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
BC549CBU by Fairchild Semiconductor is a NPN BJT transistor with a min hFE of 420 and max IC of 0.1A. It is used for switching applications, has a max VCE of 30V, and operates up to 150°C. The package is cylindrical with through-hole terminals in matte tin finish.
Median Price
$0.035
Lifecycle Status
Suppliers In-Stock
8
In-Stock Inventory
1k+
Rochester
1+ parts
-
100+ parts
$0.030
1k+ parts
$0.025
10k+ parts
$0.023
DigiKey
$0.040
Nova Conductors
$0.019
Digiode
$0.024
Chip Stock
Vyrian
DigiKey Marketplace
VNN
Continental Prestige Electronics
Argo Parts USA
Netroflash
Corphita
$0.022
Ampacity Inc.
$0.046
Andel Nordic
$0.110
$0.074
AZTECH Wire
$9.680
Supply Digital
Plastic/epoxy material provides durability and good thermal insulation, making the transistor suitable for various operating environments.
NPN transistors are commonly used for amplification and switching applications, offering high efficiency and speed in signal processing.
Single configuration simplifies circuit design and reduces complexity in assembly, making it suitable for straightforward applications.
Designed specifically for switching applications, this transistor offers fast switching speeds and low power dissipation, ideal for efficient control of electronic circuits.
Round package shape allows for easy mounting and fitting in various circuit layouts, providing versatility in application designs.
Through-hole terminals ensure secure connections and easy soldering, making the transistor suitable for manual assembly or prototyping.
With a high maximum power dissipation rating, this transistor can handle moderate power levels without overheating, ensuring reliable operation.
Cylindrical package style offers compactness and efficient heat dissipation, making the transistor suitable for space-constrained applications.
High minimum DC current gain ensures consistent and stable amplification of signals, providing reliable performance in various electronic circuits.
With a high maximum operating temperature, this transistor can withstand elevated temperatures, making it suitable for demanding industrial applications.
High maximum collector-emitter voltage rating allows for handling of higher voltage levels, ensuring safe operation in voltage-sensitive circuits.
Silicon material offers high conductivity and thermal stability, making the transistor suitable for high-frequency applications with low noise levels.
With a moderate maximum collector current rating, this transistor can handle medium current levels, making it suitable for various switching and amplification tasks.
Matte tin terminal finish provides corrosion resistance and low contact resistance, ensuring reliable connections in electronic circuits.
Bottom terminal position simplifies PCB layout and facilitates easy soldering, making the transistor suitable for automated assembly processes.
With a high nominal transition frequency, this transistor can operate at high frequencies, making it suitable for RF and high-speed switching applications.
Small Signal Bipolar Junction Transistors (BJT) BC549CBU attributes and parameters. Explore more Small Signal Bipolar Junction Transistors (BJT) devices from Fairchild Semiconductor
Additional Features:
Maximum Collector Current (IC):
Maximum Collector-Emitter Voltage:
Configuration:
Minimum DC Current Gain (hFE):
JEDEC-95 Code:
JESD-30 Code:
JESD-609 Code:
No. of Elements:
No. of Terminals:
Maximum Operating Temperature:
Package Body Material:
Package Shape:
Package Style (Meter):
Polarity or Channel Type:
Maximum Power Dissipation (Abs):
Qualification:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Transistor Application:
Transistor Element Material:
Nominal Transition Frequency (fT):
BC549CBU Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8541.21.00.95
SB
8541.21.00.80
In 2016 Fairchild was acquired by ON Semiconductor (after 2022, onsemi). Fairchild Semiconductor International, Inc. was an American semiconductor company based in San Jose, California. Founded in 1957 as a division of Fairchild Camera and Instrument, it became a pioneer in the manufacturing of transistors and of integrated circuits. Schlumberger bought the firm in 1979 and sold it to National Semiconductor in 1987; Fairchild was spun off as an independent company again in 1997. In September 2016, Fairchild was acquired by ON Semiconductor. The company had locations in the United States at San Jose, California; San Rafael, California; South Portland, Maine; West Jordan, Utah; and Mountaintop, Pennsylvania. Outside the US it operated locations in Australia;[4] Singapore; Bucheon, South Korea; Penang, Malaysia; Suzhou, China; and Cebu, Philippines, among others.
BSS138-TP
Micro Commercial Components
BSS138-TP by Micro Commercial Components is a N-channel small signal FET with a min DS breakdown voltage of 50V and max drain current of 0.22A. It is commonly used in applications requiring enhancement mode operation, such as power management and switching circuits.
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.
261
Mercury Systems
Other Interface ICs; Temperature Grade: MILITARY; Terminal Form: FLAT; No. of Terminals: 14; Package Code: DFP; Package Shape: SQUARE;
BSS138BKW,115
NXP Semiconductors
NXP Semiconductors' BSS138BKW,115 is a N-CHANNEL FET with 60V DS breakdown voltage and 0.32A ID. Ideal for SWITCHING applications, it features a built-in diode, 1.6 ohm RDS(on), and operates in ENHANCEMENT MODE. Suitable for surface mount with GULL WING terminals, it meets AEC-Q101 standards.
FDC5614P
TAIZHOU ELECTRONICS CO LTD
P-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): 1.92 W; Maximum Operating Temperature: 150 Cel; Package Body Material: PLASTIC/EPOXY;
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;
OPA2227UA
Texas Instruments
OPA2227UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 200 uV and bias current of 0.01 uA. It operates at temperatures ranging from -40 to 85 °C, making it suitable for industrial applications requiring precise signal amplification. With a unity gain bandwidth of 8000 kHz, this op amp is ideal for high-frequency circuit designs.
SS14
Microsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Frontier Electronics
BAV99
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WS
Vishay Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
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;
Good-ark Electronics
USB3320C-EZK-TR
Standard Microsystems
INTERFACE CIRCUIT; Temperature Grade: INDUSTRIAL; Terminal Form: NO LEAD; No. of Terminals: 32; Package Code: HVQCCN; Package Shape: SQUARE;
Weitron Technology
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Itt Semiconductor
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Bkc Semiconductors
BSS138DW-7-F
Diodes Incorporated
BSS138DW-7-F by Diodes Incorporated is a N-channel small signal FET with a min DS breakdown voltage of 50V. It is used for switching applications and operates in enhancement mode. This surface mount transistor has a max drain current of 0.2A and a max power dissipation of 0.2W.
LM317D2TG
LM317D2TG by Onsemi is an adjustable positive single output standard regulator with a max output current of 1.5A and a max output voltage of 37V. It operates in temperatures ranging from 0 to 125°C, making it suitable for various applications requiring precise voltage regulation in compact spaces.
LL4148
Kec
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
2N3906
Diotec Semiconductor Ag
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .2 A; Maximum Collector-Emitter Voltage: 40 V;
General Semiconductor
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .35 W; Maximum Collector Current (IC): .2 A;
2N2907A
Small Signal Bipolar Transistors; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .6 A; Minimum Operating Temperature: -55 Cel;
SMMBT2907ALT3G
SMMBT2907ALT3G by Onsemi is a PNP BJT with 60V VCEO, 0.6A IC, and 200MHz fT. Ideal for small outline applications requiring high DC current gain and fast turn-on/off times. Suitable for automotive electronics due to AEC-Q101 compliance and peak reflow temperature of 260°C.
BC846B
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A;
Siemens
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .6 A; No. of Terminals: 3;
PN2222ABU
PN2222ABU by Onsemi is a NPN bipolar junction transistor (BJT) with a max collector-emitter voltage of 40V and a max collector current of 1A. It is commonly used for switching applications due to its high DC current gain (hFE) of 40 and fast turn on/off times (ton: 35ns, toff: 285ns).
2N3904
Secos
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .2 A; Package Body Material: PLASTIC/EPOXY;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .35 W; Maximum Collector Current (IC): .2 A;
ZTX653
Zetex Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 175 MHz; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): 2 A;
MMBT2907A
PNP; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .6 A; No. of Elements: 1;
2N2219A
Microchip Technology
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .8 A; Minimum Operating Temperature: -55 Cel; Transistor Element Material: SILICON;
MMBT3906-TP
MMBT3906-TP by Micro Commercial Components is a PNP BJT transistor with hFE of 100. It has a max power dissipation of 0.3W and operates up to 150°C. Ideal for amplifier applications, this SMD transistor offers a transition frequency of 250MHz in a small outline package.
BC817-25
Infineon Technologies
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 170 MHz; Maximum Power Dissipation (Abs): .33 W; Maximum Collector Current (IC): .5 A;
Motorola
JANTX2N2222AUA
Micropac Industries
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .8 A; Terminal Form: NO LEAD; Transistor Element Material: SILICON;
SBC817-25LT1G
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .3 W; Maximum Collector Current (IC): .5 A;
2N2907AUB
Silicon Transistor
2N2907AUB is a PNP silicon transistor with a max collector-emitter voltage of 60V and a max collector current of 0.6A. It is commonly used in small signal applications where low power dissipation and high DC current gain (hFE) are required.
MMBT3904
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .2 A;
MMBT3904T-7-F
Diodes Inc. MMBT3904T-7-F is a NPN BJT with 40V VCEO, 0.2A IC, and 300MHz fT. Ideal for small signal amplification in compact electronic devices due to its small outline package and high transition frequency. Suitable for surface mount applications requiring fast switching speeds and low power dissipation.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
BC547B
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .1 A; Package Body Material: PLASTIC/EPOXY;
Fairchild Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .1 A;
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .1 A; Terminal Form: THROUGH-HOLE; Qualification: Not Qualified;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .1 A; Maximum Power Dissipation Ambient: 1.5 W;
Central Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .1 A; Package Shape: ROUND;
Taitron Components
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 150 MHz; Maximum Collector Current (IC): .1 A; Maximum Collector-Emitter Voltage: 45 V;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .1 A;
BC547-B
Samsung
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .1 A; Qualification: Not Qualified;
Rectron
Surge Components
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 100 MHz; Maximum Collector Current (IC): .1 A; Package Body Material: PLASTIC/EPOXY;
Forward International Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .1 A; Maximum Operating Temperature: 150 Cel;
Synsemi
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 150 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .1 A;
Small Signal Bipolar Transistors; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .1 A;
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Collector Current (IC): .1 A; JEDEC-95 Code: TO-92; JESD-609 Code: e0;
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 150 MHz; Maximum Collector Current (IC): .1 A; No. of Elements: 1;
BC547-B by Infineon Technologies is a NPN BJT transistor with a min hFE of 200, ideal for switching applications. It has a max IC of 0.1A and can operate at temperatures up to 150°C. The transistor comes in a cylindrical package with through-hole terminals, making it suitable for various electronic circuits.
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