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.
Choose from over than a million of proven quality materials. Over 300 manufacturers are presented. From renowned major international players to small independent companies with a proven track record in local markets.
Featured manufacturers
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.
Median Price
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13
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1+ parts
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$0.268
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DigiKey Marketplace
Chip Stock
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$0.254
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$0.220
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Authorized Procurement Solutions
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ChipstoGo Electronic ltd
Provides durability and protection for the internal components, ensuring a longer lifespan for the product.
Allows for operation in a wide range of environments without risk of overheating.
Enhances efficiency and stability of current output, making the product suitable for various applications.
Compatible with a standard input voltage, making it easy to integrate into existing systems.
Provides sufficient power output for most common electronic devices or circuits.
Switching Regulators & Controllers KA3844B attributes and parameters. Explore more Switching Regulators & Controllers devices from Onsemi
Other IC type:
Control Mode:
Control Technique:
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JESD-30 Code:
JESD-609 Code:
Length:
No. of Functions:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Maximum Output Current:
Package Body Material:
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Package Equivalence Code:
Package Shape:
Package Style (Meter):
Qualification:
Maximum Seated Height:
Sub-Category:
Surface Mount:
Switcher Config:
Maximum Switching Frequency:
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KA3844B 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-5.0RPG
Onsemi
LM2931AZ-5.0RPG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V nominal output voltage and 0.1A max output current. It features a low dropout voltage of 0.6V, making it suitable for applications requiring stable power supply in temperature range from -40 to 125°C. The package style is cylindrical with matte tin terminal finish, ideal for various electronic devices needing precise voltage regulation.
LM107H/883
Advanced Micro Devices
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Low-Offset: NO;
LM358M
Fairchild Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
2N2222A
NXP Semiconductors
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; Maximum Operating Temperature: 150 Cel;
BAV99W-7-F
Diodes Incorporated
Diodes Incorporated BAV99W-7-F is a fast recovery rectifier diode with 2 elements in series connected, center tap configuration. It has a max reverse recovery time of 0.004 us and can handle a max output current of 0.15 A. Ideal for applications requiring fast switching capabilities and operating temperatures ranging from -65 to 150 °C.
1554216004
Molex
WIRE AND CABLE;
BAV99
Sprague Electric
RECTIFIER DIODE; Surface Mount: YES; Maximum Forward Voltage (VF): 1.3 V; Maximum Output Current: .1 A; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 175 Cel;
NDT2955
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.
261
Deltrol Controls
Other Relays;
LAN8720A-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: OTHER; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
2N7002
Dc Components
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; No. of Elements: 1; Terminal Form: GULL WING;
Comchip Technology
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
M39029/58-360
Itt Cannon
CONNECTOR ACCESSORY; Alternate Contacts: 030-2042-000; DIN Conformity: NO; Contact Gender: MALE; Terminal Type: WIRE; MIL-Connector Accessory Name: CONTACT;
Diotec Semiconductor Ag
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .6 A; Maximum Time At Peak Reflow Temperature (s): 10;
Motorola
RECTIFIER DIODE; Surface Mount: YES; Maximum Output Current: .1 A; Maximum Reverse Recovery Time: .006 us; Maximum Repetitive Peak Reverse Voltage: 70 V; JESD-609 Code: e0;
1N4148WS
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Itt Semiconductor
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM555CN
Harris Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
CRCW080510K0FKEA
Vishay Intertechnology
Vishay Intertechnology's CRCW080510K0FKEA is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.125 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 reference standard compliance and -55 to 155 °C operating temperature range.
Zetex Plc
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): 260; Package Shape: RECTANGULAR;
AP64501SP-13
AP64501SP-13 by Diodes Inc. is a switching regulator with max output voltage of 40V, min input voltage of 3.8V, and max operating temp of 85°C. Ideal for industrial applications requiring pulse frequency modulation control technique in a small outline package style.
LT1933ES6#TRPBF
Analog Devices
Analog Devices' LT1933ES6#TRPBF is a current-mode switching regulator with 1.05A output current, ideal for buck applications. Operating b/w 0-70°C, it supports input voltages from 3.6V to 36V and offers a max switching frequency of 600kHz in a small outline package.
LM3150MH/NOPB
Texas Instruments
LM3150MH/NOPB by Texas Instruments is a switching controller with 14 terminals, operating temperature range of -40 to 125°C, and max output current of 12A. It is ideal for automotive applications due to its hysteric current mode control technique and wide input voltage range from 6V to 42V. The compact rectangular package with small outline and heat sink makes it suitable for space-constrained designs.
UC2843BD1R2G
UC2843BD1R2G by Onsemi is a current-mode switching controller with max output current of 1A and max switching frequency of 500kHz. Ideal for applications requiring pulse width modulation control technique, it operates b/w -25 to 85°C temperature range in a small outline package.
LTM8055MPY#PBF
Linear Technology
SWITCHING REGULATOR; Temperature Grade: MILITARY; No. of Terminals: 121; Package Code: BGA; Package Shape: SQUARE; Surface Mount: YES;
LM2675MX-5.0
LM2675MX-5.0 by Texas Instruments is a switching regulator with 2.2A output current, 275kHz max switching frequency, and 5V nominal output voltage. Ideal for automotive applications due to its DMOS technology, it operates b/w -40°C to 125°C temperature range and supports input voltages from 6.5V to 40V.
LM2575T-5.0/NOPB
LM2575T-5.0/NOPB by Texas Instruments is a switching regulator with a max output current of 1A and a max operating temperature of 125°C. It is commonly used in automotive applications due to its temperature grade and moisture sensitivity level.
TPS82130SILT
TPS82130SILT by Texas Instruments is a voltage-mode switching regulator with 3A output current, operating at -40 to 125°C. Ideal for automotive applications, it offers a wide input voltage range of 3-17V and a compact package style of 2.8mm x 3mm, making it suitable for space-constrained designs.
TPS62170DSGT
TPS62170DSGT by Texas Instruments is a switching regulator with a nominal input voltage of 12V and max output current of 0.5A. Operating in hysteric current mode, it has a max switching frequency of 2250 kHz and is ideal for industrial applications requiring efficient power management in compact spaces.
LT8640SIV#PBF
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 24; Package Code: HQCCN; Package Shape: SQUARE; Surface Mount: YES;
TPS55340QRTERQ1
TPS55340QRTERQ1 by Texas Instruments is a 16-terminal switching regulator with 3-38V output voltage range. Ideal for automotive applications, it operates b/w -40 to 125°C, supports up to 7.75A output current, and uses pulse width modulation control technique at a max frequency of 2500 kHz.
LM2674MX-5.0/NOPB
LM2674MX-5.0/NOPB by Texas Instruments is a voltage-mode switching regulator with 8 terminals, operating b/w -40 to 125°C. It offers a max output current of 0.5A, nominal output voltage of 5V, and supports buck configuration. Ideal for automotive applications due to its compact size (4.9mm x 3.9mm) and DMOS technology with PWM control technique at a max frequency of 260kHz.
UCC25600DRG4
UCC25600DRG4 by Texas Instruments is a voltage-mode switching controller with BICMOS technology. It operates in automotive-grade temperatures (-40 to 125°C) and supports input voltages from 11V to 18V. With a max switching frequency of 400 kHz, it's ideal for applications requiring resonant control in compact designs.
LM2674M-5.0/NOPB
National Semiconductor
SWITCHING REGULATOR; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
TL494CDR
TL494CDR by Texas Instruments is a voltage-mode switching controller with a nominal output voltage of 5V and max output current of 0.25A. It operates in push-pull configuration at a max switching frequency of 300kHz, suitable for various commercial applications requiring precise PWM control. The IC's compact small outline package makes it ideal for space-constrained designs.
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.
LM22680MRX-ADJ/NOPB
LM22680MRX-ADJ/NOPB by Texas Instruments is a voltage-mode switching regulator with 2A output current, 1.285V min output voltage, and 37V max output voltage. Ideal for automotive applications due to its low profile design and wide operating temperature range from -40°C to 125°C.
LM3478MMX/NOPB
SWITCHING CONTROLLER; Temperature Grade: AUTOMOTIVE; No. of Terminals: 8; Package Code: TSSOP; Package Shape: SQUARE; Surface Mount: YES;
LM2671M-5.0/NOPB
LTC3646HDE-1#PBF
LTC3646HDE-1#PBF by Analog Devices is a current-mode switching regulator with 14 terminals, operating from -40 to 150°C. It has a buck configuration, supporting input voltages from 4V to 40V and output at 5V. Ideal for automotive applications due to its small size (4x3mm) and high max switching frequency of 3kHz.
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KA3843B
SWITCHING CONTROLLER; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
Samsung
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.
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
KA3883CD
KA3844BD
KA3842AE
KA3843BD
KA3843BDT&R
KA3842AES
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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