The datasheet provides detailed specifications for high voltage diodes that are epoxy molded, have a forward current of 1.5A or 3.0A, and a reverse recovery time of 200ns. These diodes are axial leaded and are designed for applications requiring high surge capabilities. The electrical characteristics and the maximum ratings outlined in the datasheet are for different versions of diodes, with part numbers presumably being K25F, K50F, and K100F.
Electrical Characteristics and Maximum Ratings
Part Numbers and Ratings: The document lists several key parameters across diodes with different part numbers, referring to their working peak reverse voltage (Vrwm), average rectified forward current (Io), forward surge current (Ifsm), repetitive reverse surge current (Ifrm), and junction capacitance (Cj). Additionally, it specifies the thermal impedance in °C/W for different junction temperatures.
The diodes’ Vrwm ratings vary significantly, starting at a lower end of 2500 volts for part number K25F, 5000 volts for K50F, and reaching 10000 volts for K100F. Forward rectified current ranges from 1.50 Amps for a 3.00 Amp product to 0.75 Amps for a 1.5 Amp product, indicating the average current the diode can handle without exceeding its temperature rating.
The surge current capability is also an essential factor represented here. For a single cycle with a pulse length of 8.3ms (milliseconds), these diodes can handle a forward surge current ranging from 6.5 Amps for K25F to 13.0 Amps for K100F. Similarly, all variants handle the same repetitive reverse surge current of 100 Amps at 1kHz frequency.
Thermal and Junction Characteristics: The diodes operate within a temperature range from -55°C to +150°C for junction temperatures and -55°C to +175°C for storage temperatures. The thermal impedance shows how effectively heat is dissipated, and it ranges from 50 to 70 °C/W, with changes depending on the diode’s part number and assumed lead length.
The recovery time is uniform across all variants at 200ns, which is the time required for the diode to switch from conducting in the forward direction to blocking in the reverse direction. Junction capacitance also remains constant at 200 pF across all types, which affects the switching speed and frequency response of the diode.
Physical Dimensions
Physical dimensions are provided in inches, with corresponding millimeter conversion in parentheses. Notable dimensions include the overall length, ranging from 0.25 inches (6.35mm) to 0.375 inches (9.53mm), and the diameter at 0.093 inches (2.36mm), indicating these are small-sized components suitable for compact electronic circuits.
Contact Information
For further details or changes, the provided contact information includes telephone and fax numbers for Voltage Multipliers Inc., as well as two web addresses for additional resources related to the company and high voltage power supplies.
Manual:
Chat: Powered By VoiceSphere
Pricing & Distributors: https://www.datasheets360.com/part/detail/k25f/1295966835435316752/
