TCA1A106M8R 데이터 시트보기 (PDF) - ROHM Semiconductor

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TCA1A106M8R

Chip tantalum capacitors with open-function built-in

ROHM Semiconductor 

Tantalum capacitors

Inrush current

Beware of inrush current.

Inrush currents are inversely proportional to ESR. Large inrush currents can cause component failure.

100

10

1

0.1

0.1

33µF

33µF

15µF

4.7µF

100µF

4.7µF

47µF

22µF

Tantalum capacitor

Aluminum electrolyte

Vpp = 10V limit = 20A

Pulse Width = 500µsec.

Power OP Amp Slew Rate = 10V / 6µs

1

ESRΩ (100kHz)

10

100

Fig.16 Maximum inrush current and ESR

Inrush current can be limited by means of a protective resistor.

100

10

R

C

I

=

V

0.476

R = 0Ω

SAMPLE 16V-3.3µF NEC

Pulse width = 500µsec

Slew rate = 10V-6µc

Current limit = 20A

0.25

0.5

1.0

2.0

5.0

1

I

=

V

0.476

+

R

TCFG series

0.1

0.1

1

10

100

V (V)

Fig.17 Imax change due to protective resistor R

(11) Ultrasonic cleaning

Carry out cleaning under the mildest conditions possible. The internal element of a tantalum capacitor are larger than

those of a transistor or diode, so it is not as resistant to ultrasonic waves.

Example : water

Propagation speed

Solvent density

1500m / s

1g / cm3

Frequency and wavelength

Frequency Wavelength

20kHz

7.5cm

28kHz

5.3cm

50kHz

3.0cm

Precautions

14/15

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