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.
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BC449 by Onsemi is a NPN BJT transistor with max. power dissipation of 0.625W and max. collector-emitter voltage of 100V. It has a min. DC current gain of 50, making it suitable for applications requiring high frequency operation up to 200MHz in cylindrical package style.
Median Price
$0.079
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14
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ECAB
Fibra_Brandt Electronic GMBH
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TANS Electronics
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QUARKTWIN TECHNOLOGY LTD
SupplyDigital Components
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UHIMA Technologies
Provides good insulation and protection for the transistor, making it durable and reliable in various applications.
NPN transistors are commonly used in amplification and switching circuits, offering versatility and flexibility in design.
Simplified design with single configuration makes it easy to use and integrate into circuitry.
Round shape allows for easy mounting and installation in various electronic devices.
Through-hole terminals provide strong connections and ease of soldering, ensuring reliable performance.
With a high maximum power dissipation, this transistor can handle higher power levels without overheating.
Can operate efficiently at higher temperatures, suitable for a wide range of operating environments.
Capable of handling high voltage applications, providing versatility in circuit design.
A minimum DC current gain of 50 ensures reliable amplification and signal processing.
Can handle moderate current levels, making it suitable for various low to medium power applications.
High transition frequency allows for fast switching speeds, ideal for high-frequency applications.
Small Signal Bipolar Junction Transistors (BJT) BC449 attributes and parameters. Explore more Small Signal Bipolar Junction Transistors (BJT) devices from Onsemi
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):
Peak Reflow Temperature (C):
Polarity or Channel Type:
Maximum Power Dissipation (Abs):
Qualification:
Sub-Category:
Surface Mount:
Terminal Finish:
Terminal Form:
Terminal Position:
Transistor Element Material:
Nominal Transition Frequency (fT):
BC449 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
Established in 1999, Onsemi is a leading global provider of power and image-sensing technologies. They are dedicated to building a better future for the automotive, industrial, cloud, medical, and IoT markets. Onsemi's core technologies include analog, digital, and mixed-signal products that offer innovative solutions for advanced automotive systems; highly reliable power management products for industrial applications; low-cost imaging solutions for medical equipment and consumer electronics; and robust communication architectures for the Internet of Things (IoT).
President, CEO
Hassane El-Khoury
Executive VP, CFO, Treasurer
Thad Trent
Senior VP
Ross F. Jatou
Aizu Fab
Fabrication
Fab Initiation
1995
Japan
Aizu Wakamatsu
Wafer Capacity
52,000
Si/EPI Fab
2018
Czech Republic
Rožnov pod Radhoštěm
10,000
Expansion Phase 1 for SiC / EPI
2019
14,500
Expansion Phase 2 for SiC / EPI
2024
SiC Fab
2022
USA
Hudson
Bucheon
2013
South Korea
61,000
ISMF - Malaysia
1990
Malaysia
Seremban
95,000
Roznov Device Fab
1987
80,000
Fab 10
2002
East Fishkill
15,000
Burlington
1986
Canada
Gresham
1998
45,000
Bucheon 150mm
2000
50,000
1983
Nampa
Pennsylvania
1997
Mountain Top
36,000
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;
SMBJ18CA
Synsemi
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
MMBT3906LT1G
Onsemi
MMBT3906LT1G by Onsemi is a PNP BJT with VCEsat of 0.4V, hFE of 30, and fT of 250MHz. Ideal for small signal applications in electronics due to its low power dissipation, high transition frequency, and compact SOT-23 package. Suitable for use in temperature-sensitive environments with an operating range from -65°C to 150°C.
MMSZ5245BT1G
MMSZ5245BT1G by Onsemi is a Zener diode with 15V nominal reference voltage, 8.5mA test current, and 16 ohm dynamic impedance. It is used in applications requiring precise voltage regulation in a compact SMD package for temperatures ranging from -55 to 150°C.
Changzhou Galaxy Century Microelectronics
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LL4148
Weitron Technology
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
BSS138
Philips Semiconductors
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Operating Mode: ENHANCEMENT MODE; Maximum Operating Temperature: 150 Cel;
1N4148
Rochester Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Forward International Electronics
TRANS VOLTAGE SUPPRESSOR DIODE; Surface Mount: YES; Nominal Breakdown Voltage: 21.05 V; Maximum Clamping Voltage: 29.2 V; Maximum Repetitive Peak Reverse Voltage: 18 V; Polarity: BIDIRECTIONAL;
EU2B-YS303C
Idec
ROTARY SWITCH;
2N2222A
Hi-tron Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM358AN
Texas Instruments
LM358AN by Texas Instruments is an Operational Amplifier with 2 functions. It has a Max Input Offset Voltage of 5000 uV and Nominal Common Mode Reject Ratio of 85 dB. Widely used in voltage-feedback applications due to its high Min Voltage Gain of 15000 and Unity Gain Bandwidth of 1000 kHz.
Microsemi
BAV99
Promax-johnton
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Semiconductors
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Forward Voltage (VF): 1 V; Maximum Operating Temperature: 200 Cel; No. of Elements: 1;
Sinyork
RECTIFIER DIODE; Surface Mount: YES; Config: SINGLE; No. of Phases: 1; No. of Elements: 1; Maximum Repetitive Peak Reverse Voltage: 100 V;
LL4148-GS08
Vishay Telefunken
FSMLF327
Fox Electronics
FSMLF327 by Fox Electronics is a crystal oscillator with 20 ppm frequency tolerance, 144% stability, and 50000 ohm series resistance. Ideal for applications requiring precise timing such as communication systems, industrial automation, and consumer electronics. Operating temperature range from -40 to 85 °C.
AT90CAN128-16AUR
Microchip Technology
AT90CAN128-16AUR by Microchip: 16 MHz clock, 8-bit data RAM, and 131072 ROM words. Ideal for industrial applications with CAN, SPI, TWI connectivity and low power mode. Contains 4 timers, 8 ADC channels, and supports up to 10-bit analog to digital conversion.
FMMT493TA
Zetex Plc
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 150 MHz; Maximum Collector Current (IC): 1 A; Maximum Collector-Emitter Voltage: 100 V;
JANTX2N2222A
Raytheon Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Package Shape: ROUND; No. of Terminals: 3; Terminal Form: WIRE;
SMMBT4403LT1G
SMMBT4403LT1G by Onsemi is a PNP BJT transistor for switching applications. It has a VCEsat of 0.75V, hFE of 100, and IC of 0.6A. With a max operating temperature of 150°C, it is ideal for small outline surface mount designs requiring fast switching speeds up to 200MHz.
BC847C
Taitron Components
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Collector Current (IC): .1 A; Maximum Collector-Emitter Voltage: 45 V;
BC817-25LT1G
BC817-25LT1G by Onsemi is a NPN BJT with 160 min hFE, 45V VCEO, and 100MHz fT. Ideal for small signal applications in electronics due to its compact SMALL OUTLINE package and high transition frequency. Suitable for surface mount designs requiring low power dissipation and moderate collector current.
2N2907AUB
STMicroelectronics
PNP; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .5 A; Reference Standard: EUROPEAN SPACE AGENCY; No. of Elements: 1;
2N2222AUB
M/a-com Technology Solutions
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Collector Current (IC): .8 A; JESD-30 Code: R-CDSO-N3; Transistor Element Material: SILICON;
2N3906
Surge Components
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .2 A; Package Style (Meter): CYLINDRICAL;
BC847-C
Samsung
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .1 A; No. of Terminals: 3;
MBT3904DW1T1G
MBT3904DW1T1G by Onsemi is a small signal NPN bipolar junction transistor (BJT) with a max collector-emitter voltage of 40V. It has a min DC current gain of 30 and can handle a max collector current of 0.2A. This transistor is commonly used in amplifier applications due to its high transition frequency of 300MHz.
MMBT2222A
Fairchild Semiconductor
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .225 W; Maximum Collector Current (IC): 1 A;
BC846-B
Infineon Technologies
BC846-B by Infineon Technologies is a NPN BJT transistor with 200 min hFE, suitable for amplifier applications. It has a max collector-emitter voltage of 65V and can handle up to 0.1A of collector current. With a transition frequency of 250MHz, it comes in a small outline package ideal for surface mount assembly.
MMBT3904
Shanghai Lunsure Electronic Technology
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .35 W; Package Body Material: PLASTIC/EPOXY;
BC847-B
Kec
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .1 A; Transistor Element Material: SILICON;
BC847CE6327HTSA1
BC847CE6327HTSA1 by Infineon Technologies is a NPN BJT transistor with hFE of 420. It has Vce of 45V and Ic of 0.1A, suitable for switching applications. This surface mount device comes in a small outline package with Gull Wing terminals, ideal for high-frequency operations up to 250MHz.
SMMBT3904WT1G
SMMBT3904WT1G by Onsemi is a NPN BJT transistor with 3 terminals, hFE of 30, and max. power dissipation of 0.15W. Ideal for amplifier applications, it operates at up to 150°C, with Vce(max) of 40V and fT of 300MHz.
NXP Semiconductors
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A;
PBHV8540X,115
Nexperia
PBHV8540X,115 by Nexperia is a NPN BJT transistor with hFE of 100. It has VCE of 400V and IC of 0.5A, suitable for switching applications. This small outline transistor operates at fT of 30MHz, making it ideal for high-speed electronic circuits.
BC846B,215
NXP Semiconductors' BC846B,215 is a NPN BJT transistor for switching applications. With VCEsat of 0.6V and hFE of 200, it can handle IC up to 0.1A. Operating at 150°C max temp, it's ideal for small outline packages in surface mount configurations.
2N2219A
Semitronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .8 W; Maximum Collector Current (IC): .8 A;
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BC449ARLRP
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .3 A; Terminal Position: BOTTOM;
BC447RL1
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .3 A; Qualification: Not Qualified;
BC449ARLRE
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .3 A; Minimum DC Current Gain (hFE): 60;
BC449AG
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): 1.5 W; Maximum Collector Current (IC): .3 A;
BC447RLRP
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .3 A; No. of Terminals: 3;
BC449AZL1
BC447
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .3 A;
BC449A
BC447RLRA
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .3 A; JESD-30 Code: O-PBCY-T3;
BC449ARLRA
BC449ARL
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .3 A; Additional Features: EUROPEAN PART NUMBER;
BC447RLRM
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .3 A; Maximum Collector-Emitter Voltage: 80 V;
BC449ARLRM
BC447RL
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .3 A; Package Body Material: PLASTIC/EPOXY;
BC449G
BC447ZL1
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Collector Current (IC): .3 A; Package Style (Meter): CYLINDRICAL;
BC447G
BC447RLRE
BC449ARL1
BC448A
Continental Device India
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .3 A;
Supply Digital Components
$106.00
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12,000 In-Stock
Total price ≈ $80,197.29
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