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
FET OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Maximum Response Time: .002 s; Maximum Operating Temperature: 65 Cel; Maximum Isolation Voltage: 1500 V; No. of Elements: 1;
Median Price
$1.913
Lifecycle Status
Suppliers In-Stock
4
In-Stock Inventory
1k+
Verical
1+ parts
-
100+ parts
1k+ parts
10k+ parts
Vyrian
ACDS - Activité Composants Distribution Service
TME
$1.830
$1.640
AZTECH Wire
$1.600
$1.540
$1.510
$1.480
Component Stockers USA
Optocoupler Transistor Outputs TLP197A(F) attributes and parameters. Explore more Optocoupler Transistor Outputs devices from Toshiba
Maximum Forward Current:
Maximum Forward Voltage:
Maximum Isolation Voltage:
Mounting Feature:
No. of Elements:
Maximum Operating Temperature:
Minimum Operating Temperature:
Optoelectronic Type:
Maximum Response Time:
Sub-Category:
TLP197A(F) Optoelectronics trade compliance attributes, and parameters.
HTS
8541.40.80.00
SB
PCN Obsolescence/ EOL - DK OBS NOTICE
TOSHIBA, is a Japanese multinational conglomerate corporation headquartered in Minato, Tokyo, Japan. Its diversified products and services include power, industrial and social infrastructure systems, elevators and escalators, electronic components, semiconductors, hard disk drives (HDD), printers, batteries, lighting, as well as IT solutions such as quantum cryptography which has been in development at Cambridge Research Laboratory, Toshiba Europe, located in the United Kingdom, now being commercialised.It was one of the biggest manufacturers of personal computers, consumer electronics, home appliances, and medical equipment. As a semiconductor company and the inventor of flash memory, Toshiba had been one of the top 10 in the chip industry until its flash memory unit was spun off as Toshiba Memory, later Kioxia, in the late 2010s.
LM2931AZ-5.0RPG
Onsemi
LM2931AZ-5.0RPG by Onsemi is a Fixed Positive Single Output LDO Regulator with 5V nominal output voltage and 0.1A max output current. It features a low dropout voltage of 0.6V, making it suitable for applications requiring stable power supply in temperature range from -40 to 125°C. The package style is cylindrical with matte tin terminal finish, ideal for various electronic devices needing precise voltage regulation.
08055C104KAT4A
KYOCERA AVX
08055C104KAT4A by KYOCERA AVX is a ceramic capacitor with 0.1uF capacitance, rated for 50V. With X7R temperature characteristics and -55 to 125 °C operating range, it's ideal for SMT applications requiring compact size and high reliability. The wraparound terminals and multi-layer design make it suitable for various electronic circuits.
1N4148
Vishay Intertechnology
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
SDR0604-101KL
Bourns
SDR0604-101KL by Bourns is a surface mount fixed inductor with a nominal inductance of 100 uH. It is a general purpose inductor suitable for power applications, with a max rated current of 0.52 A and a self-resonance frequency of 9 MHz.
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;
SMBJ18CA
Sensitron Semiconductor
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
2N2222A
General Diode
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
Dc Components
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
BAV99
Vishay Telefunken
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
Synsemi
M24308/2-1F
Air Electro
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Mating Info.: MULTIPLE MATING PARTS AVAILABLE; MIL Conformity: YES; Additional Features: STANDARD: MIL-DTL-24308;
Silicon Transistor
LM555CMX
National Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
06035C103KAT2A
06035C103KAT2A by KYOCERA AVX is a SMT ceramic capacitor with 0.01uF capacitance and 50V URdc. It has X7R temperature characteristics, -55 to 125 °C operating range, and 10% tolerance. Ideal for applications requiring compact surface mount capacitors with stable performance in a wide temperature range.
LM555CM
Renesas Electronics
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
2902037
Phoenix Contact
MODULAR TERMINAL BLOCK;
SS14
Vishay Semiconductors
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Harris Semiconductor
BSS138
Changzhou Galaxy Century Microelectronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Time At Peak Reflow Temperature (s): NOT SPECIFIED; Minimum DS Breakdown Voltage: 50 V; Maximum Operating Temperature: 150 Cel;
TCLT1003
Telefunken Microelectronics
Optocoupler - Transistor Outputs; Mounting Feature: SURFACE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Power Dissipation: .15 W; Maximum Forward Voltage: 1.6 V; JESD-609 Code: e0;
CNY17-3
TRANSISTOR OUTPUT OPTOCOUPLER; Minimum Operating Temperature: -55 Cel; Maximum Forward Current: .06 A; Maximum Operating Temperature: 100 Cel; Maximum Isolation Voltage: 3750 V; Maximum Dark Current: 100 nA;
LTV-816S-TA1-A
Lite-on Technology
The Lite-on Technology LTV-816S-TA1-A is a single optocoupler with max forward current of 0.05 A, operating temp range -30 to 110 °C, and isolation voltage of 5000 V. Ideal for applications requiring high current transfer ratio, low response time, and surface mounting feature.
IS281-4GB
Isocom
TRANSISTOR OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Packing Method: TR; Maximum Power Dissipation: .17 W; Maximum Isolation Voltage: 3000 V; Maximum Dark Current: 100 nA;
HMHA2801
TRANSISTOR OUTPUT OPTOCOUPLER; Terminal Finish: Tin (Sn); No. of Elements: 1; Additional Features: UL RECOGNIZED; Nominal Current Transfer Ratio: 80 %; Maximum Operating Temperature: 100 Cel;
Agilent Technologies
TRANSISTOR OUTPUT OPTOCOUPLER; Terminal Finish: Tin/Lead (Sn/Pb); No. of Elements: 1; Additional Features: UL RECOGNIZED; Configuration: SINGLE; Minimum Collector-emitter Breakdown Voltage: 70 V;
SFH615A-2
Isocom Components
TRANSISTOR OUTPUT OPTOCOUPLER; Terminal Finish: TIN; No. of Elements: 1; Maximum Isolation Voltage: 5300 V; Maximum Dark Current: 50 nA; Maximum Forward Current: .05 A;
FODM8801AR2
TRANSISTOR OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: Tin (Sn); Maximum Isolation Voltage: 3750 V; Nominal Current Transfer Ratio: 138 %; Configuration: SINGLE;
4N35
Texas Instruments
4N35 by Texas Instruments is a single optocoupler with max forward current of 0.06A, operating temp range -55 to 100°C, and isolation voltage up to 3550V. It's used in applications requiring high collector-emitter breakdown voltage, low dark current, and reliable signal transfer ratio of 100%.
TLP185(GR-TPR,SE(T
Toshiba
Toshiba's TLP185(GR-TPR,SE(T optocoupler features a single transistor output with max forward current of 0.02A and min transfer ratio of 100%. Ideal for applications requiring high isolation voltage (3750V) and surface mounting in temperature range -55 to 110°C.
TLP291(GB-TP,E(O
Toshiba's TLP291(GB-TP,E(O optocoupler features a max forward current of 0.05A, 100% current transfer ratio, and 3750V isolation voltage. Ideal for applications requiring single transistor output optocouplers with temp range -55 to 110°C and min breakdown voltage of 80V.
4N25M
TRANSISTOR OUTPUT OPTOCOUPLER; Terminal Finish: Matte Tin (Sn); Maximum Forward Current: .06 A; Maximum Operating Temperature: 100 Cel; Nominal Current Transfer Ratio: 20 %; Maximum Isolation Voltage: 7500 V;
SFH6186-5X001T
Vishay Intertechnology SFH6186-5X001T is a single optocoupler with max. forward current of 0.06A, operating temp. range -55 to 100°C, and isolation voltage of 5300V. Ideal for applications requiring high collector-emitter breakdown voltage, low dark current, and reliable signal transfer ratio of 300%.
TLP182(GB-TPL,E
Toshiba's TLP182(GB-TPL,E is a single optocoupler with AC input-transistor output. It has a max forward current of 0.05A, min operating temp of -55°C, and max isolation voltage of 3750V. Ideal for applications requiring high current transfer ratio, low dark current, and surface mounting feature.
MOCD223MR2
DARLINGTON OUTPUT OPTOCOUPLER;
ILD213T
Infineon Technologies
TRANSISTOR OUTPUT OPTOCOUPLER; Mounting Feature: SURFACE MOUNT; Terminal Finish: Tin/Lead (Sn/Pb); Packing Method: TR; Maximum Forward Current: .03 A; Maximum Dark Current: 50 nA;
TCMT1600
AC INPUT-TRANSISTOR OUTPUT OPTOCOUPLER; Terminal Finish: Tin (Sn); Configuration: SINGLE; Maximum Isolation Voltage: 3750 V; Minimum Collector-emitter Breakdown Voltage: 70 V; Maximum Forward Current: .06 A;
TLP293(GB-TPL,E
Toshiba's TLP293(GB-TPL,E is a single optocoupler with max. forward current of 0.05A, operating temp. range -55 to 125°C, and isolation voltage of 3750V. Ideal for applications requiring high collector-emitter breakdown voltage, low dark current, and reliable signal transfer ratio of 100%.
LTV-354TA
LTV-354TA by Lite-on Technology is a single optocoupler with max forward current of 0.05A, ideal for AC input-transistor output applications. It offers high isolation voltage of 3750V and fast response time of 18μs, making it suitable for surface mount configurations in various electronic devices.
PS2501L-4-A
PS2501L-4-A by Renesas Electronics is a 4-channel optocoupler with max. forward current of 0.08A, operating temp. range -55 to 100°C, and isolation voltage of 5000V. It's used in applications requiring high-voltage isolation like industrial automation and power supplies due to its transistor output configuration.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
TLP185(GB-TPL,SE(T
Toshiba's TLP185(GB-TPL,SE(T optocoupler features a single transistor output with max. forward current of 0.05A and min. CTR of 100%. Ideal for applications requiring high isolation voltage (3750V) and surface mounting feature in temp range -55 to 110°C.
TLP185(GB-TPR,SE(T
Toshiba's TLP185(GB-TPR,SE(T optocoupler features a single transistor output with max. forward current of 0.05A and min. CTR of 100%. With a max. isolation voltage of 3750V, it is ideal for applications requiring high voltage protection in temperatures ranging from -55°C to 110°C.
TLP187(TPL,E(T
Toshiba's TLP187(TPL,E(T optocoupler features a Darlington output with 0.05A forward current, 300V breakdown voltage, and 3750V isolation. Ideal for applications requiring high current transfer ratio, such as industrial automation systems and power control circuits. Operating temperature ranges from -55°C to 110°C ensure reliability in various environments.
TLP185(GR-TPL,SE(T
TLP185(GR-TPL,SE(T by Toshiba is a single optocoupler transistor output with a max forward current of 0.05 A. It has a min current transfer ratio of 100% and can operate in temperatures ranging from -55 to 110 °C. This surface mount device is commonly used for electrical isolation and signal transmission applications.
TLP185(GR,TPL,SE(T
TLP185(GR,TPL,SE(T by Toshiba is a single optocoupler transistor output with a max forward current of 0.05 A. It operates in temperatures ranging from -55 to 110 °C and has an isolation voltage of 3750 V. It is commonly used for surface mount applications requiring high voltage breakdown and low dark current.
TLP185(SE
Toshiba's TLP185(SE optocoupler features 0.05A max forward current, 80V min collector-emitter breakdown voltage, and 3750V max isolation voltage. Ideal for applications requiring high voltage protection in a compact surface mount configuration.
TLP185(BLL-TL,SE(T
Toshiba's TLP185(BLL-TL optocoupler features a max forward current of 0.05A, min operating temperature of -55°C, and isolation voltage of 3750V. Ideal for applications requiring high current transfer ratio, low dark current, and surface mounting feature.
TLP185(BL-TPL,SE(T
Toshiba's TLP185(BL-TPL,SE(T optocoupler features a max forward current of 0.05A and min operating temp of -55°C, ideal for single configuration applications. With a min current transfer ratio of 200%, it offers high isolation voltage of 3750V, making it suitable for surface mount setups requiring reliable transistor output optocouplers.
TLP184(GB-TPL,SE(T
Toshiba's TLP184(GB-TPL,SE(T) is a single optocoupler with AC input-transistor output. It offers a max forward current of 0.05A and min transfer ratio of 100%. With a max isolation voltage of 3750V, it is ideal for applications requiring high voltage protection in temperatures ranging from -55°C to 110°C.
TLP185(GB-TPL,SE
Toshiba's TLP185(GB-TPL,SE is a single configuration optocoupler transistor output with a max forward current of 0.05 A. It operates in temperatures ranging from -55 to 110 °C and has an isolation voltage of 3750 V. This device is commonly used for surface mount applications requiring high voltage breakdown and low dark current.
TLP185(GB-TPL,E(O
Toshiba's TLP185(GB-TPL,E(O optocoupler features a max forward current of 0.02A, operating temperature range from -55 to 110°C, and isolation voltage up to 3750V. Ideal for applications requiring high collector-emitter breakdown voltage and reliable signal transfer in single configuration setups.
TLP185(Y,SE
Toshiba's TLP185(Y,SE optocoupler features a single transistor output with max forward current of 0.05A and min transfer ratio of 50%. Ideal for applications requiring high isolation voltage (3750V) and surface mounting feature in temperature range -55 to 110°C.
TLP185(GB,E(O
TLP185(GB,E(O by Toshiba is a single optocoupler transistor output with a max forward current of 0.02 A. It operates in temperatures ranging from -55 to 110 °C and has a min collector-emitter breakdown voltage of 80 V. This component is commonly used for electrical isolation and signal transmission applications.
TLP181(GB)
Toshiba's TLP181(GB) is a single optocoupler with max forward current of 0.02A, ideal for applications requiring high isolation voltage up to 3750V. With a min current transfer ratio of 100%, it operates b/w -55°C to 110°C, making it suitable for various surface mount configurations.
TLP181(GB-TPL,F)
Toshiba's TLP181(GB-TPL,F) optocoupler has a max forward current of 0.05A, isolation voltage of 3750V, and min transfer ratio of 100%. Ideal for surface mount applications, it operates b/w -55°C to 110°C, making it suitable for various electronic devices.
TLP187(TPL,E
Toshiba's TLP187(TPL,E is a single optocoupler with built-in diode and resistor. It features a max forward current of 0.05A, Darlington output type, and 3750V isolation voltage. Ideal for applications requiring high collector-emitter breakdown voltage, such as industrial automation systems.
TLP185(GBSE(T
Toshiba's TLP185(GBSE(T optocoupler has a max forward current of 0.02A, operating temp range of -55 to 110°C, and isolation voltage of 3750V. Ideal for applications requiring high current transfer ratio, low dark current, and surface mounting feature.
TLP185(GB,SE(T
Toshiba's TLP185(GB,SE(T optocoupler features a single transistor output with max. forward current of 0.02A and min. CTR of 100%. Ideal for applications requiring high isolation voltage up to 3750V, such as in power supplies and industrial control systems.
TLP185(SE(T
Toshiba's TLP185(SE(T optocoupler features 0.05A max forward current, 50% min current transfer ratio, and 3750V max isolation voltage. Ideal for applications requiring high voltage isolation in a compact surface mount configuration.
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