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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$0.500
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$2.333
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$4.387
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$7.013
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$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
1N4148
American Power Devices
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Renesas Electronics
BSS138
Vishay Semiconductors
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Package Style (Meter): SMALL OUTLINE; Package Shape: RECTANGULAR; Transistor Application: SWITCHING;
BAT54SLT1G
Onsemi
BAT54SLT1G by Onsemi is a fast recovery Schottky diode with 2 elements in series connected configuration. It has a max reverse recovery time of 0.005 us and a max forward voltage of 0.8 V. Ideal for applications requiring high-speed rectification, it operates b/w -55 to 150 °C and can handle a max output current of 0.2 A.
LL4148
SPC TECHNOLOGY/ MULTICOMP
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
EU2B-YS2J03C
Idec
ROTARY SWITCH;
LL4148-GS08
Telefunken Microelectronics
RECTIFIER DIODE; Surface Mount: YES; JESD-609 Code: e0; No. of Elements: 1; Maximum Operating Temperature: 175 Cel; Maximum Non Repetitive Peak Forward Current: 2 A;
SS495ASP
Micro Switch
The Micro Switch SS495ASP is an analog circuit IC with a supply voltage range of 4.5V to 10.5V, suitable for automotive applications. Its package body material is plastic/epoxy, and it has a rectangular shape with three terminals. Operating temperature ranges from -40°C to 125°C, making it ideal for various automotive sensor and control systems.
BAV99
Weitron Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Operating Temperature: 150 Cel; Maximum Output Current: .215 A; JESD-609 Code: e0; Maximum Forward Voltage (VF): .715 V;
ULN2803ADWR
Texas Instruments
ULN2803ADWR by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates b/w -40 to 85°C, has a max supply voltage of 3V, and is ideal for buffer or inverter-based applications requiring sink current flow direction.
AH180-WG-7
Diodes Incorporated
AH180-WG-7 by Diodes Inc. is a magnetic field sensor with 1.5mT hysteresis, 0.30V output range, and 9mA max operating current. Ideal for applications requiring non-inverting analog voltage output in a compact rectangular package suitable for surface mount installations.
Vishay Intertechnology
The Vishay Intertechnology LL4148-GS08 is a glass diode with fast recovery time of 0.008 us and max reverse current of 5 uA. Ideal for applications requiring rectification, it has a breakdown voltage of 100 V and can handle a peak forward current of 2 A.
STM32H753IIK6
STMicroelectronics
STM32H753IIK6 by STMicroelectronics is a 32-bit microcontroller with 176 terminals, operating at up to 48 MHz. It features 20-Ch 16-Bit ADCs, 2-Ch 12-Bit DACs, and peripherals like CAN, ETHERNET, and USB. Ideal for industrial applications requiring high-speed processing and extensive connectivity options.
DS18B20U+
Maxim Integrated
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: SQUARE; Housing: PLASTIC; Minimum Supply Voltage: 3 V;
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Excel (Suzhou) Semiconductor
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;
2N7002
North American Philips Discrete Products Div
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Operating Mode: ENHANCEMENT MODE; Maximum Drain Current (ID): .115 A;
LMZ23605TZE/NOPB
LMZ23605TZE/NOPB by Texas Instruments is a switching regulator with 5A output current, 950 kHz max switching frequency, and 3.3V nominal output voltage. Ideal for industrial applications requiring efficient power management in a compact package.
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.
TPS54060DGQ
TPS54060DGQ by Texas Instruments is a switching regulator with a max output current of 0.5A and max input voltage of 60V, suitable for automotive applications. It operates in current-mode control with a PWM technique, offering a wide temperature range from -40 to 150°C. The compact square package style makes it ideal for space-constrained designs.
LM2675MX-ADJ/NOPB
LM2675MX-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. With a compact small outline package style and pulse width modulation control technique, this DMOS technology-based regulator offers reliable performance in space-constrained environments.
LM27761DSGT
LM27761DSGT by Texas Instruments is a small outline, heat sink package with 8 terminals. It operates at -40 to 85°C and supports input voltage from 2.7V to 5.5V, outputting up to -1.5V at 0.25A max current. Ideal for industrial applications requiring a switched capacitor inverter with pulse frequency modulation control technique.
BD9G101G-TR
ROHM
ROHM's BD9G101G-TR is a switching regulator with max. output current of 0.5A, operating temp. range -40 to 105°C, and PWM control mode. Ideal for industrial applications requiring a compact design and high efficiency power conversion up to 42V input voltage and 5V output voltage.
MC34063ADG
MC34063ADG by Onsemi is a switching regulator with 8 terminals, operating b/w 0-70°C. It has a max output current of 1.5A and supports voltage-mode control technique at a frequency of up to 100 kHz. Ideal for applications requiring efficient power conversion in compact spaces.
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.
LTC3646EDE#PBF
Analog Devices
LTC3646EDE#PBF by Analog Devices is a current-mode switching regulator with a buck configuration. It operates in an industrial temperature range from -40°C to 85°C, suitable for various applications. With a max input voltage of 40V and nominal output voltage of 5V, it offers efficient power management in compact designs.
LM2678S-3.3/NOPB
LM2678S-3.3/NOPB by Texas Instruments is a switching regulator with a max output current of 5A, operating temp range of -40 to 125°C, and control mode as voltage-mode. It is ideal for automotive applications due to its compact size, PWM control technique, and wide input voltage range from 8V to 40V.
LM5007MMX/NOPB
National Semiconductor
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: TSSOP; Package Shape: SQUARE; Surface Mount: YES;
LM2574M-5.0/NOPB
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 14; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
TPS82150SILT
TPS82150SILT by Texas Instruments is a voltage-mode switching regulator with 8 terminals, operating b/w -40 to 125°C. It offers a wide input range of 3-17V, output from 0.9-6V at 1A max current. Ideal for automotive applications due to its compact size and hybrid technology with PWM control.
LM2675M-5.0/NOPB
LM2675M-5.0/NOPB by Texas Instruments is a voltage-mode switching regulator with 1A output current, 5V nominal output voltage, and 260kHz max switching frequency. Ideal for automotive applications due to its -40 to 125°C operating temperature range and compact small outline package style.
LMR62014XMFE/NOPB
LMR62014XMFE/NOPB by Texas Instruments is a switching regulator with 5 terminals, operating b/w -40 to 125 °C. It has a min output voltage of 3 V and max of 20 V, suitable for automotive applications due to its compact size and pulse width modulation control technique.
LM2574HVMX-5.0/NOPB
EN5322QI-T
Altera
EN5322QI-T by Altera is a voltage-mode switching regulator with a max output current of 2A and a max switching frequency of 4kHz. It is commonly used in industrial applications due to its temperature grade and moisture sensitivity level.
LM5008AMMX/NOPB
Switching Regulator or Controllers; No. of Terminals: 8; Package Code: TSSOP; Package Shape: RECTANGULAR; Surface Mount: YES; JESD-30 Code: R-PDSO-G8;
XTPS61023DRLR
XTPS61023DRLR by Texas Instruments is a small outline switching regulator with 6 terminals, operating b/w -40 to 125 °C. It utilizes current-mode control technique, PWM, and boost configuration for automotive applications. With a max input voltage of 5.5V and switching frequency of 1MHz, it's ideal for compact designs requiring efficient power management.
LMZ14203TZE-ADJ/NOPB
LMZ14203TZE-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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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
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