High Capacitance, Leaded Ceramic Capacitors | Application Note
Leaded Ceramic Capacitors Up to 5,000 VDC and 800 µF for Aerospace, Defense, Medical, and Power Electronic
Introduction:
Johanson introduces its comprehensive line of North American-manufactured high-power/voltage leaded capacitors, specifically designed for high-frequency switching power supply applications and critical electronic systems.
With ISO 14001:2015 and AS9100:2016 certified North American manufacturing locations (USA and Mexico) Johanson Technology ISO Certifications — Johanson Dielectrics, these capacitors feature optimized equivalent series resistance (ESR) and equivalent series inductance (ESL) characteristics for superior performance in demanding applications from aerospace to medical equipment.
| Product Line |
Capacitance Range
|
Voltage Rating
|
Additional Info |
|---|---|---|---|
| 0.5–800 µF | 50–500 VDC |
SMPS Switch-Mode
Stacked Capacitors
|
|
| 100 pF–70 µF | 25–5000 VDC |
Switchmode Radial Leaed
Capacitors (H-Series)
|
|
| 18 nF–10 µF | 25–500 VDC | Mini-Switchmode® Capacitors | |
| 56 pF–12 µF | 25–4000 VDC | Radial T-Series Capacitors |
Typical Applications:
Johanson's high-power/voltage leaded capacitors are ideal for various high-reliability applications, including:
1.Mini-Switchmode® High-Power/Voltage Capacitors in Aerospace & Defense
Mini-Switchmode® High-Power/Voltage Capacitors are essential in aerospace and defense applications for filtering out high-frequency noise in control systems and power conditioning circuits.
Johanson's M3DV631W664K1J1001B, featuring a capacitance of 0.66 µF and a voltage rating of 630 VDC, is specifically engineered for harsh aerospace environments. With an EIA size of 1825 (0.182 inches × 0.25 inches), this component ensures compact yet reliable performance.
Designed for durability, these capacitors perform efficiently under extreme temperature and environmental conditions, making them ideal for avionics systems, power inverters, and satellite communication applications.
2. 200°C Rated Radial, High-Power/Voltage Capacitors in Energy & Drilling
High-Power Radial Capacitors play a crucial role in energy and drilling industries, particularly for signal conditioning circuits in drilling equipment.
Johanson’s HPJJ202G124J3QA001C offers a capacitance of 0.66 µF and a voltage rating of 2000 VDC. With the ability to operate at temperatures as high as 200°C and an EIA size of 6964 (0.696 inches × 0.64 inches), this capacitor is built to handle the harshest environments. Its rugged construction and exceptional stability make it a dependable choice for deep drilling operations, power distribution systems, and renewable energy equipment.
3. SMPS High-Power/Voltage Capacitors in Commercial Power
Stacked SMPS High-Power/Voltage Capacitors are pivotal in commercial power applications for smoothing out high-frequency noise generated by switching processes in substations and charging systems.
Johanson’s M1FP102G333K3L1001F is optimized for such needs, offering a capacitance of 33,000pF and a voltage rating of 1000 VDC. With an EIA size of 3839 (0.38 inches × 0.39 inches), this capacitor ensures compact design without compromising performance. Built for high reliability, this component is suited for use in electric vehicle charging stations, substation switchgear, and commercial power converters.
4. Stacked SMPS High-Power/Voltage Capacitors in Power Supply & Medical
Stable voltage output is critical in power supply and medical applications, where Stacked SMPS High-Power/Voltage Capacitors are often used to smooth out high-frequency noise generated by switching processes.
Johanson’s M2FP501W205K1SL001F (2.0 µF, 500 VDC) provides high-performance power regulation with X7R ceramic material. Featuring an EIA size of 3839(0.38 inches × 0.39 inches), this component offers a balance of compact size and robust performance, making it suitable for applications like MRI machines, X-ray systems, and precision power supplies.
5. Standard Radial High-Power Capacitors in Semiconductor Manufacturing
Standard Radial High-Power Capacitors are instrumental in decoupling power supply lines from high-frequency noise in semiconductor manufacturing.
Johanson's RLKD500W106K3QN001B delivers a capacitance of 10.0 µF with a voltage rating of 50 VDC. With an EIA size of 7450(0.745 inches × 0.50 inches), it is designed for high reliability and enhanced durability.
The rugged epoxy coating provides additional protection against environmental factors, making it an excellent choice for cleanroom manufacturing equipment, plasma etching systems, and photolithography setups.
6. High-Power/Voltage Radial Capacitors in EV Testing
EV Testing demands capacitors capable of filtering, decoupling, and stabilizing power supplies in high-stress environments.
Johanson's High-Power/Voltage Radial Capacitors RLHP402W472K3QR003C, with a capacitance of 4700 pF and a voltage rating of 4000 VDC, meets these rigorous requirements.
Its EIA size of 5550 (0.55 inches × 0.50 inches) and RoHS compliance ensures that it fits seamlessly into advanced EV testing systems. Whether used in power analyzers, battery management systems, or charging infrastructure, this component offers exceptional reliability and performance.
Key Features:
- North American Manufacturing
- High-power/voltage capacitors with capacitance values up to 800µF & voltage ratings up to 5000V DC
- Military applications johansonmilitary-aerospace-hirel-flyer.pdf
- Custom capabilities
- Operating temperature range: -55°C to +125°C and up to 200°C (T-Series only)
- Flexible mounting options with optimized lead frames
Why Choose Johanson?
Our high-power/voltage leaded ceramic capacitors are manufactured in North America, offering geographical proximity and other trading advantages. The product line features intrinsically low ESR and ESL compared to electrolytic capacitors, while our flexible mounting options ensure reliable solder joints with reduced thermal stress.
All products undergo rigorous in-house testing, including electrical, mechanical, and Hi-Rel testing (as required).
For general questions, contact Johanson Applications Engineers
What are high-power and high-voltage leaded ceramic capacitors used for?
High-power and high-voltage leaded ceramic capacitors are used for filtering, decoupling, power conditioning, and suppression of high-frequency noise in demanding electronic systems. Applications include aerospace and defense electronics, switch-mode power supplies, medical equipment, semiconductor manufacturing equipment, commercial power systems, energy and drilling equipment, and EV testing systems.
What capacitance and voltage ranges are available from Johanson?
Johanson's North American-manufactured leaded ceramic capacitor portfolio includes capacitance values up to 800 µF and voltage ratings up to 5000 VDC. Available ranges vary by product family and include stacked SMPS, radial, Mini-Switchmode®, and high-temperature T-Series capacitors.
Which Johanson leaded ceramic capacitors are available for high-temperature applications?
Johanson's Radial T-Series capacitors are designed for high-temperature operation and can operate at temperatures up to 200°C. The T-Series is available in capacitance values from 56 pF to 12 µF and voltage ratings from 25 to 4000 VDC.
Where are Johanson high-power and high-voltage leaded capacitors manufactured?
Johanson's high-power and high-voltage leaded ceramic capacitors are manufactured in North America, with manufacturing locations in the United States and Mexico. The page identifies these locations as ISO 14001:2015 and AS9100:2016 certified.
What types of leaded ceramic capacitors does Johanson offer for switch-mode power supplies?
Johanson offers several leaded ceramic capacitor families for demanding power applications, including stacked SMPS capacitors, high-power/high-voltage radial capacitors, Mini-Switchmode® capacitors, and high-temperature Radial T-Series capacitors.
What are the capacitance and voltage ranges of Johanson stacked SMPS capacitors?
Johanson's high-power/high-voltage stacked capacitors for switch-mode power supplies cover capacitance values from 0.5 to 800 µF and voltage ratings from 50 to 500 VDC.
What are the capacitance and voltage ranges of Johanson high-voltage radial leaded capacitors?
Johanson's high-power/high-voltage radial capacitor family covers capacitance values from 100 pF to 70 µF and voltage ratings from 25 to 5000 VDC.
Are Johanson leaded ceramic capacitors suitable for aerospace and defense applications?
Johanson identifies aerospace and defense as applications for its high-power/high-voltage leaded ceramic capacitors. The page specifically describes Mini-Switchmode® capacitors for filtering high-frequency noise in control systems and power-conditioning circuits, with applications including avionics, power inverters, and satellite communications.
Are high-power leaded ceramic capacitors suitable for medical equipment?
Yes. Johanson identifies stacked SMPS high-power/high-voltage capacitors for power regulation and filtering applications in equipment such as MRI machines, X-ray systems, and precision power supplies.
What testing is performed on Johanson high-power and high-voltage capacitors?
According to Johanson, its products undergo in-house electrical, mechanical, and Hi-Rel testing as required.
Why use ceramic capacitors instead of electrolytic capacitors in high-frequency power applications?
Johanson states that its high-power/high-voltage leaded ceramic capacitor product line has intrinsically low ESR and ESL compared with electrolytic capacitors, characteristics that are useful in high-frequency power applications.
Can Johanson provide custom high-power or high-voltage capacitor solutions?
Yes. Johanson lists custom capabilities as a feature of its high-power/high-voltage leaded ceramic capacitor portfolio. Engineers can contact Johanson technical support to discuss application requirements.