Capacitance [F] Tolerance Case Size [EIA] Voltage [V] Dielectric Technology Termination Product Type SRF [Hz] ESR @ SRF [Ω]
220 p ± 10 % 0402 16 X7R MLCC Sn Automotive 410 M 801 m
0402YC221K4T2A
SizeVoltageDielectricCapacitance Code (in pF)Capacitance ToleranceFailure RateTerminationsPackagingSpecial Code

0402

0603

0805

1206

1210

1812

10V = Z

16V = Y

25V = 3

50V = 5

100V = 1

200V = 2

250V = V

500V = 7

X7R = C

2 Sig. Digits +

Number of Zeros

e.g. 10 F = 106

F = ±1% (≥10pF)*

G = ±2% (≥10pF)*

J = ±5% (≤1µF)

K = ±10%

M = ±20%

4 = Automotive

T = Plated Ni and Sn

2 = 7” Reel

4 = 13” Reel

A = Std. Product


This legend is Only for explain PartNumber parts, not for order or create specific PartNumber

PN structure example - For more specific information about full Part Numbers building see:
Catalog Series Datasheet - X7R Automotive

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Ceramic schema - X7R & X8L Impedance
Impedance
R0  =  525.1 μΩ
R1  =  776.6 mΩ
R2  =  75.84 Ω
R3  =  29.45 Ω
R4  =  1000 MΩ
L1  =  797 pH
L2  =  37.85 nH
L3  =  37.18 nH
C1  =  191.4 pF
C2  =  24.2 pF
C3  =  4.18 pF

Ceramic schema - X7R & X8L ESR
ESR
R0  =  716.4 mΩ
R1  =  821.5 kΩ
R2  =  31.31 kΩ
R3  =  1.237 kΩ
R4  =  43.47 Ω
R5  =  3.752 Ω
R6  =  549.4 mΩ
R7  =  372 mΩ
R8  =  464.7 mΩ
R9  =  29.98 mΩ
R10  =  29.14 Ω
R11  =  1.528 Ω
R12  =  228.3 mΩ
R13  =  376.8 mΩ
L1  =  639.8 aH
L2  =  1.054 pH
L3  =  2.103 pH
L4  =  16.49 pH
L5  =  15.15 pH
C1_8  =  11.63 nF
C9  =  7.719 nF
C10  =  177 pF
C11  =  373.5 pF
Ceramic capacitor case schema Universal

EIA - 0402

millimeters [mm] inches [in]
L 1.0 ±0.1 0.039 ±0.004
W 0.5 ±0.1 0.02 ±0.004
T max. 0.56 0.022
t 0.25 ±0.15 0.01 ±0.006

For more specific information about part number case size see:   Catalog Series Datasheet - X7R Automotive