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Multilayer Ceramic Capacitors X7R
Ordering code system
Feedthrough Chip
B37872
U
5
222
S
0
11
Packaging 11 ^ cardboard tape, 180-mm reel
Internal coding
Capacitance tolerance S ^ +50% / -20% (standard)
Capacitance, coded (example)
222 ^ 22 * 102 pF = 2,2 nF 472 ^ 47 * 102 pF = 4,7 nF
Rated voltage
Rated voltage [VDC] Code
50 5
Termination
Standard:
U ^ nickel barrier "U" also indicates feedthrough chip capacitor
Type and size Chip size (inch / mm) 1206 / 3216 Temperature characteristic X7R B37872
110 10/02
Multilayer Ceramic Capacitors X7R
Features

Feedthrough Chip
Excellent EMI suppression Class 2 characteristic Low parasitic inductance and low electrical losses High attenuation at higher natural resonant frequency Space saving on the PCB
Applications

EMI suppression Decoupling and filtering Noise suppression and broadband I/O filtering Automotive brake systems (e.g. ABS) Hall sensors
Termination
For soldering: 4 terminations, nickel-barrier terminations (Ni)
Options
Alternative capacitance values, capacitance tolerances,
C0G characteristic and feedthrough arrays available on request Delivery mode
Cardboard tape, 180-mm reel
Electrical data Temperature characteristic Climatic category (IEC 60068-1) Standard Dielectric Rated voltage1) Test voltage Capacitance range / E series Max. relative capacitance change Dissipation factor (limit value) DC resistance Insulation resistance 2) at + 25 C Insulation resistance 2) at +125 C Time constant 2) at + 25 C Time constant 2) at +125 C Operating temperature range Ageing 3)
1) Note: No operation on AC line. 2) For CR > 10 nF the time constant t = C * Rins is given. 3) Refer to chapter "General Techn. Inform.", page 197.
VR Vtest CR DC/C tan d RDC Rins Rins t t Top
X7R 55/125/56 EIA Class 2 50 2,5 * VR/5 s 2,2 nF ... 10 nF (E3) 15 < 25 * 10 -3 < 600 > 105 > 104 > 1000 > 100 -55 ... +125 yes
VDC VDC % mW MW MW s s C
111 10/02
Multilayer Ceramic Capacitors
X7R
X7R
Capacitance tolerances Code letter Tolerance S (standard) +50/-20%
Dimensional drawing
b b
ss
u
k k
k1
k
k
KKE0328-F
KKE0272-V
Dimensions (mm) Case size l b s k k1 u (inch) (mm) 1206 3216 3,2 0,20 1,6 0,15 0,9 max. 0,4 0,2 1,0 0,35 0,2 +0,2/-0,1
Tolerances to CECC 32101-801
112 10/02
Multilayer Ceramic Capacitors X7R
Recommended solder pad
D
X7R
C
A
KKE0336-6
Maximum dimensions (mm) Case size (inch/mm) 1206/3216 Type feedthrough chip A 0,85 B 1,02 C 1,09 D 1,65 E 0,85 F 0,71
Termination
Termination (nickel barrier) Ceramic body
F
B
E
Inner electrode
AgPd
Substrate electrode Intermediate electrode External electrode
Ag Ni Sn
KKE0349-3-E
113 10/02
Multilayer Ceramic Capacitors
X7R
X7R; 1206
Product range feedthrough capacitors X7R Size1) inch mm Type VR (VDC) CR 2,2 nF 4,7 nF 10 nF 1206 3216 B37872 50
Ordering codes and packing for X7R feedthrough capacitors, 50 VDC, nickel-barrier terminations Chip thickness Cardboard tape, AE 180-mm reel ** ^ 11 pcs/reel 4000 4000 4000
CR2) 2,2 nF 4,7 nF 10, nF
Ordering code B37872U5222S0** B37872U5472S0** B37872U5103S0**
mm 0,8 0,1 0,8 0,1 0,8 0,1
Case size 1206, 50 VDC
1) l b (inch) / l b (mm) 2) Other capacitance values on request.
114 10/02
Multilayer Ceramic Capacitors X7R
X7R
Typical characteristics Capacitance change DC/C25 versus temperature T
20 C % C 25 0
KKE0186-U
Capacitance change DC/C0 versus superimposed DC voltage V
10 C % C0 0 2,2 nF 50 V
KKE0469-N
_ 10 _ 20 _ 30 _ 40 _ 50 _ 60 _ 70 _ 80 _ 60 _ 40 _ 20 0 20 40 60 80 100 C 140
T
_ 10
_ 20
_ 30
_ 40
0
20
40
60
80
V 100 V
Insertion loss dB versus frequency f
0
KKE0470-R
Dissipation factor tan d versus temperature T
10 tan
_1
KKE0189-J
dB
_ 10
Insertion loss
_ 15 _ 20 _ 25 _ 30 _ 35 _ 40 _ 45 _ 50
10 0 Feedthrough 2,2 nF
3 10 _ _ _ 60 40 20 0 20 40 60 80 100 C 140 T
Chip 2,2 nF
10
_2
_
10 1
10 2
MHz 10 3 f
115 10/02
Multilayer Ceramic Capacitors
X7R
X7R
Typical characteristics Insulation resistance Rins versus temperature T
10 8 M R ins
KKE0190-M
Capacitance change DC/C1 versus time t
10 C % C1 0
KKE0191-V
10 6
_5
10 5
_ 10
10 4
10 3
_ 15 _ 20
10 2
0
20
40
60
80
100
C 140 T
10 0
10 1
10 2
h t
10 3
116 10/02
Herausgegeben von EPCOS AG Unternehmenskommunikation, Postfach 80 17 09, 81617 Munchen, DEUTSCHLAND ++49 89 636 09, FAX (0 89) 636-2 26 89
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EPCOS AG 2002. Vervielfaltigung, Veroffentlichung, Verbreitung und Verwertung dieser Broschure und ihres Inhalts ohne ausdruckliche Genehmigung der EPCOS AG nicht gestattet.
Bestellungen unterliegen den vom ZVEI empfohlenen Allgemeinen Lieferbedingungen fur Erzeugnisse und Leistungen der Elektroindustrie, soweit nichts anderes vereinbart wird. Diese Broschure ersetzt die vorige Ausgabe. Fragen uber Technik, Preise und Liefermoglichkeiten richten Sie bitte an den Ihnen nachstgelegenen Vertrieb der EPCOS AG oder an unsere Vertriebsgesellschaften im Ausland. Bauelemente konnen aufgrund technischer Erfordernisse Gefahrstoffe enthalten. Auskunfte daruber bitten wir unter Angabe des betreffenden Typs ebenfalls uber die zustandige Vertriebsgesellschaft einzuholen. Published by EPCOS AG Corporate Communications, P.O. Box 80 17 09, 81617 Munich, GERMANY ++49 89 636 09, FAX (0 89) 636-2 26 89
EPCOS AG 2002. Reproduction, publication and dissemination of this brochure and the information contained therein without EPCOS' prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Association), unless otherwise agreed. This brochure replaces the previous edition. For questions on technology, prices and delivery please contact the Sales Offices of EPCOS AG or the international Representatives. Due to technical requirements components may contain dangerous substances. For information on the type in question please also contact one of our Sales Offices.
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