WA Series Film Capacitors

Product number: SW10251

Manufacturer: Knowles (former NWL-Cornell Dubilier CDE)

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WA Series Film Capacitors NWL-Cornell Dubilier CDE Datasheet

Product information "WA Series Film Capacitors"

Cornell Dubilier CDE (formerly NWL)’s WA-Series DC voltage capacitors offer superior performance in a high capacitance welded case package. They are ideally suited for the most demanding applications requiring high RMS current ratings while maintaining air cooling heat management system. By utilizing stainless steel, aluminum, painted steel, and brass containers, this product has a robust package with mounting brackets for the capacitor, as well as additional brackets for components required around the capacitor, such as brackets for resistors, chill plates, current transformers, etc. A variety of terminals can be selected to create a high current low inductance option to accommodate various DC filtering systems.

Cornell Dubilier CDE’s WA-Series DC air cooled capacitors provide solutions in a wide variety of applications including:

DC filtering
DC energy storage
DC pulse power

Over 100 electrical configurations are currently available in a welded package, with the following features and options available upon request:

Pressure switches
Internal discharge resistors
Live or dead case construction
Single to multiple fine-tuning values per capacitor
Choice of bracket style and location
Choice of terminal connections

Unique features of the WA-Series capacitor include:

Terminal Options – By designing the capacitor with a variety of terminal layout, WA-Series can achieve maximum RMS ripple currents while maintaining air cooled heat management.
Large welded metal package – Utilizing well established and proven high K oil filling process, these welded steel cases of stainless steel, aluminum, brass and steel are able to package capacitors in excess of 500 lbs per unit.
Welded package – By taking advantage of an already provided welded metal can, NWL can provide additional brackets for accessory components required near the bulk capacitance value and avoid additional structures in assembly.

Manufacturer "Knowles (former NWL-Cornell Dubilier CDE)"

Knowles Corporation is a global provider of high performance capacitors and radio frequency (RF) products, balanced armature speakers, advanced micro-acoustic microphones, and audio solutions. The Company's segments include Precision Devices (PD), and Medtech & Specialty Audio (MSA). The PD segment specializes in the design and delivery of high-performance capacitor products and RF solutions primarily serving the defense, medtech, electric vehicle, and industrial markets. The MSA segment designs and manufactures balanced armature speakers and microphones used in applications that serve the hearing health and premium audio markets. The Company sells its products directly to original equipment manufacturers (OEMs) and to their contract manufacturers and suppliers and through distributors worldwide.

Knowles also continues the legacy of NWL and Cornell Dubilier Electronics (CDE) with a broad portfolio of advanced capacitor technology that is used in demanding industrial applications, e.g., custom, high-voltage DC and AC film capacitors for pulsed power and power conversion applications, including water-cooled devices, capacitors for fast switching IGBTs, DC link capacitors, air-cooled capacitors for harmonic AC or high-voltage DC filtering, DC filter and DC pulse capacitors or oil-filled capacitors for pulse power and power conditioning applications.

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