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PDF B45198T Data sheet ( Hoja de datos )
| Número de pieza | B45198T | |
| Descripción | (B45196T / B45198T) Tantalum chip capacitors | |
| Fabricantes | Kemet Corporation | |
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Tantalum Chip Capacitors
Performance, High Temperature 175 °C
Series/Type:
Date:
B45196T, B45198T
July 2006
© KEMET 2006. Reproduction, publication and dissemination of this publication, enclosures hereto and the
information contained therein without KEMET's prior express consent is prohibited.
1 page  
Tantalum chip capacitors
Performance, High Temperature 175 °C
B45196T, B45198T
Specifications and characteristics in brief
Series
Ordering code
Technology
Terminals
Rated voltage
Rated capacitance
Capacitance tolerance
Maximum impedance
Operating temperature range
Failure rate
(1 fit = 110-9 failures/h)
CR VR ≤ 330 µF V
CR VR > 330 µF V
Service life
Leakage current
Detail specification
Climatic category
(to IEC 60068-1)
(up to 85 °C)
(up to 125 °C)
(up to 150 °C)
(up to 175 °C)
(20 °C, 120 Hz)
VR
CR
(20 °C, 100 kHz)
(at 40 °C; ≤ VR,
RS ≥ 3 Ω/V)
Zmax
Top
(VR, 5 min, 20 °C) Ileak
(55 °C/+125 °C/56
days damp heat
test)
Performance,
High Temperature 175 °C
B45196T B45198T
Ta-MnO2
Tinned
Ta-MnO2
Gold-plated
6.3 ... 35
4.0 ... 23
3.2 ... 17.5
2.1 ... 11.7
0.15 ... 150
±20%, ±10%
0.5 ... 23
55 ... +175
≤0.8
≤2.5
>500000
10
CECC 30801-801/-802
55/125/56
VDC
µF
Ω
°C
fit
h
nA/µC
Maximum working voltage at 175 °C: 0.33 VR (Maximum 500 h).
Details for this operating condition must be agreed upon between supplier and customer.
For high temperature types, individual tests are carried out under more extreme conditions,
supplementary to the tests specified by CECC.
Please read Important notes and
Cautions and warnings at the end of this document.
Page 5 of 13
5 Page 
Tantalum chip capacitors
B45196T, B45198T
Performance, High Temperature 175 °C
Cautions and warnings
When using tantalum capacitors with a manganese dioxide coating, the following cautions and
warnings should be taken into account:
Polarity
Because tantalum capacitors are polar capacitors, it is important to observe their polarity
markings (positive pole on the anode, negative pole on the cathode). Any incorrect polarity
resulting from the sum of the AC and DC voltage components must be smaller than or equal to
the permitted polarity reversal voltage. To avoid reducing their reliability, this voltage may only
occur for a short time, at most five times for a duration of one minute per hour.
Voltage
The maximum continuous voltage depends on the ambient temperature. Within the temperature
range of 55 to +85 °C, the rated voltage is equal to the maximum continuous voltage. Between
+ 85 and + 125 °C the maximum continuous voltage must be reduced linearly from the full rated
voltage to 2/3 of it (derating). At 150 °C (only B4519*P series) the voltage must be reduced to 1/2
and at 175 °C (only B4519*T series) to 1/3 of the rated voltage. Operation below the maximum
continuous voltage has a positive effect on the capacitor’s failure rate. The maximum continuous
voltage must not be exceeded.
All unfavourable operating conditions (such as possible line overvoltages, unfavourable
tolerances of the transformation ratio of the line transformer in the equipment, repeated
overvoltages when the equipment is switched on, high ambient temperatures) must be taken into
account when determining the operating voltage.
The surge voltage is the maximum voltage (peak value) that may be applied to the capacitor for
short periods, at most five times for a total duration of up to 1 minute per hour. The surge voltage
must not be applied for periodic charging and discharging in the course of normal operation and
cannot be part of the operating voltage. The permissible surge voltage for all capacitors in this
data book is 1.3 x the rated voltage. The occurrence of voltage impulses (transient voltages) that
exceed the surge voltage may lead to irreparable damage.
Capacitance
The actual capacitance of a capacitor can deviate from the rated capacitance by as much as the
full magnitude of the tolerance at delivery. The capacitance varies with the temperature (at
+125 °C +12% up to +20%) and decreases with increasing frequency.
Please read Important notes and
Cautions and warnings at the end of this document.
Page 11 of 13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet B45198T.PDF ] | |
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