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

S6012_FM • 10/5/2016

Supercapacitors – FM Series

Measurement Conditions cont’d

Capacitance (Discharge System)

Asshowninthediagrambelow,chargingisperformedforadurationof30minutesoncethevoltageofthecapacitor

terminal reaches 5.5 V. Then, use a constant current load device and measure the time for the terminal voltage to drop

from3.0to2.5Vupondischargeat0.22mAper0.22F,forexample,andcalculatethestaticcapacitanceaccordingtothe

equationshownbelow.

Note: The current value is 1 mA discharged per 1 F.

Capacitance (Discharge System – 3.5 V)

Asshowninthediagrambelow,chargingisperformedforadurationof30minutesoncethevoltageofthecapacitor

terminal reaches 3.5 V. Then, use a constant current load device and measure the time for the terminal voltage to drop from

1.8to1.5Vupondischargeat1.0mAper1.0F,forexample,andcalculatethestaticcapacitanceaccordingtotheequation

shownbelow.

Capacitance (Discharge System – HV Series)

Asshowninthediagrambelow,chargingisperformedforadurationof30minutesoncethevoltageofthecapacitor

terminal reaches maximum operating voltage. Then, use a constant current load device and measure the time for the

terminalvoltagetodropfrom2.0to1.5Vupondischargeat1.0mAper1.0F,andcalculatethestaticcapacitanceaccording

totheequationshownbelow.

36 Super Capacitors Vol.13

9. Measurement Conditions

Swich

C

+

–

3.5 V

5.0 (V) … Product with maximum operating voltage

5.5 V

6.0 (V) … Product with maximum operating voltage

6.5 V

10.0 (V) … Product with maximum operating voltage

11 V

12.0 (V) … Product with maximum operating voltage

12 V

τ: Time from start of charging until Vc becomes

Capacitance: C =

(F)

(9)

τ

Capacitance (Discharge System)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the condensor terminal

reaches 5.5 V.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 3.0 to 2.5 V upon

discharge at 0.22 mA for 0.22 F, for example, and calculate the static capacitance according to the equation shown below.

Note: The current value is 1 mA discharged per 1F.

A

V

C

R

5.5V

SW 0.22mA(I)

30 min.

T1

T2

5.5V

Duration (sec.)

Table 3 Capacitance measurement

Capactance：C＝

(F)

(1) Capacitance ( Charge System )

Capacitance is calculated from expression (9) by measuring the charge time constant (τ) of the capacitor (C). Prior to

measurement, short between both pins of the capacitor for 30 minutes or more to let it discharge. In addition, follow the indication

of the product when determining the polarity of the capacitor during charging.

FA

FE

FS

FY

FR

FM, FME

FMR, FML

FMC

FG

FGR

FGH

FT

FC,

FCS

FYD

FYH

FYL

0.010F

–

–

–

–

–

5000 Ω

–

5000 Ω

–

5000 Ω

–

–

–

0.022F

1000 Ω

–

1000 Ω 2000 Ω 2000 Ω 2000 Ω 2000 Ω

2000 Ω

–

2000 Ω

–

–

Discharge

0.033F

–

–

–

–

–

–

–

Discharge

–

–

–

–

–

0.047F

1000 Ω 1000 Ω 1000 Ω 2000 Ω 1000 Ω 2000 Ω 1000 Ω

2000 Ω

1000 Ω 2000 Ω

–

–

–

0.10F

510 Ω 510 Ω 510 Ω 1000 Ω 510 Ω

–

1000 Ω

1000 Ω

1000 Ω 1000 Ω Discharge 510 Ω Discharge

0.22F

200 Ω 200 Ω 200 Ω 510 Ω 510 Ω

–

510 Ω 0H: Discharge

0V: 1000 Ω

–

1000 Ω Discharge 200 Ω Discharge

0.33F

–

–

–

–

–

–

–

–

Discharge

–

–

–

–

0.47F

100 Ω 100 Ω 100 Ω 200 Ω 200 Ω

–

200 Ω

–

–

1000 Ω Discharge 100 Ω Discharge

1.0F

51 Ω

51 Ω

100 Ω 100 Ω 100 Ω

–

100 Ω

–

–

510 Ω Discharge 100 Ω Discharge

1.4F

–

–

–

200 Ω

–

–

–

–

–

–

–

–

–

1.5F

–

51 Ω

–

–

–

–

–

–

–

510 Ω

–

–

–

2.2F

–

–

–

100 Ω

–

–

–

–

–

200 Ω

–

51 Ω

–

3.3F

–

–

–

–

–

–

–

–

–

–

–

51 Ω

–

4.7F

–

–

–

–

–

–

–

–

–

100 Ω

–

–

–

5.0F

–

–

100 Ω

–

–

–

–

–

–

–

–

–

–

5.6F

–

–

–

–

–

–

–

–

–

–

–

20 Ω

–

*Capacitance values according to the constant current discharge method.

*HV series capacitance is measured by discharge system.

Super Capacitors Vol.13 37

Capacitance (Discharge System:3.5V)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the capacitor terminal reaches 3.5V.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 1.8 to 1.5V upon

discharge at 1 mA per 1F, and calculate the static capacitance according to the equation shown below.

Capacitance (Discharge System:HVseries)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the capacitor terminal reaches

Max. operating voltage.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 2.0 to 1.5V upon discharge

at 1 mA per 1F, and calculate the static capacitance according to the equation shown below.

Equivalent series resistance (ESR)

ESR shall be calculated from the equation below.

Current (at 30 minutes after charging)

Current shall be calculated from the equation below.

Prior to measurement, both lead terminals must be short-circuited for a minimum of 30 minutes.

The lead terminal connected to the metal can case is connected to the negative side of the power supply.

Eo：2.5Vdc (HVseries 50F)

2.7Vdc (HVseries except 50F)

3.0Vdc (3.5V type)

5.0Vdc (5.5V type)

Rc：1000Ω (0.010F, 0.022F, 0.047F)

100Ω (0.10F, 0.22F, 0.47F)

10Ω (1.0F, 1.5F, 2.2F, 4.7F)

2.2Ω (HVseries)

Self-discharge characteristic (0H: 5.5V products)

The self-discharge characteristic is measured by charging a voltage of 5.0 Vdc (charge protection resistance: 0Ω) according

to the capacitor polarity for 24 hours, then releasing between the pins for 24 hours and measuring the pin-to-pin voltage.

The test should be carried out in an environment with an ambient temperature of 25℃ or below and relative humidity of 70%

RH or below.

A

V

C

R

3.5V

SW

30 minutes

3.5V

(V)

Time (sec.)

A

V

C

R

3.5V

SW

3.5V

(V)

Time (sec.)

30 minutes

C＝

(F)

C＝

(F)

Current＝

(A)

ESR＝

(Ω)

0.01

C

10mA

f:1kHz

C

SW

＋

－

Super Capacitors Vol.13 37

Capacitance (Discharge System:3.5V)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the capacitor terminal reaches 3.5V.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 1.8 to 1.5V upon

discharge at 1 mA per 1F, and calculate the static capacitance according to the equation shown below.

Capacitance (Discharge System:HVseries)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the capacitor terminal reaches

Max. operating voltage.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 2.0 to 1.5V upon discharge

at 1 mA per 1F, and calculate the static capacitance according to the equation shown below.

Equivalent series resistance (ESR)

ESR shall be calculated from the equation below.

Current (at 30 minutes after charging)

Current shall be calculated from the equation below.

Prior to measurement, both lead terminals must be short-circuited for a minimum of 30 minutes.

The lead terminal connected to the metal can case is connected to the negative side of the power supply.

Eo：2.5Vdc (HVseries 50F)

2.7Vdc (HVseries except 50F)

3.0Vdc (3.5V type)

5.0Vdc (5.5V type)

Rc：1000Ω (0.010F, 0.022F, 0.047F)

100Ω (0.10F, 0.22F, 0.47F)

10Ω (1.0F, 1.5F, 2.2F, 4.7F)

2.2Ω (HVseries)

Self-discharge characteristic (0H: 5.5V products)

The self-discharge characteristic is measured by charging a voltage of 5.0 Vdc (charge protection resistance: 0Ω) according

to the capacitor polarity for 24 hours, then releasing between the pins for 24 hours and measuring the pin-to-pin voltage.

The test should be carried out in an environment with an ambient temperature of 25℃ or below and relative humidity of 70%

RH or below.

A

V

C

R

3.5V

SW

30 minutes

3.5V

(V)

Time (sec.)

A

V

C

R

3.5V

SW

3.5V

(V)

Time (sec.)

30 minutes

C＝

(F)

C＝

(F)

Current＝

(A)

ESR＝

(Ω)

0.01

C

10mA

f:1kHz

C

SW

＋

－

Super Capacitors Vol.13 37

Capacitance (Discharge System:3.5V)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the capacitor terminal reaches 3.5V.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 1.8 to 1.5V upon

discharge at 1 mA per 1F, and calculate the static capacitance according to the equation shown below.

Capacitance (Discharge System:HVseries)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the capacitor terminal reaches

Max. operating voltage.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 2.0 to 1.5V upon discharge

at 1 mA per 1F, and calculate the static capacitance according to the equation shown below.

Equivalent series resistance (ESR)

ESR shall be calculated from the equation below.

Current (at 30 minutes after charging)

Current shall be calculated from the equation below.

Prior to measurement, both lead terminals must be short-circuited for a minimum of 30 minutes.

The lead terminal connected to the metal can case is connected to the negative side of the power supply.

Eo：2.5Vdc (HVseries 50F)

2.7Vdc (HVseries except 50F)

3.0Vdc (3.5V type)

5.0Vdc (5.5V type)

Rc：1000Ω (0.010F, 0.022F, 0.047F)

100Ω (0.10F, 0.22F, 0.47F)

10Ω (1.0F, 1.5F, 2.2F, 4.7F)

2.2Ω (HVseries)

Self-discharge characteristic (0H: 5.5V products)

The self-discharge characteristic is measured by charging a voltage of 5.0 Vdc (charge protection resistance: 0Ω) according

to the capacitor polarity for 24 hours, then releasing between the pins for 24 hours and measuring the pin-to-pin voltage.

The test should be carried out in an environment with an ambient temperature of 25℃ or below and relative humidity of 70%

RH or below.

A

V

C

R

3.5V

SW

30 minutes

3.5V

(V)

Time (sec.)

A

V

C

R

3.5V

SW

3.5V

(V)

Time (sec.)

30 minutes

C＝

(F)

C＝

(F)

Current＝

(A)

ESR＝

(Ω)

0.01

C

10mA

f:1kHz

C

SW

＋

－

Super Capacitors Vol.13 37

Capacitance (Discharge System:3.5V)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the capacitor terminal reaches 3.5V.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 1.8 to 1.5V upon

discharge at 1 mA per 1F, and calculate the static capacitance according to the equation shown below.

Capacitance (Discharge System:HVseries)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the capacitor terminal reaches

Max. operating voltage.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 2.0 to 1.5V upon discharge

at 1 mA per 1F, and calculate the static capacitance according to the equation shown below.

Equivalent series resistance (ESR)

ESR shall be calculated from the equation below.

Current (at 30 minutes after charging)

Current shall be calculated from the equation below.

Prior to measurement, both lead terminals must be short-circuited for a minimum of 30 minutes.

The lead terminal connected to the metal can case is connected to the negative side of the power supply.

Eo：2.5Vdc (HVseries 50F)

2.7Vdc (HVseries except 50F)

3.0Vdc (3.5V type)

5.0Vdc (5.5V type)

Rc：1000Ω (0.010F, 0.022F, 0.047F)

100Ω (0.10F, 0.22F, 0.47F)

10Ω (1.0F, 1.5F, 2.2F, 4.7F)

2.2Ω (HVseries)

Self-discharge characteristic (0H: 5.5V products)

The self-discharge characteristic is measured by charging a voltage of 5.0 Vdc (charge protection resistance: 0Ω) according

to the capacitor polarity for 24 hours, then releasing between the pins for 24 hours and measuring the pin-to-pin voltage.

The test should be carried out in an environment with an ambient temperature of 25℃ or below and relative humidity of 70%

RH or below.

A

V

C

R

3.5V

SW

30 minutes

3.5V

(V)

Time (sec.)

A

V

C

R

3.5V

SW

3.5V

(V)

Time (sec.)

30 minutes

C＝

(F)

C＝

(F)

Current＝

(A)

ESR＝

(Ω)

0.01

C

10mA

f:1kHz

C

SW

＋

－

Super Capacitors Vol.13 37

Capacitance (Discharge System:3.5V)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the capacitor terminal reaches 3.5V.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 1.8 to 1.5V upon

discharge at 1 mA per 1F, and calculate the static capacitance according to the equation shown below.

Capacitance (Discharge System:HVseries)

In the diagram below, charging is performed for a duration of 30 minutes, once the voltage of the capacitor terminal reaches

Max. operating voltage.

Then, use a constant current load device and measure the time for the terminal voltage to drop from 2.0 to 1.5V upon discharge

at 1 mA per 1F, and calculate the static capacitance according to the equation shown below.

Equivalent series resistance (ESR)

ESR shall be calculated from the equation below.

Current (at 30 minutes after charging)

Current shall be calculated from the equation below.

Prior to measurement, both lead terminals must be short-circuited for a minimum of 30 minutes.

The lead terminal connected to the metal can case is connected to the negative side of the power supply.

Eo：2.5Vdc (HVseries 50F)

2.7Vdc (HVseries except 50F)

3.0Vdc (3.5V type)

5.0Vdc (5.5V type)

Rc：1000Ω (0.010F, 0.022F, 0.047F)

100Ω (0.10F, 0.22F, 0.47F)

10Ω (1.0F, 1.5F, 2.2F, 4.7F)

2.2Ω (HVseries)

Self-discharge characteristic (0H: 5.5V products)

The self-discharge characteristic is measured by charging a voltage of 5.0 Vdc (charge protection resistance: 0Ω) according

to the capacitor polarity for 24 hours, then releasing between the pins for 24 hours and measuring the pin-to-pin voltage.

The test should be carried out in an environment with an ambient temperature of 25℃ or below and relative humidity of 70%

RH or below.

A

V

C

R

3.5V

SW

30 minutes

3.5V

(V)

Time (sec.)

A

V

C

R

3.5V

SW

3.5V

(V)

Time (sec.)

30 minutes

C＝

(F)

C＝

(F)

Current＝

(A)

ESR＝

(Ω)

0.01

C

10mA

f:1kHz

C

SW

＋

－