LKS1E183MESB

CAP ALUM 18000UF ±20% 25V SNAP-IN
Part Description

18000 µF 25 V ±20% Aluminum Electrolytic Capacitor, Snap-In

Quantity 1,057 Available (as of November 3, 2026)
Product CategoryAluminum Electrolytic Capacitors
Part SeriesLKS
ManufacturerNichicon
Manufacturing StatusEnd Of Life
Manufacturer Standard Lead TimeContact Us
Datasheet

Specifications & Environmental

ApplicationsGeneral PurposeCapacitance18 mFECCNEAR99
ESRN/AHeight Seated (Max)3.7 cmHTS Code8532.22.0040
ImpedanceN/ALead SpacingN/ALifetime @ Temp1000 h @ 85°C
Moisture Sensitivity LevelN/AMounting MethodSnap InOperating Temperature-40°C - 85°C
Package / CaseRadial, Can - Snap-InPolarizationPolarRatingsN/A
REACH ComplianceREACH UnaffectedRipple Current High FrequencyN/ARipple Current Low Frequency3.35 A @ 120 Hz
RoHS ComplianceCompliantSize / Dimension35 x 30 mmSurface Mount Land SizeN/A
Tolerance-20%~20%Voltage25 V

Overview of LKS1E183MESB – Snap-in Aluminum Electrolytic Capacitor (Audio, Smaller-sized)

The LKS1E183MESB is an aluminum electrolytic capacitor from Nichicon’s LKS series, featuring a snap-in terminal, radial can package optimized for audio equipment and other general-purpose applications. It is a polarized, high-capacitance component intended as a smaller-sized upgrade from standard products to influence tone quality in audio designs.

Key electrical and environmental parameters include a capacitance of 18 mF at 25 V, RoHS compliance, an operating temperature range of −40 °C to +85 °C, and a defined 1000-hour endurance at 85 °C.

Key Features

  • Capacitance & Voltage — 18 mF nominal capacitance rated at 25 V with ±20% tolerance (measured at 120 Hz, 20 °C).
  • Polarized Energy Storage — Polar construction suited for DC circuitry and power-filtering roles in audio and general-purpose equipment.
  • Snap‑in Mounting / Package — Radial, can-type snap-in package for secure PCB mounting and mechanical stability in chassis-mounted audio assemblies.
  • Operating Range & Endurance — Rated for −40 °C to +85 °C with an endurance specification of 1000 hours at 85 °C.
  • Ripple Handling — Rated ripple current of 3.35 A at 120 Hz, useful for handling low-frequency ripple in power supply stages.
  • Leakage and Loss Characteristics — Series leakage current specification and tan δ measurement referenced at 120 Hz, 20 °C (leakage current limit per series formula: ≤ 3√CV μA after 5 minutes at rated voltage).
  • Compact Footprint — Physical size L: 3.5 × D: 3 cm (compact, smaller-sized option within the LKS family).
  • Regulatory Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

  • Audio Equipment — Used in amplifier and power-supply circuits where replacing smaller standard capacitors can produce an audible tone-quality effect.
  • Power Supply Filtering — Bulk energy storage and low-frequency ripple smoothing in DC power rails for consumer and professional audio electronics.
  • General Purpose Electronics — Suitable for general-purpose power conditioning where a polarized, high-capacitance, snap-in capacitor is required.

Unique Advantages

  • Designed for tonal improvement: Specifically noted as providing a tone-quality effect when used as a replacement for smaller standard parts within audio equipment.
  • High capacitance in a compact can: 18 mF at 25 V delivers substantial energy storage in a smaller-sized radial snap-in package.
  • Robust ripple capability: 3.35 A ripple current rating at 120 Hz supports low-frequency power-conditioning demands in audio power supplies.
  • Temperature and endurance specification: −40 °C to +85 °C operating range with 1000 h endurance at 85 °C for predictable lifetime performance.
  • RoHS compliant: Meets RoHS requirements for restricted substances, simplifying regulatory compliance in product builds.
  • Secure snap-in mounting: Radial snap-in terminals provide stable mechanical retention for through‑hole PCB and chassis installations.

Why Choose LKS1E183MESB?

The LKS1E183MESB positions itself as a practical, specification-driven choice for designers who need a high-capacitance, snap-in aluminum electrolytic capacitor tailored for audio and general-purpose power applications. With 18 mF at 25 V, defined ripple current capability, broad operating temperature, and a 1000-hour endurance rating at 85 °C, it offers a balance of energy storage and reliability for DC power rails.

This part is appropriate for engineers seeking a smaller-sized LKS-series solution that preserves mechanical stability and regulatory compliance while providing the electrical characteristics required in audio amplifier and power-filtering designs.

To request a quote, check availability, or get pricing information for the LKS1E183MESB, please submit a quote request or contact sales for assistance.

Request a Quote

















    No file selected



    Our team will respond within 24 hours.


    I agree to receive newsletters and promotional emails. I can unsubscribe at any time.

    Certifications and Membership
    NQA AS9100 CMYK ANAB
    NQA AS9100 ANAB Badge
    ESD2020 Badge
    ESD2020 Association Badge
    GIDEP Badge
    GIDEP Badge
    Suntsu ERAI MemberVerification
    Suntsu ERAI Member Verification
    Available Shipping Methods
    FedEx
    UPS
    DHL
    Accepted Payment Methods
    American Express
    American Express
    Discover
    Discover
    MasterCard
    MasterCard
    Visa
    Visa
    UnionPay
    UnionPay

    Date Founded: 1950


    Headquarters: Nakagyo, Kyoto, Japan


    Employees: 5,000+


    Revenue: $1.2 Billion


    Certifications and Memberships: ISO9001:2015, IATF16949:2016


    Featured Products
    Latest News
    keyboard_arrow_up