PCA1H121MCL1GS

CAP ALUM POLY 120UF ±20% 50V SMD
Part Description

120 µF 50 V ±20% Polymer Aluminum Capacitor, SMD

Quantity 552 Available (as of November 3, 2026)
Product CategoryAluminum - Polymer Capacitors
Part SeriesPCA
ManufacturerNichicon
Manufacturing StatusMass Production
Manufacturer Standard Lead TimeContact Us
Datasheet

Specifications & Environmental

ApplicationsAutomotive, High Temperature ReflowCapacitance120 µFECCNEAR99
ESR25 mOhm @ 100 kHzHeight Seated (Max)1.05 cmHTS Code8532.22.0020
ImpedanceN/ALead SpacingN/ALifetime @ Temp4000 h @ 125°C
Moisture Sensitivity LevelN/AMounting MethodSurface MountOperating Temperature-55°C - 125°C
Package / CaseRadial, Can - SMDPolarizationPolarRatingsAEC-Q200
REACH ComplianceREACH AffectedRipple Current High Frequency4.3 A @ 100 kHzRipple Current Low Frequency2.15 A @ 120 Hz
RoHS ComplianceCompliantSize / Dimension10 x 10 mmSurface Mount Land Size10.3 x 10.3 mm
Tolerance-20%~20%Voltage50 V

Overview of PCA1H121MCL1GS – High‑Reliability SMD Aluminum Electrolytic Capacitor, 120 µF / 50 V

The PCA1H121MCL1GS is a conductive polymer aluminum solid electrolytic chip capacitor engineered for high-reliability applications. It delivers low ESR and high ripple-current capability in a compact surface-mount radial can package.

Designed for demanding thermal and electrical environments, the device offers a 120 µF capacitance at 50 V, an operating temperature range of -55 °C to +125 °C, and a rated life of 4000 hours at 125 °C with AEC‑Q200 compliance and RoHS conformance.

Key Features

  • Capacitance & Voltage — 120 μF nominal capacitance with a 50 V rated voltage and ±20% tolerance, suited for bulk decoupling and energy storage in compact designs.
  • Low ESR and High Ripple Handling — ESR specified at 25 mΩ (100 kHz) with ripple current ratings of 2.15 A at 120 Hz and 4.3 A at 100 kHz, supporting high-frequency power stages and heavy ripple environments.
  • High‑Temperature Endurance — Long life specification of 4000 hours at 125 °C; endurance test limits include capacitance change and ESR retention as defined in the series datasheet.
  • Wide Temperature Range — Operating range from -55 °C to +125 °C with impedance stability (Z(+125 °C)/Z(+20 °C) and Z(-55 °C)/Z(+20 °C) ≤ 1.25 at 100 kHz) for consistent performance across temperature extremes.
  • SMD Package & Reflow Ready — Surface-mount radial can (chip type) package sized 10 mm × 10 mm with lead‑free reflow compatibility to a 260 °C peak (reflow allowed up to two cycles within spec).
  • Qualification & Compliance — AEC‑Q200 compliant and RoHS directive (2011/65/EU, (EU)2015/863) conformant for regulated markets and reliability-focused applications.

Typical Applications

  • Automotive electronics — AEC‑Q200 compliance and a -55 °C to +125 °C range make this capacitor suitable for vehicle electronic modules that require stable filtering and energy buffering under temperature stress.
  • High-frequency power supplies — Low ESR and a 4.3 A ripple current rating at 100 kHz support smoothing and decoupling in DC‑DC converters and switching regulator outputs.
  • Harsh-environment systems — The long-life 4000-hour rating at 125 °C and robust endurance/ humidity performance enable use in industrial and temperature-challenged electronics.
  • Compact SMD power modules — The 10 mm × 10 mm surface-mount radial can offers high capacitance density for space-constrained power and control boards.

Unique Advantages

  • High ripple tolerance: Low ESR (25 mΩ at 100 kHz) combined with specified ripple currents reduces temperature rise and improves reliability in high-frequency converters.
  • Designed for elevated temperatures: 4000 hours at 125 °C endurance rating provides predictable lifetime performance in high-temperature applications.
  • Automotive-grade qualification: AEC‑Q200 compliance supports integration into vehicle electronics where component-level qualification is required.
  • Reflow-compatible SMD form factor: Lead‑free reflow soldering to a 260 °C peak simplifies assembly into modern surface-mount production flows.
  • RoHS compliant: Meets RoHS (2011/65/EU, (EU)2015/863) requirements for restricted substances, aiding regulatory compliance for products sold in regulated regions.

Why Choose PCA1H121MCL1GS?

PCA1H121MCL1GS positions itself as a reliable, high-performance solution for designers needing low ESR, high ripple handling, and extended high-temperature life in a compact SMD package. Its combination of AEC‑Q200 qualification, broad operating temperature range, and reflow compatibility make it appropriate for robust automotive and industrial power designs.

This capacitor is well suited for engineers targeting long-term stability and predictable end-of-life behaviour in high-stress electrical and thermal environments, reducing risk and simplifying BOM selection for critical power delivery functions.

Request a quote or contact sales to discuss availability, lead times and integration support for PCA1H121MCL1GS.

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