Name: 1939303 TERM BLOCK HDR 8POS 90DEG 2.5MM
Brand: Phoenix Contact
SKU: 1939303
Price: 2.808 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 Positions Per Level

Accepted Answer

Positions Per Level refers to the number of distinct, selectable contact points or detent stops available within a single layer, stage, or deck of a multi-level switching or selecting component (e.g., a rotary switch), with the unit being “positions” (e.g

Question 5

What is the Contact Material

Accepted Answer

Contact Material refers to the specific metal or alloy used at the interface where two conductors meet to establish an electrical path in connectors, switches, or relays. Its core properties include conductivity (affecting contact resistance), hardness (a

Question 6

What is the Screw Size

Accepted Answer

Screw Size refers to the key geometric parameters of a standardized screw that ensure interchangeability and assembly function, primarily including nominal diameter, pitch (or threads per inch), and nominal length, with base units of millimeters (mm) or i

Question 7

What is the Header Orientation

Accepted Answer

Header Orientation refers to the spatial direction of a header or socket connector's pin rows or interface opening relative to the PCB plane or a designated reference edge when mounted. Common orientations include Vertical (perpendicular to the PCB), Righ

Question 8

What is the Plug Wire Entry

Accepted Answer

Plug Wire Entry refers to the opening and internal channel structure on a connector plug housing specifically designed for introducing and securing an external cable or wire.

Question 9

What is the Housing Material

Accepted Answer

Housing Material refers to the primary substance forming the external protective enclosure of a component, such as plastic, metal, or composite material.

Question 10

What is the Torque - Screw

Accepted Answer

This parameter specifies the rotational force, measured in Newton-meters (N·m) or inch-pounds (in·lb), required to tighten a screw or bolt to achieve a secure mechanical and electrical connection. It is critical for ensuring proper contact pressure, preve

Question 11

What is the Type

Accepted Answer

This parameter categorizes a component based on its fundamental operating principle, internal structure, or primary application domain. It serves as the highest-level identifier, grouping devices with shared core characteristics—such as "N-Channel MOSFET,

Question 12

What is the Contact Mating Finish

Accepted Answer

This specification defines the surface coating applied to the electrical contact areas of a connector's pins or sockets. Its primary functions are to ensure low and stable contact resistance, prevent oxidation and corrosion of the base metal, and enhance

Question 13

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 14

What is the Wire Strip Length

Accepted Answer

The axial distance of bare conductor exposed after the insulation is removed from a wire's end, typically measured in millimeters (mm) or inches (in). This dimension is critical for ensuring a reliable electrical and mechanical connection, as it must be s

Question 15

What is the Contact Tail Length

Accepted Answer

This parameter specifies the axial dimension of the portion of a connector's contact that extends beyond the insulator body or housing, designed for attachment to a printed circuit board. It is a critical mechanical specification that determines the requi

Question 16

What is the Insulation Height

Accepted Answer

This parameter specifies the vertical distance from the mounting surface (e.g., PCB) to the top of the insulating body of a component, such as a terminal block or connector. It defines the component's physical profile and the clearance required above the

Question 17

What is the Current - UL

Accepted Answer

This parameter specifies the maximum continuous current rating certified by Underwriters Laboratories (UL) for a component, such as a wire, connector, or terminal block. It is a critical safety rating that defines the safe operational limit under defined

Question 18

What is the Voltage - IEC

Accepted Answer

This parameter specifies the maximum AC or DC voltage a component is rated to withstand according to International Electrotechnical Commission (IEC) standards. It defines the safe operational boundary for insulation, creepage, and clearance under standard

Question 19

What is the Voltage - UL

Accepted Answer

This parameter specifies the maximum AC or DC voltage that a component or device is certified to safely withstand by Underwriters Laboratories (UL), a globally recognized safety standards organization. The rating, expressed in volts (V), is a critical saf

Question 20

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 21

What is the Termination Style

Accepted Answer

This parameter specifies the physical form and connection method of a component's leads or contacts, such as through-hole, surface-mount, screw terminal, or quick-connect. It defines the required assembly process (e.g., soldering, clamping) and is critica

Question 22

What is the Color

Accepted Answer

A visual attribute determined by the wavelength of light reflected or emitted, used for rapid identification, polarity marking, functional grouping (e.g., resistor bands, LED emission, wire jackets), and status indication of components within a system.

Question 23

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 24

What is the Ingress Protection

Accepted Answer

A standardized rating system (IEC 60529) that classifies the degree of protection provided by an enclosure against the intrusion of solid objects (first digit) and liquids (second digit). It quantifies resistance to dust, accidental contact, and water ing

Question 25

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 26

What is the Number of Positions

Accepted Answer

It specifies the total count of individual, electrically distinct connection points or terminals available within a single connector, switch, relay, or terminal block. This fundamental parameter defines the component's capacity for establishing independen

Question 27

What is the Pitch

Accepted Answer

The nominal center-to-center distance between adjacent pins, pads, or contacts on a component, connector, or across a PCB. Measured in millimeters or inches, it is a fundamental dimensional parameter that dictates component footprint, PCB trace routing de

Question 28

What is the Material Flammability Rating

Accepted Answer

A flammability classification for the insulating or housing material of a component, indicating its resistance to ignition and flame propagation when exposed to a standardized ignition source. Common rating systems include UL 94 (e.g., V-0, V-1, HB) and I

Question 29

What is the Current - IEC

Accepted Answer

Specifies the maximum continuous current rating of a component, such as a circuit breaker, fuse, or connector, as defined by the International Electrotechnical Commission (IEC) standards. This standardized rating ensures global consistency in safety, perf

Question 30

What is the Number of Levels

Accepted Answer

This parameter specifies the total count of distinct, independently selectable layers, decks, or stages within a multi-level switching or selecting component, such as a rotary switch or a multi-deck connector. It defines the component's functional complex

Question 31

What is the Wire Gauge or Range - AWG

Accepted Answer

This parameter specifies the acceptable cross-sectional area of a conductor that can be securely terminated to a component's terminal, such as a connector, terminal block, or screw terminal. It is defined using the American Wire Gauge (AWG) standard, wher

Question 32

What is the Wire Gauge or Range - mm²

Accepted Answer

Specifies the cross-sectional area of the conductor a terminal or connector is designed to accept, measured in square millimeters (mm²). This parameter directly determines the maximum current-carrying capacity and the physical compatibility with specific

Phoenix Contact 1939303

EDSTLZ990/17

EDSTLZ990/7

EDSTLZ990/2

EDSTLZ990/4

ED130/2DS

EDSTLZ990/8

EDSTLZ975/2

ED03-F.32P-ZB

EDSTL950/18

EDSTLZ990/14