URS1E332MHD

The URS1E332MHD is a radial-lead aluminum electrolytic capacitor from Nichicon’s URS series, offering 3300 µF capacitance at a 25 V rating in a compact, low-profile can (φ18 × 20 mm). It is designed for general-purpose use where high capacitance and reliable performance are required in a small footprint.

With a rated operating temperature range of −40 °C to 85 °C and an endurance rating of 2000 hours at 85 °C, this capacitor is suited for applications that demand sustained performance under elevated temperature and continuous ripple stress up to specified limits.

Key Features

• Capacitance & Tolerance — 3300 µF nominal capacitance with ±20% tolerance at 120 Hz, 20 °C, providing substantial bulk energy storage for smoothing and decoupling.
• Rated Voltage — 25 V DC rating appropriate for low-voltage power rails and power-supply filtering.
• Ripple Current Performance — Low-frequency ripple current 1.72 A (120 Hz) and high-frequency ripple current 1.978 A (10 kHz), enabling handling of continuous AC ripple within specified limits.
• Endurance at Elevated Temperature — Rated for 2000 hours at 85 °C with specified limits for capacitance change, tan δ, and leakage after test recovery to 20 °C.
• Wide Operating Temperature — Specified to operate from −40 °C to 85 °C for a range of ambient conditions.
• Leakage Current — Specified leakage current of 2475 µA (measured per product conditions), allowing designers to account for standby and bias currents.
• Package & Mounting — Radial-lead can package with φ18 × 20 mm dimensions, lead spacing 7.5 mm ±0.5 mm, for through-hole mounting and manual or automated insertion.
• Packaging Options — Available in Bulk (no terminal forming) or Bag packing to suit assembly and procurement preferences.

Typical Applications

• Power supply smoothing — Bulk energy storage and ripple smoothing on low-voltage DC rails up to 25 V.
• Decoupling and buffering — Local energy reservoir for circuits requiring high capacitance in a compact, radial-lead package.
• General-purpose electronics — Suitable for use in consumer, industrial, and other general-purpose electronic assemblies where a robust electrolytic solution is required.

Unique Advantages

• High capacitance in a compact envelope — 3300 µF in a φ18 × 20 mm can reduces board area compared to multiple smaller capacitors while preserving bulk capacitance.
• Specified ripple capability — Defined ripple ratings at 120 Hz and 10 kHz allow designers to size the capacitor against real ripple stress conditions.
• Engineered endurance — 2000-hour rating at 85 °C gives predictable life performance for sustained elevated-temperature applications.
• Wide operating temperature — −40 °C to 85 °C range supports a variety of ambient conditions without derating outside the specified limits.
• Through-hole radial-lead format — Simplifies prototyping, repair, and mounting in designs that require soldered leads or mechanical stability.
• Flexible supply options — Bulk or bag packing accommodates different assembly workflows and inventory handling.

Why Choose URS1E332MHD?

The URS1E332MHD combines high capacitance, defined ripple-current capability, and a compact low-profile radial can to address general-purpose power smoothing, decoupling, and energy-buffering needs. Its 25 V rating, 3300 µF capacitance, and endurance specification of 2000 hours at 85 °C provide predictable electrical and lifetime behavior for engineers specifying capacitors for sustained operation.

This part is appropriate for designs that require a robust, through-hole aluminum electrolytic capacitor with clear electrical specifications for capacitance, leakage, ripple, and temperature performance. The available packaging options and standard lead spacing make it straightforward to integrate into assembly processes and BOMs.

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