Capacitor supplies high energy density for ripple current applications
New Yorker Electronics has announced it will be stocking the new Cornell Dubilier Electronics (CDE) Type RA Multilayered Polymer Capacitors for 125°C operation. Type RA capacitors are constructed using stacked metalised polyester protected with an impregnated sealant, which eliminates the need for an external case. This rugged package style offers the highest energy density technology available for switching power supplies, DC to DC converters and other high ripple current applications.
These non-inductive multilayer metalised polyester through-hole film capacitors features a small size, high dV/dt capability, very low ESR at high frequency and a self-healing capability. They are suitable for use in high frequency switching power supplies, noise suppression, EMI reduction and long life applications.
The self-healing capacitors are infused with a microcrystalline polymer sealant and exterior tape wrap that protects the capacitor element from moisture, allowing it meet 85°C / 85% RH requirements for demanding military vehicles and aerospace applications.
Available in capacitance values ranging from 0.1-10.0µF, voltage ratings of 100, 250, 400 and 500VDC, Type RA capacitors are terminated with radial leads to cover a broad range of applications in power electronics where high density capacitors are needed for board-level DC filtering.
Features and benefits:
- High frequency response is similar to MLCCs, with better performance
- Capacitance is unaffected by applied bias voltage
- Resists damage from pulses
- No Piezoelectric effect
- No cracking
- Greater lifespan
- Wave Solderable
- Efficient size
- Self healing
Applications:
- EMI/RFI suppression
- Ripple current handling capability
- Pulse generation
- Any circuit requiring low ESR/ESL, high dV/dt, long life
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