MAL215976121E3

Ⅰ.Overview of MAL215976121E3

The MAL215976121E3 is a high-voltage aluminum electrolytic capacitor from Vishay’s 159 PUL-SI series, engineered for reliable energy storage and filtering in industrial, automotive, and consumer electronics applications. Its robust through-hole design and impressive electrical parameters make it suitable for demanding power management systems.

Ⅱ.MAL215976121E3 Parameter

Category:Capacitors,Aluminum Electrolytic Capacitors

Mfr:Vishay Beyschlag/Draloric/BC Components

Series:159 PUL-SI

Packaging:Bulk

Part Status:Active

Capacitance:120 µF

Tolerance:±20%

Voltage - Rated:400 V

ESR (Equivalent Series Resistance):1.6Ohm @ 100Hz

Lifetime @ Temp.:5000 Hrs @ 105°C

Operating Temperature:-25°C ~ 105°C

Ripple Current @ Low Frequency:760 mA @ 120 Hz

Impedance:1.1 Ohms

Lead Spacing:0.394" (10.00mm)

Size / Dimension:0.984" Dia (25.00mm)

Height - Seated (Max):1.260" (32.00mm)

Mounting Type:Through Hole

Package / Case:Radial, Can - Snap-In - 3 Lead

Ⅲ.MAL215976121E3 Main Characteristics

High Voltage Rating:400V rated voltage enables safe operation in high-power circuits, ideal for AC-DC converters and power supply units.

Ample Capacitance:120 µF capacitance provides effective energy storage and filtering, reducing voltage ripple in power management applications.

Reliable Longevity:5000-hour lifetime at 105°C ensures stable performance over extended service periods in harsh operating conditions.

Low Impedance & ESR:1.1 Ohms impedance and 1.6 Ohm ESR (at 100Hz) minimize energy loss and improve efficiency in high-current circuits.

Robust Through-Hole Mounting:Radial snap-in 3-lead design offers secure mechanical stability,suitable for vibration-prone environments.

Wide Operating Temperature Range:Functions from -25°C to 105°C, adapting to extreme temperature variations in automotive and industrial settings.

High Ripple Current Handling:760mA ripple current capacity (at 120Hz) supports continuous operation in high-load power applications without performance degradation.

Ⅳ.MAL215976121E3 Application 

Industrial Power Supplies:Input/output filtering in switch-mode power supplies (SMPS) for factory automation equipment and industrial control systems.

Automotive Electronics:Energy storage in electric vehicle (EV) on-board chargers, DC-DC converters, and powertrain control modules.

Renewable Energy Systems:DC-link filtering in solar inverters, wind turbine power converters, and battery energy storage systems.

Telecommunications Infrastructure:Power management in network base stations, server power supplies,and data center UPS (Uninterruptible Power Supply) systems.

Medical Equipment:Energy storage and filtering in diagnostic machines (e.g., ultrasound devices) and medical power supplies requiring stable voltage output.

Audio Equipment:Power supply filtering in high-fidelity amplifiers, professional audio mixers, and home theater systems to reduce noise interference.

Ⅴ.Conclusion

The MAL215976121E3 aluminum electrolytic capacitor combines high voltage tolerance, reliable performance, and robust construction, making it a versatile solution for power management, filtering, and energy storage across industrial, automotive, and consumer electronics applications.Its balanced electrical parameters and durable design ensure consistent operation in demanding environments.