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
TE Connectivity's MA45439-287T is a single varactor diode with 8.2 pF nominal capacitance, suitable for high to ultra-high frequency applications. It features a min quality factor of 1500 and a breakdown voltage of 30 V, making it ideal for high-performance RF circuits. The diode's abrupt variable capacitance classification and gull wing terminal form ensure precise tuning in compact designs.
Median Price
-
Lifecycle Status
Suppliers In-Stock
2
In-Stock Inventory
1k+
Vyrian
1+ parts
100+ parts
1k+ parts
10k+ parts
Nova Conductors
Aztec Data Supply Inc.
$0.050
AZTECH Wire
$8.331
Continental Prestige Electronics
Argo Parts USA
Aranea Global
Having a minimum quality factor of 1500 ensures high performance and efficiency in signal transmission and reception.
The use of plastic/epoxy material ensures durability and reliability while keeping the overall weight of the product low.
The single configuration simplifies installation and maintenance processes, making it user-friendly.
The abrupt classification ensures rapid and precise capacitance changes, making it ideal for applications requiring quick adjustments.
Covers a wide range of frequencies, making it versatile for various high-frequency applications.
Surface mounting capability allows for easy integration onto circuit boards, saving space and reducing assembly time.
The rectangular shape provides efficient use of space and compatibility with standard packaging methods.
Having 3 terminals offers flexibility in circuit connections and ensures stable electrical contact.
The small outline package style saves space and facilitates compact designs.
Tin lead terminal finish provides good solderability and conductivity for reliable connections.
Dual terminal position allows for better mechanical stability and increased solder joint reliability.
The nominal capacitance value ensures precise control over capacitance for optimal performance in frequency tuning applications.
The high minimum breakdown voltage provides protection against voltage spikes or surges, enhancing overall product reliability.
Being a variable capacitance diode allows for voltage-controlled capacitance changes, enabling versatile applications in frequency tuning and modulation.
The gull wing terminal form offers easy handling during assembly and rework processes, ensuring reliable connections.
The 10% capacitance tolerance allows for consistent performance across different units and variations in capacitance values.
Silicon diode element material offers stable and reliable performance across temperature variations, contributing to long-term product durability.
The minimum capacitance ratio ensures a wide range of capacitance values for versatility in electronic applications requiring variable capacitance.
Varactor Diodes MA45439-287T attributes and parameters. Explore more Varactor Diodes devices from TE Connectivity
Minimum Breakdown Voltage:
Config:
Diode Cap Tolerance:
Minimum Diode Capacitance Ratio:
Nominal Diode Capacitance:
Diode Element Material:
Diode Type:
Frequency Band:
JESD-30 Code:
JESD-609 Code:
No. of Elements:
No. of Terminals:
Package Body Material:
Package Shape:
Package Style (Meter):
Qualification:
Minimum Quality Factor:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Variable Capacitance Diode Classification:
MA45439-287T Diodes trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
TE Connectivity is a global leader in the design and production of innovative connectors and sensors for multiple industries, such as automotive, industrial equipment, data communication systems, aerospace, defense, medical, oil and gas, consumer electronics and energy. It is an American-Swiss domiciled firm that has been providing high-quality products to its customers since 1907.
CEO
Terrence R. Curtin
Executive VP, CFO
Heath A. Mitts
Senior VP, Principal Accounting Officer
Robert J. Ott
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.
BAT54C-7-F
BAT54C-7-F by Diodes Inc. is a Schottky rectifier diode with common cathode, 2 elements, and max forward voltage of 0.24V. Ideal for applications requiring fast reverse recovery time of 0.005 us, such as in small outline packages for surface mount technology at temperatures ranging from -65 to 150°C.
GRM155R71H103KA88D
Murata Manufacturing
The Murata Manufacturing GRM155R71H103KA88D is a ceramic capacitor with 0.01uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for surface mount applications in electronics requiring compact size and high reliability.
1N4148
Fairchild Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
ULN2803A
Motorola
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; Terminal Position: DUAL; JESD-30 Code: R-PDIP-T18;
Semitronics
PIC18F4550-I/PT
Microchip Technology
PIC18F4550-I/PT by Microchip: 8-bit microcontroller with 44 terminals, 48 MHz clock frequency, and USB connectivity. Ideal for industrial applications requiring low power mode and 10-bit ADC channels.
LM317T
STMicroelectronics
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; JESD-30 Code: R-XSFM-T3; Minimum Input-Output Voltage Differential: 3 V;
2N2222A
Central Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Transistor Application: SWITCHING; Transistor Element Material: SILICON;
STM32H743IIT6
STM32H743IIT6 by STMicroelectronics is a 32-bit microcontroller with integrated cache and a max supply voltage of 3.6V. It is commonly used in industrial applications due to its wide temperature range (-40°C to 85°C) and various connectivity options (CAN, I2C, UART, USB).
LL4148
Shanghai Lunsure Electronic Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Forward Voltage (VF): 1 V; Maximum Non Repetitive Peak Forward Current: .5 A; No. of Elements: 1; Maximum Reverse Recovery Time: .004 us;
2N7002
Lite-on Semiconductor
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Qualification: Not Qualified; Additional Features: LOW THRESHOLD; Minimum DS Breakdown Voltage: 60 V;
1N4148WT
Taitron Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Surge Components
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .6 A; No. of Terminals: 3;
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;
BAV99
Temic Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
General Semiconductor
1N4148WSF-7
1N4148WSF-7 by Diodes Inc. is a single silicon rectifier diode with max output current of 0.25A and max reverse voltage of 100V. It operates b/w -55 to 150°C, has a small outline package style, and is suitable for surface mount applications in various electronic circuits.
BSS138BK,215
NXP Semiconductors
NXP Semiconductors' BSS138BK,215 is a N-CHANNEL FET with 0.36A max drain current and 0.42W power dissipation. Ideal for applications requiring single configuration and surface mount technology, such as enhancement mode operation in temperatures up to 150°C.
SS14
Jgd Semiconductors
RECTIFIER DIODE; Surface Mount: YES; Technology: SCHOTTKY; Maximum Non Repetitive Peak Forward Current: 30 A; Maximum Forward Voltage (VF): .55 V; No. of Phases: 1;
BBY31212
VARIABLE CAPACITANCE DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SVC201SPA
Onsemi
SVC201SPA by Onsemi is a single hyperabrupt varactor diode with 28.19 pF nominal capacitance and 16 V breakdown voltage. It is used in applications requiring variable capacitance diodes, featuring a through-hole terminal form and silicon diode element material.
BB804R
934033280135
VARIABLE CAPACITANCE DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BB804G
TIV306
Texas Instruments
TIV306 by Texas Instruments is a single varactor diode with a min quality factor of 200, ideal for applications requiring variable capacitance. With a nominal capacitance of 7 pF and breakdown voltage of 20 V, it offers high performance in RF tuning circuits. The diode's ceramic package and isolated case connection ensure reliable operation with a max power dissipation of 0.25 W.
934042250115
BB811-T
934056920115
VARIABLE CAPACITANCE DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4796
1N4796 by Onsemi is a varactor diode with a min quality factor of 15, max reverse current of 0.005 uA, and nominal capacitance of 47 pF. It is used in RF applications for frequency tuning due to its abrupt variable capacitance classification.
1N5448
1N5448 by Onsemi is a varactor diode with a min quality factor of 350 and max reverse current of 0.00000002 uA. It has a nominal capacitance of 22 pF, making it ideal for applications requiring variable capacitance diodes in electronic circuits. With an operating temperature range from -65 to 175 °C, this diode offers precise control over capacitance levels in RF tuning circuits.
SVD101
SVD101 by Onsemi is a single varactor diode with hyperabrupt capacitance classification, ideal for X band applications. Featuring a nominal capacitance of 1.3 pF, it has a min breakdown voltage of 27 V and max power dissipation of 0.2 W, making it suitable for microwave circuits requiring precise tuning capabilities.
BB804-4
BB804-4 by NXP Semiconductors is a variable capacitance diode designed for very high frequency applications. It features a max reverse current of 0.02 µA, operates up to 100 °C, and comes in a compact surface mount package. Ideal for tuning circuits and RF applications, it ensures efficient performance with its dual-element configuration.
BB901-T
BB911-AMMOPAK
BB911-AMMOPAK by NXP Semiconductors is a variable capacitance diode designed for very high frequency applications. It features a max reverse current of 0.01 µA, operates up to 100 °C, and has a min breakdown voltage of 32 V. Ideal for tuning circuits and RF applications, its isolated case connection ensures reliability.
BB133-T
SVC354R
The Onsemi SVC354R is a varactor diode with a min quality factor of 200, breakdown voltage of 16V, and capacitance ratio of 17.5. It is used in applications requiring variable capacitance diodes for RF tuning circuits due to its small outline package and gull wing terminals.
933215290115
BB909B-TAPE-REEL
BB909B-TAPE-REEL by NXP Semiconductors is a variable capacitance diode designed for very high frequency applications. It features a max reverse current of 0.01 µA, a breakdown voltage of 32 V, and operates up to 100 °C. Ideal for tuning circuits and RF applications, its isolated axial terminals ensure reliable performance.
MV2115
New Jersey Semiconductor Products
VARIABLE CAPACITANCE DIODE; Maximum Operating Temperature: 150 Cel; No. of Elements: 1; Minimum Operating Temperature: -55 Cel; Diode Element Material: SILICON; Config: SINGLE;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
MA45439-287T
Tyco Electronics M/a-com
M/a-com Technology Solutions
M/a-com
MA45436-TR
MA45436CK
MA45437-TR
MA45437CK-T/R
MA45439-TR
MA45439CK-T/R
MA45439CK
MA45439
MA45437CK-287T
MA45439CK-287T
MA45436-287T
MA45438CK-287T
TE Connectivity
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