PART CODE:
CA42A025M225BA
SPECIFICATION SHEET
SPECIFICATION SHEET NO.
N0830- CA42A025M225BA
DATE
Aug. 30, 2021
REVISION
A0
DESCRIPITION
Dip Type Epoxy-Coated Solid Electrolytic Tantalum Capacitor
CA42 Series, Case A, Lead Space 2.54mm (0.100”)
Rated voltage 25 Vdc, Capacitance 2.2μF, Tolerance ±20%
Operating Temp. Range -55°C ~+125°C,
Package in Bulk, 1000pcs/polybag and inner box
RoHS/RoHS III compliant
CUSTOMER
CUSTOMER PART NUMBER
CROSS REF. PART NUMBER
ORIGINAL PART NUMBER
CA42-25V2.2
PART CODE
CA42A025M225BA
VENDOR APPROVE
Issued/Checked/Approved
DATE: Aug. 30, 2021
CUSTOMER APPROVE
DATE:
1
NextGen Components, Inc.
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PART CODE:
CA42A025M225BA
DIP TANTALUM CAPACITORS CA42 SERIES CASE A
MAIN FEATURE
• RoHS III Compliant
• Wide Operating Temperature Range -55~+125℃
• Epoxy-coated and Radial- lead
• Stable in electrical & storage performances
APPLICATION
• For TV sets, PC, Mobile Telephone sets Pickup camera Radar etc.
• Instruments, Meters and more electronical equipment.
RFQ
PART CODE GUIDE
Request For Quotation
CA42
A
025
M
225
B
A
1
2
3
4
5
6
7
1) CA42: Series code for Dip Type Epoxy-Coated Solid Electrolytic Tantalum Capacitors
2) A: Case size code for Lead space , A: 2.54mm(0.100”); B: 5.08mm (0.200”)
3) 025: Rated voltage Code, 025: 25Vdc
4) M: Capacitance Tolerance code, K: +/-10%; M: +/-20%
5) 225: Capacitance Code: 1st two digits represent Significant figures, 3rd Digit specifies number of Zeros. 225: 2.2μF
6) B: Package code, B: in Bulk, 1000pcs/polybag; A: In Paper Tape AMMO
7) A: Internal control or Customer’s Special Code (A~Z or 1~9)
CROSS REFERENCE LIST for reference
Our Series Code
Other Brand Manufacturer
Cross Product series
CA42
AVX
TAP
Kemet
T350~T356
NEC
ND, NP
NIC
NDTM
NICHICON
S89
NEMCO/SUNTSU
TB
PANASONIC
ECSF
VISHAY
199D, 489D, ETPW, ETQW
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PART CODE:
CA42A025M225BA
DIP TANTALUM CAPACITORS CA42 SERIES CASE A
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PRODUCT STRUCTURE for reference
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PART CODE:
CA42A025M225BA
DIP TANTALUM CAPACITORS CA42 SERIES CASE A
DIMENSION (Unit: mm)
-
_
Image for reference
CA42 Case A
Capacitance code: 2.2µF
Dimension
d
0.5±0.5mm
_ _
Marking: 225/25
Item
225
25 +
Polarity: Anode (+)
Rate Voltage Code: 25V
Long Lead : Anode (+)
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PART CODE:
CA42A025M225BA
DIP TANTALUM CAPACITORS CA42 SERIES CASE A
ELECTRONICAL CHARACTERISTICS
Item
Unit
Operating
Temperature Range
Symbol
Characteristic
Condition
°C
-55~+125
@>85℃
Applying Voltage
Derating: 10V
Rated Voltage
Range
V DC
25
Capacitance
Tolerance
%
±20
@25℃, 100Hz,
V: 0.3+/0.02
Leakage Current
μA
I0
Measured after 1 Minutes Application
of rated voltage reading,
I 0≤ 0.02 CRUR or 1.0μA Max.
whichever is greater @25 ℃
CR: (μF) Nominal
Capacitance
UR: (V) Rated voltage
Capacitance
μF
CR
2.2
@25℃, 100Hz
Dissipation Factor
%
tgδ
6.0 Max.
@25℃, 100Hz,
V: 0.3+/0.02
TEMPERATURE CHARACTERISTICS
Item
Unit
Capacitance change
Dissipation Factor
(Max)
Temperature
Characteristics
Leakage Current
(I Max.)
@Nominal Capacitance 2.2μF
℃
-55
+85
+125
%
±8
±12
±15
%
-55
+20
+85
+125
±6
±6
±8
±8
μA
+20
+85
+125
I 0≤
0.002
CRUR
or
1.0μA
10
Io
12.5
I0
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PART CODE:
CA42A025M225BA
DIP TANTALUM CAPACITORS CA42 SERIES CASE A
APPLICATION NTOE
Storage Condition
1) Environmental temperature:10°C~ +40°C
2) Relative humidity no more than 70%
3) Storing period: No more than one and half year since the date of stocking.
Application Guide
1) Ripple current and voltage
If the ripple current is applied to the capacitor, the Joule heat (power dissipated) will be generated in the capacitor,
so it will affect the reliability of the capacitor.
(1) Power Dissipated
The actual power dissipated can be calculated using the following formula: P=I² × ESR………Formula 1
P: Power dissipated (W); I: Ripple current (A); ESR: Equivalent series resistance (Ω)
Power Dissipation for Case A 75mW Max. @+25°C
(2) Ripple current
Using the maximum power dissipation 65mW Max., the ripple current can be calculated using the following
formula: I=
×K×F…………Formula 2
K: Temperature derating factor...... Table 1; F: Frequency derating factor........ Table 2
ESR: Refer to the ratings of each specific product
Table 1: Temperature Drop Factor K
Temperature
Temperature
Derating Factor K
25 °C
1
85 °C
0.9
125 °C
0.4
Table 2: Frequency Derating Factor F
Frequency
(KHz)
10
100
500
1000
MnO2
0.80
1.0
1.15
1.20
Using formula 3 to calculate corrugated voltage E: E=Z×I………. Formula 3
E: Ripple voltage; Z: Specific frequency impedance
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PART CODE:
CA42A025M225BA
DIP TANTALUM CAPACITORS CA42 SERIES CASE A
(3) Ripple voltage
The ripple voltage applied to the capacitor is limited by three criteria.
(a) The power dissipation in the ESR of capacitor must not exceed 65mW Max. @+25°C
(b) The positive peak AC voltage plus the DC bias voltage must not exceed the DC voltage rating of the capacitor.
(c) The negative peak AC voltage, in combination with the bias voltage, if any , must not exceed the permissible
reverse voltage ratings presented .
2) Reverse voltage
Solid tantalum capacitors are polarized devices , and applied reverse voltage can not be allowed . If the reverse
voltage is unavoidable, a small degree of transient reverse voltage is permissible for short periods as follow.
25°C……. 10% of Max. rated voltage or 1V whichever is smaller
85°C……. 5% of Max. rated voltage or 0.5V whichever is smaller
125°C……1% of Max. rated voltage or 0.1V whichever is smaller
Even under these restrictions, capacitors can not be used continuously in reverse voltage mode.
3) Working voltage
(1) For general applications, using 50% of rated voltage of capacitors or less.
(2) When used at the power circuit, low impedance circuit , coupling circuit or witching circuit which has leakage
current problems, please design the circuit with voltage under 30% of the working voltage ( Max. 50%) to avoid
the adverse effect of the surge current.
(3) Derating voltage when temperature above 85°C.
When the chip tantalum capacitor is used at 85℃ or more temperatures, the reduced voltage (UT) is calculated
from the following expression, however, note that the ambient temperature is not more than 125℃.
U T=V 0 (U R-U C)(T-85)/40
UR: Rated voltage (V); UC: Derating voltage at 125°C; T: Ambient temperature (°C )
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PART CODE:
CA42A025M225BA
DIP TANTALUM CAPACITORS CA42 SERIES CASE A
4) Protective resistance
In a circuit(switching circuit, charge / discharge circuit, etc.) that has an instantaneous current, series resistance is
at least 3Ω/V, this can improve the reliability of tantalum capacitors. If the capacitor is in a low impedance circuit,
the voltage applied to the capacitor should be half or one third of the rated voltage.
5) Redundancy
MnO2 tantalum capacitors will heat, and may cause fire and burn in the short circuit . This is determined by the
situation, time and other factors. When the circuit is designed, it is possible to provide the best possible space to
keep the tantalum capacitor reliability.
6) Test Condition
Ambient Temperature 25°C; Relative Humidity 60 to 70%; Air Pressure 800 to 1060mbar. Test and experiment, in
order to make the test results not problems, it is necessary to will test the product after fully discharge.
This product is a polar components, testing or when using it is strictly prohibited to will is negative pick back, in
order to avoid performance failure
7) Soldering
The SMD tantalum capacitor can be used for reflow soldering, which is not suitable for wave soldering and manual
welding. The reflow temperature are ≤260°C, ≤ 5 seconds. If you must use manual welding, should use the melted
solder to contact lead, and the electric soldering iron power should be less than or equal to 25W, temperature
should be less than 300℃, welding time should be less than 3 seconds, can not use electric iron contact the
product lead directly, and in particular, can not contact the product ontology directly.
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PART CODE:
CA42A025M225BA
DIP TANTALUM CAPACITORS CA42 SERIES CASE A
% Working Voltage
8) Recommended Voltage Derating Guidelines
Temperature °C
Condition
-55 °C ~ 85 °C
-55 °C ~ 125 °C
% Change in Working DC Voltage with Temperature
VR
66% of VR
Recommended Max. Application Voltage
50% of VR
33% of VR
PACKAGE
1000pcs are packed in polybag and inner box.
DISCLAIMER
NextGen Component, Inc. reserves the right to make changes to the product(s) and or information contained herein
without notice. No liability is assumed as a result of their use or application. No rights under any patent accompany
the sale of any such product(s) or information.
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