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
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
UHIMA Technologies
Futuretech Components
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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JESD-609 Code:
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No. of Functions:
No. of Terminals:
Maximum Operating Temperature:
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Maximum Output Current:
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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
2N2222A
Asi Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
SMBJ18CA
Dc Components
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Onsemi
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM358AN
NXP Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
Cobham Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Minimum DC Current Gain (hFE): 100; Maximum Turn Off Time (toff): 300 ns;
ULN2803A
Sanken Electric
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; JESD-30 Code: R-PDIP-T18; Package Body Material: PLASTIC/EPOXY;
LM358N
STMicroelectronics
C1206C104K5RACTU
KEMET Corporation
KEMET C1206C104K5RACTU 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 SMT applications due to its rectangular package shape and wraparound terminals.
2N7002
General Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; JEDEC-95 Code: TO-236AB; Qualification: Not Qualified; Package Style (Meter): SMALL OUTLINE;
DS18B20U+
Analog Devices
DS18B20U+ by Analog Devices is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. Suitable for applications requiring digital output and surface mounting feature.
1N4148
Microchip Technology
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
MBR1560CT
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Surface Mount: NO; Maximum Operating Temperature: 150 Cel; Maximum Repetitive Peak Reverse Voltage: 60 V; Technology: SCHOTTKY; Maximum Non Repetitive Peak Forward Current: 150 A;
BSS138
National Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Maximum Feedback Capacitance (Crss): 10 pF; JEDEC-95 Code: TO-236AB;
Raytheon Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Minimum DC Current Gain (hFE): 100; Maximum Turn On Time (ton): 35 ns;
SS14
Forward International Electronics
RECTIFIER DIODE; Surface Mount: YES; Maximum Operating Temperature: 150 Cel; No. of Elements: 1; No. of Phases: 1; Maximum Output Current: 1 A;
BAV99
Itt Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
M24308/2-1F
Souriau
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Body or Shell Style: RECEPTACLE; MIL Conformity: YES;
Jgd Semiconductors
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Polarity: BIDIRECTIONAL; Maximum Clamping Voltage: 29.2 V; Nominal Breakdown Voltage: 21.2 V; Maximum Repetitive Peak Reverse Voltage: 18 V;
Central Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Maximum Drain Current (ID): .115 A; Maximum Drain Current (Abs) (ID): .115 A;
Nexperia
AOZ1282CI-2
Alpha & Omega Semiconductor
SWITCHING REGULATOR; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; Peak Reflow Temperature (C): NOT SPECIFIED;
LM25116MHX/NOPB
Texas Instruments
LM25116MHX/NOPB by Texas Instruments is a current-mode switching controller with a max output current of 20A and a max switching frequency of 1MHz. It operates in automotive-grade temperatures (-40 to 125°C) and is suitable for applications requiring high efficiency power conversion, such as automotive electronics and industrial automation systems.
LM5009MMX/NOPB
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: TSSOP; Package Shape: SQUARE; Surface Mount: YES;
171050601
Wuerth Elektronik & Kg
171050601 by Wurth Elektronik is a switching regulator with a control mode of current-mode and pulse width modulation. It has a nominal input voltage of 12V, nominal output voltage of 3.3V, and is designed for automotive applications due to its temperature grade. The package style is small outline with gull wing terminals, making it suitable for surface mount applications in various electronic devices.
LTC1983ES6-5#TRMPBF
Linear Technology
SWITCHED CAPACITOR REGULATOR; Temperature Grade: COMMERCIAL; No. of Terminals: 6; Package Code: VSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
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.
TPS60400DBVT
TPS60400DBVT 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 from -40°C to 85°C, making it suitable for various applications requiring a nominal input voltage of 5V and a min output voltage of -5V.
TPS54308DDCT
TPS54308DDCT by Texas Instruments is a switching regulator with 3A output current, 1V min output voltage, and 350kHz max switching frequency. Ideal for automotive applications due to its -40 to 125°C operating temperature range and compact design.
NCP3170ADR2G
NCP3170ADR2G by Onsemi is a current-mode switching regulator with 3A output, 550kHz max frequency, and 85°C operating temp. Ideal for industrial applications requiring efficient power control in compact spaces.
LM3481MMX/NOPB
LM3481MMX/NOPB by Texas Instruments is a switching controller with a max output current of 1A and a max output voltage of 500V. It operates in current-mode control technique, suitable for automotive applications due to its wide temperature range. The package style is small outline with thin profile, making it ideal for space-constrained designs.
ICL7660SCBAZ-T
Rochester Electronics
SWITCHED CAPACITOR CONVERTER; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
LMR33630ADDA
LMR33630ADDA by Texas Instruments is a switching regulator with 3A output current, 1V min output voltage, and 34V max output voltage. Ideal for automotive applications, it operates b/w -40 to 125°C and supports a wide input range of 3.8-36V.
TPS56339DDCR
TPS56339DDCR by Texas Instruments is a switching regulator with 3A output current, 500kHz max switching frequency, and -40 to 125°C operating temp. Ideal for automotive applications due to its compact size, pulse width modulation control technique, and buck switcher configuration.
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.
SG3525AN
SWITCHING CONTROLLER; Temperature Grade: COMMERCIAL; No. of Terminals: 16; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
Switching Regulator or Controllers; No. of Terminals: 10; Package Code: TSSOP; Package Shape: RECTANGULAR; Surface Mount: YES; Maximum Switching Frequency: 550 kHz;
FAN5331SX
FAN5331SX by Onsemi is a small outline, low profile switching regulator with 5 terminals. It operates b/w -40 to 85°C and supports input voltage range of 2.7-5.5V. With a max output current of 1A and PWM control technique, it's ideal for boost applications in industrial settings.
LM2674M-5.0/NOPB
LM2674M-5.0/NOPB by Texas Instruments is a voltage-mode switching regulator with a max output current of 0.5A and a max output voltage of 37V, suitable for automotive applications. Operating b/w -40°C to 125°C, it has a small outline package style and offers a wide input voltage range from 6.5V to 40V, making it ideal for various power supply designs.
LM5007SD/NOPB
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: HVSON; Package Shape: SQUARE; Surface Mount: YES;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
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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