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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Featured manufacturers
L4981A by STMicroelectronics is a current-mode switching regulator with 20 terminals, operating temperature range of -40 to 125°C. It features a max output current of 2A, BCDMOS technology, and pulse width modulation control technique. Ideal for automotive applications due to its nominal input voltage of 18V and max switching frequency of 115kHz.
Median Price
$1.513
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16
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Provides durability and protection for the internal components, ensuring a longer lifespan for the product.
Allows for a higher level of connectivity and flexibility in circuit design.
Ensures stability and reliability even in high temperature environments.
Enables precise control of the current output, resulting in efficient power management.
Suitable for a wide range of applications requiring steady input voltage.
Provides sufficient power output for various devices and systems.
Utilizes advanced BCDMOS technology for improved efficiency and performance.
Allows for operation even with low input voltage, increasing the product's versatility.
Handles high input voltage levels with ease, making it suitable for a wide range of applications.
Switching Regulators & Controllers L4981A attributes and parameters. Explore more Switching Regulators & Controllers devices from STMicroelectronics
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L4981A Other Function Semiconductors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
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
BAV99
Philips Semiconductors
RECTIFIER DIODE; Surface Mount: YES; Maximum Output Current: .1 A; Peak Reflow Temperature (C): 260; Terminal Finish: MATTE TIN; Maximum Reverse Recovery Time: .006 us;
L7805CV
STMicroelectronics
L7805CV by STMicroelectronics is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring stable voltage regulation in electronic circuits.
NDT2955
Onsemi
NDT2955 by Onsemi is a P-CHANNEL FET with 60V DS Breakdown Voltage, ideal for SWITCHING applications. It features a max IDM of 15A and EAS of 174mJ, suitable for ENHANCEMENT MODE operation. With a compact SMALL OUTLINE package and -55 to 150 °C operating range, it offers efficient power dissipation up to 3W.
1N4148
NXP Semiconductors
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
1N4148WS
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM358AN
Signetics
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
2N2222A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
NE555D
SQUARE; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: LSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
1N4148WT
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
SS14
Pro-an Electronic
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
NUP2105LT1G
NUP2105LT1G by Onsemi is a Transient Suppression Device with 350W power dissipation, 29.1V breakdown voltage, and 44V clamping voltage. Commonly used in electronic circuits for surge protection due to its bidirectional polarity and silicon diode element material.
SMBJ18CA
Protek Devices
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Weitronic Enterprise
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; No. of Terminals: 3;
MMSZ5245BT1G
MMSZ5245BT1G by Onsemi is a Zener diode with 15V nominal reference voltage, 8.5mA test current, and 16 ohm dynamic impedance. It is used in applications requiring precise voltage regulation in a compact SMD package for temperatures ranging from -55 to 150°C.
2N7002
Nte Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Transistor Application: SWITCHING; Maximum Drain Current (ID): .115 A; No. of Terminals: 3;
General Semiconductor
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;
LL4148
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
TL494IDR
Texas Instruments
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.
LM5022MMX/NOPB
LM5022MMX/NOPB by Texas Instruments is a switching controller with current-mode control technique, operating at -40 to 125°C. It offers a wide input voltage range of 6-60V and can handle output voltages up to 300V. Ideal for automotive applications due to its compact size, high switching frequency of 2200 kHz, and buck-boost switcher configuration.
LM2675M-5.0
National Semiconductor
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LM5116MHX/NOPB
SWITCHING CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 20; Package Code: HTSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LM5575MH/NOPB
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 16; Package Code: TSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
UCC28950PWR
UCC28950PWR by Texas Instruments is a switching controller with a max operating temperature of 125°C. It features phase-shift control technology, a max switching frequency of 1000 kHz, and is designed for automotive applications. With a package style of small outline and thin profile, this IC has 24 terminals in a rectangular shape suitable for surface mount assembly.
TPS54140DGQR
TPS54140DGQR by Texas Instruments is a switching regulator with a max output current of 1.5A and max operating temp of 150°C. Ideal for automotive applications, it operates in buck configuration with PWM control mode and supports input voltages from 3.5V to 42V.
LMR16006YQDDCRQ1
LMR16006YQDDCRQ1 by Texas Instruments is a small outline switching regulator with 6 terminals. It operates b/w -40 to 125 °C and supports input voltage from 4-40 V, output voltage from 0.8-36 V, and current up to 0.6 A. Ideal for automotive applications due to its compact size and pulse width modulation control technique.
LM22675MRX-ADJ/NOPB
Switching Regulator or Controllers; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES; Terminal Finish: MATTE TIN;
MC34063ADG
Shenzhen Changyuntong Ic Design
SWITCHING REGULATOR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
PTN78060WAZ
PTN78060WAZ by Texas Instruments is a switching regulator with 7 terminals, operating temperature range of -40 to 85°C, and output voltage ranging from 2.5V to 12.6V. Ideal for industrial applications, this hybrid technology device offers a max output current of 3A and operates at a frequency of up to 660kHz in a buck configuration.
L6699DTR
L6699DTR by STMicroelectronics is a switching controller with a nominal voltage of 15V and max switching frequency of 245 kHz. With a small outline package style, it is suitable for applications requiring resonant control and push-pull switcher configuration in power supplies up to 15V. The device features dual terminal position, gull wing form, and nickel palladium gold finish on its 16 terminals.
TPS560200DBVR
TPS560200DBVR by Texas Instruments is a switching regulator with a voltage-mode control technique. It has a max output current of 0.775A and operates at a max switching frequency of 600kHz. Ideal for automotive applications due to its small outline, low profile package style, and wide operating temperature range from -40°C to 125°C.
LM5146QRGYTQ1
LM5146QRGYTQ1 by Texas Instruments is a switching controller with a max output voltage of 60V and max output current of 30A. Operating in voltage-mode control technique, it has a wide input voltage range from 5.5V to 100V, making it suitable for automotive applications requiring high power efficiency. With a compact chip carrier package style and pulse width modulation, this device offers precise regulation in a small form factor for various power management needs.
UCC28950TPWRQ1
UCC28950TPWRQ1 by Texas Instruments is a switching controller with a current-mode control technique, operating at a max frequency of 1000 kHz. It has a nominal output voltage of 5 V and can handle a max output current of 0.1 A. This industrial-grade device is suitable for applications requiring precise voltage regulation in automotive electronics and other industrial systems.
LM2594HVMX-ADJ/NOPB
LM2594HVMX-ADJ/NOPB by Texas Instruments is a switching regulator with a voltage-mode control technique, operating b/w -40 to 125°C. It offers a max output current of 0.5A and supports input voltages from 4.5V to 60V, making it ideal for automotive applications requiring efficient power management in compact spaces.
LM46002PWPR
LM46002PWPR by Texas Instruments is a 16-terminal switching regulator with a max output current of 2A and max output voltage of 28V. Ideal for automotive applications, it operates b/w -40 to 125°C, supports PWM control mode, and has a buck switcher configuration.
LM2575TV-5G
LM2575TV-5G by Onsemi is a BIPOLAR SWITCHING REGULATOR with 3.2A output current, 63 kHz switching frequency, and VOLTAGE-MODE control. Ideal for automotive applications due to its AUTOMOTIVE temperature grade, it operates b/w -40°C to 125°C efficiently regulating voltage from 4.75V to 40V down to a stable 3.3V output.
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.
LM5122MH/NOPB
LM5122MH/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 voltage of 100V. Ideal for automotive applications, this IC has a compact rectangular package with 20 terminals and can handle input voltages ranging from 3V to 65V.
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LT1509IN#PBF
Analog Devices
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;
L4981B
POWER FACTOR CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 20; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
L4985A
L4985ATR
L4985B
L4981X
L4985BTR
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