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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The Everlight Electronics PT91-21B/TR9 is a 1.9mm round phototransistor with peak wavelength of 940nm. It operates b/w -25°C to 85°C, has a max power dissipation of 0.075W, and can handle an on-state current of 0.02A. Ideal for applications requiring infrared detection in compact spaces with surface mount requirements.
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Perfect Parts
Single configuration is easier to handle and install, making it a convenient choice for various applications.
Compact size allows for versatile placement options and integration into different devices without taking up much space.
Peak wavelength of 940nm makes this phototransistor suitable for applications where infrared sensing or communication is required.
Being a phototransistor, it offers high sensitivity to light, making it ideal for light sensing and detection applications.
With a high maximum operating temperature of 85°C, this phototransistor can withstand heat and operate reliably in various environments.
Round shape enables easy mounting and alignment, making the installation process simpler and more convenient.
Low minimum operating temperature of -25°C allows this phototransistor to function effectively even in colder conditions.
With a maximum power dissipation of 0.075W, this phototransistor can handle moderate power levels without overheating.
Nominal light current of 1.5mA ensures reliable performance in detecting and responding to varying light levels.
Low maximum dark current of 100nA minimizes the impact of background noise, resulting in accurate light sensing.
Having an infrared range makes this phototransistor suitable for applications involving IR light detection or communication.
Minimum collector-emitter breakdown voltage of 30V offers protection against voltage spikes and ensures long-term reliability.
Surface mount capability simplifies the mounting process and enables easy integration into circuit boards or devices.
High maximum on-state current of 0.02A allows this phototransistor to handle heavier loads or higher current applications.
Phototransistors PT91-21B/TR9 attributes and parameters. Explore more Phototransistors devices from Everlight Electronics
Minimum Collector-emitter Breakdown Voltage:
Configuration:
Maximum Dark Current:
Infrared (IR) Range:
Nominal Light Current:
Mounting Feature:
No. of Functions:
Maximum On State Current:
Maximum Operating Temperature:
Minimum Operating Temperature:
Optoelectronic Type:
Peak Wavelength (nm):
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Sub-Category:
PT91-21B/TR9 Optoelectronics trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8541.40.70.80
SB
EVERLIGHT Electronics Co., Ltd. was founded in 1983 in Taipei, Taiwan led by Chairman Robert Yeh. EVERLIGHT has over 40 years of R&D experience for reliable capability. With immediate service and an excellent brand reputation, EVERLIGHT has taken top five worldwide in the competitive LED market. Our products are manufactured and packed in-house to guarantee maximum quality and service. EVERLIGHT provides a diverse product portfolio consisting of High Power LEDs, SMD LEDs, Lamps, Lighting Components, LED Lighting Modules, Digital Displays, Opto-couplers and Infrared Components for various applications. Today, EVERLIGHT is a global company with over 6,400 employees based in China, Hong Kong, Japan, Korea, Singapore, Malaysia, India, Germany and U.S.A.
ATMEGA328P-AU
Microchip Technology
ATMEGA328P-AU by Microchip: 8-bit RISC CPU, 20 MHz clock, 23 I/O lines. Ideal for industrial applications with SPI, TWI, USART connectivity and low power mode. Features include 2048 RAM bytes, 1024 EEPROM size, and 16384 ROM words.
1N4148WS
Surge Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
U.FL-R-SMT-1(10)
Hirose Electric
U.FL-R-SMT-1(10) by Hirose Electric is a RF connector with 50 ohm impedance, 0.05 dB insertion loss, and 8 GHz operating frequency. Ideal for board mounting in commercial applications, it features gold termination finish, liquid crystal polymer insulator, and 200VAC dielectric voltage resistance.
2N2222A
Baneasa S A
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Collector Current (IC): .8 A; Qualification: Not Qualified;
LM7805CT/NOPB
National Semiconductor
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Maximum Voltage Tolerance: 5 %; Operating Temperature (TJ-Max): 125 Cel; Maximum Output Voltage-1: 5.25 V;
SS14
Sensitron Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N7002
Fairchild Semiconductor
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Time At Peak Reflow Temperature (s): 30; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR;
LL4148
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LM317T
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Terminal Form: THROUGH-HOLE; Maximum Output Current-1: 1.5 A; No. of Outputs: 1; Qualification Status: Not Qualified;
SMBJ18CA
Vishay Semiconductors
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM7805CT
Texas Instruments
LM7805CT by Texas Instruments is a fixed positive single output standard regulator with an output voltage of 5V and max current of 1.5A. It operates b/w 0-125°C, has a dropout voltage of 2V, and offers excellent line/load regulation for various electronic applications.
LM2931AZ-5.0G
Onsemi
LM2931AZ-5.0G by Onsemi is a fixed positive single output LDO regulator with a nominal output voltage of 5V and max output current of 0.1A. It has a max dropout voltage of 0.6V, making it suitable for applications requiring stable power supply in temperature-sensitive environments up to 125°C. The package style is cylindrical with wire terminals, ideal for rail packing methods in various electronic devices.
Infineon Technologies
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
1N4148WS-7-F
Diodes Incorporated
1N4148WS-7-F by Diodes Inc. is a single rectifier diode with max reverse recovery time of 0.004 us and max reverse current of 1 uA. It operates b/w -65 to 150 °C, ideal for applications requiring small outline surface mount diodes with a max output current of 0.15 A.
Formosa Microsemi
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .225 W; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR; Maximum Drain Current (Abs) (ID): .115 A;
Bkc Semiconductors
FDN306P
FDN306P by Onsemi is a P-CHANNEL FET with 12V DS Breakdown Voltage, ideal for SWITCHING applications. It features SINGLE configuration with BUILT-IN DIODE and GULL WING terminals. Operating in ENHANCEMENT MODE, it has a max ID of 2.6A and 0.04 ohm RDS(on), suitable for small outline packages at temperatures ranging from -55 to 150°C.
1N4148
Rochester Electronics
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Tt Electronics Plc
ADJUSTABLE POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Qualification Status: Not Qualified; JESD-30 Code: R-PSFM-T3;
QSB363.ZR
Qt Optoelectronics
QSB363.ZR by Qt Optoelectronics is a 1.9mm ROUND PHOTO TRANSISTOR with max operating temp of 85°C and min of -40°C. It has 0.7mA light current, 100nA dark current, and 30V breakdown voltage. Ideal for applications requiring precise light sensing in compact spaces.
LS618
LS618 by Texas Instruments is a single phototransistor with max temp of 125°C. It has nominal light current of 8mA, response time of 0.000008s, and IR range. Ideal for applications requiring fast response to light such as optical sensors or proximity detectors.
PT4600
Sharp Corporation
Sharp Corporation's PT4600 is a 1.6mm ROUND PHOTO TRANSISTOR with peak wavelength of 800nm. It operates b/w -25 to 85 °C, with collector-emitter voltage of 35V. Ideal for applications requiring IR detection and light current of 0.95mA, it has Tin/Lead terminal finish and low dark current of 100nA.
OP505A
Optek Technology
PHOTO TRANSISTOR; Mounting Feature: THROUGH HOLE MOUNT; Maximum Dark Current: 100 nA; Shape: ROUND; No. of Functions: 1; Minimum Collector-emitter Breakdown Voltage: 30 V;
BPW77NA
Vishay Intertechnology
Vishay Intertechnology's BPW77NA is a 4mm phototransistor with peak wavelength of 850nm. It operates b/w -40 to 125°C, has a response time of 0.0000038s, and features matte tin terminal finish. Ideal for applications requiring IR detection in through-hole mounting setups.
BPY62-3
Photo Transistors; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Peak Wavelength (nm): 850; Minimum Operating Temperature: -55 Cel; Maximum On State Current: .05 A;
BPW76B
Telefunken Microelectronics
Photo Transistors; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Operating Temperature: 125 Cel; Peak Wavelength (nm): 800; Maximum On State Current: .05 A;
SFH302
Photo Transistors; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Peak Wavelength (nm): 880; Maximum On State Current: .05 A; Maximum Operating Temperature: 100 Cel;
QSD123
PHOTO TRANSISTOR; Mounting Feature: THROUGH HOLE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Response Time: .000008 s; Size: 5 mm; Maximum Dark Current: 100 nA;
SFH3710-Z
Osram Opto Semiconductors
The Osram Opto Semiconductors SFH3710-Z is a single phototransistor with peak wavelength of 570nm. It operates b/w -40°C to 85°C, has a collector-emitter breakdown voltage of 5.5V, and nominal light current of 0.0025mA. Ideal for applications requiring precise light detection in compact spaces.
SD1440-002L
Honeywell Sensing And Control
SD1440-002L by Honeywell is a phototransistor with max operating temp of 125°C and min of -55°C. It has a max power dissipation of 0.075W, dark current of 100nA, and response time of 0.000015s. Ideal for applications requiring through hole mounting such as light sensing in various electronic devices.
TEMT6000
Vishay Intertechnology's TEMT6000 is a phototransistor with peak wavelength of 570nm. It operates b/w -40°C to 85°C, with max power dissipation of 0.1W and dark current of 50nA. Ideal for surface mount applications, it has a max on state current of 0.02A.
TPS606-B
Toshiba
PHOTO TRANSISTOR; Nominal Light Current: .01 mA; Configuration: SINGLE; Infrared (IR) Range: NO; No. of Functions: 1; Minimum Operating Temperature: -25 Cel;
TPS615(B,F)
PHOTO TRANSISTOR; Mounting Feature: THROUGH HOLE MOUNT; Shape: ROUND; Peak Wavelength (nm): 800; Minimum Collector-emitter Breakdown Voltage: 30 V; No. of Functions: 1;
SPS281C
SPS281C by Onsemi is a PHOTO DARLINGTON phototransistor with peak wavelength of 850nm. It has max power dissipation of 0.05W and response time of 0.00003s. Ideal for applications requiring optoelectronic sensing in temperatures ranging from -25 °C to 80°C.
BPX89
Infineon Technologies' BPX89 is a phototransistor with max operating temp of 85°C and min of -40°C. It features max dark current of 200nA and response time of 0.000008s. Ideal for applications requiring THROUGH HOLE MOUNT, such as light sensing in various electronic devices.
OP804SL
OP804SL by Tt Electronics Plc is a single configuration phototransistor with a max operating temperature of 125°C. It has a nominal light current of 7mA and min collector-emitter breakdown voltage of 30V. Ideal for applications requiring infrared detection in environments ranging from -65°C to 125°C.
SFH309FA-3/4
SFH309FA-3/4 by Osram Opto Semiconductors is a single phototransistor with peak wavelength of 900nm. It operates b/w -40 to 100°C, with max power dissipation of 0.165W. Ideal for applications requiring IR detection and radial mounting, it has a collector-emitter breakdown voltage of 35V and on-state current of 0.015A.
TEMT1020
Vishay Telefunken
PHOTO TRANSISTOR; Mounting Feature: SURFACE MOUNT; Terminal Finish: Matte Tin (Sn); Nominal Light Current: 7 mA; Maximum Dark Current: 200 nA; Maximum Response Time: .000002 s;
ASDL-6771-C41
Broadcom
PHOTO TRANSISTOR; Terminal Finish: Matte Tin (Sn); Minimum Operating Temperature: -40 Cel; Shape: ROUND; Size: 1.6 mm; No. of Functions: 1;
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PT91-21B/TR7
Everlight Electronics
PHOTO TRANSISTOR; Mounting Feature: SURFACE MOUNT; Size: 1.9 mm; Maximum On State Current: .02 A; Infrared (IR) Range: YES; Maximum Dark Current: 100 nA;
PT91-21C/TR7
PHOTO TRANSISTOR; Nominal Light Current: 1.5 mA; Configuration: SINGLE; Minimum Collector-emitter Breakdown Voltage: 30 V; Maximum Dark Current: 100 nA; Maximum Operating Temperature: 85 Cel;
PT91-21B/TR10
PHOTO TRANSISTOR; Mounting Feature: SURFACE MOUNT; Infrared (IR) Range: YES; Shape: ROUND; Size: 1.9 mm; Minimum Collector-emitter Breakdown Voltage: 30 V;
PT91-21C/TR10
PHOTO TRANSISTOR; Infrared (IR) Range: YES; Minimum Operating Temperature: -25 Cel; Additional Features: HIGH SENSITIVITY; Size: 1.9 mm; No. of Functions: 1;
PT91-21C
PHOTO TRANSISTOR; Mounting Feature: SURFACE MOUNT; Maximum Dark Current: 100 nA; Configuration: SINGLE; Maximum Operating Temperature: 85 Cel; Size: 1.9 mm;
PT91-21B/F10
PHOTO TRANSISTOR; Maximum Dark Current: 100 nA; Configuration: SINGLE; Minimum Collector-emitter Breakdown Voltage: 30 V; Minimum Operating Temperature: -25 Cel; Infrared (IR) Range: YES;
PT91-21B
PHOTO TRANSISTOR; Mounting Feature: SURFACE MOUNT; Maximum Dark Current: 100 nA; Minimum Collector-emitter Breakdown Voltage: 30 V; Nominal Light Current: 1.5 mA; Peak Wavelength (nm): 940;
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