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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ROHM 2SD1949 is a NPN BJT transistor with max. collector-emitter voltage of 50V and max. collector current of 0.5A. Ideal for switching applications, it has a min. DC current gain of 82 and can operate at up to 150°C. Its small outline package makes it suitable for surface mount designs.
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The use of plastic/epoxy material in the package body makes the transistor lightweight and durable, making it easy to handle and suitable for various applications.
The NPN polarity allows for easy integration with other components in electronic circuits, simplifying the design and construction of switching applications.
The single configuration simplifies the circuit layout and provides easier troubleshooting and maintenance in the event of any issues.
Designed specifically for switching applications, this transistor ensures fast response times and efficient performance in on/off operation.
Being surface mountable, this transistor can be easily mounted on PCBs, saving space and enabling automated assembly processes.
The rectangular shape of the package allows for easy positioning and placement on the PCB, ensuring a neat and organized layout.
With a maximum power dissipation of 0.2 W, this transistor can handle moderate power levels without overheating, ensuring reliability in operation.
The minimum DC current gain of 82 ensures consistent and reliable amplification of current in the circuit, improving overall performance.
The high maximum operating temperature of 150°C allows for reliable performance in a wide range of environmental conditions.
With a maximum collector-emitter voltage of 50 V, this transistor can handle higher voltage levels, making it suitable for a variety of applications.
Silicon is a commonly used material for transistor elements due to its high performance, reliability, and versatility in electronic circuits.
The maximum collector current of 0.5 A allows for high current-carrying capability, making this transistor suitable for a wide range of applications.
The terminal finish of tin, silver, and copper provides good conductivity and solderability, ensuring secure connections and reliable performance.
The dual terminal position allows for easy connectivity and integration with other components, facilitating the assembly and installation process.
With a maximum time of 10 seconds at peak reflow temperature, this transistor is suitable for reflow soldering processes, ensuring secure and reliable connections.
The peak reflow temperature of 260°C ensures proper soldering and mounting of the transistor on PCBs, enhancing reliability and performance.
Small Signal Bipolar Junction Transistors (BJT) 2SD1949 attributes and parameters. Explore more Small Signal Bipolar Junction Transistors (BJT) devices from ROHM
Maximum Collector Current (IC):
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JESD-609 Code:
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Maximum Power Dissipation (Abs):
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2SD1949 Transistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
Rohm Co Ltd is a Japan-based company that manufactures and distributes electronic components for use in automotive, transportation, medical, healthcare, audiovisual, telecommunications, digital power, computer and peripherals, and home appliance end markets. Its product portfolio includes integrated circuits in memory, amplifiers, switches, data converters, and microcontrollers; discrete semiconductors, such as transistors and diodes; power devices; passive devices, such as resistors and capacitors; and optoelectronic devices.
1N4148WS
Continental Device India
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BSS138BKW,115
Nexperia
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Terminal Finish: TIN; No. of Terminals: 3; Additional Features: LOGIC LEVEL COMPATIBLE;
Bytesonic Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Rectron
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
DS18B20Z+T&R
Maxim Integrated
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Minimum Operating Temperature: -55 Cel; Package Body Material: PLASTIC/EPOXY;
Analog Devices
DS18B20Z+T&R by Analog Devices is a 12-bit temperature sensor with 1-Wire interface. It operates b/w -55 to 125°C, offering ±0.5°C accuracy. The sensor comes in a plastic package suitable for surface mount applications, with a max supply voltage of 5.5V and min of 3V.
2N2222A
Texas Instruments
2N2222A by Texas Instruments is a small signal NPN bipolar junction transistor (BJT) with a max collector-emitter voltage of 40V and a max collector current of 0.8A. It is commonly used for switching applications due to its fast turn on/off times (35ns/285ns) and high transition frequency (300MHz).
Tak Cheong Electronics Holdings
Central Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Transistor Application: SWITCHING; Transistor Element Material: SILICON;
Kec
RECTIFIER DIODE; Surface Mount: NO; Maximum Repetitive Peak Reverse Voltage: 100 V; Maximum Non Repetitive Peak Forward Current: 2 A; Config: SINGLE; Maximum Operating Temperature: 200 Cel;
International Devices
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
LM555CMX
LM555CMX by Texas Instruments is an Analog Waveform Generation IC with 8 terminals. It operates at a nominal voltage of 5V and supports power supplies ranging from 5V to 15V. This versatile IC, housed in a small outline package, is commonly used for pulse and rectangular waveform generation in commercial temperature environments.
SS495A-SP
Honeywell Sensing And Control
SS495A-SP by Honeywell is a magnetic field sensor with 10.5V max supply voltage, 3" body width, and 1.5% linearity. Ideal for applications requiring a Hall effect sensor with -40 to 150°C operating temperature range, such as position sensing in automotive or industrial systems.
SS14
Forward International Electronics
RECTIFIER DIODE; Surface Mount: YES; Maximum Operating Temperature: 150 Cel; No. of Elements: 1; No. of Phases: 1; Maximum Output Current: 1 A;
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;
1N4148WT
Changzhou Galaxy Century Microelectronics
LL4148
Sinyork
RECTIFIER DIODE; Surface Mount: YES; Config: SINGLE; No. of Phases: 1; No. of Elements: 1; Maximum Repetitive Peak Reverse Voltage: 100 V;
MBRS360T3G
Onsemi
MBRS360T3G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.63V and a max output current of 3A. It is designed for applications requiring high-speed switching and low power loss, making it suitable for use in various electronic devices.
IRLML6402TRPBF
Infineon Technologies
IRLML6402TRPBF by Infineon is a P-CHANNEL FET for SWITCHING applications. It features a 20V DS Breakdown Voltage, 22A IDM, and 0.065 ohm RDS(on). With a small outline package and matte tin finish, it operates in temperatures from -55 to 150 °C.
BSS138
Sipex
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .36 W; Moisture Sensitivity Level (MSL): 1; Peak Reflow Temperature (C): 240;
2N2907A
Crimson Semiconductor
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .4 W; Maximum Collector Current (IC): .6 A;
BC847-C
BC847-C by Infineon Technologies is a NPN BJT transistor with hFE of 420, fT of 250 MHz, and IC of 0.1 A. It is used in amplifier applications due to its max VCE of 45V and operating temp of 150°C. This surface-mount transistor has a Gull Wing terminal form in a small outline package.
2N3904
Micro Commercial Components
Small Signal Bipolar Transistors; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .2 A;
2N3906
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .625 W; Maximum Collector Current (IC): .2 A;
ULN2003ADRE4
ULN2003ADRE4 by Texas Instruments is a NPN BJT transistor with 7 elements and 16 terminals. It has a max VCEsat of 1.6V, IC of 0.5A, and VCE of 50V. Ideal for switching applications, this surface-mount transistor features a Gull Wing terminal form in a small outline package style.
2N2905A
2N2905A by Texas Instruments is a PNP BJT transistor with max. power dissipation of 0.6W, hFE of 100, and max. collector-emitter voltage of 60V. Ideal for switching applications due to its fast turn-on/off times (45ns/100ns) and high transition frequency (200MHz).
BC817-25W,115
NXP Semiconductors
NXP Semiconductors' BC817-25W,115 is a NPN BJT transistor with VCEsat of 0.7V and hFE of 160. Ideal for switching applications, it has a max IC of 0.5A and operates up to 150°C. With a compact small outline package, it features GULL WING terminals for surface mount assembly.
2N2907AUB
Optek Technology
PNP; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .4 W; Maximum Collector Current (IC): .6 A; No. of Elements: 1;
JANTX2N2222A
Vpt Components
NPN; Configuration: SINGLE; Surface Mount: NO; Maximum Power Dissipation (Abs): 1 W; Maximum Collector Current (IC): .8 A; Package Body Material: METAL;
BC547C
Secos
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 150 MHz; Maximum Collector Current (IC): .1 A; Maximum Collector-Emitter Voltage: 45 V;
STMicroelectronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .6 A;
PMBT2369,215
NXP Semiconductors' PMBT2369,215 is a NPN BJT transistor for switching applications. It has a VCEsat of 0.25V, hFE of 20, and IC of 0.2A. With a max operating temperature of 150°C, it offers fast turn-on/off times (10ns/20ns) and high transition frequency (500MHz).
MMBT2222AT-7-F
Diodes Incorporated
Diodes Inc.'s MMBT2222AT-7-F is a NPN BJT transistor with max. power dissipation of 0.15W, hFE of 40, and max. collector-emitter voltage of 40V. Ideal for small signal applications in electronics due to its high transition frequency of 300MHz and compact SOT package design for surface mounting.
Vishay Sprague
NPN; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JEDEC-95 Code: TO-18; Maximum Collector-Emitter Voltage: 40 V;
National Semiconductor
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector-Base Capacitance: 8 pF; Package Style (Meter): CYLINDRICAL;
MMBT2907A
PNP; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .225 W; Maximum Collector Current (IC): .8 A;
MMBT3904-TP
MMBT3904-TP by Micro Commercial Components is a NPN BJT transistor with hFE of 100, ideal for amplifier applications. With max power dissipation of 0.35W and max collector-emitter voltage of 40V, it operates at up to 150°C. This surface mount device has a small outline package style and offers a transition frequency of 300MHz.
PNP; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 200 MHz; Maximum Power Dissipation (Abs): .6 W; Maximum Collector Current (IC): .6 A;
Electronic Transistors
BC846B
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): .25 W; Maximum Collector Current (IC): .1 A;
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2SD1815T-TL-E
NPN; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): 20 W; Maximum Collector Current (IC): 3 A; Minimum DC Current Gain (hFE): 200;
2SD1802T-TL-E
The Onsemi 2SD1802T-TL-E is a NPN BJT with max power dissipation of 15W, hFE of 200, and IC of 3A. Ideal for surface mount applications in electronics due to its single configuration and high operating temperature up to 150°C.
2SD1624T-TD-E
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 150 MHz; Maximum Collector Current (IC): 3 A; Terminal Form: FLAT;
2SD1048-6-TB-E
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .7 A;
2SD1624S-TD-E
2SD1624S-TD-E by Onsemi is a NPN BJT transistor for switching applications. It has hFE of 140, VCE of 50V, and IC of 3A. With a fT of 150MHz, it's ideal for small outline packages in surface mount technology.
2SD1782KFRAT146Q
ROHM
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 120 MHz; Maximum Collector Current (IC): .5 A; Maximum Operating Temperature: 150 Cel;
2SD1801S-TL-E
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 150 MHz; Maximum Collector Current (IC): 2 A; Maximum Time At Peak Reflow Temperature (s): 30;
2SD1767T100R
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 120 MHz; Maximum Power Dissipation (Abs): 2 W; Maximum Collector Current (IC): .7 A;
2SD1949T106Q
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .5 A;
2SD1782KT146Q
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 120 MHz; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .5 A;
2SD1757KT146Q
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 150 MHz; Maximum Power Dissipation (Abs): .2 W; Maximum Collector Current (IC): .5 A;
2SD1782KT146R
2SD1782KFRAT146R
2SD1898T100R
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Power Dissipation (Abs): 2 W; Maximum Collector Current (IC): 1 A;
2SD1664T100Q
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 150 MHz; Maximum Power Dissipation (Abs): 2 W; Maximum Collector Current (IC): 1 A;
2SD1757KT146R
2SD1834T100
NPN; Configuration: DARLINGTON; Surface Mount: YES; Nominal Transition Frequency (fT): 150 MHz; Maximum Power Dissipation (Abs): 2 W; Maximum Collector Current (IC): 1 A;
2SD1898
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 100 MHz; Maximum Collector Current (IC): 1 A; No. of Elements: 1;
2SD1918TLQ
NPN; Configuration: SINGLE; Surface Mount: YES; Nominal Transition Frequency (fT): 80 MHz; Maximum Power Dissipation (Abs): 10 W; Maximum Collector Current (IC): 1.5 A;
2SD1223(TE16L1,NQ)
Toshiba
NPN; Configuration: DARLINGTON WITH BUILT-IN DIODE AND RESISTOR; Surface Mount: YES; Maximum Collector Current (IC): 4 A; JESD-30 Code: R-PSSO-G2; Terminal Position: SINGLE;
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