X7R Dielectric
Typical Characteristic Curves**
Variation of Impedance with Cap Value
Impedance vs. Frequency
1,000 pF vs. 10,000 pF - X7R
0805
Temperature Coefficient
+12
+6
0
10.00
1,000 pF
10,000 pF
-6
1.00
-12
-18
-24
0.10
0.01
-75 -50
+125
+25 +50 +75 +100
-25
0
Temperature °C
100
1000
10
Frequency, MHz
Variation of Impedance with Chip Size
Impedance vs. Frequency
10,000 pF - X7R
⌬ Capacitance vs. Frequency
10
1206
0805
1210
+20
+10
1.0
0
-10
-20
0.1
.01
100
1,000
1
10
1KHz
10 KHz
100 KHz
1 MHz
10 MHz
Frequency, MHz
Frequency
Variation of Impedance with Chip Size
Impedance vs. Frequency
100,000 pF - X7R
Insulation Resistance vs Temperature
10,000
1,000
100
10
1206
0805
1210
1.0
0.1
.01
0
+20
+40
+60
+80 +100
+25
100
1,000
1
10
Temperature °C
Frequency, MHz
SUMMARY OF CAPACITANCE RANGES VS. CHIP SIZE
Style
0402*
0504
10V
16V
25V
50V
100V
—
±00pF - 47nF
±00pF - 6.ꢃnF
±00pF - 3.9nF
±00pF - .0±µF
±00pF - ±1nF
±00pF - 0.±µF
±nF - 0.22µF
±nF - 0.22µF
±nF - 0.±µF
±0nF - 0.33µF
±0nF - ±µF
—
—
—
—
±00pF - 3.3nF
±00pF - 4.7nF
±00pF - 22nF
±nF - 0.±µF
±nF - 0.±µF
±nF - 27nF
0603*
0805*
1206*
1210*
1505
±00pF - 0.22µF
±00pF - 0.±µF
±00pF - 47nF
±00pF - 2.2µF
±00pF - 0.47µF
±00pF - 0.22µF
±.1µF - 4.7µF
±nF - ±µF
±nF - ±.0µF
→
→
→
→
→
→
→
±nF - ±.ꢃµF
±nF - ±µF
→
→
→
→
→
→
→
1808
±0nF - 0.33µF
±0nF - 0.±µF
±0nF - 0.47µF
±0nF - 0.47µF
±0nF - ±.2µF
±0nF - ±.1µF
1812*
1825*
2220
→
→
→
→
±0nF - ±µF
±0nF - ±.1µF
±0nF - 2.2µF
2225
* Standard SiHes
** For additional information on performance changes with operating conditions consult AꢀX’s software SpiCap.
9