## Summary of the Document:

This document is a datasheet for a series of fast recovery diodes, specifically the SDR1AHF through SDR1NHF. Here's a breakdown of the key information:

1. Product Overview:

️· Type: Fast Recovery Diodes
️· Manufacturer: Solid State Devices, Inc.
️· Series: SDR1A, SDR1B, SDR1C, SDR1D, SDR1E, SDR1F, SDR1G, SDR1H, SDR1I, SDR1J, SDR1K, SDR1L, SDR1M, SDR1N
️· Typical Applications: Likely for switching power supplies, converters, or other high-frequency applications where fast recovery is crucial.

2. Key Electrical Characteristics (Highlights):

️· Forward Voltage (VF): Approximately 3.30 - 3.50V at 1A (varies slightly with model).
️· Reverse Leakage Current (IR): 5.0µA at rated voltage (at 25°C) and 200µA at 100°C.
️· Reverse Recovery Time (trr): 35 nanoseconds – indicating a fast switching speed.
️· Junction Capacitance (CJ): 20 pF - relates to the diode’s ability to store charge.

3. Absolute Maximum Ratings (Not explicitly listed, but implied through characteristics):

️· The datasheet implies ratings for forward current, reverse voltage, power dissipation, etc. (These would be in a separate section typically.)

4. Mechanical Dimensions:

️· The document provides mechanical dimensions for both axial-lead and surface-mount (SMS) packages.

5. Important Notes:

️· Specifications are subject to change.
️· Review by SSDI is required before using these devices in designs.

In essence, this datasheet provides the electrical and mechanical information needed to design with these fast-recovery diodes in appropriate applications.