Multilayer Ceramic Chip Capacitors
Test Conditions and Standards
Test Conditions and Specifications for High Dielectric Type (X5R, X7R)
CM/ CT/ CA Series
Test Items Specifications Test Conditions
Capacitance Value (C) Within tolerance Measure after heat treatment
Capacitance
Frequency Volt
C≤10μF 1kHz±10% 1.0±0.2Vrms
C>10μF 120Hz±10% 0.5±0.2Vrms
Tanδ (%) Refer to capacitance chart
Insulation Resistance (IR) Over 10000MΩ or 500MΩ • μF, whichever is less
Measured after the rated voltage is applied for 1
minute at room ambient.
The charge and discharge current of the capacitor
must not exceed 50mA.
Dielectric Resistance No problem observed
Apply 2.5 times of the rated voltage for 1 to 5 seconds.
The charge and discharge current of the capacitor
must not exceed 50mA.
Appearance No problem observed Microscope (10× magnification)
Termination Strength No problem observed
Apply a sideward force of 500g (5N) to a PCB-mounted sample.
note : 2N for 0201 size in for 01005 size.
Exclude CT series with thickness of less than 0.66mm.
Bending Strength No significant damage at 1mm bent
Glass epoxy PCB: Fulcrum spacing: 90mm, duration
time 10 seconds.
Exclude CT series with thickness of less than 0.66mm.
Vibration
Test
Appearance No problem observed Take the initial value after heat treatment.
Vibration frequency: 10 to 55 (Hz)
Amplitude: 1.5mm
Sweeping condition: 10→55→10Hz/ 1 minute in X, Y and Z
Directions: 2 hours each, 6 hours total.
ΔCWithin tolerance
Tanδ (%) Within tolerance
Soldering
Heat
Resistance
Appearance No problem observed Take the initial value after heat treatment.
Soak the sample in 260°C±5°C solder for 10±0.5
seconds and place in room ambient, and measure
after 24±2 hours.
(Pre-heating conditions)
Order Temperature Time
180 to 100°C 2 minutes
2150 to 200°C 2 minutes
The charge and discharge current of the capacitor must not
exceed 50mA for IR and withstanding voltage measurement.
ΔCWithin ±7.5%
Tanδ (%) Within tolerance
IR Over 10000MΩor 500MΩ • μF, whichever is less
Withstanding
Voltage Resist without problem
Solderablity Solder coverage : 90% min.
Soaking condition
Sn63 Solder 235±5°C2
±0.5 sec.
Sn-3Ag-0.5Cu 245±5°C3
±0.5 sec.
Temperature
Cycle
Appearance No problem observed Take the initial value after heat treatment.
(Cycle)
Room temperature (3min.)→
Lowest operation temperature (30min.)→
Room temperature (3min.)→
Highest operation temperature(30min.)
After 5 cycles, measure after 24±2 hours.
The charge and discharge current of the capacitor must not
exceed 50mA for IR and withstanding voltage measurement.
ΔCWithin ±7.5%
Tanδ (%) Within tolerance
IR Over 10000MΩor 500MΩ • μF, whichever is less
Withstanding
Voltage Resist without problem
Load
Humidity
Test
Appearance No problem observed Take the initial value after voltage treatment.
After applying rated voltage for 500+12/ −0 hours
in pre-condition at 40°C±2°C, humidity 90 to
95%RH, allow parts to stabilize for 24±2 hours, at
room temperature before measurement.
The charge and discharge current of the capacitor
must not exceed 50mA for IR measurement.
ΔCWithin ±12.5%
Tanδ (%) 200% max. of initial value
IR Over 500MΩor 25MΩ • μF, whichever is less
High-
Temperature
with
Loading
Appearance No problem observed Take the initial value after voltage treatment.
After applying twice the rated voltage at the highest
operation temperature for 1000+12/ −0 hours,
measure the sample after 24±2 hours.
The charge and discharge current of the capacitor
must not exceed 50mA for IR measurement.
Apply 1.5 times when the rated voltage is 10V or less. Applied
voltages for respective products are indicated in the below chart.
ΔCWithin ±12.5%
Tanδ (%) 200% max. of initial value
IR Over 1000MΩor 50MΩ • μF, whichever is less
Pre-
treatment
Heat Keepspecimenat150+0/−10℃for1hour,leavespecimenatroomambientfor24±2hours.
Voltage Applythesametestconditionfor1hour,thenleavethespecimenatroomambientfor24±2hours.
High-temperature with Loading Applied Voltage (Rated Voltage × □)
AppliedVoltage
RatedVoltage
Products
×1.3 6.3V CM105X5R475, CM316X5R476
CT05X5R104,CT21X5R106
×1.5
16V
CM105X7R474-105,CM21X7R105-475,CM316X7R475-106,CM32X7R106-226,CM05X5R224,CM105X5R225,CM21X5R475-106,CM316X5R226
CT105X5R105,CT21X5R225-475,CT316X5R106
25V
CM105X7R474,CM21X7R105-225,CM316X7R475,CM32X7R106,CM105X5R474-105,CM21X5R225-106,CM316X5R106,CM32X5R106-226
CT316X5R225-106
50V CM21X5R105
CT21X5R225,CT316X5R225-475