Overview
The Cornell Dubilier TNAD1040 is a proven aluminum electrolytic capacitor rated at 4 microfarads (µF) and 100 volts DC. This component has been widely used in industrial control systems, power supplies, and commercial equipment. As a used surplus unit, it offers cost-effective replacement or repair solutions for existing systems requiring this exact specification.
Key Features
- Capacitance: 4 µF nominal
- Voltage Rating: 100 VDC
- Technology: Aluminum electrolytic construction
- Proven reliability in industrial and commercial applications
- Direct replacement for original TNAD1040 installations
- Fully tested and functional
Technical Specifications
- Capacitance: 4 µF ± tolerance
- Voltage Rating: 100 VDC
- Capacitor Type: Aluminum Electrolytic
- Mounting: Radial leads
- Operating Temperature Range: Standard industrial (-40°C to +85°C typical for aluminum electrolytic capacitors)
- Dielectric: Aluminum oxide
- Manufacturing Origin: USA
Typical Applications
- DC power supply filtering in industrial control systems
- Motor control circuits and soft-start applications
- Smoothing and ripple filtering in rectifier circuits
- Coupling and decoupling in analog and digital circuits
- Energy storage in timing and pulse circuits
- Industrial equipment repair and refurbishment projects
Compatibility & Replacements
Compatible With
- Industrial control panels requiring 4µF 100VDC capacitors
- DC power supply circuits rated 100V or lower
- Motor control and soft-start applications
- Vintage and legacy equipment maintenance
- General industrial electronics and test equipment
Replaces / Drop-In Replacement For
- Original Cornell Dubilier TNAD1040 installations
- Any application originally designed for a 4µF 100VDC aluminum electrolytic capacitor with radial leads
- Verify lead configuration and mounting dimensions match your application before ordering
Works With
- DC power supply systems
- Industrial control circuits
- Motor control and automation equipment
- Vintage industrial electronics and machinery
- Equipment repair and upgrade projects
