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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DISCONNECT SWITCH; Mounting Feature: PANEL MOUNT; Manufacturer Series: LFDS; Sealing: IP65; Switch Action: MOMENTARY; Termination Type: SCREW;
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Special Function Switches LFDS040 attributes and parameters. Explore more Special Function Switches devices from Littelfuse
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Mounting Feature:
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Switch Type:
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LFDS040 Switches trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.50.70.00
SB
Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 18,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day. Headquartered in Chicago, Illinois, United States, Littelfuse was founded in 1927.
LL4148
Continental Device India
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
M39029/58-360
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.
1N4148
Texas Instruments
1N4148 by Texas Instruments is a rectifier diode with max reverse recovery time of 0.004 us and max forward voltage of 1V. Ideal for applications requiring low reverse current such as signal demodulation circuits. Operates at max temp of 200°C, making it suitable for high-temperature environments.
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;
LM555CM
LM555CM by Texas Instruments is an Analog Waveform Generation IC with a supply voltage range of 4.5V to 16V and max operating temperature of 70°C. It comes in a small outline package, suitable for applications requiring pulse generation or rectangular waveform outputs. With surface mount capability and low supply current of 15mA, it is ideal for commercial-grade electronic circuits.
2N7002
Transys Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Minimum DS Breakdown Voltage: 60 V; Maximum Operating Temperature: 150 Cel;
2N2222A
Aeroflex/metelics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Package Shape: ROUND; Transistor Application: SWITCHING;
BAV99
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
ULN2803A
Allegro MicroSystems
NPN; Configuration: 8 BANKS, DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: NO; Maximum Collector Current (IC): .5 A; Maximum Operating Temperature: 85 Cel; Terminal Form: THROUGH-HOLE;
Vpt Components
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): .8 A; Maximum Power Dissipation Ambient: .5 W;
M85049/85-08W02
Amphenol
CIRCULAR CONN ACCESSORY; Shell Sizes: 8; 9; IEC Conformity: NO; MIL-Connector Accessory Name: BAND LOCK ADAPTER; MIL Conformity: YES; DIN Conformity: NO;
BSS138PS,115
Nexperia
N-CHANNEL; Configuration: SEPARATE, 2 ELEMENTS WITH BUILT-IN DIODE; Surface Mount: YES; No. of Elements: 2; No. of Terminals: 6; Minimum DS Breakdown Voltage: 60 V;
Synsemi
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
LL4148-GS08
Vishay Intertechnology
The Vishay Intertechnology LL4148-GS08 is a glass diode with fast recovery time of 0.008 us and max reverse current of 5 uA. Ideal for applications requiring rectification, it has a breakdown voltage of 100 V and can handle a peak forward current of 2 A.
Changzhou Starsea Electronics
MMBT2907ALT1G
Onsemi
MMBT2907ALT1G by Onsemi is a PNP BJT transistor with 100 min hFE, 60V VCEO, and 200MHz fT. Ideal for switching applications, it has a small outline package with Gull Wing terminals and can handle up to 0.6A of collector current.
M39029/56-351
Defense Logistics Agency
CONNECTOR ACCESSORY; MIL Conformity: YES; Contact Gender: FEMALE; Mating Contacts: M39029/58-363; Removal Tool Sources: MILITARY; Alternate Contact Sources: MILITARY;
1N4148WT
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1552200253
Molex
WIRE AND CABLE;
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;
D4NS-5BF
Omron
SAFETY DOOR SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: DPST; Termination Type: SCREW; Body Length/Diameter: 56 mm; Additional Features: CONTACT RATING FOR AC: 10 A, 250 VAC;
A22NN-MGM-NAA-G002-RN
Special Switches; Type (Actuator): PUSHBUTTON; Manufacturer Series: A22; Length (Actuator): .752 inch; Contact Resistance: 100 mohm; Electrical Life: 500000 Cycle(s);
A22NN-RMM-NWA-G100-RN
Special Switches; Type (Actuator): PUSHBUTTON; Insulation Resistance: 100000000 ohm; Switch Action: MOMENTARY; Maximum Operating Temperature: 70 Cel; Dielectric Withstand Volts (V): 2500VAC;
A30NZ-MGM-URA
Special Switches; Type (Actuator): PUSHBUTTON; AC Maximum Rating R Load (Contact): 10A@120VAC; Maximum Operating Temperature: 70 Cel; Insulation Resistance: 100000000 ohm; Electrical Life: 500000 Cycle(s);
A22NN-RMM-NGA-G102-RN
Special Switches; Type (Actuator): PUSHBUTTON; Manufacturer Series: A22; Electrical Life: 500000 Cycle(s); Actuator Travel (mm): 5.9944; Minimum Operating Temperature: -25 Cel;
A22NL-BMM-TAA-G100-RA
Special Switches; Type (Actuator): PUSHBUTTON; Switch Action: MOMENTARY; Maximum Operating Temperature: 55 Cel; Insulation Resistance: 100000000 ohm; Manufacturer Series: A22;
A30NZ-MGA-UYA
Special Switches; Type (Actuator): PUSHBUTTON; Length (Actuator): .669 inch; DC Maximum Rating R Load (Contact): 8A@24VDC; Actuator Travel (mm): 5.9944; Dielectric Withstand Volts (V): 2500VAC;
A22NL-RPM-TYA-G202-RA
Special Switches; Type (Actuator): PUSHBUTTON; Sealing: EPOXY; Contact Resistance: 100 mohm; Manufacturer Series: A22; Body Width: 29.9974 inch;
A3UL-TMG-2A2C-M
Special Switches; Switch Function: DPDT; Type (Actuator): PUSHBUTTON; Color (Actuator): GREEN; Body Length/Diameter: 29.9974 mm; Manufacturer Series: A3U;
ADTSM32NV
Apem Components
ADTSM32NV by Apem Components is a SPST pushbutton switch with 50,000 cycles electrical life. Featuring brass terminals and silver plating, it operates b/w -25 to 70 °C. Ideal for surface mount applications requiring a 12VDC, 0.05A load.
A30NZ-MPM-NBA
Special Switches; Type (Actuator): PUSHBUTTON; Maximum DC Contact Current: 8 A; Maximum Operating Temperature: 70 Cel; Actuator Travel (mm): 5.9944; Maximum AC Contact Current: 10 A;
44506-6421
Special Switches;
GPBS-800L
Cw Industries
GPBS-800L by Cw Industries is a DPDT pushbutton switch with 10000 cycles electrical life and 100000000 ohm insulation resistance. It operates b/w -25 to 65 °C, suitable for applications requiring ON-ON contact function at 30VDC and 0.1A current.
A30NZ-MNA-TRA
Special Switches; Type (Actuator): PUSHBUTTON; Maximum AC Contact Current: 10 A; Manufacturer Series: A30NZ; DC Maximum Rating R Load (Contact): 8A@24VDC; Maximum DC Contact Voltage: 24 V;
A22NL-BNM-TAA-G202-RA
Special Switches; Type (Actuator): PUSHBUTTON; Maximum Operating Temperature: 55 Cel; Sealing: EPOXY; Body Width: 29.9974 inch; Minimum Operating Temperature: -25 Cel;
A22NL-RMM-TAA-G002-RA
Special Switches; Type (Actuator): PUSHBUTTON; Manufacturer Series: A22; Minimum Operating Temperature: -25 Cel; Switch Action: MOMENTARY; Illumination: LED;
D4NS-8FF
SAFETY DOOR SWITCH; Mounting Feature: PANEL MOUNT; Switch Function: DPST; Switch Action: MOMENTARY; Body Height: 88 mm; Additional Features: CONTACT RATING FOR AC: 10 A, 250 VAC;
A22NN-MMM-NGA-G100-RN
Special Switches; Type (Actuator): PUSHBUTTON; Dielectric Withstand Volts (V): 2500VAC; Body Length/Diameter: 43.5102 mm; Manufacturer Series: A22; Actuator Travel (mm): 5.9944;
A22NN-BNM-NYA-G101-RN
Special Switches; Type (Actuator): PUSHBUTTON; Switch Action: MOMENTARY; Actuator Travel (mm): 5.9944; Electrical Life: 500000 Cycle(s); Length (Actuator): .433 inch;
A22NL-MMM-TGA-G102-RA
Special Switches; Type (Actuator): PUSHBUTTON; Minimum Operating Temperature: -25 Cel; Maximum Operating Temperature: 55 Cel; Switch Action: MOMENTARY; Body Length/Diameter: 43.5102 mm;
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LFDS030
Littelfuse
DISCONNECT SWITCH; Mounting Feature: PANEL MOUNT; Manufacturer Series: LFDS; Termination Type: SCREW; Sealing: IP65; Switch Action: MOMENTARY;
LFDS060
DISCONNECT SWITCH; Mounting Feature: PANEL MOUNT; Manufacturer Series: LFDS; Switch Action: MOMENTARY; Sealing: IP65; Termination Type: SCREW;
LFDS100
DISCONNECT SWITCH; Mounting Feature: PANEL MOUNT; Switch Action: MOMENTARY; Manufacturer Series: LFDS; Termination Type: SCREW; Sealing: IP65;
Supply Digital Components
1+ parts
$106.00
100+ parts
$54.25
1k+ parts
$11.90
10k+ parts
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
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