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
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
-
Lifecycle Status
Suppliers In-Stock
4
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
Digiode
Resion
LittleDiode
Kulean Microsystems
SupplyDigital Components
TANS Electronics
Problanco Electronics
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
Minimum Breakdown Voltage:
Case Connection:
Config:
Diode Cap Tolerance:
Minimum Diode Capacitance Ratio:
Nominal Diode Capacitance:
Diode Element Material:
Diode Type:
JEDEC-95 Code:
JESD-30 Code:
JESD-609 Code:
No. of Elements:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Shape:
Package Style (Meter):
Maximum Power Dissipation:
Qualification:
Minimum Quality Factor:
Maximum Repetitive Peak Reverse Voltage:
Maximum Reverse Current:
Reverse Test Voltage:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Variable Capacitance Diode Classification:
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
2N2222A
General Transistor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
BAV99
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Diotec Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Sangdest Microelectronics (Nanjing)
General Semiconductor
LM2931Z-5.0G
Onsemi
LM2931Z-5.0G by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V output voltage, 0.6V dropout voltage, and 0.1A output current. It is ideal for applications requiring stable power supply in temperature-sensitive environments due to its operating range of -40°C to 125°C.
STMicroelectronics
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Operating Temperature: 200 Cel; Config: SINGLE; Terminal Finish: Tin/Lead (Sn/Pb);
LL4148
Good-ark Electronics
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM358M
Fairchild Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
Leshan Radio
BSS138
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Qualification: Not Qualified;
International Devices
Electronic Devices
Changzhou Starsea Electronics
261
Mercury Systems
Other Interface ICs; Temperature Grade: MILITARY; Terminal Form: FLAT; No. of Terminals: 14; Package Code: DFP; Package Shape: SQUARE;
Bytesonic Electronics
CSNF651
Honeywell Sensing And Control
CSNF651 by Honeywell Sensing And Control is an industrial-grade analog circuit with 3 terminals. It operates b/w -40 to 85°C, supporting supply voltages from -15V to 15V. Ideal for applications requiring a special shape rectangular package style and through-hole terminal form.
Rectron
Hy Electronic
USB2514BI-AEZG
Standard Microsystems
BUS CONTROLLER, UNIVERSAL SERIAL BUS; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 36; Package Code: HVQCCN; Package Shape: SQUARE;
MMBV809LT3G
MMBV809LT3G by Onsemi is a varactor diode with a min quality factor of 75, ideal for ultra high frequency applications. It features a nominal capacitance of 5.3 pF and a max power dissipation of 0.225 W, making it suitable for small outline packages in surface mount configurations. The diode's hyperabrupt variable capacitance classification and gull wing terminal form enhance its performance in high-frequency circuits.
BB809133
NXP Semiconductors
VARIABLE CAPACITANCE DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SVC710-TL-E
VARIABLE CAPACITANCE DIODE; JESD-609 Code: e6; Moisture Sensitivity Level (MSL): 1; Terminal Finish: Tin/Bismuth (Sn/Bi); Diode Element Material: SILICON;
LV2205ZL1
LV2205ZL1 by Onsemi is a single varactor diode with a min quality factor of 400, ideal for applications requiring variable capacitance. With a nominal capacitance of 15 pF and a breakdown voltage of 25 V, this cylindrical diode can operate at temperatures up to 150 °C, making it suitable for high-performance electronic circuits.
BB181,135
BB181,135 by NXP Semiconductors is a surface mount varactor diode ideal for tuning and frequency modulation applications. It features a max reverse voltage of 30V, peak reflow temp of 260 °C, and withstands up to 30s at peak reflow. Perfect for RF circuits!
MDX597C
Texas Instruments
VARIABLE CAPACITANCE DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 6 V; Nominal Diode Capacitance: .8 pF; Minimum Quality Factor: 20;
SVC276-TL-E
VARIABLE CAPACITANCE DIODE; Peak Reflow Temperature (C): 260; Terminal Finish: TIN BISMUTH; Diode Element Material: SILICON; Moisture Sensitivity Level (MSL): 1; JESD-609 Code: e6;
1N5443
1N5443 by Onsemi is a varactor diode with 10pF nominal capacitance, abrupt variable capacitance classification, and 30V breakdown voltage. It is used in RF applications for frequency tuning due to its high quality factor of 400 and low reverse current of 0.00000002uA.
SMV2023-011LF
Skyworks Solutions
SMV2023-011LF by Skyworks Solutions is a single hyperabrupt varactor diode with 4.9 pF capacitance, 22 V breakdown voltage, and 500 min quality factor. It's used in RF applications for frequency tuning due to its small outline package and high capacitance ratio.
MDX593M
VARIABLE CAPACITANCE DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 6 V; Minimum Quality Factor: 30; Nominal Diode Capacitance: .45 pF;
1N5694
1N5694 by Onsemi is a varactor diode with 82pF nominal capacitance, abrupt variable capacitance classification, and 225 min quality factor. It is used in RF applications for tuning circuits due to its high-quality factor and low reverse current of 0.00000002uA. Operating temperature ranges from -65 °C to 175°C.
MMDB45-B11
Aeroflex Microelectronic Solutions
VARIABLE CAPACITANCE DIODE; Surface Mount: YES; Maximum Repetitive Peak Reverse Voltage: 25 V; Nominal Diode Capacitance: .2 pF;
BBY31T/R
VARIABLE CAPACITANCE DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N5696
1N5696 by Onsemi is a varactor diode with 450 min Quality Factor, 6.8 pF nominal capacitance, and 65 V min breakdown voltage. It is used in RF tuning circuits for frequency modulation due to its abrupt variable capacitance classification. Operating temp ranges from -65 to 175 °C.
SVD102
The Onsemi SVD102 is a single varactor diode with hyperabrupt capacitance classification, ideal for X band applications. Featuring a max operating temperature of 150 °C, it offers a nominal capacitance of 7 pF and min breakdown voltage of 27 V. This surface-mount diode in microwave package style has a max power dissipation of 0.5 W, making it suitable for high-frequency circuit designs.
MV104
The Onsemi MV104 is a Varactor Diode with 2 elements, common cathode config, and abrupt variable capacitance classification. It has a min quality factor of 100, nominal capacitance of 39.5 pF, and breakdown voltage of 32 V. Ideal for RF applications due to its high-quality factor and precise capacitance control in communication systems.
934057931135
VARIABLE CAPACITANCE DIODE;
BB175
VARIABLE CAPACITANCE DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BB811
VARIABLE CAPACITANCE DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MV2109
MV2109 by Onsemi is a varactor diode with a min quality factor of 200, ideal for high frequency to ultra high frequency applications. It features a nominal capacitance of 33 pF and a max power dissipation of 0.28 W, making it suitable for RF tuning circuits in communication systems. The diode has a breakdown voltage of 30 V and is classified as an abrupt variable capacitance diode with through-hole terminal form.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
1N5455
1N5448
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
© 2023 All rights reserved