Appli​cation Brief

Multilayer Ceramic Capacitors
PRODUCTS
High Temperature Pulse Discharge Solution
Why Choose KEMET
Applications
KEMET Electronics Corporation is a leading
global supplier of electronic components. We
offer our customers the broadest selection of
capacitor technologies in the industry, along
with an expanding range of electromechanical
devices, electromagnetic compatibility solutions
and supercapacitors. Our vision is to be the
preferred supplier of electronic component
solutions for customers demanding the highest
standards of quality, delivery and service.
• Down-hole drilling
• Electronic fuse
• Detonation/munitions
• Fireset circuitry
• High temperature lighting ballasts
KEMET Electrical/Physical Characteristics
Case Size
Features & Benefits
Form Factor
Dielectric
Operating Temperature
Range
Temperature
Coefficient (TCC)
Capacitance Range
–55°C to +200°C
±30 ppm
(–55°C to +200°C)
3.3 nF – 100 nF
2824
• ROHS/REACH compliant
• High current transient pulses
• Discharge pulse width typically of 100 ns
(may vary with load conditions)
• Operating temperature up to +200°C
• No capacitance change with voltage
• Negligible capacitance change with
temperature
• Discharge voltage up to 3,500 V
• Surface mountable
• BME technology for superior reliability
• Dissipation factor < 0.1%
• 100% enhanced screening for reliable
energy delivery
2.2 nF – 56 nF
3040
SMD
3640
C0G
3.9 nF – 120 nF
4540
4.7 nF – 150 nF
1,000 Vr Pulse Dischage Capacitors at 200°C
KEMET HT C0G 4540 Pulse Discharge Capacitor
Energy Density vs. Applied Voltage
Discharge Current vs. Applied Voltage
Product Checklist
• Is your application operating in extreme
environments?
• Do you require a RoHS compliant solution?
• Do you need a thermally stable solution?
• What is your maximum operating
temperature?
• What are your capacitance and voltage
requirements?
• Do you have any size constraints?
• Do you require high energy pulses?
• How much pulse energy do you need for
your application?
For more information, samples
and engineering kits,
please visit us at www.kemet.com
or call 1.877.myKEMET.
SA0316
Ordering Information
Ceramic
Case Size
(L”xW”)
Specification/
Series
C
2824
H
2824
3040
3640
4540
H = High
Temp
(200°C)
Capacitance
Code (pF)
393
2 significant
digits plus
number of
zeros.
Capacitance
Tolerance
Dielectric
Withstanding
Voltage1 (VDC)
Dielectric
Failure Rate/
Design
K
U
G
W
J = ±5%
K = ±10%
M = ±20%
D = 1,000
U = 1,250
G = 2,000
H = 3,000
V = 3,500
G = C0G
W = Pulse
Discharge
Termination
Finish2
C
C = 100%
Matte Sn
L = SnPb
(5% min.)
Packaging
(C-Spec)3
TU
See
“Packaging
C-Spec
Ordering
Options
Table”
DWV is the voltage a capacitor can withstand (survive) for a short period of time. It exceeds the nominal and continuous working voltage of the capacitor.
Additional termination finish options may be available. Contact KEMET for details.
3
Additional reeling or packaging options may be available. Contact KEMET for details.
1
2
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