## Summary of the Document:

This document is a datasheet for a series of fast recovery rectifiers: SDR9JUF, SDR9KUF, and SDR9MUF. It provides the electrical and mechanical specifications for these diodes.

Key Features & Specifications:

️· Voltage Range: Available in 600V (JUF), 800V (KUF), and 1000V (MUF) versions (VRRM).
️· Current: 9A average rectified forward current.
️· Fast Recovery: Designed for high-frequency applications.
️· Temperature: Operating and storage temperature range: -65°C to +175°C.
️· Package Types: Available in both Axial Leaded and Surface Mount (SMS) packages.
️· Key Electrical Parameters: Forward voltage drop, reverse leakage current, junction capacitance, and reverse recovery time are all specified.

Document Sections:

1. Maximum Ratings: Lists absolute maximum stress ratings (voltage, current, temperature) that must not be exceeded.
2. Electrical Characteristics: Provides typical and/or minimum/maximum values for important electrical parameters.
3. Mechanical Dimensions: Includes drawings and dimensions for both axial-leaded and surface-mount packages.
4. Notes: Includes information about ordering, availability, and contact information for more detailed specifications.

Target Applications:

These fast recovery rectifiers are likely intended for use in switching power supplies, freewheeling diodes, and other high-frequency applications where fast switching speed and low forward voltage drop are important.

Overall, this datasheet provides all the necessary information for engineers and designers to select and use these diodes in their applications.