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
$226.926
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
Verical
$226.541
RS Americas
$227.310
Mouser Electronics
$232.400
Master Electronics
$211.270
RS (Exports)
$256.050
IBS Electronics
$258.076
Dynamic Solutions
Shortec Electronics
ACDS - Activité Composants Distribution Service
Neutron USA
$478.850
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.
BAV99
Weitron Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Operating Temperature: 150 Cel; Maximum Output Current: .215 A; JESD-609 Code: e0; Maximum Forward Voltage (VF): .715 V;
EU2B-YS3303C
Idec
ROTARY SWITCH;
C0603C104K5RACTU
KEMET Corporation
KEMET C0603C104K5RACTU is a ceramic capacitor with 0.1uF capacitance and 50V URdc. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications requiring compact size and reliable performance in various electronic circuits.
LM555CMX
Onsemi
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
M39029/56351
Esterline Technologies
CONNECTOR ACCESSORY; IEC Conformity: NO; Contact Gender: FEMALE; DIN Conformity: NO; MIL-Connector Accessory Name: CONTACT; Tool Settings: M22520/2-10;
M24308/2-1F
Positronic Industries
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; Additional Features: STANDARD: MIL-DTL-24308, POLARIZED; Body or Shell Style: RECEPTACLE;
2N7002
Calogic
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): NOT SPECIFIED; Terminal Position: DUAL;
1N4148WS
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
ULN2803ADW
Texas Instruments
ULN2803ADW by Texas Instruments is a peripheral driver with 8 functions, open-collector output characteristics, and built-in transient protections. It operates b/w -40 to 85 °C and has a max supply voltage of 3 V. Ideal for applications requiring buffer or inverter-based peripheral drivers with sink current flow direction.
1N4148
Taitron Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
TM4C1294NCPDTI3
TM4C1294NCPDTI3 by Texas Instruments is a 32-bit microcontroller with Cortex-M4F CPU family. It features 8KB data EEPROM, 20-Ch 12-Bit ADC channels, and 32 DMA channels. Ideal for industrial applications requiring high-speed processing, it offers connectivity options like CAN, Ethernet, I2C, SPI, UART, and USB.
LM555CMX by Texas Instruments is an Analog Waveform Generation IC with 8 terminals. It operates at a nominal voltage of 5V and supports power supplies ranging from 5V to 15V. This versatile IC, housed in a small outline package, is commonly used for pulse and rectangular waveform generation in commercial temperature environments.
MBRS360T3G
MBRS360T3G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.63V and a max output current of 3A. It is designed for applications requiring high-speed switching and low power loss, making it suitable for use in various electronic devices.
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;
Bytesonic Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Terminal Position: DUAL; Minimum Operating Temperature: -55 Cel;
IRLML6401TRPBF
Infineon Technologies
IRLML6401TRPBF by Infineon is a P-CHANNEL FET for SWITCHING applications. It features a 12V DS Breakdown Voltage, 34A IDM, and 0.05ohm RDS(on). With a small outline package style, it operates in an ambient temperature range of -55 to 150 °C.
BSS138NH6327XTSA2
BSS138NH6327XTSA2 by Infineon is a N-CHANNEL FET with 60V DS Breakdown Voltage, ideal for small signal applications. Operating in Enhancement Mode, it has 0.36W Power Dissipation and 3.5 ohm Drain-Source Resistance. With Gull Wing terminals and AEC-Q101 reference standard, it's suitable for automotive electronics due to its high temperature range of -55 to 150 °C.
2N2222A
Allegro MicroSystems
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Meritek Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
General Transistor
2031-2
Aeroflex/inmet
FIXED ATTENUATOR; Maximum Operating Temperature: 125 Cel; Additional Features: N-F; SMA-F, I/P POWER-MAX(PEAK)=250W; Construction: COAXIAL; Minimum Operating Temperature: -65 Cel; JESD-609 Code: e4;
HMC306MS10ETR
Hittite Microwave
VARIABLE ATTENUATOR; Maximum Insertion Loss: 2.7 dB; Nominal Attenuation: 15.5 dB; Construction: COMPONENT; Characteristic Impedance: 50 ohm; Terminal Finish: Matte Tin (Sn);
4102-12
Api Technologies
FIXED ATTENUATOR; Additional Features: SMA-F; SMA-M, I/P POWER-MAX(PEAK)=1000W; Maximum Operating Frequency: 18000 MHz; Minimum Operating Temperature: -55 Cel; Nominal Attenuation: 2 dB; Construction: COAXIAL;
HMC470LP3ETR
Analog Devices
Analog Devices' HMC470LP3ETR is a RF/Microwave Attenuator with 31 dB Nominal Attenuation, 26.99 dBm Max Input Power (CW), and 2 dB Max Insertion Loss. It operates from -40 to 85°C, has a GaAs technology, and is suitable for variable attenuation in RF/microwave applications up to 3 GHz.
HMC271ALP4
HMC271ALP4 by Analog Devices is a RF/Microwave Attenuator with 31 dB Nominal Attenuation, 3.3 dB Max Insertion Loss, and 26.02 dBm Max Input Power (CW). It operates b/w -40°C to 85°C and has a frequency range of 700-3700 MHz. Ideal for applications requiring variable attenuation in RF/microwave circuits.
19-9-1
FIXED ATTENUATOR; Maximum Voltage Standing Wave Ratio: 1.35; Minimum Operating Temperature: -55 Cel; Construction: COAXIAL; Characteristic Impedance: 50 ohm; Minimum Operating Frequency: 0 MHz;
41
FIXED ATTENUATOR; Maximum Operating Frequency: 18000 MHz; Maximum Input Power (CW): 40 dBm; Minimum Operating Frequency: 0 MHz; Maximum Voltage Standing Wave Ratio: 1.35;
40-10-23
FIXED ATTENUATOR; Mounting Feature: PANEL MOUNT; Screening Level: MIL-C-39012; MIL-DTL-3933; JESD-609 Code: e4; Maximum Operating Temperature: 125 Cel; Minimum Operating Frequency: 0 MHz;
2
Aeroflex/weinschel
FIXED ATTENUATOR; Maximum Input Power (CW): 36.99 dBm; Minimum Operating Frequency: 0 MHz; Maximum Voltage Standing Wave Ratio: 1.35; Maximum Operating Frequency: 18000 MHz;
HMC540LP3ETR
HMC540LP3ETR by Analog Devices is a RF/Microwave Attenuator with 29 dBm CW input power, 15 dB nominal attenuation, and 2.6 dB max insertion loss. Ideal for applications requiring variable attenuation in the frequency range of 0-5500 MHz.
M3933/25-62N
FIXED ATTENUATOR; Construction: COAXIAL; Maximum Input Power (CW): 33.01 dBm; Additional Features: SMA; Minimum Operating Frequency: 0 MHz; Maximum Operating Frequency: 18000 MHz;
32-4
FIXED ATTENUATOR; Terminal Finish: Gold (Au); JESD-609 Code: e4; Minimum Operating Frequency: 0 MHz; Characteristic Impedance: 50 ohm; Nominal Attenuation: 4 dB;
45-3-43
FIXED ATTENUATOR; Terminal Finish: Gold (Au); Nominal Attenuation: 3 dB; Construction: COAXIAL; JESD-609 Code: e4; Maximum Voltage Standing Wave Ratio: 1.1;
66-10-11
FIXED ATTENUATOR; Mounting Feature: PANEL MOUNT; Terminal Finish: Gold (Au); Maximum Input Power (CW): 51.76 dBm; Minimum Operating Temperature: -55 Cel; Minimum Operating Frequency: 0 MHz;
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.
EXB24AT5AR3X
Panasonic
Panasonic's EXB24AT5AR3X is a 5 dB fixed attenuator with max input power of 16.02 dBm and VSWR of 1.3, ideal for RF/Microwave applications. With a frequency range from 0-3000 MHz, it operates b/w -55 to 125°C making it suitable for various communication systems.
4201
Smiths Group Plc
FIXED ATTENUATOR; Maximum Voltage Standing Wave Ratio: 1.35; Minimum Operating Frequency: 0 MHz; Maximum Operating Frequency: 8000 MHz; Terminal Finish: Gold (Au); Construction: COAXIAL;
47-10-21
FIXED ATTENUATOR; Construction: COAXIAL; Maximum Operating Temperature: 125 Cel; Minimum Operating Frequency: 0 MHz; Maximum Input Power (CW): 46.99 dBm; Minimum Operating Temperature: -55 Cel;
32-7
FIXED ATTENUATOR; Minimum Operating Temperature: -55 Cel; Terminal Finish: GOLD; Additional Features: SMA, HIGH RELIABILITY; Characteristic Impedance: 50 ohm; Construction: COAXIAL;
32-6
32-6 by Cobham Plc is a COAXIAL RF attenuator with 6 dB attenuation, handling up to 33.01 dBm CW power. With VSWR of 1.35, it operates from -55°C to 125°C and covers frequencies from DC to 18 GHz, making it ideal for RF/Microwave applications.
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