This is a comprehensive datasheet for the SDR6638, SDR6642, SDR6643, & SDR4150 series of fast recovery diodes manufactured by Solid State Devices, Inc.


1. Device Overview:

️· Type: Fast Recovery Diodes
️· Manufacturer: Solid State Devices, Inc.
️· Key Features: The datasheet emphasizes their fast recovery time, making them suitable for high-frequency switching applications.

2. Electrical Characteristics:

️· Detailed specifications covering:
- Forward Voltage Drop (various conditions)
- Breakdown Voltage
- Reverse Leakage Current (at various voltages and temperatures)
- Junction Capacitance
- Reverse Recovery Time (trr)

3. Absolute Maximum Ratings:

️· Specifies the maximum limits for parameters like:
- Repetitive Peak Reverse Voltage
- Peak Forward Current
- Operating and Storage Temperature
- Power Dissipation

4. Package Dimensions:

️· Includes precise mechanical drawings and dimensions for:
- SM (Surface Mount) Package
- Axial Lead Package
- SMS (Surface Mount Square) Package
️· Dimensions are given in inches.

5. General Information:

️· Document Number: RC0126C
️· Contact Information: Solid State Devices, Inc. address, phone, fax, email, and website.
️· Disclaimer: Notes that specifications are subject to change and that SCDs should be reviewed by SSDI before release.

In essence, this document is designed for engineers and designers looking to integrate these diodes into their circuits. It provides all the necessary electrical, mechanical, and thermal data to ensure proper selection and application.