L
OW
I
NDUCTANCE
C
HIP
C
APACITORS
These MLC capacitors are specially designed to lower
inductance by altering the aspect ratio of the termination
in conjunction with improved conductivity of the electrodes.
This inherent low ESL and ESR design improves the
capacitor circuit performance by lowering the current
change noise pulse and voltage drop. The system will
benefit by lower power consumption, increased efficiency,
and higher operating speeds.
F
EATURES
• Low ESL
• High Resonant Frequency
• Low ESR
• Small Size
A
PPLICATIONS
• High Speed Microprocessors
• AC Noise Reduction in multi-chip modules (MCM)
• High speed digital equipment
B15 / 0508
Inches
L
W
T
E/B
.050 ±.010
.080 ±.010
.050 Max.
.010 ±.005
(mm)
(1.27 ±.25)
(2.03 ±.25)
(1.27)
(0.25±.13)
50 V
25 V
NPO
DIELECTRIC
16 V
50 V
25 V
16 V
B18 / 0612
Inches
L
W
T
E/B
.062 ±.010
.125 ±.010
.060 Max.
.010 ±.005
(mm)
(1.57 ±.25)
(3.17 ±.25)
(1.52)
(0.25±.13)
Dielectric specifications are listed on page 28 & 29.
H
OW TO
O
RDER
L
OW
I
NDUCTANCE
500
VOLTAGE
160 = 16 V
250 = 25 V
500 = 50 V
B18
CASE SIZE
B15 = 0508
B18 = 0612
W
DIELECTRIC
N = NPO
W = X7R
Z = Z5U
P/N written: 500B18W473KV4E
24
150
pF
180
pF
220
pF
330
pF
470
pF
100
0p
F
120
0p
F
220
0p
F
330
0p
F
470
0p
F
.01
0µ
F
.01
2µ
F
.02
2µ
F
.03
3µ
F
.04
7µ
F
0.1
0µ
F
0.1
2µ
F
0.2
2µ
F
0.3
3µ
F
0.4
7µ
F
1.0
0µ
F
X7R
Z5U
C
APACITANCE
S
ELECTION
473
CAPACITANCE
1st two digits are
significant; third digit
denotes number of
zeros.
474 = 0.47 µF
105 = 1.00 µF
J
K
M
Z
K
TOLERANCE
= ± 5%
= ± 10%
= ± 20%
= +80% -20%
V
TERMINATION
V = Nickel Barrier
MARKING
4 = Unmarked
4
E
TAPE MODIFIER
Code Type Reel
E
Plastic 7"
U
Plastic 13"
T
Paper 7"
R
Paper 13"
Tape specs. per EIA RS481
www.johanson dielectrics.com
L
OW
I
NDUCTANCE
C
HIP
C
APACITORS
T
YPICAL
P
ERFORMANCE
IMPEDANCE 0508 vs. 0805
100
0508 0.1µF X7R
0805 0.1µF X7R
10
Impedance (Ω)
Impedance (Ω)
10
100
0612 0.1µF X7R
0612 0.1µF X7R
IMPEDANCE 0612 vs. 1206
1
1
0.1
0.1
0.01
1
10
100
Frequency (MHz)
1000
10000
0.01
1
10
100
Frequency (MHz)
1000
10000
IMPEDANCE AND ESR 0612 0.1µF X7R
1000
100
IMPEDANCE AND ESR 0612 0.1µF X7R
IMP
ESR
100
Capacitance (µF)
Impedance (Ω)
ESR (Ω)
Impedance (Ω)
1
10
100
Frequency (MHz)
1000
10000
10
10
1
1
0.1
0.1
0.01
0.01
0.1
1
10
100
Frequency (MHz)
1000
10000
SERIES RESONANT FREQUENCY 0508 vs. 0805
1000
B15W
R15W
1000
0508 X7R SERIES RESONANT FREQUENCY
B15W
R15W
Frequency (MHz)
100
Frequency (MHz)
10000
Capacitance (µF)
100000
100
10
1000
10
1000
10000
Capacitance (µF)
100000
www.johanson dielectrics.com
25
PCB设计
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