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X7R Datasheet, PDF (2/19 Pages) EPCOS – Multilayer ceramic capacitor
Multilayer ceramic capacitors
X7R
Chip
Features
■ High volumetric efficiency
■ Non-linear capacitance change
■ High insulation resistance
■ High pulse strength
Applications
■ Blocking and coupling
■ Decoupling
■ Interference suppression
Termination
■ For soldering: Nickel-barrier termination (Ni) for case sizes 0402 to 1210
Silver-palladium termination (AgPd) for case sizes 1812 and 2220
(capacitance values ≤1 μF)
■ For conductive adhesion: Silver-palladium termination (AgPd) for all case sizes on request
Options
■ Alternative capacitance tolerances available on request
Delivery mode
■ Cardboard and blister tape (blister tape for chip thickness ≥1.2 ±0.1 mm and case sizes ≥1210),
180-mm and 330-mm reel available
■ Bulk case for case sizes 0603 (16 V, 25 V, 50 V) and 0805 (50 V)
Electrical data
Temperature characteristic
Climatic category (IEC 60068-1)
Standard
Dielectric
Rated voltage1)
Test voltage
Capacitance range2) / E series
Max. relative capacitance change
Dissipation factor (limit value)
Insulation resistance3) at + 25 °C
Insulation resistance3) at +125 °C
Time constant3) at + 25 °C
Time constant3) at +125 °C
Operating temperature range
Ageing4)
VR
Vtest
CR
ΔC/C
tan δ
Rins
Rins
τ
τ
Top
X7R
55/125/56
EIA
Class 2
10, 16, 25, 50,100, 200, 500 VDC
2.5 · VR/5 s
100 pF … 1 µF (E3/E6)
VDC
±15
%
<25 · 10–3
<35 · 10–3 for 16 V
>105
MΩ
>104
MΩ
>1000
s
>100
s
–55 … +125
°C
yes
1) Note: No operation on AC line.
3) For CR >10 nF the time constant τ = C · Rins is given.
2) See also HighCap series in data book or Internet 4) Refer to data book 2003 “General Techn. Inform.”, page 197.
Please read Cautions and warnings and
Important notes at the end of this docume2nt. 2
2 12/0505