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
Coilcraft Q4343-BL is a SMPS transformer with 85uH primary inductance and 500V isolation voltage. It has two secondary windings, outputting 12V each, suitable for power applications. With dimensions of L27.94xB27.94xH24.13 mm, it operates b/w -40°C to 85°C temperature range.
Median Price
$6.205
Lifecycle Status
Suppliers In-Stock
3
In-Stock Inventory
< 1k
Coilcraft
1+ parts
$5.250
100+ parts
-
1k+ parts
$3.010
10k+ parts
$2.100
Mouser Electronics
$7.160
$5.240
$4.720
$4.570
Nova Conductors
Ampacity Inc.
$4.250
Continental Prestige Electronics
Argo Parts USA
Aranea Global
High isolation voltage ensures safe operation and protects sensitive electronic components from voltage spikes and surges.
Optimal inductance value ensures efficient power transfer and minimal energy loss in the transformer.
TRAY packaging method ensures easy handling and storage of the transformer during transportation and assembly.
Dual secondary windings provide flexibility in designing circuits with multiple output voltage requirements.
Compact size allows for space-saving installation in various power applications.
Specifically designed for power applications, ensuring reliable and stable performance in demanding environments.
High maximum operating temperature rating ensures reliable operation even in elevated temperature conditions.
Stable output voltage of 12V ensures consistent power supply to connected devices.
Dual output voltages of 12V provide flexibility in powering different components within the circuit.
Low minimum operating temperature rating allows for use in cold environments without compromising performance.
Tin/silver terminal finish provides good conductivity and solderability, ensuring secure connections in the circuit.
Low height profile allows for mounting in space-constrained applications.
Optimal width for easy integration and compatibility with standard PCB layouts.
Low minimum input voltage requirement allows for operation in low voltage conditions, extending the range of compatible power sources.
Switched-mode power supply (SMPS) transformer design offers high efficiency and compact size for power conversion applications.
Through hole mounting feature provides secure and stable attachment to PCBs, ensuring reliable performance in diverse applications.
Optimal length for straightforward integration and compatibility with standard PCB designs.
High maximum input voltage rating ensures compatibility with a wide range of power sources, increasing versatility and applicability.
SMPS Transformers Q4343-BL attributes and parameters. Explore more SMPS Transformers devices from Coilcraft
Application:
Height:
Maximum Input Voltage (V):
Minimum Input Voltage (V):
Isolation Voltage:
Length:
Mounting Feature:
No. of Winding (Primary):
No. of Winding (Secondary):
Maximum Operating Temperature:
Minimum Operating Temperature:
Output Voltage-1:
Output Voltage-2:
Packing Method:
Dimensions:
Inductance (Primary):
Sub-Category:
Terminal Finish:
Transformer Type:
Width:
Q4343-BL Transformers trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
Headquartered in Cary, IL, Coilcraft has been a leader in the design, manufacture and distribution of high-performance magnetic components including RF chip inductors, power magnetics and filters since 1945. In addition to the industry’s largest selection of standard, off-the-shelf components, we also design and build custom magnetics to meet your precise requirements
1N4148WS
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Bkc Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138-7-F
Diodes Incorporated
Diodes Inc. BSS138-7-F is a N-channel FET with 50V DS breakdown voltage, 0.2A max drain current, and 3.5 ohm RDS(on). Ideal for switching applications in small outline packages with matte tin finish, operating up to 150°C peak reflow temp.
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.
Itt Semiconductor
ABS10-32.768KHZ-T
Abracon
Abracon's ABS10-32.768KHZ-T crystal oscillator offers 20 ppm frequency tolerance, 122% stability, and 70000 ohm series resistance. Ideal for applications requiring precise timing at 0.032768 MHz, such as IoT devices and wearables due to its compact size and low power consumption.
LL4148
Leshan Radio
RECTIFIER DIODE; Surface Mount: YES; Maximum Non Repetitive Peak Forward Current: 2 A; Maximum Reverse Recovery Time: .004 us; No. of Phases: 1; Maximum Operating Temperature: 175 Cel;
0460-202-16141
TE Connectivity
TE Connectivity's 0460-202-16141 contact features a crimp terminal type, machined contact design, and rated AC voltage of 1500V. With a wire gauge range of 20-16 AWG, it is ideal for applications requiring a male round pin-socket contact style in assembly products.
LM555CN
Rca Solid State
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
2N7002
Changzhou Galaxy Century Microelectronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Minimum DS Breakdown Voltage: 60 V; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; No. of Terminals: 3;
STM8S003F3P6TR
STM8S003F3P6TR by STMicroelectronics is an 8-bit microcontroller with a max clock frequency of 16 MHz. It features 1024 RAM bytes, 128 data EEPROM size, and 5-ch 10-bit ADC channels. Ideal for industrial applications requiring low power mode and connectivity via I2C, SPI, and UART interfaces.
SMBJ18CA
Pro-an Electronic
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Maximum Clamping Voltage: 29.2 V; Polarity: BIDIRECTIONAL; Nominal Breakdown Voltage: 21.05 V; Maximum Repetitive Peak Reverse Voltage: 18 V;
2N2222A
Baneasa S A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; Qualification: Not Qualified;
Motorola
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; Maximum Collector-Base Capacitance: 8 pF;
Eic Semiconductor
MBRS3200T3G
Onsemi
MBRS3200T3G by Onsemi is a Schottky rectifier diode with a max output current of 3A and a max forward voltage of 0.59V. It operates in temperatures ranging from -65°C to 175°C, making it suitable for power applications. The diode has a peak repetitive reverse voltage of 200V and is designed for surface mount installation in electronic circuits.
Weitron Technology
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .35 W; Terminal Finish: TIN LEAD; Maximum Operating Temperature: 150 Cel;
BAV99WT1G
BAV99WT1G by Onsemi is a series connected diode with 0.006 us reverse recovery time. It is a small outline rectifier diode with 70V peak reverse voltage, ideal for surface mount applications in electronics requiring fast switching and low forward voltage drop.
SZNUP2105LT1G
SZNUP2105LT1G by Onsemi is a Transient Suppression Device with 2 elements in a common anode configuration. It has a max non-repetitive peak reverse power dissipation of 350W and breakdown voltage of 29.1V. Ideal for applications requiring bidirectional polarity protection, such as automotive electronics and industrial equipment due to its AEC-Q101 compliance and high clamping voltage of 44V.
Taiwan Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
C1585-ALD
Coilcraft C1585-ALD is a 13W SMPS transformer with 1500V isolation voltage, 127uH inductance, and 2.6A output current. Ideal for signal applications, it operates b/w -40°C to 85°C with dimensions of 13.46mm x 13.0mm x 12.32mm and a max frequency of 250 KHz.
DCT15EFD-U44S003
TDK
DCT15EFD-U44S003 by TDK is a SMPS transformer with primary inductance of 10uH. It features dimensions of 8.5mm x 16.5mm x 22.5mm, suitable for surface mount applications. Ideal for power supply designs requiring compact and efficient transformers.
76253/55ENC
Murata Manufacturing
Murata Manufacturing's 76253/55ENC is a SMPS transformer with dimensions of 15mm x 12.5mm x 15mm. It features matte tin terminal finish and through-hole mounting, suitable for power supply applications.
YA9127-BED
Coilcraft's YA9127-BED is a 6W SMPS transformer with 2 primary windings, 40uH inductance, and output voltage of 12V. Ideal for applications requiring a surface mount transformer with operating temperatures from -40 to 85°C and frequencies ranging from 125kHz to 150kHz.
749119650
Wuerth Elektronik & Kg
Wurth Elektronik's 749119650 SMPS Transformer has primary inductance of 100uH, 2 secondary windings, and operates b/w -40°C to 125°C. With output voltages of 5V each, it is ideal for surface mount applications requiring input voltage range of 33-57V.
TGM-H281NFLF
Halo Electronics
TGM-H281NFLF by Halo Electronics is a 3W SMPS transformer with 2 primary and secondary windings, offering 1500V isolation voltage. Its compact dimensions of L12.07xB11.56xH8.64 (mm) make it suitable for surface mount applications requiring high isolation levels, such as in power supplies or industrial equipment. The transformer features a turns ratio of 1:1:2.6:2.6 and matte tin over nickel terminal finish for reliable performance in various electronic devices.
JA4429-AL
Coilcraft's JA4429-AL SMPS Transformer offers 24W power rating, 400uH primary inductance, and 24V output voltage. Ideal for applications requiring a compact transformer with through-hole mounting, operating b/w -40°C to 85°C temperature range.
750312367
750312367 by Wurth Elektronik is a SMPS Transformer with inductance of 300uH, output voltage of 3.3V, and operating temperature range from -40 to 125°C. Ideal for applications requiring surface mounting feature and IEC approvals.
PA1835NL
Pulse Electronics
PA1835NL by Pulse Electronics is a SMPS transformer with 3 primary windings, inductance of 4.5uH, and dimensions of L29.21xB21.84xH11.43 (mm). It operates b/w -40 to 130°C, outputs at 3.3V, and supports input voltages from 9V to 36V. Ideal for surface mount applications with a max frequency of 200 KHz.
POE30P-50LB
Coilcraft's POE30P-50LB is a 3W SMPS transformer with primary inductance of 310000uH. It has two windings for both primary and secondary, outputting 12V and 5V. Ideal for surface mount applications with operating temperatures ranging from -40 to 85°C.
PL300-100L
Coilcraft's PL300-100L is a 300W SMPS transformer with 2 primary windings and an inductance of 287uH. It operates b/w -40 to 125°C, suitable for AEC-Q200 applications. With dimensions of L29.46xB26.67xH10.4mm, it is designed for surface mounting in high-frequency circuits up to 700KHz.
MTPL-2516-S12V
Vishay Intertechnology
Vishay Intertechnology's MTPL-2516-S12V is a 3W SMPS transformer with 2 primary and secondary windings, inductance of 450uH, and output voltage of 12V. Approved for MIL-PRF-27, it operates b/w -55°C to 130°C. Ideal for applications requiring a max input voltage of 380V and operating frequency range from 100KHz to 500KHz.
ZB1050-AED
Coilcraft's ZB1050-AED is an 8.25W SMPS transformer with 2 primary windings at 12.5uH, suitable for AEC-Q200 applications. It operates b/w -40 to 85°C, outputs 3.3V, and supports up to 300 KHz frequency, ideal for surface mounting in automotive electronics.
PA1837NL
PA1837NL by Pulse Electronics is a SMPS transformer with 3 primary windings and inductance of 4.5uH. It operates b/w -40 to 130°C, outputs 12V, and supports input voltage range of 9-36V. Ideal for surface mount applications with dimensions L29.21xB21.84xH11.43mm and max frequency of 200KHz.
UA7902-AL
Coilcraft UA7902-AL is a 2W SMPS Transformer with primary inductance of 25uH. It outputs 5V, suitable for applications requiring a min input voltage of 7V and max input voltage of 24V. Ideal for surface mounting, it measures 17.07mm x 10mm x 5.97mm, making it versatile for various power supply designs.
78253/55MVC
Murata Manufacturing's 78253/55MVC is a 1W SMPS Transformer with primary inductance of 600uH. It operates b/w -40 to 85°C, outputting 5V at a frequency of up to 500KHz. Ideal for surface mount applications requiring compact dimensions and reliable power conversion.
FL2015-9LD
Coilcraft FL2015-9LD is a 6W SMPS transformer with primary inductance of 22uH. It operates b/w -40 to 85°C, outputting 1600V at max input voltage of 16V. Ideal for surface mount applications up to 100 KHz frequency.
PA2047NL
PA2047NL by Pulse Electronics is a SMPS transformer with 2 primary windings and an inductance of 7.2 uH. It has a max operating temperature of 130°C and output voltages of 5V and 3.3V. This transformer is suitable for surface mount applications in power supply systems with input voltages ranging from 9V to 36V.
ZA9674-BED
ZA9674-BED by Coilcraft is a 12W SMPS Transformer with 9uH primary inductance. It has 2 windings for both primary and secondary, operating at -40 to 85°C. Ideal for applications requiring a max output voltage of 48V, it is AEC-Q200 approved for automotive use.
FL2015-8LD
Coilcraft FL2015-8LD is a 6W SMPS Transformer with primary inductance of 31uH. It operates b/w -40 to 85°C, outputting 1600V at max frequency of 100KHz. Ideal for surface mount applications requiring compact dimensions and high power efficiency.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
Q4343-B
SMPS TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Terminal Finish: Tin/Lead (Sn/Pb); Width: 27.94 mm; Inductance (Primary): 85 uH; JESD-609 Code: e0;
Q4344-B
SMPS TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNTED; Terminal Finish: Tin/Lead (Sn/Pb); Additional Features: TURNS RATIO: 1:0.8; 1:0.8; 1:0.35; Height: 24.13 mm; Width: 27.94 mm;
Q4344-BL
SMPS TRANSFORMER; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Silver (Sn/Ag) - Tin (Sn); Width: 27.94 mm; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel;
Supply Digital Components
$106.00
$54.25
$11.90
$7.29
Quantity
12,000 In-Stock
Total price ≈ $80,197.29
© 2023 All rights reserved