Name: SPD2-550-2P0-R SPD MOD 2P+0 550VAC TYPE 1+2
Brand: Littelfuse Inc.
SKU: SPD2-550-2P0-R
Price: 119.44 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 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 5

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 6

What is the Number of Poles

Accepted Answer

It specifies the count of completely isolated and independently switchable electrical circuits within a single mechanical actuator of a switch, relay, or circuit breaker. For example, a single-pole (SP) device controls one circuit, while a double-pole (DP

Question 7

What is the Voltage - Continuous Operating (Max) (MCOV)

Accepted Answer

This parameter specifies the maximum root-mean-square (RMS) voltage that can be applied continuously across a component, such as a varistor or capacitor, without causing degradation or exceeding its designed endurance limits. It defines the safe, long-ter

Question 8

What is the Current - Discharge (Nom) (8/20µS)

Accepted Answer

This parameter specifies the nominal peak current a surge protection device (SPD), such as a metal oxide varistor (MOV) or gas discharge tube (GDT), can withstand when subjected to a standardized 8/20 microsecond current impulse waveform. The 8/20µS shape

Question 9

What is the Current - Discharge (Max) (8/20µS)

Accepted Answer

This parameter specifies the maximum peak current a surge protection device (like a MOV or TVS diode) can withstand from a standardized 8/20µs current impulse waveform without failure. The 8/20µs wave (8µs rise time to peak, 20µs decay to half-value) simu

Question 10

What is the Current - Short Circuit Rating (SCRR)

Accepted Answer

This parameter specifies the maximum short-duration current a component, such as a fuse, circuit breaker, or transformer winding, can safely withstand without sustaining permanent damage during a fault condition. It is a critical safety rating that define

Question 11

What is the Voltage - Protection Rating (VPR)

Accepted Answer

A measure of a surge protection device's (SPD) ability to limit transient overvoltages, defined as the maximum voltage that appears across its terminals during a standardized impulse test (e.g., using a 1.2/50 µs combination wave). This rating, expressed

Question 12

What is the Voltage - Protection Level (VP) (2416)

Accepted Answer

This parameter specifies the maximum transient overvoltage, typically measured in Volts (V), that a protective component (like a TVS diode or varistor) can safely clamp and divert to ground without failing. It defines the device's ability to safeguard dow

Question 13

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 14

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 15

What is the Approval Agency

Accepted Answer

A designated organization that validates a component's compliance with specific safety, performance, or environmental standards (e.g., UL, CE, CSA). This certification is a mandatory requirement for market access, ensuring the product meets regional regul

Question 16

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 17

What is the Form

Accepted Answer

The physical shape, dimensions, and mechanical outline of an electronic component's package, which dictates its mounting method, spatial footprint on a PCB, and compatibility with sockets or heatsinks. It is a primary identifier for mechanical integration

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