Name: SR1-1206-439 RES 390K OHM 5% 1/4W 1206
Brand: NTE Electronics, Inc
SKU: SR1-1206-439
Price: 0.02 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 Number of Terminations

Accepted Answer

“Number of Terminations” refers to the total count of physical positions on a connector, terminal block, or electrical splice that are available for independently terminating a wire or cable (e.g., by crimping, soldering, screw clamping). It directly defi

Question 5

What is the Supplier Device Package

Accepted Answer

Supplier Device Package refers to the specific nomenclature or code used by a component manufacturer or distributor (supplier) to designate the physical outline and pin arrangement of an electronic component they produce or sell.

Question 6

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 7

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 8

What is the Composition

Accepted Answer

Composition refers to the specific chemical makeup or material formulation of a component's core functional element, such as the resistive film in a resistor, the dielectric in a capacitor, or the semiconductor compound in a transistor. It is a fundamenta

Question 9

What is the Temperature Coefficient

Accepted Answer

A dimensionless parameter, typically expressed in parts per million per degree Celsius (ppm/°C), that quantifies the rate of change of a component's primary electrical characteristic (e.g., resistance, capacitance) with temperature. It defines the compone

Question 10

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 11

What is the Resistance

Accepted Answer

A fundamental property of materials that impedes the flow of electric current, measured in Ohms (Ω). It is a core parameter used to limit current, divide voltage, dissipate power as heat, and set time constants in RC circuits. Its value is determined by t

Question 12

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 13

What is the Power (Watts)

Accepted Answer

This parameter quantifies the rate of energy transfer or conversion within an electronic component or system, measured in Watts (W). It defines the maximum continuous power a device can safely dissipate as heat or deliver to a load, serving as the primary

Question 14

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 15

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 16

What is the Features

Accepted Answer

These are the additional, non-core capabilities or characteristics integrated into a component beyond its primary function. They enhance performance, reliability, or ease of use, such as built-in protection (thermal shutdown, overcurrent), enable/disable

Question 17

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

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