RKS1V121MCNAJJGS

CAP ALUM POLY 120UF ±20% 35V SMD
Part Description

120 µF 35 V ±20% Polymer Aluminum Capacitor, SMD

Quantity 1,575 Available (as of November 3, 2026)
Product CategoryAluminum - Polymer Capacitors
Part SeriesRKS
ManufacturerNichicon
Manufacturing StatusMass Production
Manufacturer Standard Lead TimeContact Us
Datasheet

Specifications & Environmental

ApplicationsGeneral PurposeCapacitance120 µFECCNEAR99
ESR20 mOhm @ 100 kHzHeight Seated (Max)1.03 cmHTS Code8532.22.0020
ImpedanceN/ALead SpacingN/ALifetime @ Temp3000 h @ 125°C
Moisture Sensitivity LevelN/AMounting MethodSurface MountOperating Temperature-55°C - 125°C
Package / CaseRadial, Can - SMDPolarizationPolarRatingsN/A
REACH ComplianceREACH UnaffectedRipple Current High Frequency2 A @ 300 kHzRipple Current Low Frequency200 mA @ 120 Hz
RoHS ComplianceCompliantSize / Dimension10 x 10 mmSurface Mount Land SizeN/A
Tolerance-20%~20%Voltage35 V

Overview of RKS1V121MCNAJJGS – 120 µF, 35 V Surface‑Mount Conductive Polymer Aluminum Capacitor

The RKS1V121MCNAJJGS is a surface‑mount conductive polymer aluminum solid electrolytic capacitor offering 120 µF nominal capacitance at 35 V. It combines high capacitance density with low equivalent series resistance and long endurance for general‑purpose electronic designs.

Designed for SMD assembly, this part delivers low ESR (20 mΩ at 100 kHz), substantial high‑frequency ripple capability, and a wide operating temperature range of −55 °C to 125 °C, making it suitable where stable bulk capacitance and reliable thermal performance are required.

Key Features

  • Capacitance & Tolerance — 120 µF nominal with tolerance −20% to +20% (measured at 20 °C, 120 Hz).
  • Rated Voltage — 35 V DC rating suitable for many general‑purpose power and decoupling applications.
  • Low Loss & Low ESR — tan δ of 0.12 (20 °C, 120 Hz) and ESR of 20 mΩ measured at 100 kHz, supporting efficient high‑frequency performance.
  • Ripple Current Capability — 200 mA at 120 Hz (low frequency) and 2 A at 300 kHz (high frequency), enabling higher allowable ripple handling in compact SMD form.
  • Leakage Current — Specified leakage current of 210 µA after rated voltage application.
  • Endurance & Temperature Range — Rated life of 3000 hours at 125 °C; operating range from −55 °C to 125 °C for demanding thermal environments.
  • Package & Mounting — φ10 × 10L radial can in an SMD package suitable for automated placement; supplied in embossed carrier taping with moisture‑proof packing for production assembly.
  • RoHS Compliance — Manufactured to meet RoHS requirements.
  • Reflow Soldering — Compatible with lead‑free reflow peak temperatures up to 260 °C as specified for SMD processing.

Typical Applications

  • General‑purpose electronic equipment — Provides bulk capacitance and decoupling where a 120 µF, 35 V SMD solution with low ESR is needed.
  • Power filtering and smoothing — Supports AC‑to‑DC and DC‑DC stages that benefit from low loss and high ripple handling at both low and high frequencies.
  • Board‑level SMD assemblies — Supplied in embossed carrier taping and moisture‑proof packing for streamlined surface‑mount production.

Unique Advantages

  • High capacitance in an SMD can — 120 µF in a φ10 × 10L package provides substantial bulk capacitance while remaining compatible with automated SMT workflows.
  • Low ESR for efficient operation — 20 mΩ (100 kHz) ESR reduces power loss and improves performance in high‑frequency circuits.
  • Robust ripple handling — 2 A allowable ripple at high frequency and 200 mA at low frequency support demanding ripple conditions without compromising lifetime.
  • Extended high‑temperature life — 3000 hours at 125 °C supports reliability in thermally challenging environments.
  • Manufacturing‑friendly packaging — Embossed carrier taping and moisture‑proof packing simplify surface‑mount assembly and inventory handling.
  • Regulatory compliance — RoHS compliance for assemblies requiring lead‑free materials and processes.

Why Choose RKS1V121MCNAJJGS?

RKS1V121MCNAJJGS positions itself as a robust SMD capacitor for designers who need high capacitance, low ESR, and reliable long‑term performance in a compact package. With a 35 V rating, 120 µF capacitance, and endurance of 3000 hours at 125 °C, it suits general‑purpose designs that demand stable bulk capacitance and effective ripple suppression across a wide temperature range.

Engineers and procurement teams benefit from the combination of measurable electrical performance (tan δ, ESR, leakage current, and ripple ratings), RoHS compliance, and production‑ready packaging, backed by Nichicon series specifications for solid electrolytic conductive polymer capacitors.

If you would like pricing, lead‑time details, or a formal quote for RKS1V121MCNAJJGS, submit an inquiry or request a quote and our team will respond with the information you need.

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    Certifications and Membership
    NQA AS9100 CMYK ANAB
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    Date Founded: 1950


    Headquarters: Nakagyo, Kyoto, Japan


    Employees: 5,000+


    Revenue: $1.2 Billion


    Certifications and Memberships: ISO9001:2015, IATF16949:2016


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