X5R40KV501M high voltage ceramic capacitor, 40kV DC rated, 500pF, X5R dielectric, axial lead epoxy coated. Ideal for high-voltage power supply, multiplier circuits, medical and industrial equipment.
The X5R40KV501M high voltage ceramic capacitor is a high-reliability axial lead component designed for extreme voltage environments up to 40,000V DC. Featuring a 500pF capacitance, X5R dielectric stability, and robust epoxy resin encapsulation, it is widely used in high-voltage power supplies, pulse circuits, X-ray equipment, and voltage multiplier systems.
With excellent insulation resistance, low leakage current, and strong mechanical durability, this capacitor is engineered for demanding industrial and medical applications.
Key Features
* High voltage rating: 40kV DC
* Capacitance: 500pF
* Tolerance: ±20% (M Code)
* Temperature characteristic: X5R (±15% stability)
* Axial lead structure for easy PCB and module mounting
* Durable red epoxy resin coating
* Low leakage current and high insulation resistance
* Excellent performance under high-frequency and pulse conditions
* RoHS compliant and environmentally friendly design
Technical Specifications
Structure Axial Lead, Epoxy Resin Encapsulated
|
Parameter |
Specification |
|
Model |
X5R40KV501M |
|
Capacitance |
500pF |
|
Rated Voltage |
40kV DC |
|
Tolerance |
±20% |
|
Dielectric Type |
X5R Ceramic |
|
Temperature |
-25°C ~ +85°C |
|
Dissipation Factor |
≤1.0% |
|
Insulation Resistance |
≥10,000 MΩ (typical condition) |
|
Leakage Current |
≤100nA (25°C), ≤150nA (75°C) |
|
Lead Wire Diameter |
0.8 mm |
Temperature Characteristic Curve
Dimensions
* Thickness (Tmax): 23.0 mm
* Body Length (L): 35.0 mm
* Lead Wire Diameter: 0.8 mm
* Style: Axial cylindrical structure
Product Structure
* Dielectric: X7R
* Electrode: Silver (Ag)
* Encapsulation: Epoxy Resin (Red coating)
* Soldering Material: Tin alloy
* Lead Wire: Tinned copper axial leads
Electrical Performance Highlights
* High dielectric strength: withstands 150% rated voltage for 1 minute
* Excellent humidity resistance and vibration endurance
* Designed for long-term reliability in high-voltage environments
* Low loss and stable performance in high-frequency circuits
Reliability & Testing Standards
This capacitor is tested under strict industrial conditions:
* High-temperature and humidity cycling (95% RH)
* Temperature cycling (-25°C to +85°C repeated cycles)
* Vibration resistance (10–500 Hz, 6 hours)
* Lead wire mechanical strength (10N pull test)
* Soldering resistance (260°C solder immersion)
* Collision resistance and mechanical shock testing
All units maintain capacitance variation within ±20% after stress tests.
Applications
The X5R40KV501M capacitor is widely used in:
* High voltage power supplies
* Voltage multiplier circuits
* X-ray equipment
* Medical imaging systems
* Laser power systems
* Electrostatic equipment
* Industrial high-frequency generators
* Pulse power and discharge circuits
* Lighting ignition systems
Advantages
* High dielectric reliability under extreme voltage
* Compact axial structure for flexible installation
* Stable performance in harsh environments
* Excellent moisture and thermal resistance
* Suitable for continuous industrial operation
Ordering Information
Part Number System:
X5R – 40KV – 501 – M
* X5R: Temperature stability class
* 40KV: Rated voltage
* 501: Capacitance code (500pF)
* M: Tolerance ±20%
Conclusion
The X5R40KV501M high voltage ceramic capacitor is a robust, high-performance solution for engineers designing high-voltage and high-frequency systems. Its strong insulation capability, stable electrical characteristics, and durable construction make it an ideal choice for demanding industrial and medical applications.
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