499D686X06R3D1AE3 Просмотр технического описания (PDF) - Vishay Semiconductors
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499D686X06R3D1AE3 Datasheet PDF : 9 Pages
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GUIDE TO APPLICATION
1. AC Ripple Current: the maximum allowable ripple
current shall be determined from the formula:
IRMS =
-----P-------
RESR
where,
P = power dissipation in W at +25 °C as given below
RESR = the capacitor Equivalent Series Resistance at the
specified frequency
2. AC Ripple Voltage: the maximum allowable ripple
voltage shall be determined from the formula:
VRMS = R-----EP---S---R- x Z
where,
Z = the capacitor impedance at the specified frequency
3. AC Ripple Current or Voltage Derating Factor: if these
capacitors are to be operated at temperatures above
+25 °C, the permissible RMS ripple current or voltage
shall be calculated using the derating factors in the table
below:
TEMPERATURE
+25 °C
+55 °C
+85 °C
+125 °C
DERATING FACTOR
1.0
0.9
0.8
0.4
489D, 499D
Vishay Sprague
4. Power Dissipation: power dissipation will be affected by
the heat sinking capability of the mounting surface.
Non-sinusoidal ripple current may produce heating
effects which differ from those shown in the following
table. It is important that the equivalent IRMS value be
established when calculating permissible operating
levels.
CASE CODE
A
B
C
D
E
F
H
M
N
R
POWER DISSIPATION AT +25 °C (W)
0.080
0.090
0.100
0.110
0.120
0.130
0.140
0.150
0.160
0.180
5. Cleaning: these capacitors are compatible with all
commonly used solvents, such as TES, TMS, Prelete and
Chloretane. Solvents containing methylene chloride or
other epoxy solvents should be avoided since these will
attack the epoxy encapsulation material.
Revision: 21-Feb-18
7
Document Number: 42070
For technical questions, contact: tantalum@vishay.com
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT
ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
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