product status designation. This part is suitable for replacement applications, legacy system maintenance, and inventory management where existing designs require component replenishment. Both parts maintain ROHS3 compliance and MSL Level 1 rating.

SL02-GS08 (Vishay General Semiconductor - Diodes Division): The SL02-GS08 is a similar manufacturer alternative with enhanced electrical performance characteristics. This part provides higher average rectified current (1.1 A versus 1 A), lower forward voltage drop (420 mV @ 1.1 A versus 450 mV @ 1 A), and reduced reverse leakage current (250 µA @ 20 V versus 400 µA @ 20 V). The SL02-GS08 includes specified reverse recovery time (10 ns) and maintains Active product status. This part is suitable for new designs and applications requiring improved thermal efficiency and lower power dissipation. All three parts share identical package geometry (DO-219AB), surface mount configuration, and compliance certifications.

Frequently Asked Questions (FAQ)

Q: Can SS12L be used as a direct replacement for SS12LHMHG? A: Yes. The SS12L provides identical electrical parameters and package configuration. The primary distinction is product status classification. SS12L is designated "Not For New Designs," making it suitable for replacement and maintenance applications rather than new circuit development.

Q: What are the advantages of SL02-GS08 over SS12LHMHG? A: The SL02-GS08 offers three measurable improvements: higher current rating (1.1 A versus 1 A), lower forward voltage drop (420 mV @ 1.1 A versus 450 mV @ 1 A), and lower reverse leakage current (250 µA @ 20 V versus 400 µA @ 20 V). These characteristics result in reduced power dissipation and improved thermal performance in circuit applications.

Q: Are all three parts compatible with the same PCB footprint? A: Yes. All three parts use the DO-219AB package configuration with Sub SMA / SMF supplier device package designation. PCB footprints and land patterns are mechanically identical.

Q: Do all substitute parts meet automotive qualification requirements? A: The SS12LHMHG carries AEC-Q101 automotive qualification. The SS12L and SL02-GS08 specifications provided do not explicitly list AEC-Q101 qualification status. Automotive application requirements must be verified against specific qualification documentation for each part.

Q: What is the temperature operating range difference between these parts? A: SS12LHMHG and SS12L both specify -55°C to 125°C junction temperature range. SL02-GS08 specifies 125°C maximum junction temperature without explicit minimum temperature rating in the provided data.

Q: Are all parts RoHS3 compliant? A: Yes. All three parts carry ROHS3 Compliant status and MSL Level 1 (Unlimited) moisture sensitivity rating, indicating no special moisture handling requirements during storage or assembly.

Q: Which part should be selected for new circuit designs? A: SS12LHMHG (Active status) or SL02-GS08 (Active status) are appropriate for new designs. SS12L is designated "Not For New Designs" and should be reserved for replacement and legacy system applications.