Name: L4938E
Brand: STMicroelectronics
Price: 67.36 USD
Availability: InStock
Rating: 5 (13 reviews)

Question 1

What is Surface Mount?

Accepted Answer

Surface mount technology (SMT) involves mounting electronic components directly onto the surface of a printed circuit board (PCB). This technique eliminates the need for drilling holes and allows for more compact and efficient designs.

Question 2

What is the Operating Temperature?

Accepted Answer

The operating temperature is the range of ambient temperatures within which a power supply, or any other electrical equipment, can operate reliably. This range spans from a minimum to a maximum temperature, outside of which the equipment may not function correctly.

Question 3

What is Packaging?

Accepted Answer

Semiconductor packaging refers to the protective shell that encases one or more semiconductor components or integrated circuits. The shell material can be metal, plastic, glass, or ceramic.

Question 4

What is Part Status?

Accepted Answer

Part status refers to the various stages a part goes through during its lifecycle, including configuration, analysis, review, and approval stages.

Question 5

What is Terminal Form?

Accepted Answer

Terminal form refers to the shape and configuration of the terminals of a component, which are designed for connection to a circuit.

Question 6

What is Terminal Pitch?

Accepted Answer

Terminal pitch is the center-to-center distance between adjacent terminals of a component.

Question 7

What is the Max Supply Voltage?

Accepted Answer

The maximum supply voltage is the highest voltage that can be safely applied to a device. Exceeding this voltage can result in damage or failure of the device.

Question 8

What is the Min Supply Voltage?

Accepted Answer

The minimum supply voltage is the lowest voltage at which a device can operate correctly. Operating below this voltage may cause the device to malfunction.

Question 9

What is the Nominal Supply Current?

Accepted Answer

The nominal supply current is the current a device draws under normal operating conditions when delivering its rated output.

Question 10

What is Quiescent Current?

Accepted Answer

Quiescent current is the current drawn by a device when it is in a no-load or idle state, with no active signal processing.

Question 11

What is a Synchronous Rectifier?

Accepted Answer

A synchronous rectifier is a type of rectifier that uses actively controlled switches, such as MOSFETs or BJTs, to improve efficiency by reducing voltage drops and power loss compared to traditional diodes.

Question 12

What is RoHS Status?

Accepted Answer

RoHS stands for 'Restriction of Hazardous Substances.' It refers to regulations that limit the use of specific hazardous materials in electrical and electronic equipment.

Question 13

What is a Microcontroller?

Accepted Answer

A microcontroller is a compact integrated circuit designed to govern a specific operation in an embedded system. It typically includes a processor, memory, and input/output peripherals on a single chip.

Question 14

What is an Integrated Circuit?

Accepted Answer

An integrated circuit (IC) is a set of electronic circuits on a small flat piece of semiconductor material, usually silicon. ICs are used in virtually all electronic equipment today and have revolutionized the world of electronics.

Question 15

What is the Clock Speed?

Accepted Answer

Clock speed refers to the speed at which a microprocessor executes instructions, typically measured in megahertz (MHz) or gigahertz (GHz). Higher clock speeds mean the processor can perform more instructions per second.

Question 16

What is Die Size?

Accepted Answer

Die size refers to the physical dimensions of a single piece of semiconductor material, or die, that has been cut from a larger wafer. The size of the die is an important factor in the cost and performance of semiconductor devices.

Question 17

What is a Transistor?

Accepted Answer

A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. It is one of the basic building blocks of modern electronic devices.

Question 18

What is EEPROM?

Accepted Answer

EEPROM stands for Electrically Erasable Programmable Read-Only Memory. It is a type of non-volatile memory used in computers and other electronic devices to store small amounts of data that must be saved when power is removed.

Question 19

What is a Chipset?

Accepted Answer

A chipset is a group of integrated circuits designed to work together to manage data flow between the processor, memory, and peripherals in a computer or other electronic device.

Question 20

What is a Logic Gate?

Accepted Answer

A logic gate is a fundamental building block of a digital circuit. It performs a basic logical function such as AND, OR, or NOT, based on its input signals.

Question 21

What is a DSP?

Accepted Answer

A DSP, or Digital Signal Processor, is a specialized microprocessor designed specifically for processing digital signals in real time. It is used in applications such as audio signal processing, telecommunications, and digital image processing.

Question 22

What is FPGA?

Accepted Answer

FPGA stands for Field-Programmable Gate Array. It is an integrated circuit that can be configured by the customer or designer after manufacturing, allowing for flexible and reprogrammable designs.

ST L4938EПозитив28V100 мА, 400 мА

₽67.36

Гарантия качества Bostock

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вакуумная упаковка

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L4931CZ50-AP

STMicroelectronics

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ST L4938E
Позитив28V100 мА, 400 мА