About SSDI

Serving the Aerospace & Defense Industries since 1967

Serving the Aerospace & Defense Industries since 1967
From its inception, SSDI has shown an unwavering commitment to deliver hermetic semiconductor devices and assemblies for critical aerospace and defense applications. This pursuit has driven SSDI to not only provide the highest quality in widely used standard products, but to continually develop unique innovative solutions aimed at enhancing performance and resolving real world issues.

3H Products

High Density, High Voltage, and High Reliability Products for Aerospace & Defense
  • High Density: continually evaluate materials, processes and package designs to reduce footprint and weight
  • High Performance: utilize the latest technology and highly refined processes to create innovative solutions
  • High Reliability: continually improving quality management system to achieve the highest quality certifications such as JANS and ISO 9001 / AS9100
Wide Range of Products

Axial Leaded (Stack Junction)
Axial Leaded HV Rectifier

  • ASPDs (Application Specific Power Devices)
  • Axial Leaded & Surface Mount Rectifiers
  • Battery Bypass Modules
  • Bipolar Products
  • Centertaps & Bridges
  • Custom Products (per customer requirements)
  • DC-DC Converters
  • High Voltage Rectifiers & Assemblies
  • IGBTs
  • GaN Power FETs
  • Power Hybrids
  • Power Modules
  • Rectifiers
  • Schottkys and Schottky Assemblies
  • SiC Schottky Rectifiers
  • Small Signal Transistors
  • Thyristors / SCRs
  • TVS
  • TVS and Zener Assemblies
  • Voltage Regulators
  • Zeners
Solution Focused Supplier
  • Engineering / Manufacturing / Quality Review - precisely match high reliability product capabilities to the needs of customers' applications
  • 700+ Years of Engineering / Technical Experience in the Semiconductor Manufacturing Field - engineers and technical staff have years of experience from companies like Microsemi, International Rectifier, Semtech, Motorola, and Unitrode
  • Wide Range of In-House Support:
    • Design engineering
    • Mechanical engineering
    • HiRel screening / testing
    • Manufacturing expertise
    • Wafer fabrication
    • Package / tooling capabilities
    • Ordering / document processing assistance
  • Wide Range of Package Options
  • Wide Range of Package Options

    • Surface mount
    • Axial leaded
    • TO-25X Series
    • Stud mounts
    • TO-CAN types (i.e. TO-5)
    • Assemblies
    • Flat packs
    • Ceramic DIP
    • Custom packages
  • New, Innovative Products and End of Life Solutions
  • Split Mount Centertap Sedpack (CT3)
    Split Mount
    CT Sedpack

    • Product development
    • Build to data sheets or SCDs
    • Reverse engineering
    • Special packaging
    • Cross references available for most devices offered by competitors including Motorola, Texas Instruments, Microsemi, International Rectifier, Semtech, Siliconix, etc.
    • Replacements often offer improved performance
    • Samples / prototypes available
  • Read & Record Data and QCI Data (provided where available)
  • Uniquely Positioned to Accommodate Small Quantity Orders
  • Material Lot Traceability
  • Strong Anti-Counterfeit Program

Product Line Information

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About Us

JANS Certified / ISO 9001 and AS9100 Certified Manufacturer of High Power and High Voltage Products for the Aerospace and Defense Industries