Datasheet

10© KEMET Electronics Corporation • KEMET Tower • One East Broward Boulevard T2020_A700 • 11/25/2019
Fort Lauderdale, FL 33301 USA • 954-766-2800 • www.kemet.com
10
Aluminum Organic Capacitor (AO-CAP)
A700 Polymer Aluminum, 2 – 25 VDC
Derating Guidelines
Voltage Rating
Maximum
Recommended
Steady State
Voltage
Maximum
Recommended
Transient Voltage
(1 ms – 1 µs)
−55°Cto125°C
2 – 25 V V
R
V
R
V
R
= Rated Voltage
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specied
for reverse voltage. See the Reverse Voltage section for allowable limits
Powercapabilityisdeterminedbasedona20°Ctemperaturerise.Ahighertemperatureriseandthereforehigherpower
capabilityisallowableaslongastheambienttemperatureplustemperatureriseduetoripplecurrentdoesnotexceedthe
rated temperature of the part.
Themaximumpowerdissipationbycasesizecanbedeterminedusingthebelowtable.
KEMET Series
and Case Code
EIA
Case Code
Maximum Power
Dissipation (Pmax)
mWatts at 25°C
with +20°C Rise
A700W
7343-15
290
A700V
7343-20
270
A700D
7343-31
250
A700X
7343-43
225
UsingthePmaxofthedevice,themaximumallowablermsripplecurrentorvoltagemaybedetermined.
I(max) = √Pmax/R
E(max) = Z √Pmax/R
I = rms ripple current (amperes)
E = rms ripple voltage (volts)
Pmax = maximum power dissipation(watts)
R = ESR at specied frequency (ohms)
Z = Impedance at specied frequency (Ohms)
Refer to part number listings for permittable Arms limits.