MLCC Tin/Lead Termination “B”
X8R – Specifications and Test Methods
Parameter/Test
Operating Temperature Range
Capacitance
X8R Specification Limits
Measuring Conditions
-55ºC to +150ºC
Within specified tolerance
Temperature Cycle Chamber
Freq.: 1.0 kHz ± 10%
Voltage: 1.0Vrms ± .2V
≤ 2.5% for ≥ 50V DC rating
≤ 3.5% for 25V DC and 16V DC rating
Dissipation Factor
100,000MΩ or 1000MΩ - μF,
whichever is less
Charge device with rated voltage for
120 ± 5 secs @ room temp/humidity
Insulation Resistance
Charge device with 250% of rated voltage for
1-5 seconds, w/charge and discharge current
limited to 50 mA (max)
Dielectric Strength
No breakdown or visual defects
Note: Charge device with 150% of rated voltage
for 500V devices.
Appearance
Capacitance
No defects
Deflection: 2mm
Test Time: 30 seconds
≤ ±12%
Variation
Resistance to
Flexure
Stresses
Dissipation
Factor
Insulation
Resistance
Meets Initial Values (As Above)
≥ Initial Value x 0.3
≥ 95% of each terminal should be covered
Dip device in eutectic solder at 230 ± 5ºC
Solderability
with fresh solder
for 5.0 ± 0.5 seconds
Appearance
No defects, <25% leaching of either end terminal
Capacitance
Variation
Dissipation
Factor
Insulation
Resistance
Dielectric
Strength
≤ ±7.5%
Dip device in eutectic solder at 260ºC for 60
seconds. Store at room temperature for 24 ± 2
hours before measuring electrical properties.
Resistance to
Solder Heat
Meets Initial Values (As Above)
Meets Initial Values (As Above)
Meets Initial Values (As Above)
No visual defects
≤ ±7.5%
Appearance
Capacitance
Variation
Step 1: -55ºC ± 2º
30 ± 3 minutes
Step 2: Room Temp
≤ 3 minutes
Dissipation
Factor
Meets Initial Values (As Above)
Meets Initial Values (As Above)
Step 3: +125ºC ± 2º
Step 4: Room Temp
30 ± 3 minutes
Thermal Shock
Insulation
Resistance
≤ 3 minutes
Dielectric
Strength
Appearance
Repeat for 5 cycles and measure after
24 ± 2 hours at room temperature
Meets Initial Values (As Above)
No visual defects
Capacitance
Variation
≤ ±12.5%
Charge device with 1.5 rated voltage (≤ 10V) in
test chamber set at 150ºC ± 2ºC
for 1000 hours (+48, -0)
Dissipation
Factor
≤ Initial Value x 2.0 (See Above)
≥ Initial Value x 0.3 (See Above)
Load Life
Insulation
Resistance
Remove from test chamber and stabilize at room
temperature for 24 ± 2 hours before measuring.
Dielectric
Strength
Appearance
Meets Initial Values (As Above)
No visual defects
Capacitance
Variation
Dissipation
Factor
Insulation
Resistance
Store in a test chamber set at 85ºC ± 2ºC/ 85% ±
5% relative humidity for 1000 hours
≤ ±12.5%
(+48, -0) with rated voltage applied.
≤ Initial Value x 2.0 (See Above)
≥ Initial Value x 0.3 (See Above)
Load
Humidity
Remove from chamber and stabilize at room
temperature and humidity for
24 ± 2 hours before measuring.
Dielectric
Strength
Meets Initial Values (As Above)
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