APPLICATION NOTES FOR MULTILAYER

CERAMIC CAPACITORS

© KEMET Electronics Corporation, P.O. Box 5928, Greenville, S.C. 29606, (864) 963-6300

6

TABLE 1

EIA TEMPERATURE CHARACTERISTIC CODES

FOR CLASS I DIELECTRICS

Significant Figure

Multiplier Applied

Tolerance of

of Temperature

to Temperature

Temperature

Coefficient

Coefficient

Coefficient *

PPM per

Letter

Multi-

Number

PPM per

Letter

Degree C

Symbol

plier

Symbol

Degree C

Symbol

0.0

C

-1

0

±30

G

0.3

B

-10

1

±60

H

0.9

A

-100

2

±120

J

1.0

M

-1000

3

±250

K

1.5

P

-100000

4

±500

L

2.2

R

+1

5

±1000

M

3.3

S

+10

6

±2500

N

4.7

T

+100

7

7.5

U

+1000

8

+10000

9

* These symetrical tolerances apply to a two-point measurement of

temperature coefficient: one at 25°C and one at 85°C. Some deviation

is permitted at lower temperatures. For example, the PPM tolerance

for C0G at -55°C is +30 / -72 PPM.

TABLE 2

EIA TEMPERATURE CHARACTERISTIC CODES

FOR CLASS II & III DIELECTRICS

Low Temperature

High Temperature Maximum Capacitance

Rating

Rating

Shift

Degree

Letter

Degree

Number

Letter

Celcius

Symbol

Celcius

Symbol

Percent

Symbol

+10C

Z

+45C

2

±1.0%

A

-30C

Y

+65C

4

±1.5%

B

-55C

X

+85C

5

±2.2%

C

+105C

6

±3.3%

D

+125C

7

±4.7%

E

+150C

8

±7.5%

F

+200C

9

±10.0%

P

±15.0%

R

±22.0%

S

+22 / -33%

T

+22 / -56%

U

+22 / -82%

V

+10

+20

+30

+40

+50

+60

+70

+80