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Teilenummer | GMC55xxxx |
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Beschreibung | (GMC Series) Multilayer Ceramic Chip Capacitors | |
Hersteller | Cal - Chip Electronics | |
Logo | ||
Gesamt 22 Seiten Cal-Chip Electronics, Incorporated
Multilayer Ceramic Chip Capacitors
GMC SERIES
Introduction
Multilayer Surface Mount Ceramic Capacitors are constructed by screen printing alternative layers of internal metallic
electrodes onto ceramic dielectric materials and firing into a concrete monolithic body, then completed by application of
metal end terminations which are fired to assure permanent bonding with the individual internal electrodes.
Multilayer ceramic capacitors have various features such as large capacitance values in small sizes and excellent high
frequency characteristics.
Moreover, chip capacitors can be used on surface mount assembly equipment. Our fully integrated manufacturing and
total quality control systems ensure unprecedented high standards of quality and reliability.
Chip Capacitor Selection
Selection of the most suitable capacitor for any application is based on the following:
omDielectric Type
The choice of dielectric is largely determined by the temperature stability required.
.cCOG (NPO)
UCapacitance change with temperature is 0-30ppm/°C which is less than -0.3%°C from -55°C to +125°C. Typical capacitance
change with life is less than -0.1% for NPOs, one-fifth that shown by most other dielectrics. NPO formulations show no aging
t4characteristics.
X7R/X5R
eIts temperature variation of capacitance is within ±15% from -55°C to +125°C (-55°C to +85°C for X5R). The capacitance change is
enon-linear.
Z5U
hDespite their capacitance instability, Z5U formulations are very popular because of their small size, temperature range low
SESL, low ESR and excellent frequency response. These features are particularly important for decoupling application where
only a minimum capacitance value is required.
taY5V
aY5V formulations are for general purpose use in a limited temperature range. They have a wide temperature characteristic
of +22% - 82% capacitance change over the operating temperature range of -30°C to +85°C. Y5Vs high dielectric constant
allows the manufacture of very high capacitance values (up to 22MF) in small physical sizes.
.DCapacitance Value & Tolerance
wDetermined by circuit requirements. Note that chip prices decrease with lower capacitance value and looser tolerance.
Voltage
wDetermined by circuit requirements. Units are designed to exceed the withstanding voltage specification, i.e., the user need
w mnot incorporate an additional safety margin.
.coCapacitor Size
t4USelect the smallest unit permitted by the circuit constraints that provides the required capacitance and voltage rating.
All Cal-Chip capacitors conform to EIA specifications.
heeCapacitor Termination
STermination choice is largely determined by the chip attachment method. Silver-palladium is adequate for most applications
tainvolving soldering or solder reflow.
aNickel barrier is standard and recommended for units exposed to repeated solder cycles, to minimize leaching of the ter-
www.Dmination.
Multilayer Ceramic Chip Capacitors
COG/NPO (cont.)
GMC21 GMC31
Type
Length mm
Inches
Width mm
Inches
Thickness mm
Inches
Termination Band
mm
Inches
Band Gap mm
Inches
Rated Voltage d.c.
Cap. Range Code
0.5pF
1.0
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1.0nF
1.2
1.5
1.8
2.2
2.7
3.3
3.9
4.7
5.6
6.8
8.2
10
12
15
18
22
27
33
39
47
56
68
82
100
120
150
180
220
270
330
390
470
560
680
820
1.0uF
2.2
3.3
4.7
6.8
10
22
33
47
68
100
0R5
1R0
1R2
1R5
1R8
2R2
2R7
3R3
3R9
4R7
5R6
6R8
8R2
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
271
331
391
471
561
681
821
102
122
152
182
222
272
332
392
472
562
682
822
103
123
153
183
223
273
333
393
473
563
683
823
104
124
154
184
224
274
334
394
474
564
684
824
105
225
335
475
685
106
226
336
476
686
107
0805
2.0r0.3
0.08r0.012
1.25r0.2
0.05r0.008
1.3
0.051
Min Max
0.25 0.75
0.01 0.03
0.5
0.019
100 200
1206
3.2r0.3
0.125r0.012
1.6r0.2
0.063r0.008
1.6
0.063
Min Max
0.25 0.75
0.01 0.03
1.4
0.055
100 200
GMC32
1210
3.2r0.3
0.125r0.012
2.5r0.3
0.10r0.012
1.8
0.07
Min Max
0.25 0.75
0.01 0.03
1.4
0.055
100 200
GMC40
1808
4.57r0.25
0.18r0.01
2.03r0.25
0.08r0.01
2.03
0.08
Min Max
0.25 0.75
0.01 0.03
2.0
0.078
100 200
GMC43
1812
4.5r0.35
0.18r0.014
3.2r0.3
0.125r0.012
1.8
0.07
Min Max
0.25 0.75
0.01 0.03
2.2
0.087
100 200
GMC45
1825
4.5r0.35
0.18r0.014
6.3r0.4
0.25r0.016
1.8
0.07
Min Max
0.25 0.75
0.01 0.03
2.2
0.087
100 200
GMC55
2220
5.7r0.4
0.225r0.016
5.0r0.4
0.197r0.016
1.8
0.07
Min Max
0.25 0.75
0.01 0.03
2.9
0.114
100 200
GMC57
2225
5.7r0.4
0.225r0.016
6.3r0.4
0.25r0.016
1.8
0.07
Min Max
0.25 0.75
0.01 0.03
2.9
0.114
100 200
6 Page Cal-Chip Electronics, Incorporated
Multilayer Ceramic Chip Capacitors
GMC SERIES
COG Dielectric
Ultra stable class I dielectric: linear temperature coefficient, low loss, negligible change of electrical
properties with time, voltage and frequency.
Operating Temperature
Temperature Coefficient
Range
-55°C
to
+125°C
0±30ppm°C
Temperature
Voltage
Coefficient
(∆cMax @
VDCW)
Dissipation
Factor
Insulation Dielectric
Resistance withstanding Aging Rate
Voltage
0±30ppm/°C
0.1% Max, • 25°C, VDCW::
0.02% Typical >100GΩF or
1000ΩF,
whichever is less
•125°C, VDCW:
>10GΩF or
100ΩF
whichever is less
3 X VDCW
0% per
decade hour
Test
Parameters
• C≤1000pF
f=1MHz
V=1.0Vrms
±0.2Vrms
T=25°C
• C>1000pF
f=1KHz
V=1.0Vrms
±0.2Vrms
T=25°C
X7R Dielectric
Stable class II dielectric (EIA X7R)
Operating
Temperature
Range
-55°C
to
+125°C
Temperature
Coefficient
Temperature
Voltage
Coefficient
(∆cMax @
VDCW)
Dissipation
Factor
Insulation Dielectric
Resistance withstanding Aging Rate
Voltage
±15%
X7R
Not Applicable
2.5% Max,
1.8% Typical
• 25°C, VDCW::
>100GΩFor
1000ΩF,
whichever is less
•125°C, VDCW:
>10GΩF or
100ΩF
whichever is less
2.5 X VDCW
<2% per
decade hour
Test
Parameters
1KHz,
1.0Vrms
±0.2Vrms
25°C
values > or
= to 10uF
1.0Vrms
120Hz
10
12 Page | ||
Seiten | Gesamt 22 Seiten | |
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