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
TWO TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 3; Package Code: TSSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
Median Price
$0.590
Lifecycle Status
Suppliers In-Stock
13
In-Stock Inventory
1k+
DigiKey
1+ parts
100+ parts
$0.325
1k+ parts
$0.277
10k+ parts
$0.253
Mouser Electronics
$0.324
$0.270
Verical
-
$0.230
NAC Semi
$0.311
Nova Conductors
$0.389
Component Electronics Inc.
$0.920
$0.690
$0.600
Vyrian
Flip Electronics
ACDS - Activité Composants Distribution Service
IBS Electronics
$0.372
R&J Components
Specialty Parts & Electronic Components, Inc. (S.P.E.C.)
Bristol Electronics
Semicontronic
$0.196
$0.191
$0.190
Ampacity Inc.
Component Stockers USA
$0.220
$0.180
Continental Prestige Electronics
$0.381
Argo Parts USA
$0.377
Aztec Data Supply Inc.
$9.088
Corohmni
$14.811
Kepictronics
Metaverse IC Inc.
Perfect Parts
Eastek
GreenTree Electronics
Lixinc
QUARKTWIN TECHNOLOGY LTD
Cyclops Electronics Ltd (Excess)
Assy Fe
Futuretech Components
Netroflash
$0.370
$0.362
Voltage References ZR431LF02TA attributes and parameters. Explore more Voltage References devices from Zetex Plc
Additional Features:
Other IC type:
JESD-30 Code:
JESD-609 Code:
Length:
Moisture Sensitivity Level (MSL):
No. of Functions:
No. of Outputs:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Maximum Output Voltage:
Minimum Output Voltage:
Nominal Output Voltage:
Package Body Material:
Package Code:
Package Shape:
Package Style (Meter):
Peak Reflow Temperature (C):
Qualification:
Maximum Seated Height:
Surface Mount:
Max Voltage Temp Coef:
Temperature Grade:
Terminal Finish:
Terminal Form:
Terminal Pitch:
Terminal Position:
Maximum Time At Peak Reflow Temperature (s):
Trim or Adjustable Output (V):
Width (mm):
ZR431LF02TA Other Function Semiconductors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8542.39.00.01
SB
8542.39.00.00
PCN Assembly/Origin - Mult Dev Fab/BOM Chg 25/Oct/2018
MBR0520LT3G
Onsemi
MBR0520LT3G by Onsemi is a Schottky rectifier diode with a max forward voltage of 0.385V and output current of 0.5A. It operates b/w -65°C to 125°C, ideal for applications requiring high-speed switching and low power loss in compact electronic devices. The package style is small outline, making it suitable for surface mount designs in various electronics.
LL4148
Formosa Microsemi
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
SS14
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
CRG0805F10R
TE Connectivity
TE Connectivity's CRG0805F10R is a 10 ohm fixed resistor with 1% tolerance and 0.125 W power dissipation. It features thick film technology, SMT package style, and matte tin over nickel terminal finish. Ideal for surface mount applications in electronics, offering a temperature coefficient of 200 ppm/°C and operating voltage of 150 V.
DS18B20Z
Dallas Semiconductor
TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL; Mounting Feature: SURFACE MOUNT; No. of Terminals: 8; Package Shape or Style: RECTANGULAR; Housing: PLASTIC; Maximum Accuracy (Cel): 0.50;
Sangdest Microelectronics (Nanjing)
BAV99
First Components International
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 3; Surface Mount: YES; Package Shape: RECTANGULAR;
SMBJ18CA
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;
LM555CM
Renesas Electronics
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
USBLC6-2SC6
STMicroelectronics
USBLC6-2SC6 by STMicroelectronics is a unidirectional transient voltage suppressor diode with a breakdown voltage of 6V. It has a max clamping voltage of 17V and operates in temperatures ranging from -40 to 125°C. This device, with dual terminals and matte tin finish, is ideal for protecting sensitive electronics from voltage spikes in various applications.
2N7002
Itt Semiconductor
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Package Body Material: PLASTIC/EPOXY; Field Effect Transistor Technology: METAL-OXIDE SEMICONDUCTOR; Package Shape: RECTANGULAR;
1N4148WS
Rectron
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: GULL WING; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
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).
Secos
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; Maximum Power Dissipation (Abs): .3 W; Maximum Drain Current (ID): .115 A; Maximum Drain-Source On Resistance: 7.5 ohm;
Rochester Electronics
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148
Sun Wai Electronic
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Terminal Finish: Tin/Lead (Sn/Pb); Maximum Reverse Recovery Time: .004 us; Maximum Repetitive Peak Reverse Voltage: 100 V;
ULN-2803A
Vishay Sprague
Vishay Sprague's ULN-2803A is an 8-bit peripheral driver with a max supply voltage of 3V. Featuring open-collector output characteristics, it offers built-in transient protections and operates b/w -20°C to 85°C. Ideal for applications requiring sink current flow direction, this rectangular-shaped driver has a terminal pitch of 2.54mm and turn-on/off time of 1us.
SN65HVD234DR
SN65HVD234DR by Texas Instruments is an 8-terminal interface circuit with a data rate of 1 Mbps. Operating temperature ranges from -40 to 125 °C, making it ideal for automotive applications. With a supply voltage of 3.3 V and low current draw of 6 mA, it's suitable for network interfaces in compact designs.
General Diode
RECTIFIER DIODE; Surface Mount: NO; Maximum Output Current: .15 A; Maximum Reverse Recovery Time: .004 us; Terminal Finish: Tin/Lead (Sn/Pb); No. of Elements: 1;
Good-ark Electronics
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): 1.8 W; Maximum Collector Current (IC): .8 A;
LM336Z-2.5/LFT3
LM336Z-2.5/LFT3 by Texas Instruments is a voltage reference with a trimmable or adjustable output of 2.39V to 2.59V. It has a max operating temperature of 70°C and is commonly used in applications requiring precise voltage references, such as power supplies and analog circuits.
LM4040AIM3-2.5+T
Maxim Integrated
REF5020AIDGKR
REF5020AIDGKR by Texas Instruments is a voltage reference IC with an output voltage range of 2.045V to 2.05V, suitable for automotive applications. It features a small outline package with dual terminals and a max operating temperature of 125°C, making it ideal for precision voltage regulation in compact electronic designs. With a low voltage tolerance of 0.1%, this device ensures accurate and stable performance in various temperature conditions.
ISL21010CFH330Z-TK
ISL21010CFH330Z-TK by Renesas Electronics is a 3-terminal voltage reference with a nominal output voltage of 3V. It operates in automotive-grade conditions, with a temperature range from -40 to 125°C. This small outline package has a max supply current of 0.1mA and offers a max voltage tolerance of 0.2%.
LT1461ACS8-3.3#PBF
Analog Devices
LT1461ACS8-3.3#PBF by Analog Devices is a 3-terminal voltage reference with a nominal output voltage of 3.3V, suitable for applications requiring precise voltage regulation. It operates b/w -40°C to +70°C, with a max supply voltage of 20V and low temperature coefficient of 3 ppm/°C, making it ideal for commercial-grade electronic devices in various industries.
TL431AIDR2G
TL431AIDR2G by Onsemi is a voltage reference IC with adjustable output (V) from 2.44 to 2.55 V, suitable for industrial applications. It operates b/w -40 to 85°C, has a max output current of 0.1 A, and a supply voltage range of 2.495 to 36 V.
LT1461CIS8-5#PBF
LT1461CIS8-5#PBF by Analog Devices is a voltage reference with 5V output, 7.5V supply, and 12 ppm/°C temp coef. Ideal for industrial applications due to -40 to 85 °C operating range. Its small outline package makes it suitable for surface mount designs in various electronic systems.
LT1461AIS8-3#PBF
Linear Technology
THREE TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
AD780ARZ
AD780ARZ by Analog Devices is a voltage reference IC with trimmable 2.495-2.505V output, suitable for industrial applications. It operates b/w -40 to 85°C, has a supply voltage range of 4-36V, and low temp coefficient of 7 ppm/°C. This small outline package features surface mount design with gull wing terminals.
LM4040AIM3-2.5-T
LM336Z-2.5
LM336Z-2.5 by Texas Instruments is a voltage reference IC with an output range of 2.39V to 2.59V, ideal for precision applications requiring stable voltage levels. This two-terminal device operates b/w 0°C to 70°C with a low temp coefficient of 888 ppm/°C, making it suitable for commercial-grade temperature-sensitive circuits in various electronic systems. The package style is cylindrical with three terminals and wire form, providing flexibility and ease of integration into circuit designs.
TL431AIDR2
TL431AIDR2 by Onsemi is a voltage reference IC with adjustable output (2.44-2.55V) and max output current of 0.1A. Widely used in industrial applications, it operates b/w -40 to 85°C, with a supply voltage range of 2.495-36V for precise voltage regulation in various electronic circuits.
MCP1501T-30E/CHY
Microchip Technology
MCP1501T-30E/CHY by Microchip is a 3-terminal voltage reference with output voltage range of 2.997V to 3.003V, suitable for automotive applications due to AEC-Q100 screening level. It operates in temperature range of -40°C to 125°C, with low supply current of 0.55mA and max output current of 0.03A.
LM4040DIX3-2.5-T
LM4040DIX3-2.5-T by Maxim Integrated is a 3-terminal voltage reference with output voltage of 2.5V, temp coef of 150 ppm/°C, and operating range from -40 to 85 °C. Ideal for industrial applications requiring precise voltage regulation in compact spaces due to its small outline, thin profile package design.
REF3325AIDCKT
REF3325AIDCKT by Texas Instruments is a 3-terminal voltage reference with nominal output of 2.5V and supply range from 2.7V to 5.5V. It operates in automotive temperature grade (-40 to 125°C) with max voltage tolerance of 0.15%. This small outline package, suitable for surface mount applications, features a gull wing terminal form and bipolar technology.
AS431ANTR-G1
Diodes Incorporated
Diodes Incorporated AS431ANTR-G1 is a voltage reference IC with adjustable output (2.475-2.525V) in small outline package for automotive applications. It operates b/w -40 to 125°C, has max output current of 0.1A, and voltage tolerance of ±0.5%.
REF3025AIDBZTG4
REF3025AIDBZTG4 by Texas Instruments is a 3-terminal voltage reference with a nominal output voltage of 2.5V, suitable for automotive applications. It operates within a temperature range of -40 to 125°C and has a max supply voltage of 5.5V, offering a max output voltage tolerance of 0.2%.
ADR130AUJZ-REEL7
ADR130AUJZ-REEL7 by Analog Devices is a 3V voltage reference with a small outline package, suitable for automotive applications. It offers an output voltage range of 0.993V to 1.007V, with a max supply voltage of 18V and temperature coefficient of 50 ppm/°C. Ideal for precision voltage regulation in compact electronic systems.
REF02BU
REF02BU by Texas Instruments is a voltage reference with trimmable output (V) ranging from 4.99 V to 5.01 V, suitable for industrial applications. It operates within a temperature range of -40 to 85 °C and has a max voltage tolerance of 0.13%. This small outline package with gull wing terminals is surface mountable and has a nominal voltage of 15 V.
REF02BU/2K5
REF02BU/2K5 by Texas Instruments is a voltage reference with adjustable output (V) from 4.99 V to 5.01 V, suitable for industrial applications. It has a small outline package style, GULL WING terminal form, and operates in temperatures ranging from -40°C to 85°C. With a max supply voltage of 40 V and low voltage tolerance of 0.13%, it's ideal for precision voltage regulation in various electronic devices.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
ZR431F005TA
Diodes Inc. ZR431F005TA is a 3-terminal voltage reference with adjustable output (2.487-20V). It's a small outline, surface-mount package suitable for industrial applications requiring stable voltage regulation in temperatures ranging from -40 to 85°C. With a max current of 0.1A and low temp coefficient (55 ppm/°C), it ensures precise voltage references in compact designs.
ZR431F01TA
Diodes Inc. ZR431F01TA is a 3-terminal voltage reference with adjustable output from 2.475V to 20V, ideal for industrial applications. With a small outline package and surface-mount capability, it operates b/w -40°C to 85°C, offering a max current of 0.1A and temp coefficient of 55 ppm/°C.
Zetex Plc
THREE TERMINAL VOLTAGE REFERENCE; No. of Terminals: 3; Package Code: TSOP; Package Shape: RECTANGULAR; Surface Mount: YES; Terminal Pitch: .95 mm;
ZR431LF01TA
ZR431LF02TA
ZR431FTA
THREE TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 3; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
THREE TERMINAL VOLTAGE REFERENCE; No. of Terminals: 3; Package Code: TSOP; Package Shape: RECTANGULAR; Surface Mount: YES; Width (mm): 1.3 mm;
ZR431GTA
THREE TERMINAL VOLTAGE REFERENCE; No. of Terminals: 4; Package Code: LSOP; Package Shape: RECTANGULAR; Surface Mount: YES; Width (mm): 3.5 mm;
THREE TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 4; Package Code: SOP; Package Shape: RECTANGULAR; Surface Mount: YES;
ZR431F01-7
ZR431G01TA
ZR431F005
TWO TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 3; Package Code: LSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
ZR431LC01L
TWO TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 3; Package Shape: ROUND; Surface Mount: NO; JESD-30 Code: O-PBCY-T3;
ZR431LC01STOB
TWO TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 3; Package Shape: ROUND; Surface Mount: NO; Maximum Operating Temperature: 85 Cel;
ZR431C01
TWO TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 3; Package Shape: ROUND; Surface Mount: NO; No. of Outputs: 1;
ZR431F005-7
ZR431F-7
Voltage References; Temperature Grade: INDUSTRIAL; No. of Terminals: 3; Surface Mount: YES; Package Equivalence Code: TO-236; Maximum Output Voltage: 20 V;
ZR431G
TWO TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 4; Package Code: LSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
ZR431F01
TWO TERMINAL VOLTAGE REFERENCE; Temperature Grade: INDUSTRIAL; No. of Terminals: 3; Package Code: TSOP; Package Shape: RECTANGULAR; Surface Mount: YES;
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