Lead type aluminum electrolytic capacitor KCM

Short Description:

Ultra-small size, high temperature resistance, high pressure resistance, long life, 3000H in 105℃ environment
Anti-lightning strike, low leakage current, high frequency and low resistance, large ripple resistance


Product Detail

List of Products Number

Product Tags

Main technical parameters

Item

characteristic

Operating

temperature range

-40~+105℃
Nominal voltage range 400-500V
Capacity tolerance ±20% (25±2℃ 120Hz)
Leakage current(uA) 400-500WV I≤0.015CV+10(uA) C: Nominal capacity (uF) V: Rated voltage (V) 2 minutes reading
Loss tangent

(25±2℃ 120Hz)

rated Voltage(V) 400 450

500

 
tgδ 0.15 0.18

0.20

Temperature

characteristics (120Hz)

rated Voltage(V)

400

450 500  
impedance ratio Z(-40℃)/Z(20℃)

7

9

9

Durability In a 105℃ oven, apply the rated voltage including the rated ripple current for the specified time, then place it at room temperature for 16 hours and then test. The test temperature is 25±2℃. The performance of the capacitor should meet the following requirements.
Capacity change rate Within ±20% of initial value  
Loss tangent Below 200% of the specified value
Leakage Current below the specified value
Load life ≤Φ 6.3 2000 Hrs
≥Φ8 3000Hrs
High temperature and humidity After storage for 1000 hours at 105°C, test at room temperature for 16 hours. The test temperature is 25±2°C. The performance of the capacitor should meet the following requirements.  
Capacity change rate Within ±20% of initial value  
Loss tangent Below 200% of the specified value
Leakage Current Below 200% of the specified value

Product Dimensional Drawing

Dimension (unit:mm)

D

5

6.3

8

10

12.5

16 18

d

0.5

0.5

0.6

0.6 0.6 0.8 0.8

F

2.0

2.5

3.5

5.0 5.0 7.5 7.5

a

L<20 a=±1.0                    L ≥20 a=±2.0

 

Ripple Current Frequency Correction Coefficient

Frequency(Hz)

50

120

1K

10K-50K

100K

coefficient

0.40

0.50

0.80

0.90

1.00

Aluminum Electrolytic Capacitors: Widely Used Electronic Components

Aluminum electrolytic capacitors are common electronic components in the field of electronics, and they have a wide range of applications in various circuits. As a type of capacitor, aluminum electrolytic capacitors can store and release charge, used for filtering, coupling, and energy storage functions. This article will introduce the working principle, applications, and pros and cons of aluminum electrolytic capacitors.

Working Principle

Aluminum electrolytic capacitors consist of two aluminum foil electrodes and an electrolyte. One aluminum foil is oxidized to become the anode, while the other aluminum foil serves as the cathode, with the electrolyte usually being in liquid or gel form. When a voltage is applied, ions in the electrolyte move between the positive and negative electrodes, forming an electric field, thereby storing charge. This allows aluminum electrolytic capacitors to act as energy storage devices or devices that respond to changing voltages in circuits.

Applications

Aluminum electrolytic capacitors have widespread applications in various electronic devices and circuits. They are commonly found in power systems, amplifiers, filters, DC-DC converters, motor drives, and other circuits. In power systems, aluminum electrolytic capacitors are typically used to smooth output voltage and reduce voltage fluctuations. In amplifiers, they are used for coupling and filtering to improve audio quality. Additionally, aluminum electrolytic capacitors can also be used as phase shifters, step response devices, and more in AC circuits.

Pros and Cons

Aluminum electrolytic capacitors have several advantages, such as relatively high capacitance, low cost, and a wide range of applications. However, they also have some limitations. Firstly, they are polarized devices and must be connected correctly to avoid damage. Secondly, their lifespan is relatively short and they may fail due to electrolyte drying out or leakage. Moreover, the performance of aluminum electrolytic capacitors may be limited in high-frequency applications, so other types of capacitors may need to be considered for specific applications.

Conclusion

In conclusion, aluminum electrolytic capacitors play an important role as common electronic components in the field of electronics. Their simple working principle and wide range of applications make them indispensable components in many electronic devices and circuits. Although aluminum electrolytic capacitors have some limitations, they are still an effective choice for many low-frequency circuits and applications, meeting the needs of most electronic systems.


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  • Products Number Operating temperature (℃) Voltage(V.DC) Capacitance(uF) Diameter(mm) Length(mm) Leakage current (uA) Rated ripple current [mA/r.m.s] ESR/ Impedance [Ωmax] Life (hrs) Certification
    KCMD1202G150MF -40~105 400 15 8 12 130 281 - 3000 ——
    KCMD1402G180MF -40~105 400 18 8 14 154 314 - 3000 ——
    KCMD1602G220MF -40~105 400 22 8 16 186 406 - 3000 ——
    KCMD1802G270MF -40~105 400 27 8 18 226 355 - 3000 ——
    KCMD2502G330MF -40~105 400 33 8 25 274 389 - 3000 ——
    KCME1602G330MF -40~105 400 33 10 16 274 475 - 3000 ——
    KCME1902G390MF -40~105 400 39 10 19 322 550 - 3000 ——
    KCML1602G390MF -40~105 400 39 12.5 16 322 562 - 3000 ——
    KCMS1702G470MF -40~105 400 47 13 17 386 668 - 3000 ——
    KCMS1902G560MF -40~105 400 56 13 19 458 825 - 3000 ——
    KCMD3002G390MF -40~105 400 39 8 30 244 440 2.5 3000 -
    KCMD3002G470MF -40~105 400 47 8 30 292 440 2.5 3000 -
    KCMD3502G470MF -40~105 400 47 8 35 292 450 2.5 3000 -
    KCMD3502G560MF -40~105 400 56 8 35 346 600 1.85 3000 -
    KCMD4002G560MF -40~105 400 56 8 40 346 500 2.5 3000 -
    KCME3002G680MF -40~105 400 68 10 30 418 750 1.55 3000 -
    KCMI1602G680MF -40~105 400 68 16 16 418 600 1.58 3000 -
    KCME3502G820MF -40~105 400 82 10 35 502 860 1.4 3000 -
    KCMI1802G820MF -40~105 400 82 16 18 502 950 1.4 3000 -
    KCMI2002G820MF -40~105 400 82 16 20 502 1000 1.4 3000 -
    KCMJ1602G820MF -40~105 400 82 18 16 502 970 1.4 3000 -
    KCME4002G101MF -40~105 400 100 10 40 610 700 1.98 3000 -
    KCML3002G101MF -40~105 400 100 12.5 30 610 1000 1.4 3000 -
    KCMI2002G101MF -40~105 400 100 16 20 610 1050 1.35 3000 -
    KCMJ1802G101MF -40~105 400 100 18 18 610 1080 1.35 3000 -
    KCME5002G121MF -40~105 400 120 10 50 730 1200 1.25 3000 -
    KCML3502G121MF -40~105 400 120 12.5 35 730 1150 1.25 3000 -
    KCMS3002G121MF -40~105 400 120 13 30 730 1250 1.25 3000 -
    KCMI2502G121MF -40~105 400 120 16 25 730 1200 1.2 3000 -
    KCMJ2002G121MF -40~105 400 120 18 20 730 1150 1.08 3000 -
    KCMI2502G151MF -40~105 400 150 16 25 910 1000 1 3000 -
    KCMI3002G151MF -40~105 400 150 16 30 910 1450 1.15 3000 -
    KCMJ2502G151MF -40~105 400 150 18 25 910 1450 1.15 3000 -
    KCMJ2502G181MF -40~105 400 180 18 25 1090 1350 0.9 3000 -
    KCM E4002W680MF -40~105 450 68 10 40 469 890 1.6 3000 -
    KCMJ1602W680MF -40~105 450 68 18 16 469 870 1.6 3000 -
    KCMI2002W820MF -40~105 450 82 16 20 563.5 1000 1.45 3000 -
    KCMJ2002W101MF -40~105 450 100 18 20 685 1180 1.38 3000 -
    KCMS5002W151MF -40~105 450 150 13 50 1022.5 1450 1.05 3000 -