options for higher reliability applications. Both Group A and Group
B testing/inspection options per MIL–PRF–49467 are available for
the SM Series.
Benefits
•
•
•
•
•
•
-55°C to +125°C operating temperature range
Large Case Sizes (≥ 1515)
Formed “L” or “J” leadframe configurations.
Group A and B screening per MIL–PRF–49467 available
Reliable and robust leadframe termination system
DC voltage ratings of 500 V, 1 KV, 2 KV, 3 KV, 4 KV, 5 KV,
7.5 KV, and 10 KV
• Capacitance offerings ranging from 10 pF up to 0.39 μF
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Ordering Information
SM20
Style/Size
SM20
SM21
SM22
SM23
SM24
SM25
SM26
1
2
N
Dielectric
SM30
SM31
SM33
SM34
SM35
SM36
N = C0G
472
Capacitance
Code (pF)
2 Significant
Digits +
Number of
Zeros
J
Capacitance
Tolerance
J = ±5%
K = ±10%
M = ±20%
P = +100%, -0%
Z = +80%, -20%
501
Voltage
501 = 500 V
102 = 1,000 V
202 = 2,000 V
302 = 3,000 V
402 = 4,000 V
502 = 5,000 V
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.
150% of rated voltage for voltage rating of ≤ 1,250 VDC
120% of rated voltage for voltage rating of > 1,250 VDC
(5 ±1 seconds and charge/discharge not exceeding 50 mA)
0.15%
1,000 megohm microfarads or 100 GΩ
(Rated voltage DC applied for 120 ±5 seconds @ 25°C for voltage rating of ≤ 500 VDC)
(500 VDC applied for 120 ±5 seconds @ 25°C for voltage rating of > 500 VDC)
Parameters/Characteristics
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:
1 MHz ±100 kHz and 1.0 Vrms ±0.2 V if capacitance ≤ 100 pF
1 kHz ±50 Hz and 1.0 Vrms ±0.2 V if capacitance > 100 pF
Note: When measuring capacitance it is important to ensure the set voltage level is held constant. The HP4284 and 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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