BX DIELECTRIC
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N
N
NN
O
O
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V
V
VV
A
A
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C
C
CC
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1199
Catalog 09-08-PC
BX characteristics are identical to X7R dielectric, with the added restriction that
the Temperature-Voltage Coefficient (TVC) is not to exceed -25% ∆C at rated
voltage, over the operating temperature range (-55°C to 125°C). NOVACAP
manufactures chips using dielectrics with minimal voltage coefficient and layer thick-
ness designed to meet BX requirements.
M A X C A P & V O LT A G E
SIZE 0402 0504 0603 0805 1005 1206 1210 1808 1812 1825 2221 2225
Min Cap 121 121 121 121 121 121 121 151 151 471 471 471
474
474
274
104
273
103
562
332
222
564
564
274
104
333
103
682
392
222
273
223
123
472
122
391
•
•
•
562
472
182
681
221
•
•
•
•
16V
25V
50V
100V
200V
250V
300V
400V
500V
393
333
183
682
182
681
•
•
•
104
104
473
183
562
182
122
681
391
124
124
683
183
822
272
122
681
471
274
274
124
473
153
472
332
182
102
105
105
564
184
563
223
123
562
392
185
155
125
394
104
563
393
183
123
225
185
155
474
124
683
473
223
153
155
125
125
334
823
473
333
183
103
3 digit code: two significant digits, followed by number of zeros eg: 473 = 47,000 pF
CAPACITANCE & VOLTAGE SELECTION
COMMERCIAL & HIGH RELIABILITY
HOW TO ORDER
DIELECTRIC
X = BX
SIZE
See
Chart
CAPACITANCE
Value in
Picofarads
Two significant
figures,
followed by
number of
zeros:
103=10,000 pF
VOLTAGE-VDCW
Two significant
figures, followed
by number of
zeros:
302=3000V
TERMINATION
N=Nickel Barrier
(100% Tin)
P=Palladium Silver
Y=Nickel Barrier
(90 Tin/10 Lead)
THICKNESS
OPTION
X=Non-standard
thickness. Specify
in Mils if non-
standard is
required.
Standard items
are any thickness
to Max. shown in
charts.
HIGH REL
TESTING
(Optional)
Specify
test
criteria if
required
MARKING
OPTION
M = Marked
See Marking
Specification
PACKING
OPTION
T=Reeled
TOLERANCE
J= +/- 5%
K= +/- 10%
M= +/- 20%
2225 X 124 K 302 N X H T M - HB
TTmmaaxx ..002244 ..004444 ..003355 ..005544..005544 ..006644 ..006655 ..006655 ..006655 ..008800 ..008800 ..008800
TESTING
OPTION
HB =
MILPRF-55681
GROUP A
HK =
MIL-PRF-38534
CLASS K
HS =
MIL-PRF-123
GROUP A
STANDARD SMT CHIP P/N BREAKDOWN
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1100Catalog 11-08-PC
COG X7R BX Z5U X8R D/F E/G W
NPO Y5V 150°C X5R
Ultra Stable
Stable
MIL
General Purpose
General Purpose
High Temp up to 150ºC
High Temp up to 200°C
High Temp up to 200°C
High Temp up to 160ºC
High Temp up to 160ºC
Stable
Pulse Power
Pulse Energy
COG/NP0
X7R
BX
Y5V
Z5U
X8R
COG/NPO
Class II (Stable)
160°
160°
X5R
85°
200°
N
B
X
Y
Z
S
D
E
F
G
W
P
R
Case Size
Voltage
Termination
Special Thickness
Packaging
High Reliability Testing
Dielectric Code
Capacitance
Capacitance Tolerance
CCooddeeEEIIAACCllaassss
Examples:
160 = 16 Volts 102 = 1000 Volts
101 = 100 Volts 502 = 5000 Volts
501 = 500 Volts 103 = 10,000 Volts
1st two digits are significant, third digit denotes number
of zeros, R= decimal
Examples:
1R0 = 1.0 pF 273 = .027 µF
120 = 12 pF 474 = 0.47 µF
471 = 470 pF 105 = 1.0 µF
102 = 1,000 pF
BB
CC
DD
FF
GG
JJ
KK
MM
ZZ
PP
±0.10pF
±0.25pF
±0.50pF
± 1%
± 2%
± 5%
±10%
±20%
+80% -20%
+100%/-0%
CCooddee
Cap Value < 10pF
N = Nickel Barrier (100% Tin) (RoHS)
P = Palladium Silver
PR = Palladium Silver (RoHS)
Y = Nickel Barrier (90%Tin/10%Lead)
S = Silver
C = Polymer with Nickel Barrier (100% Tin) (RoHS)
D = Polymer with Nickel Barrier (90%Tin/10%Lead)
V = Non-Solderable Silver (RoHS)
NG = Nickel Gold
T= Tape and Reel
W = Waffle Pack
None = Bulk
H = High Reliability Testing Required
None = Standard SMT, no High-Rel
HB = MIL-PRF-55681 Group A
HK = MIL-PRF-38534 Class K
HS = MIL-PRF-123 Group A
Marking
M = Marked
None = Unmarked
Marking not available on
sizes 0603 and below
XXin the part number denotes a special thick-
ness other than standard. Specify in mils if
required. (As shown above X=.050”)
If no XXin the part number then thickness is
standard per Novacap catalog specifications.
1206 N 472 J 101 N X050 H T M - HB
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