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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The Pomona Electronics 4108-20DB is a COAXIAL fixed attenuator with 20 dB nominal attenuation, handling up to 33.01 dBm CW power and supporting frequencies from 1-8 GHz. Ideal for RF/Microwave applications, it offers a VSWR of 1.65 and operates b/w -55°C to 102°C efficiently.
Median Price
$108.465
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< 1k
RS (Exports)
1+ parts
$73.820
100+ parts
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Mouser Electronics
$107.940
DigiKey
$108.990
$107.938
Newark
$126.990
Master Electronics
$130.830
$112.020
Electro Sonic
$130.800
American Connector Supply Corp
Sunrise Surplus Inc.
First Choice Components Inc.
Perfect Parts
The high power handling capability of 33.01 dBm allows for reliable performance in high-power applications, ensuring durability and stability.
A low VSWR of 1.65 indicates efficient power transfer with minimal signal reflections, leading to better overall performance and signal integrity.
With a fixed attenuation level of 20 dB, this attenuator can effectively reduce the signal strength by a consistent amount, making it suitable for various signal attenuation needs.
The coaxial construction ensures high-frequency signal integrity and low signal loss, making it ideal for RF and microwave applications where signal quality is crucial.
The high maximum operating temperature of 102°C allows for operation in various environmental conditions, increasing the versatility and reliability of the attenuator.
The low minimum operating temperature of -55°C enables reliable performance even in extreme cold conditions, making it suitable for a wide range of applications.
The 50-ohm characteristic impedance ensures compatibility with standard RF and microwave systems, allowing for easy integration and optimal signal transfer.
The minimum operating frequency of 1000 MHz makes this attenuator suitable for a wide range of RF and microwave applications, offering flexibility and versatility in signal attenuation.
The high maximum operating frequency of 8000 MHz enables this attenuator to handle high-frequency signals with ease, making it suitable for applications requiring high-frequency performance.
RF/Microwave Attenuators 4108-20DB attributes and parameters. Explore more RF/Microwave Attenuators devices from Pomona Electronics
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 engineers’ choice for cables, connectors and adapters Pomona Electronics is a premier provider of top-quality products for workbenches of engineers and technicians. Since 1951, Pomona offers key solutions in electronics design and development. It’s often a challenge to get signals between devices that have different connectors or no connectors at all, whether it’s the latest electronic devices or older legacy devices. Customers rely on Pomona as a single source to fill their needs for cables, connectors and adapters. Pomona Electronics contains a broad array of connections and test accessories for applications ranging from engineering research, test labs, field service and plant maintenance; helping engineers improve the way people work, travel, communicate, stay healthy and even entertain. From tiny probes to cutting-edge voice-activated automotive systems, or micro grabber test clips to verify sound systems that support the biggest names in music, Pomona Electronics has connectors and cable assemblies for the entire spectrum of electronics applications.
43025-0400
Molex
The Molex 43025-0400 is a board connector with 4 contacts, 2 rows, and a mating contact pitch of 0.118". It has a body length of 0.27", insulation resistance of 1Gohm, and operates b/w -40 to 105°C. Ideal for commercial applications requiring a female connector with crimp termination and UL94V-0 flammability rating.
BSS138
Calogic
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Drain Current (Abs) (ID): .2 A;
M39029/58-360
Glenair
CONNECTOR ACCESSORY; Contact Gender: MALE; Material: COPPER ALLOY; IEC Conformity: NO; MIL-Connector Accessory Name: CONTACT; MIL Conformity: YES;
2N2222A
Texas Instruments
2N2222A by Texas Instruments is a small signal NPN bipolar junction transistor (BJT) with a max collector-emitter voltage of 40V and a max collector current of 0.8A. It is commonly used for switching applications due to its fast turn on/off times (35ns/285ns) and high transition frequency (300MHz).
SMBJ18CA
Yageo
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
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;
AT90CAN128-16AU
Microchip Technology
AT90CAN128-16AU by Microchip Technology is a microcontroller with 8-bit data RAM and 16-bit address bus width. It operates at a max clock frequency of 16 MHz, making it suitable for industrial applications requiring low power mode and connectivity options like CAN, SPI, and USART. With 53 I/O lines and 8-channel 10-bit ADCs, this microcontroller offers versatile peripheral support for various embedded systems.
E8WSDC12-32.768KTR
Abracon
Abracon's E8WSDC12-32.768KTR crystal oscillator offers 20 ppm frequency tolerance, 144% stability, and 70000 ohm series resistance. Ideal for applications requiring precise timing at 0.032768 MHz, such as IoT devices and communication systems.
LM555CN
Rochester Electronics
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Shape: RECTANGULAR; Surface Mount: NO; No. of Functions: 1;
2N7002
Central Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Maximum Drain Current (ID): .115 A; Maximum Drain Current (Abs) (ID): .115 A;
EEAGA1H4R7
Panasonic
Panasonic EEAGA1H4R7 is a 4.7uF, 50V Aluminum Electrolytic Capacitor with 0.1 Tan Delta and 0.003mA Leakage Current. Ideal for applications requiring high ripple current handling in temperatures ranging from -55 to 105°C.
1N4148
Dc Components
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SS14
Frontier Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M24308/2-1F
Tyco Electronics Amp
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; IEC Conformity: NO; Mixed Contacts: NO; Empty Shell: NO;
TE Connectivity
TE Connectivity's M39029/58-360 is a CRIMP terminal backshell for 22-28 AWG wires, rated at 5A. Ideal for male contacts in Mil-Spec applications, it offers a cross-section area of 0.34 mm2 and ensures secure connections in demanding environments.
RK73H2ATTD10R0F
Koa Speer Electronics
RK73H2ATTD10R0F by Koa Speer Electronics is a 0805 SMT fixed resistor with 10 ohm resistance, 1% tolerance, and 0.25 W power dissipation. Ideal for surface mount applications in automotive electronics due to its AEC-Q200 reference standard and operating voltage of 150 V.
STM32F405RGT6
STMicroelectronics
STM32F405RGT6 by STMicroelectronics is a 32-bit microcontroller with 2/3.3V power supplies, 16 external interrupts, and 196608 RAM bytes. Ideal for industrial applications, it features CAN(2), I2C(3), SPI(3) connectivity options and operates at a max clock frequency of 26 MHz. With low power mode and DMA support, it offers versatile performance in compact dimensions.
Eic Semiconductor
LM358AN
Onsemi
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
Taitron Components
HMC425ALP3ETR
Analog Devices
Analog Devices' HMC425ALP3ETR is a RF attenuator with 31.5 dB attenuation, 27 dBm CW input power, and 4.7 dB insertion loss. Ideal for variable attenuation in RF/microwave applications from 2200 MHz to 8000 MHz, it features GAAS technology and operates b/w -40 °C to 85°C.
ADRF5740BCCZN-R7
Analog Devices' ADRF5740BCCZN-R7 is a RF/Microwave Attenuator with 22 dB Nominal Attenuation, 1.49 Max VSWR, and -40 to 105 °C Operating Temperature range. It is a VARIABLE ATTENUATOR suitable for applications requiring precise signal attenuation in the frequency range of 10 MHz to 60 GHz.
87-7.5
Api Technologies
FIXED ATTENUATOR; Minimum Operating Temperature: -55 Cel; Characteristic Impedance: 50 ohm; Maximum Input Power (CW): 33.01 dBm; Additional Features: 2.92 MM-F; 2.92 MM-M, I/P POWER-MAX(PEAK)=500W; Construction: COAXIAL;
HMC8802
HMC8802 by Analog Devices is a RF/Microwave Attenuator with 33.7 dB Nominal Attenuation, 4.6 dB Max Insertion Loss, and 25 dBm Max Input Power (CW). It is a VARIABLE ATTENUATOR suitable for applications requiring precise signal control in the frequency range of 0-13000 MHz.
284-6-21
FIXED ATTENUATOR; Mounting Feature: PANEL MOUNT; Package Body Material: METAL; Construction: COAXIAL; Maximum Operating Temperature: 100 Cel; Additional Features: SMK 2.92 MM-F; SMK 2.92 MM-M, I/P POWER-MAX(PEAK)=5000W;
OPI1268S
Pasternack Enterprises
VARIABLE ATTENUATOR;
82-40-11
Cobham Plc
The Cobham Plc 82-40-11 is a RF/Microwave Attenuator with 40 dB Nominal Attenuation, 1.25 Max VSWR, and 60 dBm Max Input Power. It operates in the frequency range of 0-3000 MHz, ideal for signal attenuation in high-power applications within a temperature range of -55 to 125°C.
4782-3
L3harris Technologies
FIXED ATTENUATOR; Nominal Attenuation: 3 dB; Construction: COAXIAL; Maximum Input Power (CW): 33.01 dBm; Maximum Voltage Standing Wave Ratio: 1.4; Minimum Operating Frequency: 0 MHz;
32-9.5
Aeroflex/weinschel
FIXED ATTENUATOR; Construction: COAXIAL; Maximum Input Power (CW): 33.01 dBm; Maximum Operating Frequency: 18000 MHz; Minimum Operating Frequency: 0 MHz; Maximum Operating Temperature: 125 Cel;
HMC273MS10GTR
HMC346LP3
Analog Devices' HMC346LP3 is a RF/Microwave Attenuator with 27 dB Nominal Attenuation, 18.06 dBm Max Input Power (CW), and 3.3 dB Max Insertion Loss. This GAAS technology-based variable attenuator operates from -40 to 85 °C and covers frequencies from 0 MHz to 14 GHz, making it ideal for high-frequency signal attenuation in various RF/microwave applications.
46-1-34
FIXED ATTENUATOR; Mounting Feature: PANEL MOUNT; Package Body Material: METAL; Additional Features: N-F; N-M, I/P POWER-MAX(PEAK)=1000W; Characteristic Impedance: 50 ohm; Maximum Voltage Standing Wave Ratio: 1.3;
2-4
FIXED ATTENUATOR; Construction: COAXIAL; Maximum Operating Frequency: 18000 MHz; Minimum Operating Frequency: 0 MHz; Maximum Operating Temperature: 125 Cel; Minimum Operating Temperature: -55 Cel;
M3933/25-36N
Defense Logistics Agency
M3933/25-36N by Defense Logistics Agency is a RF/Microwave Attenuator with 10 dB Nominal Attenuation, 1.25 Max VSWR, and 33.01 dBm Max Input Power (CW). It operates in the frequency range of 0-12400 MHz, making it ideal for signal attenuation in various RF/microwave applications.
PE43508A-V
Psemi
PE43508A-V by Psemi is a 31 dB RF attenuator with max insertion loss of 6.5 dB, operating from -40 to 105 °C. It's a variable attenuator for RF/Microwave applications, with freq range of 0.009-55000 MHz and impedance of 50 ohm.
8491A-020
Keysight Technologies
The Keysight Technologies 8491A-020 is a fixed attenuator with 20 dB nominal attenuation, 33.01 dBm CW input power, and 1.3 max VSWR. Ideal for RF applications up to 12400 MHz, it features a coaxial construction and panel mount for easy installation in various systems.
R410103121
Radiall S A
Radiall S A's R410103121 is a COAXIAL FIXED ATTENUATOR with 3 dB Nominal Attenuation, 33.01 dBm Max Input Power (CW), and 1.3 Max VSWR. It operates from -55°C to 125°C, covering frequencies from 0 MHz to 8000 MHz, ideal for RF/Microwave applications.
HMC792ALP4ETR
HMC792ALP4ETR by Analog Devices is a RF/Microwave Attenuator with 15.75 dB Nominal Attenuation, 28.98 dBm Max Input Power (CW), and 4 dB Max Insertion Loss. It is a VARIABLE ATTENUATOR suitable for applications requiring precise signal attenuation in the frequency range of 0-6000 MHz.
HRF-AT4521-TR
Honeywell
HRF-AT4521-TR by Honeywell is a RF/Microwave Attenuator with 31 dB Nominal Attenuation, 3.4 dB Max Insertion Loss, and 2500 MHz Max Operating Frequency. It is a VARIABLE ATTENUATOR suitable for applications requiring precise signal attenuation in CMOS technology.
HMC539ALP3
HMC539ALP3 by Analog Devices is a RF/Microwave Attenuator with 7.75 dB Nominal Attenuation and 1.7 dB Max Insertion Loss. It operates from -40 to 85 °C, has a max input power of 29 dBm, and supports frequencies up to 4000 MHz. Ideal for variable attenuation in RF/microwave circuits, it features GAAS technology and surface mounting for easy integration.
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