Aerospace power electronics
For high-power-density inverter, power-module and DC-link capacitor directions.
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POWER / FILM / 01
High-Temperature Capacitor Films
Low-loss engineered fluoropolymer film for aerospace power electronics and harsh-environment capacitors, maintaining voltage and capacitance stability under heat, field stress and long energized duty.
4 μm filmLow dielectric lossHigh-temperature capacitance stability
PRODUCT FAMILYPower Enablers ↗
01 / CONFIGURATION DIRECTIONS
Select a configuration from the application boundaries
These configurations establish a practical discussion starting point. The final product requires a controlled specification based on interface, length, installation and validation conditions.
High-temperature industrial
For long-life systems with limited cooling or elevated ambient temperature.
Custom wound element
Film and metallization are defined by capacitance, voltage, width and package.
Match a solution direction to the link target
Solution codes support early technical discussions by aligning protocol, construction, link boundaries and application in one view.
SOLUTION CODEPROTOCOL / RATECONSTRUCTIONKEY BOUNDARYBEST FIT
POWER-FILM-01Aerospace power electronicsFor high-power-density inverter, power-module and DC-link capacitor directions.4 μm filmAerospace and defense power electronics
POWER-FILM-02High-temperature industrialFor long-life systems with limited cooling or elevated ambient temperature.Low dielectric lossHigh-temperature inverter and DC link
POWER-FILM-03Custom wound elementFilm and metallization are defined by capacitance, voltage, width and package.High-temperature capacitance stabilityDownhole tools
MODEL NOTEFilm values are material-level data. Finished-capacitor capability also depends on metallization, winding, package, cooling and electric-field design.
02 / PERFORMANCE PARAMETERS
Product performance parameters
The following values describe current product performance boundaries, with the applicable model, construction or test condition retained.
PERFORMANCE METRICVALUECONFIGURATION / CONDITION
01Temperature range−55 to +200 °C
Film material
02Material constructionEngineered fluoropolymer
Material system
03Film thickness4 μm
Standard value
04Dielectric constant2.1
Material property
05Loss tangent0.0002
Tanδ
06Insulation resistance7,000,000 MΩ × μF
At 25 °C
These are high-temperature capacitor-film material properties; finished-capacitor values still depend on metallization, winding and package design.
Technical referenceValues are confirmed against category, gauge, length and termination
03 / TYPICAL CONSTRUCTION
From functional core to terminated interface
Functional film
Engineered fluoropolymer film forms the low-loss dielectric core.
Metallized electrodes
Metal layers are defined around capacitance, current density and self-healing.
Winding or stack
Tension, alignment and edge control maintain thickness and field consistency.
End connection
Low-resistance interfaces control pulse current and localized heating.
Package system
Potting, enclosure and thermal path support vibration and elevated temperature.
04 / SELECTION & VALIDATION
Inputs needed to start a custom assessment
SELECTION ITEMINFORMATION TO CONFIRM
01Electrical target
Capacitance, working voltage, ripple current and peak power
02Thermal boundary
Continuous temperature, hot spots and thermal cycling
03Loss target
Dielectric loss, ESR and allowable temperature rise
04Mechanical envelope
Film thickness, winding size, package and mass
05Manufacturing
Metallization, winding, end spray and encapsulation
06Life validation
Voltage, temperature, vibration and capacitance drift
Typical applications
- Aerospace and defense power electronics
- High-temperature inverter and DC link
- Downhole tools
- High-reliability pulse and filter capacitors
Interfaces & delivery
- Wound or stacked capacitor element
- Custom width, thickness and roll diameter
- Busbar, lead or module termination
ENGINEERING NOTE
Film values are material-level data. Finished-capacitor capability also depends on metallization, winding, package, cooling and electric-field design.
Ready to define a controlled specification?
Bring us the interface, environment and validation requirements.
Yidong Telecom can build a sample direction and validation matrix around the cable construction, termination and system boundaries.
Submit requirement checklist ↗