BX DIELECTRIC
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.
COMMERCIAL & HIGH RELIABILITY
CAPACITANCE & VOLTAGE SELECTION
3 digit code: two significant digits, followed by number of zeros eg: 473 = 47,000 pF
SIZE
Min Cap
0402
121
.024
562
472
182
681
221
•
•
•
•
0504
121
.044
393
333
183
682
182
681
•
•
•
0603
121
.035
273
223
123
472
122
391
•
•
•
0805
121
.054
104
104
473
183
562
182
122
681
391
1005
121
.054
124
124
683
183
822
272
122
681
471
1206
121
.064
274
274
124
473
153
472
332
182
102
1210
121
.065
474
474
274
104
273
103
562
332
222
1808
151
.065
564
564
274
104
333
103
682
392
222
1812
151
.065
105
105
564
184
563
223
123
562
392
1825
471
.080
185
155
125
394
104
563
393
183
123
2221
471
.080
155
125
125
334
823
473
333
183
103
2225
471
.080
225
185
155
474
124
683
473
223
153
M A X C A P & V O LT A G E
Tmax
16V
25V
50V
100V
200V
250V
300V
400V
500V
HOW TO ORDER
2225
SIZE
See
Chart
X
124
Picofarads
Two significant
figures,
followed by
number of
zeros:
103=10,000 pF
K
TOLERANCE
J= +/- 5%
K= +/- 10%
M= +/- 20%
302
Two significant
figures, followed
by number of
zeros:
302=3000V
N
N=Nickel Barrier
(100% Tin)
X
THICKNESS
OPTION
H
T
M
- HB
TESTING
OPTION
HB
=
MILPRF-55681
GROUP A
HK
=
MIL-PRF-38534
CLASS K
HS
=
MIL-PRF-123
GROUP A
DIELECTRIC CAPACITANCE
Value in
X = BX
VOLTAGE-VDCW TERMINATION
HIGH REL PACKING MARKING
TESTING OPTION OPTION
(Optional) T=Reeled M = Marked
Specify
See Marking
test
Specification
criteria if
required
X=Non-standard
thickness. Specify
P=Palladium Silver
in Mils if non-
standard is
Y=Nickel Barrier
required.
(90 Tin/10 Lead)
Standard items
are any thickness
to Max. shown in
charts.
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Catalog 09-08-PC
19
STANDARD SMT CHIP P/N BREAKDOWN
1206
N
472
J
101
N X050 H
T
M
- HB
Marking
Case Size
Dielectric Code
Code
N
B
X
Y
Z
S
D
E
F
G
W
P
R
M = Marked
None = Unmarked
Marking not available on
sizes 0603 and below
EIA
COG/NP0
X7R
BX
Y5V
Z5U
X8R
COG/NPO
Class II (Stable)
160°
160°
X5R
85°
200°
Class
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
Packaging
T= Tape and Reel
W = Waffle Pack
None = Bulk
High Reliability Testing
H = High Reliablity 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
Special Thickness
X in the part number denotes a special thick-
ness other than standard. Specify in mils if
required. (As shown above X=.050”)
If no X in the part number then thickness is
standard per Novacap catalog specifications.
Capacitance
1st two digits are significant, third digit denotes number
of zeros, R= decimal
Examples:
1R0 = 1.0 pF
120 = 12 pF
471 = 470 pF
102 = 1,000 pF
273 = .027 µF
474 = 0.47 µF
105 = 1.0 µF
Termination
N = Nickel Barrier (100% Tin) (RoHS)
P = Palladium Silver
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
NG = Nickel Gold
Capacitance Tolerance
Code
Cap Value < 10pF
COG
NPO
X7R
BX
Z5U
Y5V
X8R
150°C
D/F
E/G
W
X5R
B
C
D
F
G
J
K
M
Z
P
±0.10pF
±0.25pF
±0.50pF
± 1%
± 2%
± 5%
±10%
±20%
+80% -20%
+100%/-0%
Voltage
Examples:
160 = 16 Volts
101 = 100 Volts
501 = 500 Volts
102 = 1000 Volts
502 = 5000 Volts
103 = 10,000 Volts
This ordering information relates to NOVACAP’s standard surface mount capacitors. Please refer to the specific catalog pages for ordering
information for our application specific products; ie: Stacked, Leaded, Capacitor Arrays, Pulsed Power capacitors and other specialty products.
10
Catalog 09-08-PC
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CODES AND DIMENSIONS
PART NUMBER
PREFIX DEFINITIONS
LS = Y3 Certified Safety Capacitor
ES = Y2 Certified Safety Capacitor
AP = Arc Prevention Capacitor
CR = Cap-Rack Capacitor Array
RC = Bleed Resistor
RD = Ring Detect Capacitor
ST = Stacked Capacitor Assembly
SM = Hi-Rel Stacked Capacitor Assembly
pg. 38
pg. 39
pg. 54
pg. 42
pg. 34
pg. 40
pg. 54
pg. 54
CODE COMBINATIONS
Dielectric Code
N (COG/NPO)
B (X7R)
X (BX)
Y (Y5V)
Z (Z5U)
D (NPO-HIGH TEMP)
E (CLASS 11-HIGH TEMP)
F (NPO-HIGH TEMP)
G (CLASS 11-HIGH TEMP)
S (X8R)
Max. Temp.
Terminations (allowed)
Rated
125º
N, P, Y, S, V, NG
125º
125º
85º
85º
200º
200º
160º
160º
150º
85º
200º
85º
N, P, Y, C, D, S, V, NG
N, P, Y, C, D, S, V, NG
N, Y, C, D
N, Y, C, D
P, S, V
P, S, V
N, P, Y, S, V, C, D
N, P, Y, S, V, C, D
N, P, Y, S, V, C, D
P
P
N, Y, NG
- 43
- 37
- 55
- 55
L
T
P (PULSE POWER)
R (R2D)
W (X5R)
W
MB
SIZE
INCHES (MM)
DIMENSIONS
0402
0504
0603
0805
0907
1005
1206
1210
1515
1808
1812
1825
LENGTH L
.040 (1.02) .050 (1.27) .060 (1.52) .080 (2.03) .090 (2.29) .100 (2.54) .125 (3.18) .125 (3.18) .150 (3.81) .180 (4.57) .180 (4.57) .180 (4.57)
WIDTH W
.020 (.508) .040 (1.02) .030 (.762) .050 (1.27) .070 (1.78) .050 (1.27) .060 (1.52) .100 (2.54) .150 (3.81) .080 (2.03) .125 (3.18) .250 (6.35)
T MAX.
MB
LENGTH
WIDTH
MB
.024 (.610)
.010 (.254)
.004 (.102)
.004 (.102)
.006 (.152)
.044 (1.12) .035 (.889) .054 (1.37) .054 (1.37)
.014 (.356) .014 (.356) .020 (.508) .020 (.508)
.006 (.152) .006 (.152)
.006 (.152) .006 (.152)
.006 (.152) .006 (.152)
.054 (1.37) .064 (1.63)
.020 (.508) .020 (.508)
.065 (1.65) .130 (3.30) .065 (1.65) .065 (1.65) .080 (2.03)
.020 (.508) .030 (.762) .024 (.610) .024 (.610
)
.024 (.610)
.008 (.203) .015 (.381) .012 (.305) .012 (.305) .012 (.305)
.008 (.203) .015 (.381) .008 (.203) .008 (.203) .015 (.381)
.010 (.254) .015 (.381) .014 (.356) .014 (.356) .014 (.356)
TOLERANCE +/-
INCHES (MM)
.008 (.203) .008 (.203) .008 (.203) .008 (.203)
.008 (.203) .008 (.203) .008 (.203) .008 (.203)
.010 (.254) .010 (.254) .010 (.254) .010 (.254)
SIZE
DIMENSIONS
INCHES (MM)
2020
2221
2225
2520
3333
3530
4040
4540
5440
5550
6560
7565
LENGTH L
.200 (5.08)
WIDTH W
.200 (5.08)
T MAX.
MB
LENGTH
WIDTH
MB
.180 (4.57)
.024 (.610)
.220 (5.59) .220 (5.59)
.210 (5.33) .250 (6.35)
.080 (2.03) .080 (2.03)
.030 (.762) .030 (.762)
.250 (6.35) .330 (8.38) .350 (8.89)
.200 (5.08) .330 (8.38) .300 (7.62)
.180 (4.57) .250 (6.35) .250 (6.35)
.030 (.762) .030 (.762) .030 (.762)
.017 (.432) .018 (.457)
.017 (.432) .015 (.381)
.015 (.381) .015 (.381)
.400 (10.2) .450 (11.4) .540 (13.7) .550 (14.0) .650 (16.5) .750 (19.1)
.400 (10.2) .400 (10.2) .400 (10.2) .500 (12.7) .600 (15.2) .650 (16.5)
.300 (7.62) .300 (7.62) .300 (7.62) .300 (7.62) .300 (7.62) .300 (7.62)
.040 (1.02) .040 (1.02) .040 (1.02) .040 (1.02) .040 (1.02) .040 (1.02)
.020 (.508) .023 (.584) .027 (.686) .028 (.711) .033 (.838) .038 (.965)
.020 (.508) .020 (.508) .020 (.508) .025 (.635) .030 (.762) .033 (.838)
.020 (.508) .020 (.508) .020 (.508) .020 (.508) .020 (.508) .020 (.508)
TOLERANCE +/-
INCHES (MM)
.015 (.381) .015 (.381)
.015 (.381) .015 (.381)
.014 (.356) .015 (.381)
.015 (.381) .015 (.381)
.015 (.381) .015 (.381)
.015 (.381) .015 (.381)
.
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Catalog 09-08-PC
11
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