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.
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Arrow
$1.691
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$2.250
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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
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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
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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.
CR0805-FX-10R0ELF
Bourns
Bourns CR0805-FX-10R0ELF is a SMT fixed resistor with 10 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for applications requiring a temperature range of -55 to 155 °C, such as automotive electronics and industrial control systems.
SMMBT3904LT1G
Onsemi
SMMBT3904LT1G by Onsemi is a NPN BJT with 3 terminals, 0.3W power dissipation, and 40V max collector-emitter voltage. Ideal for small outline applications requiring a transistor with hFE of at least 30, it operates up to 150°C and has a transition frequency of 300MHz.
BAV99
Infinex
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
AT90CAN128-16AU
Atmel
MICROCONTROLLER, RISC; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 64; Package Code: TQFP; Package Shape: SQUARE;
1N4148WS
Rectron
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
261
Micronetics
Other Interface ICs; Temperature Grade: MILITARY; Terminal Form: FLAT; No. of Terminals: 14; Package Code: DFP; Package Shape: SQUARE;
LM317T
Inchange Semiconductor
Other Regulators; No. of Terminals: 3; Surface Mount: NO; Technology: BIPOLAR; Minimum Output Voltage-1: 1.2 V; No. of Outputs: 1;
OHN3140U
Tt Electronics Plc
OHN3140U by Tt Electronics Plc is a magnetic field sensor with a max supply voltage of 24V and hysteresis of 2mT. It features an output range of 25mA and operates b/w -20 to 85°C. Ideal for applications requiring precise detection and measurement of magnetic fields in various industries.
SMBJ18CA
General Instrument
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
Fairchild Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
General Transistor
1N4148
Won-top Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LL4148
Synsemi
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Silicon Standard
MBR0530T1G
MBR0530T1G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.375V and output current of 0.5A. It operates b/w -65°C to 125°C, making it suitable for applications requiring high-speed switching in compact electronic devices like smartphones and tablets. The package style is small outline with gull wing terminals for surface mount assembly.
DRV5053VAQLPG
Texas Instruments
Texas Instruments DRV5053VAQLPG is a magnetic field sensor with 2.5-38V supply voltage range, -40 to 125°C operating temperature, and 0-2V output. Ideal for applications requiring Hall effect sensors like automotive, industrial automation, and robotics due to its compact size (1.52" x 4mm) and high output current capability of 2.3A.
Digitron Semiconductors
OPA2277UA/2K5
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
STM32F405RGT6
STMicroelectronics
STM32F405RGT6 by STMicroelectronics is a 32-bit microcontroller with 2/3.3V power supplies, 16 external interrupts, and 196608 RAM bytes. Ideal for industrial applications, it features CAN(2), I2C(3), SPI(3) connectivity options and operates at a max clock frequency of 26 MHz. With low power mode and DMA support, it offers versatile performance in compact dimensions.
M24308/2-1F
Souriau
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Body or Shell Style: RECEPTACLE; MIL Conformity: YES;
LMR14206XMK/NOPB
LMR14206XMK/NOPB by Texas Instruments is a switching regulator with 6 terminals, operating temperature range of -40 to 125°C, and output voltage range from 0.765V to 34V. It is designed for automotive applications, featuring a compact rectangular package with very thin profile suitable for surface mount assembly. The control mode is current-mode PWM with max output current of 0.6A and switching frequency up to 1500kHz.
TPS54040DGQR
TPS54040DGQR by Texas Instruments is a switching regulator with a max output current of 0.5A and a max operating temperature of 150°C. It operates in buck configuration, suitable for automotive applications due to its control mode being current-mode and wide input voltage range from 3.5V to 42V.
TPS62175DQCT
TPS62175DQCT by Texas Instruments is a switching regulator with 10 terminals, operating b/w -40 to 85°C. It has a max output current of 0.5A and supports pulse width modulation control technique. Ideal for industrial applications requiring a compact, high-frequency buck switcher with input voltage range of 4.7-28V and output voltage range of 1-6V.
MC34063AD
Motorola
SWITCHING REGULATOR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LM2733XMFX/NOPB
LM2733XMFX/NOPB by Texas Instruments is a switching regulator with 5 terminals, operating temperature range of -40 to 125°C, and output voltage range from 3V to 40V. It is ideal for automotive applications due to its small size (2.92mm x 1.6mm) and high max output current of 1.5A at a frequency of up to 1850kHz using pulse width modulation control technique.
LMZ35003RKGT
LMZ35003RKGT by Texas Instruments is a switching regulator with a max output current of 2.5A and a max input voltage of 50V, making it ideal for industrial applications. With a min output voltage of 2.5V and a max operating temperature of 85°C, this chip carrier package is suitable for various power management needs. Its buck-boost switcher configuration and high switching frequency of up to 1000kHz ensure efficient performance in compact designs.
TPS54302DDCR
TPS54302DDCR by Texas Instruments is a switching regulator with 3A output current, 400kHz max frequency, and -40 to 125°C operating temp. Ideal for automotive applications due to its compact size, PWM control mode, and buck switcher configuration.
LM2594HVMX-5.0/NOPB
LM2594HVMX-5.0/NOPB by Texas Instruments is a voltage-mode switching regulator with 8 terminals, operating b/w -40 to 125°C. It offers a min output voltage of 3.3V and max output current of 0.5A, suitable for automotive applications due to its compact size and pulse width modulation control technique.
LM2674MX-ADJ/NOPB
LM2674MX-ADJ/NOPB by Texas Instruments is a switching regulator with a max output current of 0.5A and a max input voltage of 40V. It is commonly used in automotive applications due to its temperature grade and moisture sensitivity level.
LM5009MMX/NOPB
LM5009MMX/NOPB by Texas Instruments is a switching regulator with a voltage-mode control mode. It operates b/w -40 to 125°C, supporting input voltages from 9.5V to 95V and output voltages ranging from 2.5V to 85V. With a max output current of 0.15A and a compact package style, it is ideal for automotive applications requiring efficient power management.
LM2574HVMX-5.0/NOPB
LM2574HVMX-5.0/NOPB by Texas Instruments is a switching regulator with a max output current of 0.5 A and a max output voltage of 37 V. It is commonly used in automotive applications due to its temperature grade and moisture sensitivity level.
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.
LM60430ARPKR
LM60430ARPKR by Texas Instruments is a switching regulator with 3A max output current, 1-24V output voltage range, and 1000kHz max switching frequency. Ideal for automotive applications due to AEC-Q100 screening level, -40 to 150°C operating temperature range, and compact chip carrier package style.
LM25118MH/NOPB
LM25118MH/NOPB by Texas Instruments is a switching controller with a current-mode control technique. It operates in a wide temperature range from -40 to 125°C and supports a max output current of 10A at a max switching frequency of 500kHz. Ideal for automotive applications, this compact IC offers buck-boost configuration and can handle input voltages ranging from 3V to 42V.
LM5118Q1MHX/NOPB
LM5118Q1MHX/NOPB by Texas Instruments is a switching regulator with 10A output current, 500kHz max switching frequency, and -40 to 125°C operating temp. Ideal for automotive applications due to its small outline package and buck-boost configuration.
LT8608EMSE#PBF
Linear Technology
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 10; Package Code: HTSSOP; Package Shape: SQUARE; Surface Mount: YES;
LMR14030SDDA
LMR14030SDDA by Texas Instruments is a switching regulator with 8 terminals, operating b/w -40 to 125°C. It offers a max output voltage of 36V and current of 3.5A, suitable for automotive applications due to its low profile design and pulse width modulation control technique. With a compact size of 4.9mm x 3.9mm x 1.7mm, it is ideal for space-constrained environments requiring efficient power management up to 2500kHz switching frequency.
UC3843BVD1R2G
UC3843BVD1R2G by Onsemi is a current-mode switching controller with max output current of 1A and max switching frequency of 500kHz. Ideal for industrial applications, it operates b/w -40 to 105°C, with input voltage range from 12-25V.
PTN78060WAH
PTN78060WAH by Texas Instruments is a SWITCHER BUCK with 82% efficiency, 5.5A output current, and 660 kHz switching frequency. Ideal for industrial applications requiring a 3.3V output voltage within -40 to 85 °C temperature range.
LM5575QMHX/NOPB
LM5575QMHX/NOPB by Texas Instruments is a 16-terminal switching regulator with a max output voltage of 70V and max current of 2.5A. Ideal for automotive applications, it operates b/w -40 to 125°C, featuring pulse width modulation control mode at a max frequency of 500kHz.
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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
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