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Ⅰ.Overview of product

R75MI33305040J is a radial through-hole metallized polypropylene film capacitor manufactured by KEMET. It provides stable electrical performance and reliable operation for general industrial and consumer electronic circuits.

Ⅱ.Core parameter

Category:Capacitors,Film Capacitors

Mfr:KEMET

Series:R75

Packaging:Bulk

Part Status:Active

Capacitance:0.33 µF

Tolerance:±5%

Voltage Rating - AC:220V

Voltage Rating - DC:400V

Dielectric Material:Polypropylene (PP), Metallized

ESR (Equivalent Series Resistance):14.5 mOhms

Operating Temperature:-55°C ~ 105°C

Mounting Type:Through Hole

Package / Case:Radial

Size / Dimension:0.709" L x 0.335" W (18.00mm x 8.50mm)

Height - Seated (Max):0.575" (14.60mm)

Termination:PC Pins

Lead Spacing:0.591" (15.00mm)

Ⅲ.Main characteristics

Polypropylene Dielectric:Uses metallized polypropylene (PP) dielectric, offering high insulation resistance and low self-heating for long-term stability.

Low ESR:Features an ESR of only 14.5 mOhms, supporting efficient energy transfer and low power loss in high‑frequency circuits.

High Voltage Rating:Supports 220V AC and 400V DC ratings, suitable for AC line and DC bus applications in power systems.

Precise Tolerance:Provides ±5% capacitance tolerance, ensuring accurate performance in precision analog and filtering circuits.

Through-Hole Design:Radial through-hole construction with PC pins ensures strong mechanical attachment and easy soldering.

Bulk Packaging:Supplied in bulk packaging,ideal for manual assembly and small‑batch production processing.

Ⅳ.Application field

AC Line Filtering:Used in household appliance power input filters to suppress electromagnetic interference from the AC mains.

Switching Power Supply:Applied in the snubber and resonant circuits of AC‑DC adapters to reduce voltage spikes and improve efficiency.

LED Driver Circuit:Used in LED lighting drivers to stabilize voltage and reduce ripple for consistent brightness.

Motor Control Module:Installed in small household fan and pump motor drivers to absorb surge voltage and protect winding coils.

Audio Equipment:Used in audio crossover and signal circuits for low distortion and clear sound reproduction.

Industrial Controller:Used in I/O interface circuits of small industrial controllers to improve noise immunity.

Ⅴ.Summary

R75MI33305040J is a stable and reliable metallized polypropylene film capacitor with low ESR,high voltage capability,and wide operating temperature range.It is widely used in power supply,lighting, motor control, and audio applications, providing consistent performance for through-hole electronic designs.