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
Q4040K7TP by Littelfuse is a single TRIAC with 40A RMS on-state current, 400V repetitive peak off-state voltage, and 100mA max DC gate trigger current. Ideal for applications requiring AC power control such as dimmers, motor speed controllers, and heating control systems.
Median Price
$8.160
Lifecycle Status
Suppliers In-Stock
10
In-Stock Inventory
1k+
Arrow
1+ parts
$4.989
100+ parts
$4.461
1k+ parts
$3.923
10k+ parts
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RS (Exports)
$5.280
Mouser Electronics
$9.640
RS Americas
$9.940
$7.950
DigiKey
$10.860
$5.882
TTI
$6.680
Verical
Specialty Parts & Electronic Components, Inc. (S.P.E.C.)
Vyrian
Nova Conductors
Allen Electronics Distributors
$9.860
$9.060
$8.760
Microchip USA
$27.552
Neutron USA
$34.990
QUARKTWIN TECHNOLOGY LTD
Perfect Parts
Continental Prestige Electronics
Argo Parts USA
Authorized Procurement Solutions
iodParts Technologies Inc.
Aranea Global
GreenTree Electronics
Plastic/Epoxy material provides durability and protection for the internal components of the TRIAC, ensuring long-term reliability.
High gate trigger current allows for reliable switching of the TRIAC, ensuring proper operation in various applications.
Single configuration simplifies the design and installation process of the TRIAC, making it easy to integrate into electronic circuits.
High operating temperature tolerance allows the TRIAC to function effectively in demanding environments without risk of overheating.
High repetitive off-state voltage rating makes this TRIAC suitable for applications requiring switching of moderate to high voltage loads.
Triode For Alternating Current (TRIAC) Q4040K7TP attributes and parameters. Explore more Triode For Alternating Current (TRIAC) devices from Littelfuse
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Q4040K7TP Triggering Devices trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8541.30.00.80
SB
PCN Design/Specification - Lead Frame Des Chg 11/Jun/2015 TO-220,TO-263, TO218 Thyristor Solder Paste 11/Oct/2016
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.
LM555CN
National Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
SMBJ18CA
Diodes Incorporated
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Forward Voltage (VF): .715 V; Maximum Operating Temperature: 150 Cel; Maximum Reverse Recovery Time: .006 us; Maximum Output Current: .2 A;
Semtech
LAN8720A-CP-TR
Standard Microsystems
ETHERNET TRANSCEIVER; Temperature Grade: OTHER; Terminal Form: NO LEAD; No. of Terminals: 24; Package Code: HVQCCN; Package Shape: SQUARE;
NE555D
NXP Semiconductors
SQUARE; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: LSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
Philips Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Minimum DS Breakdown Voltage: 50 V; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
ISO1050DUBR
Texas Instruments
ISO1050DUBR by Texas Instruments is a network interface IC with 8 terminals, operating from -55 to 105°C. It features a small outline package, nickel palladium gold finish, and gull wing terminal form. Ideal for telecom applications requiring a 5V supply voltage and peak reflow temperature of 260°C.
STM32H743BIT6
STMicroelectronics
STM32H743BIT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, 208 terminals, and 1085440 bytes of RAM. It features 2 DAC channels, 32 ADC channels, and operates at a max clock frequency of 48 MHz. Ideal for industrial applications requiring high-speed processing and extensive peripheral connectivity.
CC0603KRX7R9BB103
Yageo
Yageo CC0603KRX7R9BB103 is a 0603 SMT ceramic capacitor with capacitance of 0.01uF and rated DC voltage of 50V. It has X7R temperature characteristics, -55 to 125°C operating range, and ±10% tolerance. Ideal for surface mount applications in electronics requiring stable capacitance across temperatures.
OPA2227UA
Burr-Brown Corporation
OPERATIONAL AMPLIFIER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
Harris Semiconductor
1N4148
Lite-on Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
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;
RN41N-I/RM
Microchip Technology
Microchip Technology's RN41N-I/RM is a telecom IC with 35 terminals, operating from -40 to 85°C. It has a supply voltage of 3.3V and is surface mountable in industrial applications. The package style is rectangular, measuring 13.2mm x 20.1mm with a seated height of 2.2mm, suitable for telecom interface functions.
DS18B20U
Maxim Integrated
DS18B20U by Maxim Integrated is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. Suitable for applications requiring digital output and surface mounting feature.
Toshiba
General Semiconductor
NE555D by Texas Instruments is an 8-terminal IC with a supply voltage range of 4.5V to 16V, suitable for analog waveform generation applications. It operates at temperatures from 0°C to 70°C and has a max supply current of 15mA. The package style is small outline, making it ideal for compact electronic designs.
BTA24-800CWRG
BTA24-800CWRG by STMicroelectronics is a single TRIAC with 800V repetitive peak off-state voltage and 25A max RMS on-state current. It operates b/w -40°C to 125°C, suitable for snubberless TRIAC applications. With UL recognition, it features a max DC gate trigger current of 35mA and a min critical rate of rise of commutation voltage at 13V/µs.
BT137S-600E/T3
BT137S-600E/T3 by NXP Semiconductors is a TRIAC with 600V repetitive peak off-state voltage, 8A max RMS on-state current, and 10mA max DC gate trigger current. It is ideal for applications requiring precise AC power control in various electronic circuits.
BTA41-600B
BTA41-600B by STMicroelectronics is a TRIAC with 600V repetitive peak off-state voltage, 40A max RMS on-state current, and 2.5V max DC gate trigger voltage. It is ideal for applications requiring precise AC power control such as dimmers, motor speed controllers, and heating control systems.
DTA12F
Onsemi
Onsemi's DTA12F is a TRIAC with 1.4V max on-state voltage, 50mA max DC gate trigger current, and 2mA max leakage current. Ideal for AC applications, it has a 12A max RMS on-state current, 3V max DC gate trigger voltage, and 500V repetitive peak off-state voltage.
BTB16-600BW3G
BTB16-600BW3G by Onsemi is a 4-quadrant logic level TRIAC with max. RMS on-state current of 16A and repetitive peak off-state voltage of 600V. It operates b/w -40 to 125 °C, ideal for AC power control applications requiring high reliability and performance in industrial settings.
Q6015L6
Teccor Electronics
ALTERNISTOR TRIAC; Package Style (Meter): FLANGE MOUNT; Surface Mount: NO; Terminal Position: SINGLE; Configuration: SINGLE; Case Connection: ISOLATED;
T1235-600G-TR
T1235-600G-TR by STMicroelectronics is a Snubberless TRIAC with 12A RMS on-state current, 1.3V max DC gate trigger voltage, and 35mA max DC gate trigger current. It is used in AC applications requiring high repetitive peak off-state voltage of 600V, such as lighting controls and motor speed control.
MAC16N
MAC16N by Onsemi is a TRIAC with 16A RMS on-state current, 800V repetitive peak off-state voltage, and 50mA max DC gate trigger current. It is used in applications requiring AC power control such as dimmer switches, motor speed controls, and heating controllers.
BTA208S-600D,118
NXP Semiconductors' BTA208S-600D,118 is a single TRIAC with 8A RMS on-state current and 600V repetitive peak off-state voltage. Ideal for AC power control applications, it features a max DC gate trigger current of 5mA and operates at temperatures up to 125°C.
BT131-600
Unisonic Technologies
4 QUADRANT LOGIC LEVEL TRIAC; Package Style (Meter): CYLINDRICAL; Surface Mount: NO; Terminal Position: BOTTOM; Configuration: SINGLE; Package Shape: ROUND;
2N6349A
2N6349A by Onsemi is a TRIAC with 800V repetitive peak off-state voltage, 12A max RMS on-state current, and 125mA max DC gate trigger current. It is used in applications requiring AC switching such as dimmers, motor speed control, and heating control systems.
SYAL344
SYAL344 by Onsemi is a TRIAC with 1.8V max on-state voltage, 40mA max DC gate trigger current, and 1mA max leakage current. It has a repetitive peak off-state voltage of 800V and min critical rate of rise of commutation voltage at 5 V/us. This device is ideal for applications requiring high holding current up to 50000 mA in various AC power control systems.
T1635H-8G-TR
4 QUADRANT LOGIC LEVEL TRIAC;
Z0107MN0,135
Z0107MN0,135 by NXP Semiconductors is a TRIAC with 600V repetitive peak off-state voltage and 1A max RMS on-state current. It has a 5mA max DC gate trigger current and operates b/w -40°C to 150°C. Ideal for AC power control applications requiring precise switching capabilities.
2N6071ATG
2N6071ATG by Onsemi is a TRIAC with 4A RMS on-state current, 5mA DC gate trigger current, and 200V repetitive peak off-state voltage. It operates b/w -40 to 110°C and is ideal for applications requiring precise AC power control in various electronic devices.
BT136-800E
North American Philips Discrete Products Div
TRIAC; Surface Mount: NO; Repetitive Peak Off-state Voltage: 800 V; Maximum DC Gate Trigger Current: 10 mA; Minimum Critical Rate of Rise of Off-state Voltage: 50 V/us; Maximum DC Gate Trigger Voltage: 1.5 V;
MAC4DSNT4
MAC4DSNT4 by Onsemi is a single TRIAC with 800V repetitive peak off-state voltage and 4A max RMS on-state current. It operates b/w -40 to 125 °C, ideal for AC power control applications in small outline packages requiring surface mount assembly.
MAC8DG
MAC8DG by Onsemi is a TRIAC with 8A RMS current, 400V repetitive peak off-state voltage, and 35mA DC gate trigger current. It is used in applications requiring AC switching such as dimmers, motor speed control, and heating control due to its single configuration and through-hole terminal form.
TIC216A
TIC216A by Texas Instruments is a single TRIAC with 3 terminals. It has a max DC gate trigger current of 5mA and max RMS on-state current of 6A. Ideal for applications requiring 4-quadrant logic level TRIACs, operating b/w -40 to 110°C, with a repetitive peak off-state voltage of 100V.
T410-600B-TR
T410-600B-TR by STMicroelectronics is a single TRIAC with 4A RMS on-state current and 600V repetitive peak off-state voltage. It operates b/w -40 to 125 °C, suitable for AC power control applications. The device features a max DC gate trigger current of 10mA and a trigger device type of 4 quadrant logic level TRIAC.
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Q4040J7
Littelfuse
Q4040J781
Q4040J7TP
Q4040J7V
Q4040JH6
TRIAC; Package Style (Meter): FLANGE MOUNT; Surface Mount: NO; Terminal Position: SINGLE; Case Connection: ISOLATED; Qualification: Not Qualified;
Q4040JH6TP
Q4040K3TP
TRIAC; JESD-609 Code: e3; Terminal Finish: Matte Tin (Sn); Peak Reflow Temperature (C): 260; Maximum Time At Peak Reflow Temperature (s): 40;
Q4040K4TP
TRIAC; Maximum Time At Peak Reflow Temperature (s): 40; Terminal Finish: Matte Tin (Sn); JESD-609 Code: e3; Peak Reflow Temperature (C): 260;
Q4040K5TP
Q4040K7
Q4040K781
Q4040K7V
Q4040KH6
TRIAC; Package Style (Meter): FLANGE MOUNT; Surface Mount: NO; Terminal Position: SINGLE; Case Connection: ISOLATED; Maximum Operating Temperature: 125 Cel;
Q4040KH6TP
Q4040M4TP
TRIAC;
Q4040P
ALTERNISTOR TRIAC; Package Style (Meter): FLANGE MOUNT; Surface Mount: NO; Terminal Position: UPPER; Configuration: SINGLE; Case Connection: ISOLATED;
Q4040PV
Loras Industries
TRIAC; Package Style (Meter): FLANGE MOUNT; Surface Mount: NO; Terminal Position: SINGLE; Configuration: SINGLE; Case Connection: ISOLATED;
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
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12,000 In-Stock
Total price ≈ $80,197.29
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