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.
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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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PN4249/D74Z by National Semiconductor is a PNP BJT transistor with hFE of 100, IC of 0.1A, and fT of 40MHz. Ideal for amplifier applications due to its single configuration and cylindrical package shape with through-hole terminals.
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The use of plastic/epoxy material in the package body makes the transistor lightweight and durable, suitable for various applications.
The PNP polarity type allows for easy integration into PNP transistor circuits, making it compatible with a wide range of amplifier applications.
Designed specifically for amplifier applications, this transistor offers reliable performance and high-quality amplification capabilities.
The three terminals allow for simple and convenient connections, making it easy to integrate into circuit designs.
With a minimum DC current gain of 100, this transistor provides consistent and reliable amplification of input signals.
The maximum collector current of 0.1 A ensures that the transistor can handle a sufficient amount of current for most amplifier applications.
With a nominal transition frequency of 40 MHz, this transistor is capable of operating at high frequencies, making it suitable for a wide range of amplifier applications.
Small Signal Bipolar Junction Transistors (BJT) PN4249/D74Z attributes and parameters. Explore more Small Signal Bipolar Junction Transistors (BJT) devices from National Semiconductor
Additional Features:
Maximum Collector Current (IC):
Configuration:
Minimum DC Current Gain (hFE):
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JESD-30 Code:
No. of Elements:
No. of Terminals:
Package Body Material:
Package Shape:
Package Style (Meter):
Polarity or Channel Type:
Qualification:
Surface Mount:
Terminal Form:
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Transistor Application:
Transistor Element Material:
Nominal Transition Frequency (fT):
PN4249/D74Z Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
National Semiconductor was an American semiconductor manufacturer which specialized in analog devices and subsystems, formerly with headquarters in Santa Clara, California. The company produced power management integrated circuits, display drivers, audio and operational amplifiers, communication interface products and data conversion solutions. National's key markets included wireless handsets, displays and a variety of broad electronics markets, including medical, automotive, industrial and test and measurement applications.On September 23, 2011, the company formally became part of Texas Instruments as the "Silicon Valley" division.
LM107H/883
Texas Instruments
LM107H/883 by Texas Instruments is a MIL-STD-883 compliant operational amplifier with 3000uV max input offset voltage, 80dB common mode reject ratio, and 250kHz unity gain bandwidth. Ideal for military applications due to its -55 to 125 °C operating temperature range and robust metal package body material.
BAV99
Vishay Telefunken
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SS14
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
M24308/2-1F
Cristek Interconnects
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; No. of Rows Loaded: 2; Shell Size: 1/E; Filter Feature: NO;
Surge Components
LL4148
Changzhou Galaxy Century Microelectronics
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM317T
LM317T by Texas Instruments is an adjustable positive single output standard regulator with a max output voltage of 37V and max input-output voltage differential of 40V. Operating temperature ranges from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in electronic circuits. With a max output current of 1.5A, this through-hole package regulator is ideal for power supply designs where adjustable voltage levels are needed.
CRCW06031K00FKEAHP
Vishay Intertechnology
Vishay Intertechnology's CRCW06031K00FKEAHP is a fixed resistor with 1000 ohm resistance, 1% tolerance, and 0.33 W power dissipation. Ideal for surface mount applications in automotive electronics due to AEC-Q200 standard compliance and operating voltage of 75 V.
1N4148
ROHM
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
1N4148WT
Yangzhou Yangjie Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
ULN-2803A
Vishay Sprague
Vishay Sprague's ULN-2803A is an 8-bit peripheral driver with a max supply voltage of 3V. Featuring open-collector output characteristics, it offers built-in transient protections and operates b/w -20°C to 85°C. Ideal for applications requiring sink current flow direction, this rectangular-shaped driver has a terminal pitch of 2.54mm and turn-on/off time of 1us.
2N7002
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .83 W; No. of Elements: 1; Transistor Application: SWITCHING;
OHN3140U
Optek Technology
MAGNETIC FIELD SENSOR,HALL EFFECT; Mounting Feature: THROUGH HOLE MOUNT; No. of Terminals: 3; Output Type: ANALOG CURRENT; Package Shape or Style: RECTANGULAR; Output Range: 25mA;
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.
SMBJ18CA
Bourns
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Panjit International
2N2222A
Aeroflex/metelics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Package Shape: ROUND; Transistor Application: SWITCHING;
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.
MMBT3904LT1G
Onsemi
MMBT3904LT1G by Onsemi is a NPN BJT with max. collector-emitter voltage of 40V, hFE of 30, and fT of 300MHz. Ideal for small signal applications in electronics due to its compact size, high transition frequency, and low power dissipation capabilities.
BC847B
Forward International Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .45 W; Maximum Collector Current (IC): .1 A;
2N3904
Samsung
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .35 W; Maximum Collector Current (IC): .2 A;
BC817-40
Continental Device India
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .33 W; Maximum Collector Current (IC): .5 A;
MMBTA56LT1G
MMBTA56LT1G by Onsemi is a PNP BJT transistor with 3 terminals. It has a max power dissipation of 0.3W, hFE of 100, and fT of 50MHz. Ideal for amplifier applications due to its small outline package style and operating temperature range from -55°C to 150°C.
JANTX2N2222AUA
Defense Logistics Agency
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .8 A; Minimum DC Current Gain (hFE): 100; No. of Elements: 1;
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .3 W; Maximum Collector Current (IC): .1 A;
JANTX2N2222AUB
Silicon Transistor
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
Renesas Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 540 MHz; Maximum Power Dissipation (Abs): .35 W; Maximum Collector Current (IC): .2 A;
BC856B,215
NXP Semiconductors
BC856B,215 by NXP Semiconductors is a PNP BJT transistor for switching applications. It has a max VCEsat of 0.65V and min hFE of 220. With a max operating temperature of 150°C, it is ideal for small outline surface mount designs.
Space Power Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
BC857BS,115
PNP; Configuration: SEPARATE, 2 ELEMENTS; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Collector Current (IC): .1 A; Maximum Time At Peak Reflow Temperature (s): 30;
Minilogic Device
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .2 A; JESD-609 Code: e0;
JANTX2N2222AUBT/R
Microsemi
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .8 A; No. of Terminals: 3; Reference Standard: MIL-19500/255;
2N2905A
Tt Electronics Plc
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .6 A; Maximum Collector-Emitter Voltage: 60 V;
BC847C,215
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A;
2N3906
Toshiba
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .35 W; Maximum Collector Current (IC): .2 A;
BC847B,235
BC847-C
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .1 A; No. of Terminals: 3;
BC847BT116
ROHM BC847BT116 is a NPN BJT transistor with VCEsat of 0.3V, hFE of 200, and IC of 0.1A. Ideal for amplifier applications, it has a max operating temp of 150°C and transition frequency of 200MHz. Its GULL WING terminals make it suitable for surface mount designs.
Fairchild Semiconductor
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .3 W; Maximum Collector Current (IC): .1 A;
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PN4249
Central Semiconductor
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 40 MHz; Transistor Element Material: SILICON; Maximum Collector-Emitter Voltage: 60 V;
Micro Electronics
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 40 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .05 A;
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .05 A;
Crimson Semiconductor
New Jersey Semiconductor Products
PNP; Configuration: SINGLE; Nominal Transition Frequency (fT): 40 MHz; Maximum Collector-Emitter Voltage: 60 V; Transistor Element Material: SILICON; No. of Elements: 1;
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 40 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .1 A;
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .5 A; Terminal Position: BOTTOM;
National Semiconductor
Nte Electronics
PN4249D74Z
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .5 A; Package Shape: ROUND;
PN4250
PN4250A
PN4275
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 400 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .1 A;
PN4249/D11Z
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 40 MHz; Maximum Collector Current (IC): .1 A; Terminal Position: BOTTOM;
PN4249/D28Z
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 40 MHz; Maximum Collector Current (IC): .1 A; Qualification: Not Qualified;
PN4249/D29Z
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 40 MHz; Maximum Collector Current (IC): .1 A; JESD-30 Code: O-PBCY-T3;
PN4249/D26Z
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 40 MHz; Maximum Collector Current (IC): .1 A; Package Shape: ROUND;
PN4249/D27Z
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 40 MHz; Maximum Collector Current (IC): .1 A; No. of Terminals: 3;
PN4249/D75Z
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 40 MHz; Maximum Collector Current (IC): .1 A; Package Body Material: PLASTIC/EPOXY;
PN4249D75Z
PNP; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .5 A; Maximum Collector-Emitter Voltage: 60 V;
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