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Multilayer Ceramic Chip Capacitors
Test Conditions and Standards
Test Conditions and Specifications for High Dielectric Type (Y5V)
CM/ CT/ C A Series
Test Items
Capacitance Value (C)
Test Conditions
Measure after heat treatment
Within tolerance
Specifications
Tan δ (%)
Frequency
1kHz ± 10%
Volt
1.0 ± 0.2Vrms
Refer to capacitance chart
Insulation Resistance (IR)
Dielectric Resistance
Appearance
Termination Strength
Bending Strength
Measured after the rated voltage is applied for 1
minute at room ambient.
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.
Microscope
Apply a sideward force of 500g (5N) to a PCB-
mounted sample.
Exclude CT series with thickness of less than 0.66mm.
Glass epoxy PCB: Fulcrum spacing: 90mm, duration
time 10 seconds.
Exclude CT series with thickness of less than 0.66mm.
Over 10000M Ω or 500M Ω ? μ F, whichever is less
No problem observed
No problem observed
No problem observed
No significant damage at 1mm bent
Vibration
Test
Appearance
Δ C
Take the initial value after heat treatment.
Vibration frequency: 10 to 55 (Hz)
Amplitude: 1.5mm
No problem observed
Within tolerance
Sweeping condition: 10 → 55 → 10Hz/ 1 minute in X,
Tan δ (%)
Y and Z
Directions: 2 hours each, 6 hours total.
Within tolerance
Over 10000M Ω or 500M Ω ? μ F, whichever is less
Soldering
Heat
Resistance
Appearance
Δ C
Tan δ (%)
IR
Withstanding
Voltage
Take the initial value after heat treatment. No problem observed
Soak the sample in 260 ° C ± 5 ° C solder for 10 ± 0.5
seconds and place in room ambient, and measure Within ± 20%
after 24 ± 2 hours. Within tolerance
(Pre-heating conditions)
Order Temperature Time
1 80 to 100 ° C 2 minutes
2 150 to 200 ° C 2 minutes
The charge and discharge current of the capacitor Resist without problem
must not exceed 50mA for IR and withstanding
voltage measurement.
Soaking condition
Solderablity
Sn-3Ag-0.5Cu
Sn63 Solder
245 ± 5 ° C
235 ± 5 ° C
3 ± 0.5 sec.
2 ± 0.5 sec.
Solder coverage : 90% min.
Temperature
Cycle
Appearance
Δ C
Tan δ (%)
IR
Take the initial value after heat treatment.
(Cycle)
Room temperature (3min.) →
Lowest operation temperature (30min.) →
Room temperature (3min.) →
Highest operation temperature(30min.)
No problem observed
Within ± 20%
Within tolerance
Over 10000M Ω or 500M Ω ? μ F, whichever is less
After 5 cycles, measure after 24 ± 2 hours.
Voltage
Withstanding The charge and discharge current of the capacitor
must not exceed 50mA for IR and withstanding
voltage measurement.
Resist without problem
Load
Humidity
Test
High-
Temperature
with
Loading
Appearance
Δ C
Tan δ (%)
IR
Appearance
Δ C
Tan δ (%)
IR
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.
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.
No problem observed
Within ± 30%
150% max. of initial value
Over 500M Ω or 25M Ω ? μ F, whichever is less
No problem observed
Within ± 30%
150% max. of initial value
Over 1000M Ω or 50M Ω ? μ F, whichever is less
Pre-
treatment
Heat
Voltage
Keep specimen at 150 + 0/ ? 10 ℃ for 1 hour, leave specimen at room ambient for 24 ± 2 hours.
Apply the same test condition for 1 hour, then leave the specimen at room ambient for 24 ± 2 hours.
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