T591B336M006ATE080 查看數據表（PDF） - KEMET

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T591B336M006ATE080

T591/T598 High Humidity/High Temperature Automotive Grade Polymer Electrolytic, 2.5 – 50 VDC

KEMET 

KEMET Organic Capacitor (KO-CAP®) – Automotive Grade

T591/T598 High Humidity/High Temperature Automotive Grade Polymer Electrolytic, 2.5 – 50 VDC

Ripple Current/Ripple Voltage

Permissible AC ripple voltage and current are related to

equivalent series resistance (ESR) and the power dissipation

capabilities of the device. Permissible AC ripple voltage

which may be applied is limited by two criteria:

1. The positive peak AC voltage plus the DC bias voltage,

if any, must not exceed the DC voltage rating of the

capacitor.

2. The negative peak AC voltage in combination with

bias voltage, if any, must not exceed the allowable limits

specified for reverse voltage. See the Reverse Voltage

section for allowable limits.

The maximum power dissipation by case size can be

determined using the table at right. The maximum power

dissipation rating stated in the table must be reduced

with increasing environmental operating temperatures.

Refer to the table below for temperature compensation

requirements.

Case Code

B

D

V

EIA

Case Code

3528-21

7343-31

7343-20

Maximum Power

Dissipation (P max)

mWatts at 45°C

with +30°C Rise

127

225

187

Using the P max of the device, the maximum allowable rms

ripple current or voltage may be determined.

I(max) = √P max/R

E(max) = Z √P max/R

I = rms ripple current (amperes)

E = rms ripple voltage (volts)

P max = maximum power dissipation (watts)

R = ESR at specified frequency (ohms)

Z = Impedance at specified frequency (ohms)

Temperature Compensation Multipliers

for Maximum Ripple Current

T ≤ 45°C

45°C < T ≤ 85°C

85°C < T ≤ 125°C

1.00

0.70

0.25

T= Environmental Temperature

The maximum power dissipation rating must be reduced with increasing

environmental operating temperatures. Refer to the Temperature

Compensation Multiplier table for details.

© KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • 864-963-6300 • www.kemet.com

T2073_T591_T598 • 6/5/2017 9

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