Z5U Dielectric
General Specifications
Z5U formulations are “general-purpose” ceramics which are
meant primarily for use in limited temperature applications
where small size and cost are important. Z5U show wide
variations in capacitance under influence of environmental
and electrical operating conditions.
Despite their capacitance instability, Z5U formulations
are very popular because of their small size, low ESL, low
ESR and excellent frequency response. These features are
particularly important for decoupling application where only a
minimum capacitance value is required.
PART NUMBER (see page 3 for complete part number explanation)
0805
Size
(L" x W")
5
Voltage
25V = 3
50V = 5
E
Dielectric
Z5U = E
104
Capacitance
Code
Z
Capacitance
Tolerance
Preferred
Z = +80%
–20%
M = ±20%
A
Failure
Rate
A = Not
Applicable
T
Terminations
T = Plated Ni
and Solder
2
Packaging
2 = 7" Reel
4 = 13" Reel
A
Special
Code
A = Std.
Product
PERFORMANCE CHARACTERISTICS
Capacitance Range
Capacitance Tolerances
Operating Temperature Range
Temperature Characteristic
Voltage Ratings
Dissipation Factor
Insulation Resistance
(+25°C, RVDC)
Dielectric Strength
Test Voltage
Test Frequency
0.01 µF to 1.0 µF
Preferred +80 –20%
others available: ±20%, +100 –0%
+10°C to +85°C
+22% to –56% max.
25 and 50VDC (+85°C)
4% max.
10,000 megohms min. or 1000 MΩ - µF min., whichever is less
250% of rated voltage for 5 seconds at 50 mamp max. current
0.5 ± 0.2 Vrms
1 KHz
12
Z5U Dielectric
Typical Characteristic Curves**
Temperature Coefficient
+30
+20
+10
0
-10
-20
-30
-40
-50
-60
+10 +25 +30 +35 +40 +45 +50 +55 +65 +85
Capacitance
Variation of Impedance with Cap Value
Impedance vs. Frequency
1206 -Z5U
100.00
10.00
Impedance,
%
10,000 pF
1.00
100,000 pF
0.10
Temperature
°C
0.01
1
10
100
1,000
Frequency, MHz
Capacitance vs. Frequency
Capacitance
1000
0
-10
-20
-30
-40
1KHz
10 KHz
100 KHz
1 MHz
10 MHz
100
Variation of Impedance with Chip Size
Impedance vs. Frequency
.33 F - Z5U
Z5U 1206
Z5U 1210
Z5U 1812
|Z| (ohms)
Frequency
10
%
1
0.1
0.001
0.01
0.1
1
10
100
1,000
Frequency, MHz
Insulation Resistance (Ohm-Farads)
nsu ation Resistance vs Temperature
100,000
Variation of Impedance with Ceramic Formulation
Impedance vs. Frequency
.1 F X7R vs. Z5U
0805
10000
1000
X7R 0805
Z5U 0805
10,000
|Z| (ohms)
+20
+30
+40
+50
+60
+70
+80
1,000
100
10
1
0.1
0.01
0.001
0.01
0.1
1
10
100
1,000
100
0
Temperature
°C
Frequency, MHz
SUMMARY OF CAPACITANCE RANGES VS. CHIP SIZE
Style
0603*
0805*
1206*
1210*
1808
1812*
1825*
2225
25V
.01µF - .047µF
.01µF - .12µF
.01µF - .33µF
.01µF - .56µF
.01µF - .56µF
.01µF - 1.0µF
.01µF - 1.0µF
.01µF - 1.0µF
50V
.01µF - .027µF
.01µF - 0.1µF
.01µF - .33µF
.01µF - .47µF
.01µF - .47µF
.01µF - 1.0µF
.01µF - 1.0µF
.01µF - 1.0µF
* Standard Sizes
** For additional information on performance changes with operating conditions consult AVX’s software SpiCap.
13
Z5U Dielectric
Capacitance Range
PREFERRED SIZES ARE SHADED
SIZE
Standard Reel Packaging
(L)
Length
(W) Width
(T) Max. Thickness
(t) Terminal
MM
(in.)
MM
(in.)
MM
(in.)
MM
(in.)
0603*
All Paper
1.60 ± .15
(.063 ± .006)
.81 ± .15
(.032 ± .006)
.90
(.035)
.35 ± .15
(.014 ± .006)
0805
Paper/Embossed
2.01 ± .20
(.079 ± .008)
1.25 ± .20
(.049 ± .008)
1.30
(.051)
.50 ± .25
(.020 ± .010)
1206
Paper/Embossed
3.20 ± .20
(.126 ± .008)
1.60 ± .20
(.063 ± .008)
1.50
(.059)
.50 ± .25
(.020 ± .010)
1210
Paper/Embossed
3.20 ± .20
(.126 ± .008)
2.50 ± .20
(.098 ± .008)
1.70
(.067)
.50 ± .25
(.020 ± .010)
WVDC
Cap
(µF)
.010
.012
.015
.018
.022
.027
.033
.039
.047
.056
.068
.082
.10
.12
.15
.18
.22
.27
.33
.39
.47
.56
.68
.82
1.0
1.5
25
50
25
50
25
50
25
50
L
W
T
t
*Reflow soldering only.
NOTES:
For low profile chips, see page 19.
= Paper Tape
= Embossed Tape
14
Z5U Dielectric
Capacitance Range
PREFERRED SIZES ARE SHADED
SIZE
Standard Reel Packaging
1808*
All Embossed
04.57 ± .25
(.180 ± .010)
2.03 ± .25
(.080 ± .010)
1.52
(.060)
.64 ± .39
(.025 ± .015)
MM
(in.)
MM
(in.)
MM
(in.)
MM
(in.)
1812*
All Embossed
4.50 ± .30
(.177 ± .012)
3.20 ± .20
(.126 ± .008)
1.70
(.067)
.61 ± .36
(.024 ± .014)
1825*
All Embossed
4.50 ± .30
(.177 ± .012)
6.40 ± .40
(.252 ± .016)
1.70
(.067)
.61 ± .36
(.024 ± .014)
2225*
All Embossed
5.72 ± .25
(.225 ± .010)
6.35 ± .25
(.250 ± .010)
1.70
(.067)
.64 ± .39
(.025 ± .015)
(
L) Length
(W) Width
(T) Max. Thickness
(t) Terminal
WVDC
Cap
(µF)
.010
.012
.015
.018
.022
.027
.033
.039
.047
.056
.068
.082
.10
.12
.15
.18
.22
.27
.33
.39
.47
.56
.68
.82
1.0
1.5
25
50
25
50
25
50
25
50
L
W
T
t
*Reflow soldering only.
NOTES:
For low profile chips, see page 19.
= Paper Tape
= Embossed Tape
15
Basic Capacitor Formulas
I. Capacitance (farads)
English: C = .224 K A
T
D
Metric: C = .0884 K A
T
D
II. Energy stored in capacitors (Joules, watt - sec)
E =
1
⁄
2
CV
2
III. Linear charge of a capacitor (Amperes)
dV
I=C
dt
IV. Total Impedance of a capacitor (ohms)
R
2
+ (XC - XL )
2
S
V. Capacitive Reactance (ohms)
1
xc =
2
π
fC
Z=
VI. Inductive Reactance (ohms)
x
L
= 2
π
fL
VII. Phase Angles:
Ideal Capacitors: Current leads voltage 90°
Ideal Inductors: Current lags voltage 90°
Ideal Resistors: Current in phase with voltage
VIII. Dissipation Factor (%)
(loss angle) = E.S.R. = (2
πfC)
(E.S.R.)
Xc
IX. Power Factor (%)
P.F. = Sine (loss angle) = Cos (phase angle)
f
P.F. = (when less than 10%) = DF
D.F.= tan
X. Quality Factor (dimensionless)
Q = Cotan (loss angle) = 1
D.F.
XI. Equivalent Series Resistance (ohms)
E.S.R. = (D.F.) (Xc) = (D.F.) / (2
π
fC)
XII. Power Loss (watts)
Power Loss = (2
π
fCV
2
) (D.F.)
XIII. KVA (Kilowatts)
KVA = 2
π
fCV
2
x 10
-3
XIV. Temperature Characteristic (ppm/°C)
T.C. = Ct – C
25
x 10
6
C
25
(T
t
– 25)
XV. Cap Drift (%)
C
1
– C
2
C.D. =
C
1
x 100
XVI. Reliability of Ceramic Capacitors
V
t
L
0
X
T
t
Y
=
L
t
V
o
T
o
( ) ( )
XVII. Capacitors in Series (current the same)
1 = 1 + 1 --- 1
CT
C
1
C
2
CN
C
1
C
2
Two: CT =
C
1
+ C
2
XVIII. Capacitors in Parallel (voltage the same)
CT = C
1
+ C
2
--- + CN
XIX. Aging Rate
A.R. = %
Any Number:
D
C/decade of time
XX. Decibels
db = 20 log V
1
V
2
METRIC PREFIXES
Pico
Nano
Micro
Milli
Deci
Deca
Kilo
Mega
Giga
Tera
X 10
-12
X 10
-9
X 10
-6
X 10
-3
X 10
-1
X 10
+1
X 10
+3
X 10
+6
X 10
+9
X 10
+12
SYMBOLS
K
A
T
D
V
t
Rs
= Dielectric Constant
= Area
= Dielectric thickness
= Voltage
= time
= Series Resistance
f
L
= frequency
= Inductance
= Loss angle
L
t
V
t
V
o
T
t
T
o
= Test life
= Test voltage
= Operating voltage
= Test temperature
= Operating temperature
f
X&Y
L
o
= Phase angle
= exponent effect of voltage and temp.
= Operating life
2
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