MIL-PRF-39018/7C
High temperature verification: In accordance with MIL-PRF-39018 at 105°C with rated voltage applied.
DCL - See table I.
ĆCap. - Within ±10 percent of initial measured value.
ESR - Not more than 130 percent of initial requirement.
Reverse voltage aging: In accordance with MIL-PRF-39018.
Marking: In accordance with MIL-PRF-39018.
Part or Identifying Number: M39018/07-(dash number from table I).
The complete dash number will include additional letter symbol (s) as shown in table I.
OPERATION NOTES:
1. Application. The 4-terminal axial leaded capacitor is designed for high frequency applications where low ESR,
inductance and impedance are required. The advantage of 4-terminal construction over 2-terminal
construction is that the impedance decreases above 10 kHz.
2. 10 kHz - 1 MHz Impedance. Measurements are made using a voltage divider network as shown in figure 2.
The impedance value of the capacitor is then calculated from the ratio of the voltages across the known
impedance and the unknown impedance as follows:
R
ZX =
× VX
VR
FIGURE 2. Voltage divider network.
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