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
QK040K7TP by Littelfuse is a single TRIAC with a max RMS on-state current of 40A and repetitive peak off-state voltage of 1000V. It is designed for alternating current applications, featuring a plastic/epoxy package body material and isolated case connection. Ideal for use in devices requiring reliable AC switching capabilities at temperatures ranging from -40°C to 125°C.
Median Price
$14.490
Lifecycle Status
Suppliers In-Stock
11
In-Stock Inventory
1k+
Farnell
1+ parts
$9.730
100+ parts
$6.510
1k+ parts
$6.350
10k+ parts
-
Mouser Electronics
$9.920
DigiKey
$8.552
Newark
$18.740
$14.580
$13.910
Element14
$19.490
$11.980
$11.920
TTI Europe
$8.947
$8.348
Verical
Bristol Electronics
$10.830
IBS Electronics
$11.319
Nova Conductors
ACDS - Activité Composants Distribution Service
Advanced Electronics
$2.673
$2.432
$2.192
Ampacity Inc.
$7.600
Continental Prestige Electronics
$9.300
$7.230
CoreStaff
$14.036
$8.404
Microchip USA
$35.336
Neutron USA
$44.990
Kepictronics
Perfect Parts
Authorized Procurement Solutions
Infinite Electronics LLP (Excess)
Formix International (Excess)
Aranea Global
GreenTree Electronics
This material provides durability and protection for the internal components of the TRIAC.
Allows for reliable triggering of the TRIAC under specified conditions.
Simplified design with single configuration for easy installation and usage.
Low leakage current ensures efficient operation and minimizes power loss.
Provides necessary connections for proper functioning of the TRIAC.
Allows for operation in a wide range of temperature conditions.
Specific type of TRIAC for particular applications requiring alternating current control.
High off-state voltage rating for handling varying voltage levels in the circuit.
Triode For Alternating Current (TRIAC) QK040K7TP attributes and parameters. Explore more Triode For Alternating Current (TRIAC) devices from Littelfuse
Case Connection:
Configuration:
Minimum Critical Rate of Rise of Commutation Voltage:
Minimum Critical Rate of Rise of Off-state Voltage:
Maximum DC Gate Trigger Current:
Maximum DC Gate Trigger Voltage:
Maximum Holding Current:
JEDEC-95 Code:
JESD-30 Code:
JESD-609 Code:
Maximum Leakage Current:
Moisture Sensitivity Level (MSL):
No. of Elements:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Package Body Material:
Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Qualification:
Maximum RMS On-state Current:
Reference Standard:
Repetitive Peak Off-state Voltage:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
Trigger Device Type:
QK040K7TP Triggering Devices trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8541.30.00.80
SB
PCN Design/Specification - APAK Pkg Molding Chg 15/Apr/2019
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.
LM358AN
National Semiconductor
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: THROUGH-HOLE; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR;
2N7002
Supertex
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; No. of Elements: 1; Maximum Feedback Capacitance (Crss): 5 pF;
2N2222A
General Transistor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
OHN3140U
Tt Electronics Plc
OHN3140U by Tt Electronics Plc is a magnetic field sensor with a max supply voltage of 24V and hysteresis of 2mT. It features an output range of 25mA and operates b/w -20 to 85°C. Ideal for applications requiring precise detection and measurement of magnetic fields in various industries.
1N4148
Capar Components
RECTIFIER DIODE; Surface Mount: NO; No. of Phases: 1; Maximum Forward Voltage (VF): 1 V; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Output Current: .15 A;
ECA2DHG4R7
Panasonic
ECA2DHG4R7 by Panasonic is a 4.7uF aluminum electrolytic capacitor with 200V rated DC voltage. It features tan delta of 0.15, leakage current of 0.0664mA, and ripple current of 50mA, making it ideal for applications requiring high capacitance stability and low leakage in through-hole mounting setups at temperatures ranging from -25 to 105°C.
LM107H
General Electric Solid State
OPERATIONAL AMPLIFIER; Temperature Grade: MILITARY; Terminal Form: WIRE; No. of Terminals: 8; Package Shape: ROUND; Minimum Voltage Gain: 25000;
STMicroelectronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .6 A;
BAV99
Vishay Telefunken
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
261
Deltrol Controls
Other Relays;
EU2B-YS3203C
Idec
ROTARY SWITCH;
LL4148
Promax-johnton
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
PIC18F4550T-I/PT
Microchip Technology
The Microchip Technology PIC18F4550T-I/PT microcontroller operates at a max clock frequency of 48 MHz with 8-bit architecture. It features 13-Ch 10-Bit ADC channels and USB connectivity, making it suitable for industrial applications requiring high-speed data processing and analog-to-digital conversion. With low power mode and flash ROM programmability, this device offers efficient performance in compact designs.
B340A-13-F
Diodes Incorporated
B340A-13-F by Diodes Inc. is a Schottky rectifier diode with 40V reverse test voltage, 3A max output current, and 0.5V max forward voltage. It is used for efficiency applications in electronics due to its small outline package and high operating temperature range of -55°C to 150°C.
SMBJ18CA
Protek Devices
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Daco Semiconductor
SS14
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
DS18B20Z+T&R
Maxim Integrated
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Minimum Operating Temperature: -55 Cel; Package Body Material: PLASTIC/EPOXY;
ABS06-32.768KHZ-T
Abracon
Abracon's ABS06-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 90000 ohm series resistance, and -40 to 85 °C operating temperature range. Ideal for applications requiring precise timing in compact designs like IoT devices and wearables.
MAC218A4
Onsemi
MAC218A4 by Onsemi is a TRIAC with 200V repetitive peak off-state voltage, 8A max RMS on-state current, and 2V max on-state voltage. It is used in AC power control applications due to its single configuration, through-hole terminals, and flange mount package style.
MAC15-008
MAC15-008 by Onsemi is a TRIAC with 15A RMS current and 600V repetitive peak off-state voltage. It has a plastic/epoxy body, single configuration, and through-hole terminals. Ideal for AC power control applications due to its flange mount package style and trigger device type as a TRIAC.
Q6015L6
Teccor Electronics
ALTERNISTOR TRIAC; Package Style (Meter): FLANGE MOUNT; Surface Mount: NO; Terminal Position: SINGLE; Configuration: SINGLE; Case Connection: ISOLATED;
MAC4DSN-1G
MAC4DSN-1G by Onsemi is a TRIAC with 800V repetitive peak off-state voltage and 4A max RMS on-state current. It operates b/w -40 to 125 °C, with a gate trigger voltage of 1.3V and a max DC gate trigger current of 10mA. Ideal for AC power control applications requiring reliable switching capabilities.
CMA80MT1600NHB
Littelfuse
4 QUADRANT LOGIC LEVEL TRIAC;
2N6073A
Semitronics
4 QUADRANT LOGIC LEVEL TRIAC; Package Style (Meter): FLANGE MOUNT; Surface Mount: NO; Terminal Position: SINGLE; Configuration: SINGLE; No. of Elements: 1;
MAC218-8
MAC218-8 by Onsemi is a TRIAC with 600V repetitive peak off-state voltage, 8A max RMS on-state current, and 2V max on-state voltage. It is used in AC power control applications due to its single configuration, through-hole terminal form, and flange mount package style.
T2500DG
T2500DG by Onsemi is a single TRIAC with 3 terminals, featuring a max RMS on-state current of 6A and a repetitive peak off-state voltage of 400V. Ideal for applications requiring a trigger device with 4 quadrant logic level TRIAC configuration, such as in AC power control systems.
MAC228A4G
MAC228A4G by Onsemi is a single TRIAC with 3 terminals, max. DC gate trigger current of 5mA, and max. RMS on-state current of 8A. It operates b/w -40 to 110°C, suitable for applications requiring a 200V repetitive peak off-state voltage and 2V max. DC gate trigger voltage.
MAC12MG
MAC12MG by Onsemi is a TRIAC with 3 terminals, max RMS on-state current of 12A, and repetitive peak off-state voltage of 600V. It operates b/w -40 to 125 °C and has a max DC gate trigger current of 35mA. Ideal for AC power control applications due to its high performance and reliability.
MAC16DG
MAC16DG by Onsemi is a TRIAC with 16A RMS on-state current, 400V 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.
BTA12-600TWRG
BTA12-600TWRG by STMicroelectronics is a TRIAC with 600V repetitive peak off-state voltage, 12A max RMS on-state current, and 5mA DC gate trigger current. Ideal for applications requiring precise AC power control in various electronic devices.
BTA26-600BRG
BTA26-600BRG by STMicroelectronics is a TRIAC with 600V repetitive peak off-state voltage and 25A max RMS on-state current. It has a 50mA max DC gate trigger current and operates b/w -40°C to 125°C. Ideal for applications requiring precise AC power control in various electronic devices.
TIC201N
Texas Instruments
TIC201N by Texas Instruments is a TRIAC with 2.5A RMS On-state Current, 800V Repetitive Peak Off-state Voltage, and 25mA Max DC Gate Trigger Current. Ideal for AC power control applications due to its high operating temperature range (-40°C to 110°C) and low leakage current of 1mA.
TIC253N
TIC253N by Texas Instruments is a TRIAC with 20A RMS current, 800V repetitive peak off-state voltage, and 2.5V max DC gate trigger voltage. It operates b/w -40°C to 125°C and is ideal for AC power control applications requiring precise switching capabilities.
2N6073A by Onsemi is a TRIAC with max DC gate trigger current of 20mA, RMS on-state current of 4A, and repetitive peak off-state voltage of 400V. It is used in applications requiring a single configuration triode for AC control, such as lighting dimmers and motor speed controllers.
BTA06-600SWRG
BTA06-600SWRG by STMicroelectronics is a single TRIAC with 600V repetitive peak off-state voltage and 6A max RMS on-state current. It features a 10mA max DC gate trigger current and operates b/w -40°C to 125°C. Ideal for applications requiring precise switching control in various electronic devices.
MAC97A6RL1
MAC97A6RL1 by Onsemi is a single TRIAC with 3 terminals, ideal for AC applications. It has a max DC gate trigger current of 7mA and can handle a max RMS on-state current of 0.6A. With a repetitive peak off-state voltage of 400V, it operates b/w -40 to 110 °C, making it suitable for various switching applications.
DTA8G
DTA8G by Onsemi is a TRIAC with 600V repetitive peak off-state voltage, 8A max RMS on-state current, and 50mA max DC gate trigger current. It operates b/w -30 °C to 125°C, making it suitable for AC power control applications.
BT139-600E/DG,127
Ween Semiconductors
TRIAC; Surface Mount: NO; Maximum Holding Current: 45 mA; Maximum RMS On-state Current: 16 A; JESD-609 Code: e3; Maximum Leakage Current: .5 mA;
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QK040J4TP
TRIAC;
QK040J7TP
TRIAC; Peak Reflow Temperature (C): 260; JESD-609 Code: e3; Maximum Time At Peak Reflow Temperature (s): 40; Terminal Finish: Matte Tin (Sn);
QK040JH6TP
TRIAC; JESD-609 Code: e3; Peak Reflow Temperature (C): 260; Terminal Finish: Matte Tin (Sn); Maximum Time At Peak Reflow Temperature (s): 40;
QK040K3TP
TRIAC; Terminal Finish: Matte Tin (Sn); JESD-609 Code: e3; Peak Reflow Temperature (C): 260; Maximum Time At Peak Reflow Temperature (s): 40;
QK040K4TP
TRIAC; Peak Reflow Temperature (C): 260; Terminal Finish: Matte Tin (Sn); Maximum Time At Peak Reflow Temperature (s): 40; JESD-609 Code: e3;
QK040K5TP
ALTERNISTOR TRIAC; Maximum Time At Peak Reflow Temperature (s): 40; Peak Reflow Temperature (C): 260; Terminal Finish: Matte Tin (Sn); JESD-609 Code: e3;
QK040K7
QK040KH6
TRIAC; Package Style (Meter): FLANGE MOUNT; Surface Mount: NO; Terminal Position: SINGLE; Case Connection: ISOLATED; Terminal Finish: MATTE TIN;
QK040KH6TP
QK040M4TP
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
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