ESR
“U” range of Ultra-low ESR Capacitors
Ultra-low ESR “U” Range
Electrical Details
The Ultra-low ESR “U” range offers a very stable, High Q material system
that provides excellent low loss performance in systems below 3GHz.
Capacitance Range
Optimised for lowest possible ESR, this range of high frequency capacitors
is suitable for many applications where economical, high performance is
required.
Temperature Coefficient of Capacitance (TCC) 0 ± 30ppm/˚C (C0G)
0.1pF to 1.0nF
Q factor
>2000 @ 1MHz
Insulation Resistance (IR)
100GΩ or 1000secs (whichever is the less)
Dielectric Withstand Voltage (DWV)
Voltage applied for 5 ±1 seconds, 50mA
charging current maximum
Operating temperature range
-55ºC / +125ºC
Ageing Rate
Zero
Size
Length mm
(L1)
Width mm
(W)
Thickness mm
(T)
Band mm
(L2)
0603
1.6 ± 0.2
0.8 ± 0.2
0.8 Max
0.10 – 0.40
0805
2.0 ± 0.3
1.25 ± 0.2
1.3 Max
0.13 – 0.75
1111
2.79 +0.51/-0.25
2.79 ± 0.38
2.0±0.2*
0.13
– 0.63
* - 1111 capacitance values < 2.2pF, maximum thickness 1.78mm
Ordering Information – Ultra-low ESR “U” Range
0805
J
Chip Size
Termination
0603
0805
1111
250
Voltage d.c.
(marking code)
J = Silver or copper
base with nickel
barrier (100% matte
tin plating).
RoHS compliant
A = Silver or copper
base with nickel
barrier (tin/lead
plating with min. 10%
lead).
Not RoHS compliant
0101
Capacitance in Pico
farads (pF)
J
Capacitance
Tolerance
200 = 200V
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