Overview
The M39018/01-0738 capacitor is a military-grade aluminum electrolytic capacitor manufactured by Barker Microfarads to meet MIL-PRF-39018 specifications. This axial component delivers 180µF capacitance at a 50V DC working voltage, making it suitable for power supply filtering, energy storage, and signal coupling in industrial electronics, test equipment, and aerospace applications.
Key Features
- 180µF capacitance with ±10% to ±30% tolerance options
- 50V DC rated working voltage
- Axial lead configuration for through-hole PCB mounting
- Miniature case design (CU12 case code)
- 20 AWG (0.032″) leads for standard circuit board spacing
- Low ESR design for stable performance across temperature ranges
- Tested to military standards for reliability and longevity
Technical Specifications
- Capacitance: 180µF
- Rated Voltage: 50V DC
- Capacitance Tolerance: ±10% to ±30% (per dash number)
- Maximum ESR @ +25°C: 0.096Ω (120Hz)
- Case Size: CU12 (miniature axial)
- Lead Wire: 20 AWG (0.032″)
- Operating Temperature Range: −10°C to +85°C (rated operation); derating applies above +85°C
- Surge Voltage @ 85°C: 60V DC
- Standard Series: M39018/01 (MIL-PRF-39018)
- Qualification: Military specification-tested
Typical Applications
- Power supply and voltage regulator filtering stages
- Industrial control circuits and automation equipment
- Aerospace and avionics electronic subsystems
- Test and measurement instrumentation
- Motor control and drive circuits
- Audio amplifier bypass and coupling networks
- Energy storage in portable and stationary equipment
Compatibility & Replacements
Compatible With
- Standard 50V DC power supply designs
- Axial through-hole PCB layouts
- Military and aerospace electronic assemblies meeting MIL-PRF-39018 requirements
- Industrial control systems and motor drives
- Analog filtering and signal conditioning circuits
Replaces / Drop-In Replacement For
Verify compatibility with your system integrator before ordering. The M39018/01-0738 is a specific military-spec variant; direct replacements depend on your exact schematic requirements and voltage/capacitance tolerances.
Works With
- Standard PCB assembly processes (wave solder, hand solder)
- 50V DC power distribution networks
- Analog and mixed-signal circuit designs
- Military and industrial certification frameworks (MIL-PRF-39018)







