參數(shù)資料
型號(hào)： T491A104K035AT
廠商： KEMET Corporation
英文描述： Surface Mount Capacitors
中文描述： 表面貼裝電容
文件頁(yè)數(shù)： 8/100頁(yè)
文件大?。?/td> 4351K
代理商： T491A104K035AT
Surge voltage tests are performed at +25°C,
+85°C and +125°C with the applicable surge volt-
age. The surge voltage is applied for 1000 cycles
of 30 seconds at voltage through a 33 ohm series
resistor and 30 seconds off voltage with the
capacitor discharged through a 33 ohm resistor.
Upon completing the test, the capacitors are
allowed to stabilize at room temperature. Capaci-
tance, DCL and DF are then tested:
a.
Capacitance — within ± 5% of initial value
b.
DC Leakage — within initial limit
c.
Dissipation Factor — within initial limit
d.
ESR — within initial limit
7. Reverse Voltage and Polarity
TABLE 3 Reverse Voltage Ratings
Temperature
Permissible Reverse Voltage
+25°C
15% of Rated Voltage
+85°C
+125°C
5% of Rated Voltage
1% of Rated Voltage
Solid tantalum capacitors are polarized devices
and may be permanently damaged or destroyed if
connected with the wrong polarity. The positive
terminal is identified on the capacitor body by a
stripe and a beveled edge. A small degree of tran-
sient reverse voltage is permissible for short peri-
ods per Table 3. The capacitors should not be
operated continuously in reverse mode, even with-
in these limits.
8. DC Leakage Current (DCL)
Refer to part number tables for maximum leakage
current limits.
DC leakage current is the current that, after a one-
to five-minute charging period, flows through a
capacitor when voltage is applied. Leakage is
measured at +25°C with full rated DC voltage
applied to the capacitor through a 1000 ohm resis-
tor in series with the capacitor.
DC leakage current increases with increasing tem-
perature.
TABLE 4 Leakage Limit Multipliers at Specified
Temperatures (ref: 25
°
C limits)
Ambient Temperature
+85°C
10X
–55°C
N/A
+125°C
12X
TABLE 1 Maximum Capacitance Change
with Temperature (ref: 25
°
C)
Ambient Temperature
+85°C
+10%
–55°C
–10%
+125°C
*+12% or +15%to20%
*+12% is standard. +15% and 20% apply to certain
extended CV values as noted in part number tables.
5. Working DC Voltage (WVDC)
3 to 50 volts
Refer to part number tables for available voltage
ratings by series.
These voltages are the maximum recommended peak
DC operating voltages from –55°C to +85°C for
continuous duty. These voltages are derated linearly above
+85°C to 2/3 rated voltage for operation at
+125°C (See Figure 3). For added reliability it is
recommended to operate at a 50% derating of the working
voltage for tantalum capacitors with MnO
as a cathode.
See page 39 for working DC Voltage of high temperature
T498 product.
FIGURE 3
Working DC Voltage Change with Temperature
6. Surge Voltage
TABLE 2 Surge Voltage Ratings
at +25°C, +85°C & +125°C
Rated
Working
Volts
@ +25°C
& +85°C
Surge
Voltage
@ +25°C
& +85°C
4
5.2
8
13
20
26
33
46
65
Derated
DC
Volts
@ +125°C
2
2.7
4
7
10
13
17
23
33
Surge
Voltage
@ +125°C
2.4
3.2
5
8
12
16
20
28
40
3
4
6
10
16
20
25
35
50
SOLID TANTALUM CHIP CAPACITORS
100%
80%
60%
40%
20%
-60
Operating Temperature
—
C
P
W
-40
-20
0
+20
+40
+60
+80 +100 +120 +140
KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300
6
TANTALUM MnO
2
COMPONENT PERFORMANCE CHARACTERISTICS
(con’t.)
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參數(shù)描述
T491A104K035AT 制造商:KEMET Corporation 功能描述:CAPACITOR CASE A 100NF 35V 制造商:KEMET Corporation 功能描述:CAPACITOR, CASE A, 100NF, 35V
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T491A104K035AT4659 制造商:KEMET Corporation 功能描述:.100UF 35.0V - Tape and Reel
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