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Series X5R

Series X5R

   Universal X5R Series MLCC, the class 2 multi-layer ceramic chip capacitor with a non-linear temperature coefficient, using ferroelectric dielectric material, is relatively stable with high capacitance per volume. It is applied for bypass, coupling, filtering and frequency discrimination circuit with less demanding on stable capacitance. In the filtering circuit of DC-DC (AC) converter and switching power supply, it is used to gradually replace tantalum and aluminum electrolytic capacitors. 

I. Product Dielectric Property Type


Dielectric Property Type

Operating Temperature Range

Temperature Coefficient

General Standard

Reference Temperature







II. Basic Electrical Properties




Within Nominal Capacitance Tolerance Range:

K: ±10%, L: ±15%, M: ±20%

J: ±5% (Please consult our Sales Representatives or Technical Service Engineers for Custom-made)

 Testing Conditions of    Capacitance/Loss Tangent:

 Temperature: 15℃~35℃;

 Relative Humidity: 25%~80%;

 Testing Frequency:

 C≤100pF, f=1MHz;

 C>100pF, f=1KHz;

 C≥10μF, f=120Hzor 1KHz.

 Testing Voltage: 1.0±0.2V (Effective Value)



        Loss Tangent

 UR ≥25V  tgδ≤750×10-4

 UR =16V  tgδ≤800×10-4

 UR =10V  tgδ≤900×10-4

 UR =6.3V  tgδ≤1000×10-4


 Insulation Resistance



 C ≤ 0.025μF    Ri ≥ 4000MΩ;

 C > 0.025μF    Ri ×C≥ 100MΩ·μF

 Rated Voltage:

 Temperature: 15℃~35℃;

 Relative Humidity: 25%~80%;

 1 minute ± 5 seconds


   Voltage Resistance


 2.5×UR, 1min, no breakdown or flashover

 Apply 2.5 times rated voltage to the    two ends of the product for 1 minute 


III. Capacitance- Temperature Characteristic





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