Name: UCY2E390MPD CAP ALUM 39UF 20% 250V RADIAL
Brand: Nichicon
SKU: UCY2E390MPD
Price: 0.60238 USD
Availability: InStock
Rating: 4.9 (2 reviews)

Question 1

What is the Mfr

Accepted Answer

Mfr refers to the component's producing company, whose brand and manufacturing processes directly impact the component's performance, consistency, and traceability, making it a key reference during selection.

Question 2

What is the Series

Accepted Answer

Series indicates a manufacturer’s organized range of components, often named with a common prefix or code, to streamline product selection and ensure compatibility across similar models.

Question 3

What is the Package

Accepted Answer

his term denotes the protective casing (often made of plastic, ceramic, or metal) that encapsulates an integrated circuit, determining its size, reliability, and suitability for different mounting technologies like through-hole or SMT.

Question 4

What is the Height - Seated (Max)

Accepted Answer

This parameter specifies the maximum vertical dimension from the mounting surface (e.g., PCB) to the highest point of a component when it is fully seated and soldered in place. It is a critical mechanical clearance specification for determining the minimu

Question 5

What is the Package / Case

Accepted Answer

Package / Case refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

Question 6

What is the Product Status

Accepted Answer

Product Status indicates the commercial availability and production stage of the component, such as Active, Not for New Design (NRND), Obsolete, or Last Time Buy (LTB).

Question 7

What is the Capacitance

Accepted Answer

A measure of a component's ability to store electrical charge, defined as the ratio of stored charge (Q) to applied voltage (V), with the base unit of the Farad (F). It is a fundamental property of capacitors, which are used for energy storage, filtering,

Question 8

What is the Voltage - Rated

Accepted Answer

This parameter specifies the maximum continuous operating potential difference, either AC or DC, that a component, device, or insulating material is designed to withstand without risk of dielectric breakdown, performance degradation, or safety hazard. It

Question 9

What is the Ripple Current @ Low Frequency

Accepted Answer

The maximum permissible alternating current, typically specified at 120 Hz, that can flow through an electrolytic capacitor without exceeding its internal temperature limits. This rating is critical for sizing capacitors in power supply filtering applicat

Question 10

What is the Ripple Current @ High Frequency

Accepted Answer

It specifies the maximum allowable alternating current component, typically measured in milliamperes RMS (mA_RMS), that can be superimposed on the DC bias of a capacitor at a specified high frequency (e.g., 100 kHz). This parameter is critical f

Question 11

What is the Operating Temperature

Accepted Answer

The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the powe

Question 12

What is the Tolerance

Accepted Answer

Tolerance specifies the permissible deviation from a component's nominal value, expressed as a percentage or absolute unit. It defines the manufacturing precision and directly impacts circuit performance, stability, and yield. Tight tolerances are critica

Question 13

What is the Applications

Accepted Answer

This parameter describes the specific electronic systems, circuits, or end-use products for which a component is designed and validated. It guides engineers in selecting parts that are functionally appropriate, meet environmental and regulatory requiremen

Question 14

What is the Size / Dimension

Accepted Answer

This parameter specifies the physical measurements of a component, typically expressed as length, width, height, and/or diameter in millimeters or inches. It defines the component's spatial footprint, which is critical for mechanical integration, PCB layo

Question 15

What is the Lead Spacing

Accepted Answer

This parameter defines the center-to-center distance between adjacent component leads or terminals, typically measured in millimeters (mm) or inches (in). It is a critical mechanical dimension that determines the component's footprint on a PCB and must ma

Question 16

What is the Polarization

Accepted Answer

A design feature that ensures a connector or component can only be mated in the correct orientation, preventing damage from reverse insertion. It is typically implemented through asymmetrical keying, pin arrangements, or housing shapes. This is critical f

Question 17

What is the Mounting Type

Accepted Answer

Mounting Type refers to the standardized classification of the method by which an electronic component or module is physically secured and electrically connected to a printed circuit board, chassis, or panel. It defines how the component integrates into t

Question 18

What is the Ratings

Accepted Answer

Ratings specify the absolute maximum and recommended operating limits for electrical, thermal, and environmental conditions, such as voltage, current, power, and temperature. These parameters define the safe operational boundaries and long-term reliabilit

Question 19

What is the ESR (Equivalent Series Resistance)

Accepted Answer

A measure of the total effective series resistance within a capacitor, primarily contributed by its dielectric losses, electrode resistance, and terminal leads. It is a critical loss parameter, expressed in milliohms (mΩ) or ohms (Ω), that directly impact

Question 20

What is the Lifetime @ Temp.

Accepted Answer

This parameter specifies the expected operational duration, typically in hours, that a component (such as an electrolytic capacitor or LED) can maintain its specified performance when continuously operated at a declared ambient temperature. It is a key re

Question 21

What is the Surface Mount Land Size

Accepted Answer

This parameter defines the recommended copper pad geometry (length and width) on a PCB for soldering a surface-mount component. It ensures proper solder joint formation, mechanical strength, and thermal relief by providing an optimal balance between compo

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