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
Api Technologies' 290-20-21 is a COAXIAL FIXED ATTENUATOR with 20 dB Nominal Attenuation, handling up to 53.98 dBm CW power and supporting frequencies from 0 to 18000 MHz. Ideal for RF applications requiring precise signal control and low VSWR.
Median Price
$229.855
Lifecycle Status
Suppliers In-Stock
12
In-Stock Inventory
1k+
Farnell
1+ parts
$187.140
100+ parts
-
1k+ parts
10k+ parts
DigiKey
$203.350
Element14
$209.653
RS Americas
$227.310
Master Electronics
$232.400
$211.270
Mouser Electronics
$239.370
RS (Exports)
$256.050
Verical
$293.553
IBS Electronics
$349.952
Dynamic Solutions
Shortec Electronics
ACDS - Activité Composants Distribution Service
Neutron USA
$371.090
Authorized Procurement Solutions
High maximum input power allows for handling of strong signals without damage, ensuring durability and reliability.
Low VSWR indicates minimal signal reflection and better impedance matching, resulting in improved signal quality.
Provides a significant reduction in signal strength, useful for adjusting signal levels in RF/microwave systems.
Coaxial construction ensures better shielding and minimizes signal loss, making it suitable for high-frequency applications.
Gold terminal finish enhances conductivity and corrosion resistance, ensuring consistent performance over time.
Fixed attenuators provide a constant level of signal reduction, making them ideal for applications where signal attenuation is required.
Standard 50 ohm impedance ensures compatibility with common RF/microwave systems and components.
Wide frequency range from 0 MHz upwards allows for versatile use across various applications.
Panel mount design enables easy installation and secure mounting in equipment or systems.
High maximum operating frequency supports usage in a wide range of RF and microwave systems, catering to diverse applications.
RF/Microwave Attenuators 290-20-21 attributes and parameters. Explore more RF/Microwave Attenuators devices from Api Technologies
Additional Features:
Nominal Attenuation:
Characteristic Impedance:
Construction:
Maximum Input Power (CW):
JESD-609 Code:
Mounting Feature:
Maximum Operating Frequency:
Minimum Operating Frequency:
RF or Microwave Device Type:
Terminal Finish:
Maximum Voltage Standing Wave Ratio:
For more than 70 years our company has led the way in developing reliable, high-performance technologies for powering and conditioning RF and microwave signals and protecting electronic equipment from electromagnetic interference. We continue to push out the limits of the possible today, innovating in material science, design engineering, and manufacturing technologies. We are a company that is transforming in profound ways. Our recent name change to Spectrum Control from APITech is a very public way of embracing these changes. Headquartered in Fairview, PA, USA, Spectrum Control provides rugged, reliable and efficient components, subsystems, and custom solutions. Our multiple locations listed below include engineering centers, manufacturing facilities, and support offices in the United States, Canada, Mexico, the United Kingdom, and Germany. We also have sales and support teams located regionally around the world.
BSS138
Infineon Technologies
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Maximum Drain Current (Abs) (ID): .2 A; Maximum Feedback Capacitance (Crss): 8 pF;
OPA2227UA
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
NDT2955
Fairchild Semiconductor
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 3 W; Package Style (Meter): SMALL OUTLINE; Maximum Drain Current (Abs) (ID): 2.5 A;
RC0402FR-0710KL
Yageo
Yageo's RC0402FR-0710KL is a 10000 ohm SMT fixed resistor with 1% tolerance, suitable for applications requiring a rated power dissipation of 0.0625 W. With a temperature coefficient of 100 ppm/°C, it operates b/w -55 to 155 °C, making it ideal for various electronic circuits.
DS18B20
Dallas Semiconductor
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 3; Package Shape or Style: ROUND; Housing: PLASTIC; Output Interface Type: 1-WIRE INTERFACE;
2N7002
Onsemi
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Terminal Finish: Matte Tin (Sn) - annealed; Transistor Element Material: SILICON;
BSS84PH6327XTSA2
BSS84PH6327XTSA2 by Infineon is a P-CHANNEL FET with 60V DS breakdown voltage, ideal for switching applications. It features a single configuration with built-in diode and operates in enhancement mode. With a max drain current of 0.17A and on-resistance of 8 ohm, it offers reliable performance in small outline packages.
MBR0540T1G
MBR0540T1G by Onsemi is a Schottky rectifier diode with max. forward voltage of 0.62V and max. output current of 0.5A, ideal for applications requiring high efficiency power conversion in small outline packages. Operating temp range: -55 to 150°C, with peak reflow temp at 260°C, making it suitable for various electronic devices needing reliable rectification performance in compact designs.
1N4148
Diotec Semiconductor Ag
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
BSS138W-7-F
Multicomp Pro
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Transistor Element Material: SILICON; No. of Elements: 1;
SS14
Promax-johnton
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WT
Continental Device India
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Texas Instruments
OPA2227UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 200 uV and bias current of 0.01 uA. It operates at temperatures ranging from -40 to 85 °C, making it suitable for industrial applications requiring precise signal amplification. With a unity gain bandwidth of 8000 kHz, this op amp is ideal for high-frequency circuit designs.
Rectron
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Operating Mode: ENHANCEMENT MODE; Maximum Operating Temperature: 150 Cel; Terminal Form: GULL WING;
National Semiconductor
LM358N
Taejin Technology
OPERATIONAL AMPLIFIER; Temperature Grade: AUTOMOTIVE; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
LFXTAL025159REEL
Iqd Frequency Products
LFXTAL025159REEL by IQD Frequency Products is a 32.768 kHz crystal oscillator with 20 ppm frequency tolerance and 40,000 ohm series resistance. It is ideal for applications requiring precise timekeeping, such as real-time clocks in IoT devices or microcontrollers in wearables. The surface-mount design with a drive level of 1 uW makes it suitable for compact electronic systems.
SMBJ18CA
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Comchip Technology
1N4148WS
Good-ark Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2-5
Aeroflex/weinschel
FIXED ATTENUATOR; Additional Features: N-F; N-M, I/P POWER-MAX(PEAK)=1000W; JESD-609 Code: e4; Maximum Input Power (CW): 36.99 dBm; Minimum Operating Temperature: -55 Cel; Maximum Voltage Standing Wave Ratio: 1.35;
TS0300W3F
Smiths Group Plc
TS0300W3F by Smiths Group Plc is a RF/Microwave Attenuator with 33.01 dBm CW power, 1.5 VSWR, and 0 dB nominal attenuation. Ideal for fixed attenuator applications in the frequency range of 0-12400 MHz, it operates b/w -55 to 150 °C with a characteristic impedance of 50 ohm.
YAT-10+
Mini-circuits
YAT-10+ by Mini-circuits is a 50 ohm fixed attenuator with 10.87 dB nominal attenuation, handling up to 33.01 dBm CW power and VSWR of 1.9. Ideal for RF/Microwave applications, it operates from -40°C to 85°C across frequencies ranging from DC to 18 GHz.
4R-6
Cobham Plc
4R-6 by Cobham Plc is a RF/Microwave Attenuator with max input power of 33.01 dBm and VSWR of 1.25. It operates b/w -50 to 125°C, ideal for applications requiring fixed attenuation in the frequency range of 0-3000 MHz.
44-10
44-10 by Cobham Plc is a fixed attenuator with 10 dB nominal attenuation, handling up to 36.99 dBm CW power. With a VSWR of 1.25, it operates in the RF/Microwave range from 0-18000 MHz, making it ideal for signal attenuation in various applications.
66-10-32
Api Technologies
FIXED ATTENUATOR; Mounting Feature: PANEL MOUNT; Minimum Operating Temperature: -55 Cel; Characteristic Impedance: 50 ohm; JESD-609 Code: e4; Maximum Operating Temperature: 100 Cel;
8126
Mercury Systems
VARIABLE ATTENUATOR; Maximum Operating Temperature: 125 Cel; Construction: COAXIAL; Maximum Voltage Standing Wave Ratio: 2; Maximum Operating Frequency: 10000 MHz; Additional Features: SMA;
HMC467LP3ETR
Analog Devices
Analog Devices' HMC467LP3ETR is a RF/Microwave Attenuator with 6 dB Nominal Attenuation, 30 dBm Max Input Power (CW), and 1.2 dB Max Insertion Loss. Ideal for applications requiring precise signal attenuation in the frequency range of 0-6000 MHz.
AT-12+
Mini-circuits AT-12+ is a 12 dB fixed attenuator with max input power of 30 dBm and VSWR of 1.7, ideal for RF applications up to 1500 MHz. It features a characteristic impedance of 50 ohms and is designed as a component for signal attenuation in RF/microwave circuits.
LCAT1001-02
L-com
FIXED ATTENUATOR;
HMC1019LP4E
Analog Devices' HMC1019LP4E is a RF/Microwave Attenuator with 31 dB Nominal Attenuation, 26.99 dBm Max Input Power (CW), and 6.5 dB Max Insertion Loss. It operates b/w -40 to 85°C, has a characteristic impedance of 50 ohm, and is ideal for variable attenuation in RF/microwave applications up to 30 GHz.
44-2
FIXED ATTENUATOR; Minimum Operating Frequency: 0 MHz; Maximum Operating Temperature: 85 Cel; Additional Features: N-F; N-M, I/P POWER-MAX(PEAK)=1000W; Maximum Input Power (CW): 36.99 dBm; Nominal Attenuation: 2 dB;
5401
Emc Technology & Florida Rf Labs
FIXED ATTENUATOR; Minimum Operating Temperature: -55 Cel; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 150 Cel; Maximum Operating Frequency: 2500 MHz; Characteristic Impedance: 50 ohm;
82-40-21
FIXED ATTENUATOR; Terminal Finish: GOLD; Maximum Voltage Standing Wave Ratio: 1.25; Maximum Operating Frequency: 3000 MHz; Characteristic Impedance: 50 ohm; Additional Features: 7/16-F; 7/16-M, I/P POWER-MAX(PEAK)=10000W;
55-2
55-2 by Cobham Plc is a COAXIAL fixed attenuator with 2 dB nominal attenuation, handling up to 36.99 dBm CW power. With a VSWR of 1.35, it operates from -55°C to 125°C and covers frequencies from 0 MHz to 18 GHz, making it ideal for RF/Microwave applications.
R411820124
Radiall S A
R411820124 by Radiall S A is a 20 dB fixed attenuator with max input power of 30 dBm and VSWR of 1.3. Ideal for RF applications, it operates from -40°C to 85°C within the frequency range of 0-3000 MHz.
HMC624LFLP4ETR
Analog Devices' HMC624LFLP4ETR is a GaAs-based variable attenuator with 24 terminals, operating b/w -40 °C to 85°C. It has a power supply of 5V and is designed for RF/microwave applications. The surface-mount package body material is made of plastic/epoxy, making it suitable for various communication systems.
44-4
FIXED ATTENUATOR; Minimum Operating Frequency: 0 MHz; Nominal Attenuation: 4 dB; Additional Features: N-F; N-M, I/P POWER-MAX(PEAK)=1000W; Maximum Voltage Standing Wave Ratio: 1.25; Minimum Operating Temperature: -50 Cel;
HMC542BLP4E
Analog Devices' HMC542BLP4E is a RF/Microwave Attenuator with 31.5 dB Nominal Attenuation, 27.99 dBm Max Input Power (CW), and 2.3 dB Max Insertion Loss. Ideal for applications requiring variable attenuation in the frequency range of 0-4000 MHz, such as signal processing and communication systems.
HMC425LP3TR
HMC425LP3TR by Analog Devices is a RF/Microwave Attenuator with 31.5 dB Nominal Attenuation, 4.3 dB Max Insertion Loss, and operates b/w 2200-8000 MHz. It is a variable attenuator suitable for applications requiring precise signal control in the frequency range of 2.2-8 GHz.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
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