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MIL-PRF-123 Capacitors, Fixed, Ceramic Dielectric, \(Temperature Stable And General Purpose\), High Reliability, General Specification ForThis specification covers the general requirements for high reliability, general purpose \(BX and BR\) and temperature stable \(BP and BG\) ceramic dielectric fixed capacitors, leaded and nonleaded for space, missile, and other high reliability applications. Capacitors covered by this specification may be used in critical frequency determining applications, timing circuits, and other applications where absolute stability is required \(BP and BG\), and in applications where appreciable variations in capacitance with respect to temperature, voltage, frequency, and life can be tolerated \(BX and BR\). Life tests in this specification are performed at two times rated voltage at maximum rated temperature, and an assumed acceleration factor of 8:1 is used to relate life test data obtained at two times rated voltage to performance at rated voltage.

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MIL-PRF-123D
TABLE VII. Marking for small nonleaded capacitors.
Capacitance (pF) and multiplier
Character
Significant
units
Orange
Black
Green
Blue
Violet
Red
(x 0.1)
(x 1.0)
(x 10)
(x 100)
(x 1000)
(x 10,000)
A
10
1.0
10
100
1000
10,000
100,000
B
11
1.1
11
110
1100
11,000
110,000
C
12
1.2
12
120
1200
12,000
120,000
D
13
1.3
13
130
1300
13,000
130,000
E
15
1.5
15
150
1500
15,000
150,000
H
16
1.6
16
160
1600
16,000
160,000
I
18
1.8
18
180
1800
18,000
180,000
J
20
2.0
20
200
2000
20,000
200,000
K
22
2.2
22
220
2200
22,000
220,000
L
24
2.4
24
240
2400
24,000
240,000
N
27
2.7
27
270
2700
27,000
270,000
O
30
3.0
30
300
3000
30,000
300,000
R
33
3.3
33
330
3300
33,000
330,000
S
36
3.6
36
360
3600
36,000
360,000
T
39
3.9
39
390
3900
39,000
390,000
V
43
4.3
43
430
4300
43,000
430,000
W
47
4.7
47
470
4700
47,000
470,000
X
51
5.1
51
510
5100
51,000
510,000
Y
56
5.6
56
560
5600
56,000
560,000
Z
62
6.2
62
620
6200
62,000
620,000
3
68
6.8
68
680
6800
68,000
680,000
4
75
7.5
75
750
7500
75,000
750,000
7
82
8.2
82
820
8200
82,000
820,000
9
91
9.1
91
910
9100
91,000
910,000
TABLE VIII Optional marking for chip capacitors.
First character
Second character
Alphabetic
Significant
Alphabetic
Significant
Numerical
Decimal
character
figures
character
figures
character
multiplier
0
A
1.0
T
5.1
0
10
1
B
1.1
U
5.6
1
10
2
C
1.2
V
6.2
2
10
3
D
1.3
W
6.8
3
10
4
E
1.5
X
7.5
4
10
5
F
1.6
Y
8.2
5
10
6
G
1.8
Z
9.1
6
10
7
H
2.0
a
2.5
7
10
8
J
2.2
b
3.5
8
10
9
K
2.4
d
4.0
9
10
L
2.7
e
4.5
M
3.0
f
5.0
N
3.3
m
6.0
P
3.6
n
7.0
Q
3.9
t
8.0
R
4.3
y
9.0
S
4.7
14



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