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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KA3843B by Onsemi is a current-mode switching controller with max output current of 1A and max switching frequency of 500kHz. It operates b/w 0-70°C, ideal for commercial applications requiring pulse width modulation control in a single switcher configuration.
Median Price
$0.426
Lifecycle Status
Suppliers In-Stock
18
In-Stock Inventory
1k+
Adafruit Industries
1+ parts
$1.945
100+ parts
$1.770
1k+ parts
$1.595
10k+ parts
-
Rochester
$0.357
$0.296
$0.264
DigiKey
$0.450
Verical
$0.401
$0.330
Nova Conductors
$0.237
Digiode
$0.277
Component Electronics Inc.
$0.380
$0.290
$0.250
Vyrian
Chip Stock
Cyclops Electronics Ltd
Ack Elektronik San.Tic.Ltd.Sti
Prism Electronics
Electronic Expediters
LWI Electronics Inc
ECAB
ACDS - Activité Composants Distribution Service
Holdelec - ElecDif-Pro
LittleDiode
Corohmni
$0.232
Continental Prestige Electronics
Argo Parts USA
$0.230
Ampacity Inc.
$0.248
Semicontronic
$0.242
$0.241
Corphita
$0.263
Advanced Electronics
Andel Nordic
$3.681
$3.534
Aztec Data Supply Inc.
$15.908
Metaverse IC Inc.
QUARKTWIN TECHNOLOGY LTD
Perfect Parts
Authorized Procurement Solutions
Assy Fe
TANS Electronics
Microchip USA
Kepictronics
S.R.D Solutions
Supply Digital
Problanco Electronics
SupplyDigital Components
Kulean Microsystems
Alle Elektronik GmbH
Futuretech Components
UHIMA Technologies
This material is durable and reliable, making the product a good choice for long-lasting performance.
The rectangular shape allows for easy integration into various designs, increasing versatility.
With a sufficient number of terminals, this product offers flexibility and compatibility for different setups.
The in-line package style saves space and simplifies installation, making it ideal for compact applications.
With a high maximum operating temperature, this product can withstand harsh environments and extended use.
Current-mode control ensures stable and efficient power regulation, enhancing overall performance.
The low minimum operating temperature allows for reliable operation even in cooler environments.
The tin terminal finish provides excellent conductivity and corrosion resistance, ensuring a reliable connection.
Dual terminal positions offer flexibility and convenience for different mounting options.
The compact seated height makes this product suitable for applications with limited space restrictions.
Switching Regulators & Controllers KA3843B attributes and parameters. Explore more Switching Regulators & Controllers devices from Onsemi
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KA3843B Other Function Semiconductors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
Established in 1999, Onsemi is a leading global provider of power and image-sensing technologies. They are dedicated to building a better future for the automotive, industrial, cloud, medical, and IoT markets. Onsemi's core technologies include analog, digital, and mixed-signal products that offer innovative solutions for advanced automotive systems; highly reliable power management products for industrial applications; low-cost imaging solutions for medical equipment and consumer electronics; and robust communication architectures for the Internet of Things (IoT).
President, CEO
Hassane El-Khoury
Executive VP, CFO, Treasurer
Thad Trent
Senior VP
Ross F. Jatou
Aizu Fab
Fabrication
Fab Initiation
1995
Japan
Aizu Wakamatsu
Wafer Capacity
52,000
Si/EPI Fab
2018
Czech Republic
Rožnov pod Radhoštěm
10,000
Expansion Phase 1 for SiC / EPI
2019
14,500
Expansion Phase 2 for SiC / EPI
2024
SiC Fab
2022
USA
Hudson
Bucheon
2013
South Korea
61,000
ISMF - Malaysia
1990
Malaysia
Seremban
95,000
Roznov Device Fab
1987
80,000
Fab 10
2002
East Fishkill
15,000
Burlington
1986
Canada
Gresham
1998
45,000
Bucheon 150mm
2000
50,000
1983
Nampa
Pennsylvania
1997
Mountain Top
36,000
LM2931AZ-5.0G
Onsemi
LM2931AZ-5.0G by Onsemi is a fixed positive single output LDO regulator with a nominal output voltage of 5V and max output current of 0.1A. It has a max dropout voltage of 0.6V, making it suitable for applications requiring stable power supply in temperature-sensitive environments up to 125°C. The package style is cylindrical with wire terminals, ideal for rail packing methods in various electronic devices.
1N4148
Rfe International
RECTIFIER DIODE; Surface Mount: NO; No. of Elements: 1; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Forward Voltage (VF): 1 V; Config: SINGLE;
2N2222A
M/a-com Technology Solutions
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Terminal Position: BOTTOM; Package Style (Meter): CYLINDRICAL;
LL4148
Bkc Semiconductors
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
PAP-06V-S
J S T Mfg
PAP-06V-S by J S T Mfg is a 6-contact BOARD CONNECTOR with 94V-0 UL Flammability Code. It has FEMALE contacts, CRIMP termination, and comes WITH CABLE ASSEMBLY for CABLE mounting applications.
EU2B-YS3203F
Idec
ROTARY SWITCH;
1N4148WS
Diotec Semiconductor Ag
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N5819HW-7-F
Diodes Incorporated
1N5819HW-7-F by Diodes Inc. is a Schottky rectifier diode with 40V reverse test voltage, 1A output current, and 0.75V forward voltage. It's a surface mount device in a small outline package ideal for efficiency applications at temperatures ranging from -65 to 125°C.
SPC TECHNOLOGY/ MULTICOMP
Hy Electronic
LL4148-GS08
Vishay Telefunken
Synsemi
SMBJ18CA
KYOCERA AVX
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Rectron
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Promax-johnton
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Terminal Form: GULL WING; Maximum Drain-Source On Resistance: 7.5 ohm; Minimum DS Breakdown Voltage: 60 V;
Frontier Electronics
Bytesonic Electronics
BSS84-7-F
Diodes Inc. BSS84-7-F is a P-channel FET with 50V DS breakdown voltage, 0.13A max drain current, and 10 ohm RDS(on). Ideal for switching applications, it features a single configuration with built-in diode in a small outline package. Operating in enhancement mode at up to 150°C, it has Gull Wing terminals and matte tin finish.
LM358N
Motorola
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LM25011Q1MYX/NOPB
Texas Instruments
LM25011Q1MYX/NOPB by Texas Instruments is a switching regulator with 10 terminals, operating at -40 to 125°C. It has a max output current of 2A and supports input voltages from 6V to 42V. Ideal for automotive applications, it offers a control mode of current/voltage and a max switching frequency of 2000 kHz.
LM5007MMX/NOPB
National Semiconductor
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: TSSOP; Package Shape: SQUARE; Surface Mount: YES;
LM22676MRE-ADJ/NOPB
LM22676MRE-ADJ/NOPB by Texas Instruments is a switching regulator with 8 terminals, operating temperature range of -40 to 125°C, and output voltage up to 37V. Ideal for automotive applications, it features VOLTAGE-MODE control mode, PWM technique, and max output current of 3A.
LMZM23600V3SILT
LMZM23600V3SILT by Texas Instruments is a switching regulator with a current-mode control technique, suitable for automotive applications. It offers a max output current of 0.5A, operating temperature range from -40 to 125°C, and supports buck-boost switcher configuration. With a nominal input voltage of 24V and nominal output voltage of 3.3V, it is ideal for compact microelectronic assemblies requiring efficient power management.
LM5022MME/NOPB
SWITCHING CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 10; Package Code: TSSOP; Package Shape: SQUARE; Surface Mount: YES;
SG3525AN
Silicon General
SWITCHING CONTROLLER; Temperature Grade: COMMERCIAL; No. of Terminals: 16; Package Shape: RECTANGULAR; Surface Mount: NO; Minimum Operating Temperature: 0 Cel;
TPS63900DSKR
TPS63900DSKR by Texas Instruments is a small outline switching regulator with a max output current of 0.4A and a wide input voltage range from 1.8V to 5.5V, suitable for automotive applications. It operates at temperatures ranging from -40°C to 125°C, making it ideal for various electronic devices requiring efficient power management in harsh environments. With a compact package style and pulse width modulation control technique, this device offers high performance in a space-constrained design.
TPSM828222SILR
TPSM828222SILR by Texas Instruments is a switching regulator with 2A output current and 1.8V nominal output voltage, suitable for automotive applications. It operates b/w -40 to 125°C, with a max switching frequency of 4000 kHz. This MICROELECTRONIC ASSEMBLY package has a compact size of 2.5mm x 2mm x 1.1mm, making it ideal for space-constrained designs.
TPS82140SILR
TPS82140SILR by Texas Instruments is a switching regulator with 8 terminals, operating b/w -40 to 125°C. It offers a voltage output range of 0.9-6V and can handle up to 2A output current. Ideal for automotive applications due to its compact size (3x2.8mm) and pulse width modulation control technique at a max frequency of 2500kHz.
LM2674M-ADJ/NOPB
LM2674M-ADJ/NOPB by Texas Instruments is a voltage-mode switching regulator with max output of 37V, 0.5A current, and 260kHz frequency. Ideal for automotive applications due to its DMOS technology, it operates b/w -40°C to 125°C range and supports input voltages from 6.5V to 40V.
IR1155STRPBF
Infineon Technologies
IR1155STRPBF by Infineon is a current-mode power factor controller with boost switcher config. Operating at 200 kHz, it has a nominal voltage of 15 V and max input voltage of 19 V. This small outline IC is ideal for switching regulators & controllers in applications requiring efficient power supplies.
LMZ14203HTZ/NOPB
LMZ14203HTZ/NOPB by Texas Instruments is a switching regulator with 3A output current, 5-24V output voltage range, and 1000kHz max switching frequency. Ideal for automotive applications due to its -40 to 125°C operating temperature range and compact design. Suitable for various power management needs in automotive electronics.
LTM4644IY-1#PBF
Linear Technology
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 77; Package Code: BGA; Package Shape: RECTANGULAR; Surface Mount: YES;
LM2675M-ADJ/NOPB
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
TPS5420D
TPS5420D by Texas Instruments is a voltage-mode switching regulator with a max output current of 2A and max output voltage of 31V. It operates in the automotive temperature grade range (-40 to 125°C) making it suitable for automotive applications. With a compact small outline package style, it is ideal for space-constrained designs.
LM3478MM
LM3478MM by Texas Instruments is a switching controller with current-mode control technique. It operates b/w -40 to 125°C, suitable for automotive applications. With a max output voltage of 500V and output current of 1A, it uses pulse width modulation at a frequency of up to 1000 kHz for buck-boost configurations.
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.
LM27762DSST
LM27762DSST by Texas Instruments is a switching regulator with 2 outputs, max output current of 0.25A, and max switching frequency of 2200kHz. Ideal for industrial applications requiring pulse frequency modulation control technique in a small outline package with dual terminals.
LTC3646IDE#PBF
LTC3646IDE#PBF by Analog Devices is a current-mode switching regulator with a buck configuration. It operates b/w -40 to 125 °C and supports input voltages from 4V to 40V, providing a stable output of 5V. This small outline IC is ideal for automotive applications due to its high temperature grade and compact design.
LMR51420XFDDCR
LMR51420XFDDCR by Texas Instruments is a switching regulator with 2A output current, 1100kHz max frequency, and 150°C operating temp. Ideal for applications requiring efficient power conversion in compact spaces like consumer electronics and industrial automation.
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KA3843B
Fairchild Semiconductor
SWITCHING CONTROLLER; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
Samsung
KA3842BDTF
SWITCHING CONTROLLER; Temperature Grade: COMMERCIAL; No. of Terminals: 14; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
KA3882C
KA3882CD
SWITCHING CONTROLLER; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
KA3842B
KA3845B
KA3883CDTF
KA3845BD
KA3842AC
KA3842BD
KA3883C
KA3844B
KA3844B by Onsemi is a switching controller with current-mode control technique. It operates b/w 0-70°C, supports input voltage range of 12-30V, and offers a max output current of 1A at a frequency of up to 500kHz. Ideal for applications requiring pulse width modulation in commercial-grade environments.
KA3883CD
KA3844BD
KA3842AE
KA3843BD
KA3843BDT&R
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
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