UPZW6121MHD

The UPZW6121MHD is a radial-lead aluminum electrolytic capacitor from Nichicon’s UPZ series, offering 120 µF capacitance at a 420 V rating in a miniature, high-voltage package. It is designed for applications that require compact high-voltage energy storage and smoothing with defined ripple handling and long-term endurance.

Key characteristics include a wide operating temperature range of -40°C to 105°C, rated endurance of 2000 hours at 105°C, and a compact φ18 × 35.5 mm can with 7.5 mm lead spacing, making it suitable where board-level space and high-voltage performance must be balanced.

Key Features

• Capacitance and Voltage  120 µF nominal capacitance with a rated voltage of 420 V, suitable for high-voltage smoothing and energy storage tasks.
• Capacitance Tolerance  Specification of -20% to +20% at 120 Hz, 20°C for predictable circuit design.
• Ripple Current Handling  Rated low-frequency ripple current 660 mA at 120 Hz and high-frequency ripple current 990 mA at 10 kHz, enabling effective ripple suppression across a broad frequency range.
• Loss Performance  tan δ (DF) of 0.20 measured at 20°C, 120 Hz, matching high-voltage, miniature design targets.
• Leakage Current  Specified leakage current of 2116 µA (measured at product conditions), useful for system-level leakage budgeting.
• Endurance and Reliability  Rated for 2000 hours at 105°C with defined limits on capacitance change, tan δ, and leakage after endurance testing.
• Package and Mounting  Radial lead configuration in a φ18 × 35.5 mm can with 7.5 mm lead spacing (±0.5 mm), available in bulk or bag packing for through-hole assembly processes.
• Operating Temperature  Wide operating range from -40°C to 105°C to accommodate varied thermal environments.

Typical Applications

• High-Voltage Power Supplies  Used for DC link smoothing and bulk energy storage in high-voltage power supply stages thanks to its 420 V rating and 120 µF capacitance.
• Switch-Mode Power Converters  Suitable for ripple filtering and decoupling in switch-mode converters where elevated ripple currents occur across a range of frequencies.
• Industrial Electronics  Applicable in industrial control and power electronics where extended endurance at elevated temperature (2000 h at 105°C) and wide ambient temperature range are required.
• Energy Storage and Smoothing  Compact high-voltage capacitance in a radial can for local energy buffering and transient suppression on PCBs.

Unique Advantages

• Compact high-voltage solution: Provides 120 µF at 420 V in a φ18 × 35.5 mm can, enabling space-efficient high-voltage designs.
• Broad ripple-frequency capability: Defined ripple ratings at 120 Hz (660 mA) and 10 kHz (990 mA) support effective suppression across low and high frequency components.
• Designed for elevated-temperature endurance: Rated 2000 hours at 105°C with controlled limits on capacitance change and leakage for predictable life performance.
• Radial-lead mounting: Through-hole radial leads and 7.5 mm lead spacing simplify assembly in conventional PCB workflows and prototyping.
• Measurable leakage specification: Leakage current specified at 2116 µA for system leakage budgeting and compliance with design targets.
• Consistent dissipation factor: tan δ specified at 0.20 (20°C, 120 Hz) for predictable AC loss behavior in high-voltage applications.

Why Choose UPZW6121MHD?

UPZW6121MHD combines a high-voltage 420 V rating with 120 µF capacitance in a compact radial-can package, delivering a practical balance of energy density and thermal endurance for high-voltage smoothing, filtering, and local energy storage. Its specified ripple current ratings and defined leakage and dissipation characteristics make it straightforward to integrate into power supply and industrial designs where predictable behavior is required.

This capacitor is well suited for engineers and procurement teams designing high-voltage power stages, switch-mode converters, and industrial electronics that need a compact, long-life electrolytic solution with clear electrical and thermal specifications from a known series.

Request a quote or submit a procurement inquiry for UPZW6121MHD to receive pricing and availability information for your project.