Silver plated copper alloy leadframe termination system
Applications
Typical applications include switch mode power supplies (input
filters, resonators, tank circuits, snubber circuits, output filters),
high voltage coupling and DC blocking, voltage multiplier circuits,
DC/DC converters and coupling capacitors in Ćuk converters,
noise reduction (piezoelectric/mechanical), circuits with a direct
battery or power source connection, critical and safety relevant
circuits without (integrated) current limitation and any application
that is subject to high levels of board flexure or temperature
cycling. Markets include power supply, LCD fluorescent backlight
ballasts, HID lighting, telecom equipment, industrial and medical
equipment/control and Military.
Ordering Information
SM20
Style/Size
SM20
SM21
SM22
SM23
SM24
SM25
SM26
1
2
B
Dielectric
SM30
SM31
SM33
SM34
SM35
SM36
B = X7R
153
Capacitance
Code (pF)
2 Sig. Digits +
Number of
Zeros.
K
Capacitance
Tolerance
K = ±10%
M = ±20%
P = +100%, -0%
Z = +80%, -20%
501
Voltage
501 = 500V
102 = 1000V
202 = 2000V
302 = 3000V
402 = 4000V
502 = 5000V
B
Lead
Configuration
1
A = Formed "L"
B = Formed "J"
M
Testing/
Inspection Option
2
Blank = None
M = Group A per MIL-PRF-49467
Standard lead configuration is formed "J". If the appropriate character is excluded from the ordering code, the assumed lead configuration will be formed "J".
Group B testing/inspection option per MIL-PRF-49467 is available upon request. Please contact KEMET for ordering details.
(SMD MLCCs) – KPS HV, Large Case, SM Series, X7R Dielectric, 500VDC-10KVDC (Industrial Grade)
Electrical Parameters/Characteristics
Item
Operating Temperature Range
Capacitance Change with Reference to +25°C and 0 VDC Applied (TCC)
Aging Rate (Max % Cap Loss/Decade Hour)
Dielectric Withstanding Voltage
Dissipation Factor (DF) Maximum Limits @ 25ºC
Insulation Resistance (IR) Limit @ 25°C
-55°C to +125°C
±15%
3.0%
150% of rated voltage for voltage rating of ≤ 1250Vdc
120% of rated voltage for voltage rating of > 1250Vdc
(5 ± 1 seconds and charge/discharge not exceeding 50mA)
2.5%
1000 megohm microfarads or 100GΩ
(Rated voltage DC applied for 120 ± 5 secs @ 25°C for voltage rating of ≤ 500VDC)
(500VDC applied for 120 ± 5 secs @ 25°C for voltage rating of > 500VDC)
Parameters/Characteristics
Regarding Aging Rate: Capacitance measurements (including tolerance) are indexed to a referee time of 1000 hours.
To obtain IR limit, divide MΩ-µF value by the capacitance and compare to GΩ limit. Select the lower of the two limits.
Capacitance and Dissipation Factor (DF) measured under the following conditions:
1kHz ± 50Hz and 1.0Vrms ± 0.2V if capacitance >100pF
Note: When measuring capacitance it is important to ensure the set voltage level is held constant. The HP4284 & Agilent E4980 have a feature known as Automatic
Level Control (ALC). The ALC feature should be switched to "ON".
Post Environmental Limits
High Temperature Life, Biased Humidity, Moisture Resistance
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Test/Measurement
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