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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The Onsemi 1N5444 Varactor Diode has a Min Quality Factor of 400, Max Reverse Current of 0.02uA, and Nominal Diode Capacitance of 12pF. It is used in RF applications for tuning circuits due to its Variable Capacitance Diode Classification as ABRUPT.
Median Price
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UHIMA Technologies
Corphita
Northwest PG Solutions
Native Components
Corohmni
High quality factor ensures better performance and stability in various applications.
Glass material provides durability and protection for the varactor diode, making it suitable for a wide range of environments.
Single configuration simplifies circuit design and integration.
Abrupt classification indicates fast and precise changes in capacitance, allowing for efficient signal tuning.
Low reverse current minimizes power loss and enhances overall efficiency.
Round shape facilitates easy mounting and placement within electronic systems.
High reverse test voltage rating ensures reliable operation under varying conditions.
Two terminals simplify connectivity and installation in circuits.
Long-form package style provides ample space for components and leads to better heat dissipation.
Wide operating temperature range allows for versatile usage in different environments.
The ability to operate at low temperatures increases the applicability of the varactor diode in various applications.
Tin lead finish offers strong solderability and reliable connections.
Axial terminal position enables easy installation and connection in circuits.
Isolated case connection helps prevent interference and enhances stability in signal processing.
High power dissipation capability allows for handling of higher power levels without compromising performance.
Nominal capacitance value ensures accurate tuning and control in electronic circuits.
High breakdown voltage rating ensures protection against voltage spikes and overloads.
Variable capacitance diode offers flexibility in tuning signals and adjusting circuit parameters.
Wire terminal form provides simple and reliable connections in electronic circuits.
High repetitive peak reverse voltage rating ensures long-term reliability and stability in operation.
Capacitance tolerance of 20% allows for precise tuning and adjustment in circuit designs.
Silicon material in the diode element offers high performance, reliability, and durability.
High minimum capacitance ratio ensures effective signal modulation and control in electronic circuits.
Varactor Diodes 1N5444 attributes and parameters. Explore more Varactor Diodes devices from Onsemi
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JESD-609 Code:
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1N5444 Diodes trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
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
Rochester
1983
Nampa
Pennsylvania
1997
Mountain Top
36,000
1N4148WS
Taiwan Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WT
Sangdest Microelectronics (Nanjing)
FDD5614P
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 42 W; Terminal Position: SINGLE; Terminal Form: GULL WING;
ABS25-32.768KHZ-T
Abracon
Abracon's ABS25-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 122% stability, and 50000 ohm series resistance. Ideal for applications requiring 0.032768 MHz nominal frequency, such as IoT devices and precision timing systems in industrial settings.
BAV99
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
First Components International
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Operating Temperature: 200 Cel; Config: SINGLE; No. of Elements: 1;
LM358N
Texas Instruments
LM358N by Texas Instruments is an operational amplifier with 2 functions, offering a max input offset voltage of 9000 uV and a nominal common mode reject ratio of 85 dB. Widely used in commercial applications, it operates at temperatures ranging from 0 to 70 °C and has a unity gain bandwidth of 1000 kHz.
Good-ark Electronics
RECTIFIER DIODE; Surface Mount: NO; No. of Elements: 1; Maximum Non Repetitive Peak Forward Current: .5 A; Maximum Forward Voltage (VF): 1 V; No. of Phases: 1;
Philips Semiconductors
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
BSS138
Diodes Incorporated
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Minimum DS Breakdown Voltage: 50 V; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Vishay Sprague
General Semiconductor
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.
2N2222A
ROHM
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .6 A;
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;
SS14
General Instrument
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M39029/58-360
Amphenol
CONNECTOR ACCESSORY; MIL Conformity: YES; Associated Military - Specifications: MIL-DTL-38999; Contact Gender: MALE; Terminal Type: CRIMP; IEC Conformity: NO;
CRCW040210K0FKED
Vishay Intertechnology
Vishay Intertechnology's CRCW040210K0FKED is a fixed resistor with 10000 ohm resistance, 1% tolerance, and 0.063 W power dissipation. Ideal for surface mount applications in electronics due to its compact SMT package style and high operating temperature range of -55 to 155 °C.
SMBJ18CA
Dc Components
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MMBV109L
Onsemi
MMBV109L by Onsemi is a varactor diode with a min quality factor of 200, nominal capacitance of 29 pF, and breakdown voltage of 30 V. It is designed for very high frequency applications in small outline packages, suitable for surface mount configurations at temperatures up to 125 °C.
SMV1253-040LF
Skyworks Solutions
SMV1253-040LF by Skyworks Solutions is a single hyperabrupt varactor diode with 53pF nominal capacitance, -55 to 125°C operating range, and 15V breakdown voltage. It is used in applications requiring variable capacitance diodes for RF tuning in surface mount configurations.
BBY42TRL
NXP Semiconductors
BBY42TRL by NXP Semiconductors is a variable capacitance diode designed for very high frequency applications. It features a min capacitance ratio of 12, comes in a small outline package with 3 terminals, and utilizes silicon as the diode element material. Ideal for RF tuning and voltage-controlled oscillators, it offers reliable performance in compact designs.
MMBV109LT3
MMBV109LT3 by Onsemi is a varactor diode with a min quality factor of 200, suitable for very high frequency applications. It has a nominal capacitance of 29 pF and a breakdown voltage of 30 V, making it ideal for small outline packages in surface mount configurations. With a max power dissipation of 0.2 W, this variable capacitance diode offers precise tuning capabilities in RF circuits.
BB212-AMMOPAK
BB212-AMMOPAK by NXP Semiconductors is a variable capacitance diode featuring a common cathode configuration with 2 elements. It has a min capacitance ratio of 22.5 and comes in a cylindrical plastic/epoxy package, ideal for RF tuning applications. With its through-hole design and silicon material, it ensures reliable performance in various electronic circuits.
BB204G-AMMOPAK
BB204G-AMMOPAK by NXP Semiconductors is a variable capacitance diode featuring a 2.5 min capacitance ratio and a cylindrical plastic/epoxy package. With 3 terminals in a common cathode config, it’s ideal for RF tuning applications. Its silicon elements ensure reliable performance in various circuits.
1N5148
1N5148 by Onsemi is a varactor diode with a min quality factor of 200, nominal capacitance of 47 pF, and breakdown voltage of 60 V. It is used in RF tuning circuits for applications like frequency modulation due to its variable capacitance property.
MMBV109LT1
MMBV109LT1 by Onsemi is a varactor diode with a min quality factor of 200, ideal for very high frequency applications. It features a hyperabrupt variable capacitance diode classification and a nominal capacitance of 29 pF. This small outline diode has a max power dissipation of 0.2 W and operates at a min breakdown voltage of 30 V.
MDX589N
VARIABLE CAPACITANCE DIODE; Surface Mount: YES; Nominal Diode Capacitance: .45 pF; Minimum Quality Factor: 10; Maximum Repetitive Peak Reverse Voltage: 6 V;
BB910116
VARIABLE CAPACITANCE DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
BB910133
934055721115
VARIABLE CAPACITANCE DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
934056505115
BB148
The NXP Semiconductors BB148 is a varactor diode with a max reverse current of 0.01 uA and nominal capacitance of 39.3 pF. It operates in the very high frequency to ultra high frequency band, making it suitable for applications requiring variable capacitance diodes in small outline packages. With a min operating temperature of -55 °C and max of 125 °C, it offers reliable performance across a wide temperature range.
BB910136
MDX595M
VARIABLE CAPACITANCE DIODE; Surface Mount: YES; Nominal Diode Capacitance: .8 pF; Maximum Repetitive Peak Reverse Voltage: 6 V; Minimum Quality Factor: 10;
934050190115
BB178/T3
BB804Y
VARIABLE CAPACITANCE DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
BB147T/R
VARIABLE CAPACITANCE DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
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1N5455
1N5448
1N5443
1N5453
1N5449
1N5446ARL
1N5456
1N5440
1N5448ARL
1N5452
1N5450
1N5446
1N5454
1N5442
1N5447
1N5439
1N5441
1N5445
1N5451
Aeroflex/metelics
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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