Matsuo Tantalum Capacitor 33uF 25V

The Matsuo Tantalum Capacitor 33uF 25V belongs to the series of solid tantalum capacitors encapsulated in fireproof epoxy resin. Manufactured by Matsuo Electric Co., Ltd. in Japan, these components are recognized worldwide for their long life and excellent performance at high frequencies compared to aluminum electrolytic capacitors. Being New Old Stockthey retain the robust manufacturing specifications of the golden age of Japanese electronics.

Technical Specifications Matsuo Tantalum Capacitor 33uF 25V

• Capacitance: 33 µF (Microfarads).

• Nominal Voltage (VDC): 25V.

• Tolerance: ±20% (Standard for 202/221 series).

• Dielectric Type: Tantalum pentoxide (Ta2O5 Ta2€‹O5€‹).

• Format: Radial (Drop Type / Resin Dipped).

• Temperature range: -55°C to +85°C (up to +125°C with voltage reduction).

• Leakage Current: Ultra low, typical of Matsuo standards ($0.01CV$o $0.5\mu A$whichever is greater).

• ESR (Equivalent Series Resistance): Very low, optimized for power supply filtering.

• Polarity: Marked with a “+” sign on the body of the component.

Manufacturer’s History: Matsuo Electric

Founded in 1949 in Osaka, JapanMatsuo Electric Co., Ltd. pioneered the development of solid tantalum capacitors. Their focus on miniaturization and reliability made them key suppliers to the aerospace, medical and professional audio industries. Matsuo components from the 1980s and 1990s are especially sought after today for their “overbuilt” internal construction.

Applications and Uses of Matsuo Tantalum Capacitor 33uF 25V

1. High-End Audio: Signal coupling and decoupling in preamplifiers (low noise).

2. Vintage restoration: Replacement of dry capacitors in mixing consoles and synthesizers (Roland, Korg, Yamaha).

3. Source filtering: Ripple stabilization on 12V and 15V lines.

4. Instrumentation: Measurement equipment where stability of capacitance versus time is critical.

(FAQ)

Why choose a Matsuo NOS capacitor over a modern one?
Japanese-made Matsuo NOS capacitors offer proven dielectric stability and mechanical robustness superior to many current low-cost versions. They are preferred by audiophiles for their neutral sonic “color”.

Is it safe to use an old tantalum capacitor?
Yes, as long as it is “New Old Stock” (never used) and voltage limits are respected. Unlike aluminum electrolytics, solid tantalum does not “dry out”, maintaining its properties for decades.

For which applications is 33uF 25V recommended?
It is ideal for ripple filtering in switching or linear power supplies up to 15V-18V (it is recommended to leave a safety margin of 30-50% in voltage for tantalum).