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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L4981B by STMicroelectronics is a current-mode switching regulator with a max output current of 2A and a max switching frequency of 115kHz. It operates in temperatures ranging from -40 to 125 °C, making it suitable for automotive applications. The package style is in-line with 20 terminals and a rectangular shape made of plastic/epoxy material.
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Whistler Technology
Fibra_Brandt Electronic GMBH
ComSIT Distribution GmbH
LittleDiode
Atlantic Semiconductor
Ampacity Inc.
$0.500
IDEA Electronic Components Group
$2.333
$2.100
MKK Technologies
$4.387
DigiPath Technology Company
Microchip USA
$7.013
AZTECH Wire
$19.570
RC Electronics
Vigor
Kepictronics
Perfect Parts
A-Z Elektronik GmbH
Alle Elektronik GmbH
Corphita
Parana Technologies
$2.790
The use of plastic/epoxy material makes the product lightweight and durable, ideal for automotive applications.
With a high maximum operating temperature, this product can withstand harsh conditions without overheating.
Current-mode control provides precise regulation of the output current, ensuring stable performance.
The nominal input voltage of 18V makes this product suitable for a wide range of applications requiring efficient power regulation.
The high maximum output current allows this product to handle demanding loads, making it versatile in various power supply applications.
Switching Regulators & Controllers L4981B attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics
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L4981B Other Function Semiconductors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
NSN
6130-01-545-0296, 6130015450296
NIIN
015450296
STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.
President, CEO
Jean-Marc Chery
President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience
Lorenzo Grandi
President, Sales & Marketing
Jerome Roux
Castelletto
Fabrication
Fab Initiation
1968
Italy
Wafer Capacity
SGFAB AMK 6
2000
Singapore
29,000
AG200
Agrate Brianza
14,000
RST 8
France
Rousset
35,000
Crolles 1
1993
Crolles
30,000
Crolles 2-ext. mod 5
Crolles 2-ext. mod 2
2022
Crolles 2-ext. mod 3
2023
Crolles 2
2004
28,000
1985
SiC Fab
2006
Sweden
Norrköping
10,000
Fab 3
2005
Tours
2,000
Fab 1 & Fab 2
1978
55,000
Fab 2
1997
Catania
SGFAB-AMK 6E
2003
145,000
SGFAB-AMJ 9
1984
152,000
AG300 (R3)
1980
25,000
1987
34,000
AG300
2024
Crolles 2-ext. mod 1
2020
Fab 1 6-inch fab
2013
11,000
SiC 6-inch line
2021
2,500
200mm GaN
2018
SGFAB-AMK 8
2001
Crolles 2- JV Fab
SGFAB-AMK 6
2016
38,125
SGFAB-AMK 2E
2010
20,000
Silicon Carbide A.B.
SiC wafer/EPI Fab
SiC Device Fab
2025
SMBJ18CA
First Components International
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.1 V; Polarity: BIDIRECTIONAL; Maximum Repetitive Peak Reverse Voltage: 18 V;
1N4148
Microsemi
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
C0805C104K5RACTU
KEMET Corporation
KEMET C0805C104K5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for surface mount applications in electronics requiring compact size and reliable performance.
STM32H753BIT6
STMicroelectronics
STM32H753BIT6 by STMicroelectronics is a 32-bit microcontroller with 208 terminals, operating at up to 48 MHz. It features 20-Ch 16-Bit ADCs, 2-Ch 12-Bit DACs, and extensive peripherals for industrial applications like CAN, Ethernet, and USB connectivity. With a wide temperature range of -40 to +85 °C, it's ideal for demanding environments requiring high-speed processing capabilities.
BAV99
ROHM
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
LM555CM
Onsemi
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
EU2B-YS3203F
Idec
ROTARY SWITCH;
2N2222A
Semitronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM317TG
Texas Instruments
LM317TG by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and max output current of 1.5A. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in electronic circuits. The package style is flange mount, with a rectangular shape and through-hole terminals for easy installation.
1N4148WS
Taiwan Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Semicoa
BSS138
Calogic
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Drain Current (Abs) (ID): .2 A;
LM358N
Freescale Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LM2675M-ADJ/NOPB
National Semiconductor
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
Hi-tron Semiconductor
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
PIC18F4550T-I/PT
Microchip Technology
The Microchip Technology PIC18F4550T-I/PT microcontroller operates at a max clock frequency of 48 MHz with 8-bit architecture. It features 13-Ch 10-Bit ADC channels and USB connectivity, making it suitable for industrial applications requiring high-speed data processing and analog-to-digital conversion. With low power mode and flash ROM programmability, this device offers efficient performance in compact designs.
Digitron Semiconductors
1N4148W-T
Micro Commercial Components
1N4148W-T by Micro Commercial Components is a single rectifier diode with a max reverse recovery time of 0.004 us. It operates b/w -55 to 150 °C and has a max output current of 0.15 A. Ideal for applications requiring fast switching speeds in small outline packages.
LMZ14203EXTTZX/NOPB
LMZ14203EXTTZX/NOPB by Texas Instruments is a switching regulator with 3A output current, 6V max output voltage, and 1000kHz max switching frequency. Ideal for military applications due to its MILITARY temperature grade, it operates b/w -55°C to 125°C and has a compact rectangular package style suitable for surface mount designs.
LM2574M-5.0/NOPB
LM2574M-5.0/NOPB by Texas Instruments is a switching regulator with a voltage-mode control technique, operating b/w -40 to 125°C. It has a max output current of 0.5A and supports a buck switcher configuration for automotive applications. With a small outline package style, it offers an output voltage range from 3.3V to 37V, making it suitable for various power supply designs.
UCC28C44DR
UCC28C44DR by Texas Instruments is a voltage-mode switching controller with a max output current of 1A and a max switching frequency of 1000kHz. It operates in an industrial temperature range from -40°C to 105°C, making it suitable for various power supply applications. With a small outline package style and surface-mount capability, this BICMOS technology-based IC is ideal for compact designs requiring efficient pulse width modulation control.
TPS61175PWPR
TPS61175PWPR by Texas Instruments is a switching regulator with a max output current of 5A and a max output voltage of 38V. It is commonly used in industrial applications for controlling and regulating power supply systems.
TPS63001DRCT
TPS63001DRCT by Texas Instruments is a 10-terminal switching regulator with a max output voltage of 3.3V and current up to 2A. Ideal for industrial applications, it operates b/w -40°C to 85°C using pulse width modulation control mode at a frequency of up to 1500 kHz.
LT8640SIV#PBF
Analog Devices
LT8640SIV#PBF by Analog Devices is a switching regulator with a max output current of 12.5A and a max input voltage of 42V. It is commonly used in automotive applications due to its temperature grade and moisture sensitivity level.
TPS62110RSARG4
TPS62110RSARG4 by Texas Instruments is a 16-terminal switching regulator with VOLTAGE-MODE control, operating b/w -40 to 85°C. It offers a max output voltage of 16V and current of 1.5A, suitable for industrial applications requiring efficient power management in compact spaces.
TPS60400DBVR
TPS60400DBVR by Texas Instruments is a small outline, low profile switched capacitor converter with a max output current of 0.06A and a max switching frequency of 350kHz. It operates in industrial temperature grade range and is suitable for applications requiring a nominal input voltage of 5V and a min output voltage of -5V.
LT8609SEV#PBF
LT8609SEV#PBF by Analog Devices is a 16-terminal switching regulator with current-mode control, operating b/w -40 to 125°C. With a max output current of 5.7A and PWM control technique, it's ideal for automotive applications requiring a buck switcher with a wide input voltage range of 2.7-42V and high switching frequency up to 2200 kHz.
LM2674MX-3.3/NOPB
LMR54406FDBVR
LMR54406FDBVR by Texas Instruments is a switching regulator with 6 terminals, operating b/w -40 to 125 °C. It has a max output voltage of 28 V and current of 0.6 A, suitable for applications requiring a compact design and efficient power management in various electronic devices.
MC34063AP
SWITCHING REGULATOR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
LM2674M-ADJ
LM5164QDDARQ1
LM5164QDDARQ1 by Texas Instruments is a switching regulator with 1A output current, 90V max output voltage, and 1000kHz max switching frequency. Ideal for automotive applications due to its -40 to 150°C operating temperature range and small outline package style.
TPS63030DSKR
TPS63030DSKR by Texas Instruments is a switching regulator with a max output voltage of 5.5V and max output current of 0.4A, suitable for automotive applications. It operates b/w -40 to 125°C, with a control mode of current-mode PWM and a compact square package style measuring 2.5mm x 2.5mm x 0.8mm.
TL494IDR
TL494IDR by Texas Instruments is a voltage-mode switching controller with 16 terminals, operating at -40 to 85°C. It features a nominal output voltage of 5V, PWM control technique, and push-pull switcher config. Ideal for industrial applications requiring precise regulation in compact designs up to 300 kHz frequency.
LM2672M-ADJ/NOPB
LM2672M-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 requiring efficient power management in compact spaces. With pulse width modulation control technique and buck switcher configuration, this small outline package regulator offers precise voltage regulation for systems with input voltages ranging from 6.5V to 40V.
LM3150MH/NOPB
SWITCHING CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 14; Package Code: HSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LM2674MX-5.0/NOPB
LM2674MX-5.0/NOPB by National Semiconductor is a switching regulator with a max output current of 1.25 A and a max input voltage of 40 V. It is commonly used in automotive applications due to its temperature grade and moisture sensitivity level.
LT8650SIV#PBF
LT8650SIV#PBF by Analog Devices is a 32-terminal switching regulator with a max input voltage of 42V and operating temperature range from -40 to 125°C. It features a control mode of current-mode, pulse width modulation technique, and phase-shift switcher configuration. Ideal for automotive applications due to its compact chip carrier package style and high switching frequency of 3000 kHz.
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LT1509IN#PBF
POWER FACTOR CONTROLLER WITH POST REGULATOR; Temperature Grade: INDUSTRIAL; No. of Terminals: 20; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
L4981AD013TR
L4981AD013TR by STMicroelectronics is a current-mode switching regulator with a max output current of 2A and BCDMOS technology. It operates in automotive-grade temperatures (-40 to 125°C) and features pulse width modulation control technique. Ideal for power factor correction applications, it has a small outline package with 20 terminals and can handle input voltages from 11V to 19.5V.
L4981BD013TR
L4981BD013TR by STMicroelectronics is a current-mode switching regulator with 2A output, BCDMOS technology, and PWM control. Ideal for automotive applications, it operates b/w -40 to 125°C with a max frequency of 115kHz. The compact package features 20 terminals in a small outline design.
L4981AD
POWER FACTOR CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 20; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
L4984DTR
POWER FACTOR CONTROLLER; Temperature Grade: OTHER; No. of Terminals: 10; Package Code: SSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
L4986A
SWITCHING CONTROLLER;
L4986ATR
L4986B
L4984D
L4984D by STMicroelectronics is a switching regulator with 12V nominal voltage, current-mode control mode, and boost switcher configuration. It is used in power factor control applications, operates b/w -25 to 125°C, and features a small outline package with gull wing terminals for surface mounting.
L4981XD
POWER FACTOR CONTROLLER;
L4985D
SWITCHING REGULATOR; No. of Terminals: 20; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES; Length: 12.8 mm;
L4986BTR
L4981BD
L4985
SWITCHING REGULATOR; No. of Terminals: 20; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO; Technology: BCDMOS;
L4985A
L4985ATR
L4981A
POWER FACTOR CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 20; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
L4985B
L4981X
L4985BTR
Supply Digital Components
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