Overview
The Sprague M39018/04-0099 is a mil-spec aluminum electrolytic capacitor engineered for high-reliability applications in aerospace, defense, industrial control, and test equipment. This unit combines the proven Sprague heritage with the M39018 series specification, delivering 230 µF of capacitance at 350 VDC with a tolerance band of -10% to +50%. The robust construction and conservative design margins make it suitable for long-service-life installations where failure is not an option.
Key Features
- Capacitance: 230 µF nominal, -10% to +50% tolerance
- Voltage Rating: 350 VDC for high-voltage filtering and energy storage
- Aluminum Electrolytic Construction: Proven technology for stability and reliability
- Mil-Spec Design: Built to stringent military performance standards
- Axial Lead Format: Standard through-hole mounting for legacy and retrofit applications
Technical Specifications
- Capacitance: 230 µF
- Voltage Rating: 350 VDC
- Tolerance: -10% to +50%
- Type: Aluminum Electrolytic
- Package: Axial leads
- Series: M39018/04
- Part Number: M39018/04-0099
Typical Applications
- Power supply filtering in industrial control equipment
- Energy storage in high-voltage switch-mode power supplies
- Coupling and decoupling in audio and analog circuits
- Legacy aerospace and military electronic systems
- Test equipment and instrumentation requiring stable, high-capacitance values
- Retrofit and board-level repairs on vintage industrial equipment
Compatibility & Replacements
Compatible With
- High-voltage power supply designs (300–350 VDC input rails)
- Legacy aerospace and defense control systems
- Industrial instrumentation requiring military-grade components
- Audio and analog signal conditioning circuits
Replaces / Drop-In Replacement For
- Original Sprague M39018/04-0099 units in equipment repair
- Equivalent mil-spec 230 µF 350 VDC aluminum electrolytic capacitors where pin configuration matches
Works With
- Standard through-hole PCB designs
- High-voltage filtering networks
- Analog and power electronics circuits
- Military and industrial control architectures
