Active filters amplify desired signals while rejecting unwanted frequencies, and can be tailored to meet application-specific requirements in electronics.
Amplifiers boost signal strength, match impedance levels, and are essential in many circuit systems, including audio, broadcasting, and telecommunications.
Batteries store and provide electrical energy, come in various types and sizes for multiple uses, rechargeable or single-use.
Capacitors store electrical charge with metallic plates and a dielectric; types vary and can be combined for specific circuit characteristics.
Chip carriers and sockets provide an interface between components and PCBs, enabling easy replacement or upgrading without soldering.
Circuit protection devices prevent damage from overcurrent flow, including fuses, breakers, surge protectors, and voltage regulators.
Connector accessories and support devices aid connector function and longevity, including backshells, grips, clamps, and ties; must be compatible with connector type.
Connectors join electronic circuits to transfer signals and power, come in various sizes and shapes, and include support accessories.
Converters transform DC input to another voltage level, essential in electronic systems, renewable energy, and automotive electronics.
Crystals and resonators generate and stabilize frequency signals via piezoelectricity. They are used in timing, frequency control, and filters. Crystals are quartz and resonators are ceramic with a built-in capacitor.
Semiconductor diodes control current flow in one direction (uni-directionality) via low resistance. Useful for rectification, voltage regulation, detection, and digital logic.
Discover essential electronic components for your devices, including CPU accelerators, system cache controllers, computer processors, motherboards, and graphics computing systems. Enhance device performance and connectivity with reliable components engineered for seamless integration and optimal functionality.
Fiber optics use light pulses to transmit data over long distances. They have superior bandwidth capacity, low signal attenuation, and secure physical properties. They are essential in telecommunications networks today.
Filters enhance signal processing by selectively passing desired frequencies while suppressing unwanted ones. Filters can be passive (using capacitors, resistors, and inductors) or active (using transistors or amplifiers).
Flash devices are non-volatile storage solutions that offer fast read and write speeds, making them ideal for applications requiring high-speed data transfer. These devices utilize flash memory technology, providing reliable storage for data-intensive tasks such as gaming, multimedia, and enterprise-level applications.
General purpose ICs consist of multiple individual circuits or components (e.g., logic gates, amplifiers, oscillators, etc.) that are combined onto a single integrated circuit chip for a smaller physical footprint.
I/O and storage controllers are crucial components in computer systems, managing input/output operations and storage devices. These controllers facilitate efficient data transfer between peripherals, storage drives, and the central processing unit (CPU), enhancing system performance and enabling seamless connectivity.
Inductors store energy in magnetic fields, oppose sudden changes in current flow and prevent electrical surges. Common inductor applications include power supplies, signal filters, and oscillators.
Interface ICs allow efficient device connectivity with high-speed data transfer and low power consumption.They can be ASIC or FPGA types, and may perform additional functions such as sensing, storage, and conversion.
Logic ICs can be used for storage, memory, amplification, and multiplexing. They perform fundamental logical operations on digital input signals (1, 0, H, L) to generate a corresponding digital output signal.
Memory modules are essential components in electronic devices, storing data temporarily or permanently for processing and retrieval. From volatile RAM (Random Access Memory) to non-volatile ROM (Read-Only Memory), memory technologies vary in speed, capacity, and functionality, catering to diverse application requirements.
Memory ICs store digital data and retain the information even when the power is turned off. They come in various types, like RAM (Random Access Memory) for fast data access, and ROM (Read-Only Memory) for permanent data storage.
Miscellaneous semiconductor components are a diverse category of electronic components that combines elements from a mix of component devices.
Optoelectronic devices interact with light. This family of devices can emit light, detect light, generate current, and transmit light signals for long-distance communication.
Oscillators generate repetitive waveforms, such as sine, square, or triangle waves. They are commonly used to produce stable and precise frequencies for applications like clocks, signal generation, and communication systems.
Other Function Semiconductor components are a diverse category of semiconductor components that perform a range of specialized functions.
Passive component networks operate without a power source and support data transmission within system by performing filtering, energy storage, and/or signal coupling functions.
Peripheral ICs (Integrated Circuits) are designed to control and manage the peripheral devices connected to a computer or other electronic device.
Programmable Logic ICs are user-programmable devices that allow designers to create custom logic circuits. These cost saving ICs offer real-time data processing and maximum design flexibilty.
RF (Radio Frequency) and microwave devices are used in telecommunications, wireless communications, and electronic systems. These devices include amplifiers, attenuators, filters, mixers, oscillators, and antennas, and a host of other components.
Voltage regulators are used to ensure a constant output voltage despite power fluctuations and load changes. Linear and switching regulators are common types used to maintain voltage stability.
Relays are electromagnetic switches that are used to control the flow of electrical current in an electrical circuit. Relays are a safe means of providing isolation between a controlling circuit and a controlled circuit.
Resistors control the flow of electrical current in a circuit by introducing a set resistance. These passive components reduce current flow, adjust signal levels, and bias active elements in circuits.
Transducers convert energy from one form to another and are crucial in sensing, audio and control systems. They transform physical measures like temperature, pressure, or sound into electrical signals for circuits.
Storage drives are hardware devices used to store and retrieve digital data in computers and electronic devices. These drives come in various forms, including hard disk drives (HDDs), solid-state drives (SSDs), and hybrid drives, offering different levels of capacity, speed, and durability to suit specific storage needs.
Storage media encompass physical or digital mediums used for storing and preserving digital data. From optical discs and magnetic tapes to USB flash drives and memory cards, storage media come in diverse formats and capacities, offering flexibility and reliability for data storage and archival purposes.
Storage systems comprise hardware and software components designed to manage and store digital data efficiently. These systems range from simple standalone devices to complex network-attached storage (NAS) and storage area network (SAN) solutions, providing scalable storage capacity and data protection features for businesses and enterprises.
Switches control electrical current flow by making or breaking connections. These devices vary in design and application, from basic on/off switches to complex industrial automation systems.
Telecom integrated circuits (ICs) are specialized electronics for telecommunications, tailored to high data rates, low power use, and reliable long-distance transmission. These devices include amplifiers, filters, ADCs, DACs, and more-- and they are often integrated on one chip for specific telecom tasks.
Terminal blocks, or connection terminals, are modular blocks that bring together multiple electrical wires at one connection point. They offer a reliable, organized way to terminate cables.
Thermal management devices control heat in electronic systems, preventing overheating and ensuring optimal performance and reliability. Examples include heat sinks, fans, and thermal interface materials that dissipate or transfer heat away from components.
Transformers are devices that alter electrical voltage levels between circuits through electromagnetic induction. They are vital in power distribution, converting high-voltage electricity for transmission and lower voltage for safe usage.
Transistors are 3-layer semiconductor devices that regulate the flow of electrical current. They function as amplifiers, boosting weak signals, and as switches, controlling the flow of current between terminals.
Triggering devices initiate electronic processes or events in response to specific conditions. These devices support many automated tasks such as activating switches and signals, or turning on lights when motion is detected.
Video cards, also known as graphics cards or GPU (Graphics Processing Unit), are essential components in computers, responsible for rendering graphics and images on display devices. These cards feature dedicated processors and memory, delivering smooth and immersive visual experiences for gaming, multimedia, and professional applications.
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Allegro MicroSystems A4491EESTR-T is a 20-terminal switching regulator with a max output current of 1.5A and a control mode of CURRENT-MODE. Operating b/w -40 to 85°C, it is ideal for industrial applications requiring a compact chip carrier package with surface mount capability and BUCK switcher configuration.
Median Price
$1.380
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1k+
Rochester
1+ parts
$0.650
100+ parts
$0.640
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$0.620
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Chip1Stop
Arrow
$1.691
$0.857
DigiKey
$2.250
$1.355
$1.239
Verical
Chip Stock
Cyclops Electronics Ltd
NAC Semi
$1.340
VNN
Nova Conductors
Ampacity Inc.
$0.550
Microchip USA
$6.240
iodParts Technologies Inc.
Aranea Global
Authorized Procurement Solutions
Continental Prestige Electronics
Argo Parts USA
Kepictronics
Eastek
$1.180
Perfect Parts
Allows for easy and efficient assembly onto circuit boards.
Sleek and compact design for space-saving in electronic devices.
Provides multiple connection points for flexibility in circuit design.
Can handle high temperatures, suitable for industrial applications.
Efficient current regulation for stable and reliable performance.
Compatible with standard 12V power sources.
Capable of delivering sufficient current for various electronic components.
Switching Regulators & Controllers A4491EESTR-T attributes and parameters. Explore more Switching Regulators & Controllers devices from Allegro MicroSystems
Other IC type:
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A4491EESTR-T Other Function Semiconductors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Packaging - Tape Change 27/Jan/2023
With more than 30 years of experience developing advanced semiconductor technology and application-specific algorithms, Allegro is a global leader in power and sensing solutions for motion control and energy-efficient systems. Through our innovations in e-Mobility, Clean Energy, and Automation, we are helping move the world toward a safer, more sustainable future. Each year we ship over one billion units into these applications to support our 10,000+ customers around the globe, including over 50 automotive OEMs. Our global engineering, manufacturing and support, combined with our agility, make Allegro a trusted partner to both large enterprises and regional market leaders worldwide.
CRCW040210K0FKED
Vishay Intertechnology
Vishay Intertechnology's CRCW040210K0FKED is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.063 W power dissipation. Ideal for surface mount applications in electronics due to its compact SMT package style and high operating temperature range of -55 to 155 °C.
OPA2227UA
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
BAV99
Philips Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
Fairchild Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Panjit International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM107H/883C
Rochester Electronics
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Package Equivalence Code: CAN8,.2;
1N4148
National Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
2N7002
NXP Semiconductors
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .83 W; JESD-609 Code: e3; Minimum DS Breakdown Voltage: 60 V;
PIC18F4550-I/P
Microchip Technology
PIC18F4550-I/P by Microchip Technology is an 8-bit microcontroller with a max clock frequency of 48 MHz. It features 13-Ch 10-Bit ADC channels and USB connectivity, making it ideal for industrial applications requiring low power consumption and high-speed data processing. With 2048 RAM bytes and 256 Data EEPROM size, this CMOS technology-based microcontroller offers versatile performance in various embedded systems.
LM555CM
Harris Semiconductor
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
DP83848IVVX/NOPB
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 48; Package Code: QFP; Package Shape: SQUARE;
Digitron Semiconductors
Itt Components
RECTIFIER DIODE; Surface Mount: YES; Maximum Reverse Recovery Time: .005 us; Config: SINGLE; Maximum Operating Temperature: 200 Cel; Maximum Non Repetitive Peak Forward Current: 1 A;
Rectron
2N2222A
Infineon Technologies
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
SS495A-SP
Honeywell Sensing And Control
SS495A-SP by Honeywell is a magnetic field sensor with 10.5V max supply voltage, 3" body width, and 1.5% linearity. Ideal for applications requiring a Hall effect sensor with -40 to 150°C operating temperature range, such as position sensing in automotive or industrial systems.
General Semiconductor
Bytesonic Electronics
Renesas Electronics
LM317LMX/NOPB
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 8; Package Code: SOP; Terminal Form: GULL WING; Maximum Seated Height: 1.75 mm; Nominal Dropout Voltage-1: 3 V;
LM2842XMK-ADJL/NOPB
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 6; Package Code: VSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
TPS61170QDRVRQ1
Texas Instruments
TPS61170QDRVRQ1 by Texas Instruments is a switching regulator with 1.44A output current, operating b/w -40 to 125°C. It features a buck-boost switcher config, PWM control mode, and supports input voltages from 3V to 18V. Ideal for automotive applications due to AEC-Q100 screening level and compact design with small outline package style.
LM2596T-5.0/NOPB
Switching Regulator or Controllers; No. of Terminals: 5; Package Code: ZIP; Package Shape: RECTANGULAR; Surface Mount: NO; Qualification: Not Qualified;
LTM8055MPY#PBF
Linear Technology
SWITCHING REGULATOR; Temperature Grade: MILITARY; No. of Terminals: 121; Package Code: BGA; Package Shape: SQUARE; Surface Mount: YES;
LM3150MH/NOPB
LM3150MH/NOPB by Texas Instruments is a switching controller with 14 terminals, operating temperature range of -40 to 125°C, and max output current of 12A. It is ideal for automotive applications due to its hysteric current mode control technique and wide input voltage range from 6V to 42V. The compact rectangular package with small outline and heat sink makes it suitable for space-constrained designs.
LM2672MX-ADJ/NOPB
LM2672MX-ADJ/NOPB by Texas Instruments is a voltage-mode switching regulator with a max output current of 1A and a max output voltage of 37V. It operates in an automotive temperature grade range from -40°C to 125°C, making it suitable for various automotive applications. With pulse width modulation control technique and buck switcher configuration, this IC is ideal for power management in automotive electronics.
TPS63000DRCRG4
TPS63000DRCRG4 by Texas Instruments is a switching regulator with a max output current of 2A and max operating temp of 85°C. Ideal for industrial applications, it operates in buck-boost mode with a control technique of PWM, suitable for voltages ranging from 1.8V to 5.5V.
LM3488MMX/NOPB
SWITCHING CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: TSSOP; Package Shape: SQUARE; Surface Mount: YES;
LMZ14202HTZE/NOPB
Switching Regulator or Controllers; No. of Terminals: 7; Surface Mount: YES; Terminal Finish: MATTE TIN; Moisture Sensitivity Level (MSL): 3; Maximum Time At Peak Reflow Temperature (s): 30;
LM2596SX-3.3/NOPB
LM2596SX-3.3/NOPB by Texas Instruments is a switching regulator with a max output current of 3A, ideal for automotive applications. It operates b/w -40 to 125°C, with a voltage-mode control mode and buck switcher config. With a small outline package style and surface mount capability, it's versatile for various electronic designs.
TPS54331DDAR
TPS54331DDAR by Texas Instruments is a switching regulator with 3A output current, 570kHz max switching frequency, and 150°C max operating temp. Ideal for automotive applications due to its low profile design and pulse width modulation control technique.
SG3525AN
Silicon General
SWITCHING CONTROLLER; Temperature Grade: COMMERCIAL; No. of Terminals: 16; Package Shape: RECTANGULAR; Surface Mount: NO; Minimum Operating Temperature: 0 Cel;
LMR14203XMK/NOPB
LMR14203XMK/NOPB by Texas Instruments is a switching regulator with 6 terminals, operating b/w -40 to 125°C. It offers a max output voltage of 34V and current of 0.3A, suitable for automotive applications due to its compact size and pulse width modulation control technique.
LMZ12002TZ-ADJ/NOPB
Switching Regulator or Controllers; No. of Terminals: 7; Surface Mount: YES; Qualification: Not Qualified; JESD-609 Code: e3; Maximum Switching Frequency: 1000 kHz;
LM5085MYX/NOPB
Switching Regulator or Controllers; No. of Terminals: 8; Package Code: TSSOP; Package Shape: RECTANGULAR; Surface Mount: YES; Qualification: Not Qualified;
TPS40055PWPR
TPS40055PWPR by Texas Instruments is a voltage-mode switching controller with a max output current of 20A and a max output voltage of 35V. It operates in an industrial temperature range from -40°C to 85°C, making it suitable for various power management applications requiring high efficiency and precision control. The compact rectangular package style with gull wing terminals and push-pull switcher configuration enables space-saving designs in electronic devices.
LMZ23603TZ/NOPB
Switching Regulator or Controllers; No. of Terminals: 7; Surface Mount: YES; Peak Reflow Temperature (C): 245; Maximum Time At Peak Reflow Temperature (s): 30; Terminal Position: SINGLE;
LMR51420YDDCR
LMR51420YDDCR by Texas Instruments is a switching regulator with max output voltage of 34.2V and max current of 2A. Ideal for applications requiring pulse frequency modulation control technique, such as power management in compact electronic devices. Operates efficiently within temperature range of -40 to 150°C.
LM2671MX-5.0/NOPB
LM2671MX-5.0/NOPB by Texas Instruments is a switching regulator with a max output current of 0.5A and a nominal output voltage of 5V. It operates in voltage-mode control, suitable for automotive applications with an input voltage range from 6.5V to 40V and a wide temperature grade of -40°C to 125°C.
LMZ14203TZX-ADJ/NOPB
LMZ14203TZX-ADJ/NOPB by Texas Instruments is a switching regulator with 3A output current, 6V max output voltage, and 1000 kHz max switching frequency. Ideal for automotive applications due to its -40 to 125 °C operating temperature range and compact design.
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A4490EESTR-T
Allegro MicroSystems
A4490EESTR-T by Allegro MicroSystems is a switching regulator with 2A output current, 630kHz max frequency, and -40 to 85°C operating temp. Ideal for industrial applications requiring efficient power control in compact spaces.
A4490EES-T
SWITCHING REGULATOR; Temperature Grade: INDUSTRIAL; No. of Terminals: 20; Package Code: HVQCCN; Package Shape: SQUARE; Surface Mount: YES;
A4492EESTR-T
A4490SES-T
SWITCHING REGULATOR; Temperature Grade: OTHER; No. of Terminals: 20; Package Code: HVQCCN; Package Shape: SQUARE; Surface Mount: YES;
A4490SESTR-T
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
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