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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55-4 by Cobham Plc is a COAXIAL FIXED ATTENUATOR with 4 dB Nominal Attenuation, handling up to 36.99 dBm CW power. It operates b/w -55°C to 125°C, covering frequencies from 0 MHz to 18 GHz, with a VSWR of 1.35 for RF/Microwave applications.
Median Price
$2.950
Lifecycle Status
Suppliers In-Stock
10
In-Stock Inventory
1k+
Arrow
1+ parts
$0.148
100+ parts
-
1k+ parts
10k+ parts
Mouser Electronics
$2.580
Verical
Adafruit Industries
$2.360
RS (Exports)
$38.200
RS Americas
$51.250
Nova Conductors
$27.557
VNN
Vyrian
LWI Electronics Inc
AZTECH Wire
$10.863
Aranea Global
$27.006
$25.926
Argo Parts USA
Continental Prestige Electronics
High power handling capability ensures reliable performance even in high-power applications.
Low VSWR indicates efficient power transfer and minimal signal reflection, leading to better overall system performance.
Provides a moderate level of signal attenuation, useful for controlling signal strength without significant loss.
Coaxial construction offers excellent shielding and signal integrity, ideal for RF and microwave applications.
Wide operating temperature range allows for use in various environmental conditions without compromising performance.
Can operate in extreme low-temperature conditions, making it suitable for a wide range of applications.
Fixed attenuators provide consistent attenuation levels, ensuring stable signal strength in the system.
Matches the commonly used impedance in RF and microwave systems, minimizing signal loss and ensuring reliable performance.
Supports operation at very low frequencies, making it versatile for use in various RF and microwave systems.
Covers a broad frequency range, suitable for a wide range of RF and microwave applications.
RF/Microwave Attenuators 55-4 attributes and parameters. Explore more RF/Microwave Attenuators devices from Cobham Plc
Additional Features:
Nominal Attenuation:
Characteristic Impedance:
Construction:
Maximum Input Power (CW):
Maximum Operating Frequency:
Minimum Operating Frequency:
Maximum Operating Temperature:
Minimum Operating Temperature:
RF or Microwave Device Type:
Maximum Voltage Standing Wave Ratio:
The Cobham Group comprises a number of dynamic businesses in diverse specialist areas, each of which are experts in their field. Together we are a leading global technology and services innovator, highly regarded and respected for providing solutions to the most complex problems in some of the most challenging environments and missions. From the depths of the ocean to deep space and everywhere in between, our customers mission is our mission and every mission matters. Engineers critical, cutting edge data solutions for the most challenging missions on land, sea, and in air and space; with customised solutions across the entire signal chain, including RF, microwave and high reliability microelectronics.
1N4148
First Components International
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Operating Temperature: 200 Cel; Config: SINGLE; No. of Elements: 1;
1N4148WS
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Eic Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
1N4148WT
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM358N
Motorola
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
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.
2N2222A
Hi-tron Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Diodes Incorporated
LM358AN
Philips Semiconductors
Telcom Semiconductor
LM317T
National Semiconductor
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Package Shape: RECTANGULAR; Minimum Input-Output Voltage Differential: 3 V;
SS14
Micro Commercial Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Sipex
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Peak Reflow Temperature (C): 240; Terminal Finish: TIN LEAD;
SMBJ18CA
Telefunken Microelectronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
General Diode
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Reverse Recovery Time: .004 us; Terminal Finish: Tin/Lead (Sn/Pb); No. of Elements: 1;
LM358MX
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
M24308/2-1F
TE Connectivity
TE Connectivity's M24308/2-1F D-Sub Connector features 9 contacts, 2 rows, and a shell size of 1/E. With a rated current of 7.5A, it operates b/w -55°C to 125°C. Ideal for cable mounting applications, this connector has a steel shell with cadmium finish and uses crimp termination for female contact pins.
Sinyork
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Operating Temperature: 85 Cel; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR; Operating Mode: ENHANCEMENT MODE;
Frontier Electronics
LL4148
Secos
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
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;
ADH346-701G8
Analog Devices
ADH346-701G8 by Analog Devices is a RF/Microwave Attenuator with 23 dB Nominal Attenuation, 3.5 dB Max Insertion Loss, and 50 ohm Characteristic Impedance. It operates from -40 to 85 °C, suitable for applications requiring variable attenuation in the frequency range of 0-8000 MHz.
RFSA2033TR7
Rf Micro Devices
VARIABLE ATTENUATOR; Mounting Feature: SURFACE MOUNT; No. of Terminals: 16; Package Body Material: PLASTIC/EPOXY; Maximum Supply Current: 3.5 mA; Maximum Operating Temperature: 85 Cel;
LCAT1004-06
Infinite Electronics International
FIXED ATTENUATOR;
59-3-32
FIXED ATTENUATOR; Mounting Feature: PANEL MOUNT; Screening Level: MIL-C-39012; MIL-DTL-3933; Characteristic Impedance: 50 ohm; JESD-609 Code: e4; Maximum Input Power (CW): 50 dBm;
HMC653LP2E
Analog Devices' HMC653LP2E is a RF/Microwave Attenuator with 3dB Nominal Attenuation, 26.02 dBm Max Input Power (CW), and operates from 0 to 25000 MHz. It is a fixed attenuator suitable for applications requiring precise signal attenuation in the frequency range of DC to 25 GHz.
66-10-31
FIXED ATTENUATOR; Mounting Feature: PANEL MOUNT; Maximum Operating Frequency: 18000 MHz; Maximum Voltage Standing Wave Ratio: 1.9; Construction: COAXIAL; Minimum Operating Frequency: 0 MHz;
54-10
Aeroflex/weinschel
FIXED ATTENUATOR; Maximum Voltage Standing Wave Ratio: 1.6; Minimum Operating Temperature: -55 Cel; JESD-609 Code: e4; Construction: COAXIAL; Nominal Attenuation: 10 dB;
82-40-14
Cobham Plc
82-40-14 by Cobham Plc is a RF/Microwave Attenuator with max input power of 60 dBm, VSWR of 1.25, and attenuation of 40 dB. It operates in the frequency range of 0-3000 MHz, ideal for signal attenuation in high-power RF applications. The coaxial construction with gold/silver finish ensures reliable performance from -55 to 125°C.
TVA0500N09W3S
Smiths Group Plc
TVA0500N09W3S by Smiths Group Plc is a RF/Microwave Attenuator with 5 dB Nominal Attenuation, 1.3 Max VSWR, and 33.01 dBm Max Input Power (CW). It operates in the frequency range of 0-6000 MHz, ideal for signal attenuation in RF/microwave systems. With a temperature range of -55 to 150°C, it's suitable for various applications requiring fixed attenuation at a characteristic impedance of 50 ohms.
55-4
FIXED ATTENUATOR; Characteristic Impedance: 50 ohm; Additional Features: TNC-F; TNC-M, I/P POWER-MAX(PEAK)=1000W; Maximum Voltage Standing Wave Ratio: 1.35; Minimum Operating Temperature: -55 Cel; Minimum Operating Frequency: 0 MHz;
87-7.5
87-7.5 by Cobham Plc is a RF/Microwave Attenuator with max input power of 33.01 dBm, VSWR of 1.25, and attenuation of 7.5 dB. Constructed coaxially, it operates b/w -55 to 100°C and has gold terminal finish. Ideal for fixed attenuator applications in the frequency range of 0-32000 MHz at 50 ohm impedance.
ADH424-701G16
VARIABLE ATTENUATOR;
HMC985LP4KE
Analog Devices' HMC985LP4KE is a RF/Microwave Attenuator with 30 dB Nominal Attenuation, 30 dBm Max Input Power (CW), and 4.5 dB Max Insertion Loss. Ideal for applications requiring precise signal attenuation in the frequency range of 10-40 GHz.
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.
G40
M/a-com
RF/Microwave Attenuators; No. of Terminals: 4; Package Body Material: METAL; Minimum Operating Temperature: -54 Cel; Package Equivalence Code: CAN4,.3; Maximum Operating Temperature: 85 Cel;
44-3
FIXED ATTENUATOR; Characteristic Impedance: 50 ohm; Minimum Operating Frequency: 0 MHz; Terminal Finish: GOLD; Minimum Operating Temperature: -50 Cel; Construction: COAXIAL;
2067-9
2067-9 by Cobham Plc is a fixed attenuator with 9 dB nominal attenuation, suitable for RF/Microwave applications. It has a max input power of 30 dBm and a VSWR of 1.25, making it ideal for use in high-frequency environments up to 12400 MHz. With COAXIAL construction and GOLD terminal finish, it operates b/w -20°C to 75°C efficiently.
HMC290E
HMC290E by Analog Devices is a RF/Microwave Attenuator with 6 dB Nominal Attenuation, 1.2 dB Max Insertion Loss, and 27.99 dBm Max Input Power (CW). It operates b/w -40°C to 85°C, suitable for applications requiring variable attenuation in the frequency range of 700 MHz to 4 GHz.
19-7-2
FIXED ATTENUATOR; Minimum Operating Temperature: -55 Cel; Minimum Operating Frequency: 0 MHz; Maximum Input Power (CW): 30 dBm; Maximum Operating Frequency: 18000 MHz; Maximum Voltage Standing Wave Ratio: 1.35;
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
FIXED ATTENUATOR; Minimum Operating Temperature: -55 Cel; Terminal Finish: Gold (Au); Construction: COAXIAL; Nominal Attenuation: 4 dB; Characteristic Impedance: 50 ohm;
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