Overview
The Mallory 03193890 Type FP capacitor is a single-section aluminum electrolytic component with a capacitance of 400 microfarads (MFD) and a voltage rating of 150 volts direct current (VDC). The demand for Mallory replacements is concentrated in vintage audio and radio restoration, making this unit a sought-after original component for technicians and enthusiasts maintaining legacy equipment.
Key Features
- Capacitance: 400 microfarads (400 µF)
- Voltage Rating: 150 volts DC
- Type: Aluminum electrolytic, metal-can construction
- Series: Mallory FP (twist-lock style)
- Application: Vintage audio, radio, industrial, and commercial equipment
- Condition: New, no original box
Technical Specifications
Electrical: 400 µF @ 150 VDC | Dielectric: Aluminum oxide | Terminal Type: Twist-lock/solder tabs | Series Code: FP | Manufacturing Era: Mid-to-late 20th century
Typical Applications
- Vintage tube amplifiers and audio receivers
- Antique radio restoration projects
- Industrial control systems and motor starting circuits
- Power supply filtering and smoothing
- Legacy electronic test equipment
- Vintage television and video equipment restoration
Compatibility & Replacements
Compatible With
- Vintage tube audio equipment (amplifiers, preamps, tuners)
- Antique AM/FM radio receivers
- Industrial control panels and legacy PLC systems
- 1950s–1970s commercial electronics and appliances
- Power supply circuits requiring high-capacitance filtering at moderate voltage
Replaces / Drop-In Replacement For
Mallory FP series replaces TVl, PEI, AA, BB, CC and DO series with matching capacitance and voltage ratings. For the 400 µF @ 150V rating, verify the original part number before substituting. If an exact Mallory replacement is unavailable, modern equivalents from KEMET, Nichicon, or Cornell Dubilier can be cross-referenced by matching capacitance, voltage, ESR, and case dimensions.
Works With
- Vintage amplifier and receiver schematics requiring 400 µF filter capacitors
- Power supply design and restoration documentation from the 1950s–1980s era
- Capacitor cross-reference guides and equivalency databases
- Restoration repair manuals for tube audio equipment and antique radio






