LKS1H392MESC

CAP ALUM 3900UF ±20% 50V SNAP-IN
Part Description

3900 µF 50 V ±20% Aluminum Electrolytic Capacitor, Snap-In

Quantity 1,937 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 PurposeCapacitance3.9 mFECCNEAR99
ESRN/AHeight Seated (Max)2.2 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 Frequency2.3 A @ 120 Hz
RoHS ComplianceCompliantSize / Dimension20 x 35 mmSurface Mount Land SizeN/A
Tolerance-20%~20%Voltage50 V

Overview of LKS1H392MESC – Snap-in Aluminum Electrolytic Capacitor, 3.9 mF / 50 V

The LKS1H392MESC is a snap-in terminal aluminum electrolytic capacitor designed for audio equipment and general-purpose applications. It is a smaller-sized, polarized radial can with snap-in mounting that is intended to offer a tone-quality improvement when replacing a small standard product.

Key electrical and reliability characteristics include a rated capacitance of 3.9 mF at 50 V, ±20% tolerance, RoHS compliance, an operating temperature range of −40°C to +85°C, and a specified endurance of 1000 hours at 85°C.

Key Features

  • Core Electrical — Rated capacitance 3.9 mF and rated voltage 50 V with a tolerance of ±20% for bulk energy storage and filtering.
  • Package & Mounting — Radial, can-type snap-in package with snap-in terminals for secure board retention and ease of assembly.
  • Audio‑Oriented Design — Marketed specifically for audio equipment; recommended as a replacement from small standard products to help improve tone quality in audio circuits.
  • Ripple Handling — Rated ripple current of 2.3 A at 120 Hz to support power filtering in low-frequency audio power supplies.
  • Temperature & Lifetime — Operating range −40°C to +85°C and endurance rating of 1000 hours at 85°C to address long-term performance under elevated temperature conditions.
  • Environmental Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

  • Audio Equipment — Replacement and upgrade use in audio power stages and signal chains to improve perceived tone quality.
  • Power Supply Filtering — Bulk decoupling and smoothing in low-frequency power supplies where snap-in mounting is preferred.
  • General Purpose Electronics — Polarized capacitor for general-purpose filtering and energy storage in consumer and professional equipment.

Unique Advantages

  • Audio-focused specification: Presented specifically for audio equipment, enabling targeted replacement of small standard parts to influence tone quality.
  • Snap-in convenience: Snap-in terminals provide robust board retention and simplified assembly for through-hole production environments.
  • High ripple capability for size: 2.3 A ripple current at 120 Hz supports effective filtering in audio power circuits.
  • Broad temperature range: −40°C to +85°C rated operation allows use across a wide range of ambient conditions.
  • Verified endurance: 1000-hour rating at 85°C gives a measurable baseline for long-term performance and reliability planning.
  • RoHS compliance: Meets current RoHS directive requirements for environmentally conscious designs.

Why Choose LKS1H392MESC?

The LKS1H392MESC combines a compact snap-in aluminum electrolytic package with electrical and reliability characteristics suited for audio and general-purpose filtering tasks. With a 3.9 mF, 50 V rating, defined ripple current capability, and a tested 1000-hour endurance at 85°C, it is positioned for designs that require stable bulk capacitance and straightforward assembly.

This part is appropriate for engineers and procurement specialists specifying replacement or upgrade capacitors in consumer and professional audio equipment and other general electronic applications where polarized, snap-in capacitors are preferred and RoHS compliance is required.

Request a quote or submit an inquiry to receive pricing, availability, and lead-time information for the LKS1H392MESC.

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    Date Founded: 1950


    Headquarters: Nakagyo, Kyoto, Japan


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