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
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; Thermistor Application: OVERCURRENT PROTECTION; Terminal Finish: MATTE TIN;
Median Price
$0.373
Lifecycle Status
Suppliers In-Stock
15
In-Stock Inventory
1k+
Arrow
1+ parts
$0.184
100+ parts
-
1k+ parts
10k+ parts
Farnell
$0.346
$0.248
$0.222
Element14
$0.400
$0.290
$0.260
$0.230
Mouser Electronics
$0.460
$0.321
$0.245
$0.242
Bürklin Elektronik
$0.280
$0.224
DigiKey
$0.500
$0.293
$0.186
Newark
$0.586
$0.361
$0.287
$0.281
Verical
$0.241
Future Electronics
$0.125
$0.120
Chip1Stop
$0.199
$0.192
TME
$0.303
$0.228
$0.189
$0.163
Prism Electronics
IBS Electronics
$0.156
Elcom Components
Cyclops Electronics Ltd
Continental Prestige Electronics
$0.384
$0.261
$0.174
Native Components
$0.825
Northwest PG Solutions
$0.907
Kepictronics
Perfect Parts
Alle Elektronik GmbH
Authorized Procurement Solutions
Glotronic Ltd.
Robosynatics
$0.024
$0.022
Lucentia Tech
ChipstoGo Electronic ltd
Non-linear Resistors 30R090UU attributes and parameters. Explore more Non-linear Resistors devices from Littelfuse
Maximum Circuit DC Voltage:
JESD-609 Code:
Mounting Type:
No. of Terminals:
Maximum Operating Temperature:
Minimum Operating Temperature:
Height (Package):
Length (Package):
Package Style (Meter):
Width (Package):
Packing Method:
Reference Standard:
Resistance:
Resistor Type:
Terminal Finish:
Terminal Placement:
Terminal Shape:
Thermistor Application:
Operating Voltage:
30R090UU Resistors trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8533.40.80.70
SB
8533.40.00.80
PCN Design/Specification - Coating Material Change 14/Jul/2023
Littelfuse is a diversified industrial technology manufacturing company empowering a sustainable, connected, and safer world. Across more than 20 countries, and with approximately 18,000 global associates, we partner with customers to design and deliver innovative, reliable solutions. Serving over 100,000 end customers, our products are found in a variety of industrial, transportation, and electronics end markets—everywhere, every day. Headquartered in Chicago, Illinois, United States, Littelfuse was founded in 1927.
LM317T
Integrated Power Semiconductors
Other Regulators; No. of Terminals: 3; Operating Temperature (TJ-Min): 0 Cel; Terminal Pitch: 2.54 mm; Maximum Load Regulation (%): 1.5 %; Nominal Dropout Voltage-1: 3 V;
SS14
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
1N4148WT
Sangdest Microelectronics (Nanjing)
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
OHN3020U
Optek Technology
MAGNETIC FIELD SENSOR,HALL EFFECT; Mounting Feature: THROUGH HOLE MOUNT; No. of Terminals: 3; Output Type: ANALOG CURRENT; Package Shape or Style: RECTANGULAR; Output Range: 25mA;
EEAGA1H4R7
Panasonic
Panasonic EEAGA1H4R7 is a 4.7uF, 50V Aluminum Electrolytic Capacitor with 0.1 Tan Delta and 0.003mA Leakage Current. Ideal for applications requiring high ripple current handling in temperatures ranging from -55 to 105°C.
DP83848IVVX/NOPB
National Semiconductor
ETHERNET TRANSCEIVER; Temperature Grade: INDUSTRIAL; Terminal Form: GULL WING; No. of Terminals: 48; Package Code: QFP; Package Shape: SQUARE;
RC0402FR-071KL
Yageo
The Yageo RC0402FR-071KL is a fixed resistor with a resistance of 1000 ohm and a tolerance of 1%. It is suitable for surface mount applications and has a max operating temperature of 155 °C.
Comset Semiconductors
Other Regulators; No. of Terminals: 3; Terminal Pitch: 2.54 mm; Minimum Output Voltage-1: 1.2 V; Technology: BIPOLAR; Operating Temperature (TJ-Max): 125 Cel;
OPA2227UA
Texas Instruments
OPA2227UA by Texas Instruments is a dual operational amplifier with low-offset voltage of 200 uV and bias current of 0.01 uA. It operates at temperatures ranging from -40 to 85 °C, making it suitable for industrial applications requiring precise signal amplification. With a unity gain bandwidth of 8000 kHz, this op amp is ideal for high-frequency circuit designs.
STM32H743BIT6
STMicroelectronics
STM32H743BIT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, 208 terminals, and 1085440 bytes of RAM. It features 2 DAC channels, 32 ADC channels, and operates at a max clock frequency of 48 MHz. Ideal for industrial applications requiring high-speed processing and extensive peripheral connectivity.
LM358M
Onsemi
OPERATIONAL AMPLIFIER; Temperature Grade: COMMERCIAL; Terminal Form: GULL WING; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR;
Formosa Microsemi
2N7002
Yangzhou Yangjie Electronics
N-CHANNEL; Configuration: SINGLE WITH BUILT-IN DIODE; Surface Mount: YES; No. of Elements: 1; Terminal Form: GULL WING; Maximum Drain Current (ID): .34 A;
LM7805CT/NOPB
LM7805CT/NOPB 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 package style of flange mount, and offers low line/load regulation making it ideal for various electronic applications requiring stable power supply.
1N4148
Toshiba
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
STM32H750VBT6
STM32H750VBT6 by STMicroelectronics is a 32-bit microcontroller with Cortex-M7 CPU, offering 20 timers and 16 DMA channels. It features 2 DAC and 16 ADC channels, suitable for industrial applications requiring high-speed processing up to 48 MHz. With extensive connectivity options like FDCAN, Ethernet, and USB, it provides versatile solutions in a compact package.
2N2222A
ROHM
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 250 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .6 A;
08055C104KAT2A
KYOCERA AVX
08055C104KAT2A by KYOCERA AVX is a ceramic capacitor with 0.1uF capacitance and 50V rated DC voltage. It has X7R temperature characteristics, -55 to 125 °C operating range, and ±10% tolerance. Ideal for SMT applications requiring compact size and reliable performance in various electronic circuits.
CRG0805F10K
TE Connectivity
TE Connectivity's CRG0805F10K is a 10000 ohm fixed resistor with 1% tolerance. It operates b/w -55 to 155 °C and has a power dissipation of 0.125 W. Ideal for surface mount applications in various electronic circuits due to its compact size and high temperature rating.
LM555CN
Rca Solid State
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
B59607-A120-A62
TDK
B59607-A120-A62 by TDK is a PTC thermistor with 55 ohm resistance and 25% tolerance. It is used for overload protection, featuring dual-ended terminals in a rectangular package. With a rated AC voltage of 30V, it operates b/w -20°C to 85°C, suitable for surface mount applications.
RXEF250K-2
Littelfuse
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Terminal Shape: WIRE; Rated AC Voltage (URac): 72 V; Additional Features: 0.05-0.08 OHMS AT 20 DEG CEL;
NTCALUG01T103G501A
Vishay Intertechnology
Vishay Intertechnology's NTCALUG01T103G501A is a 10000 ohm NTC thermistor with 2 terminals, radial placement, and 2% tolerance. Ideal for temperature sensing applications, it has a thermal sensitivity index of 3984 K and operates b/w -40 to 150 °C. Packaged in chassis mount style, it meets AEC-Q200, CUL, and UL standards.
MICROSMD050F-2
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: .25 ohm; Maximum Operating Temperature: 85 Cel; Width (Package): 2.8 mm; Operating Voltage: 13.2 V;
NTHS0603N02N1002JE
Vishay Dale
NTC THERMISTOR; Mounting Type: SURFACE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .125 W; Maximum Operating Temperature: 125 Cel; Tolerance: 5 %;
NTCS0402E3473FXT
Vishay Bc Components
NTC THERMISTOR; Mounting Type: SURFACE MOUNT; Resistance: 47000 ohm; Rated Power Dissipation (P): .07 W; Maximum Operating Temperature: 150 Cel; Tolerance: 1 %;
TRF250-145U
TE Connectivity's TRF250-145U is a PTC resettable fuse with 2 terminals, rated for 60V AC voltage. Its disk package measures 6mm x 3.8mm x 10mm and operates b/w -40°C to 85°C. Ideal for temperature sensing applications with radial terminal placement.
MF-MSMF250/16X-2
Bourns
Bourns MF-MSMF250/16X-2 is a PTC resettable fuse with resistance of 0.015 ohm, operating voltage of 16V, and dual-ended terminals. Ideal for overcurrent protection in SMT applications, it has a temperature range from -40 to 85 °C and meets AEC-Q200, CUL, TUV, and UL standards.
SMD030F-2018-2
PTC RESETTABLE FUSE; Mounting Type: SURFACE MOUNT; Resistance: .5 ohm; Maximum Operating Temperature: 85 Cel; Operating Voltage: 60 V; Terminal Shape: FLAT;
NCP18XH103F03RB
Murata Manufacturing
Murata Manufacturing's NCP18XH103F03RB is a 10000 ohm NTC thermistor with dual-ended terminals, SMT package style, and 1% tolerance. It is used for temperature sensing applications with an operating voltage of 5V and a thermal sensitivity index of 3380K. The thermistor has a max operating temperature of 125°C and min of -40°C, making it suitable for various temperature monitoring systems.
EZJPZV270RA
The Panasonic EZJPZV270RA is a varistor with 16V operating voltage and -40 to 85°C temperature range. It features dual-ended terminals in a rectangular SMT package for surface mounting applications. With matte tin finish, it offers protection against overvoltage in electronic circuits.
2920L030DR
2920L030DR by Littelfuse is a PTC resettable fuse with resistance of 1.2 ohm and operating voltage of 60V. It is used for overcurrent protection, featuring dual-ended terminals in a rectangular SMT package. This thermistor has dimensions of 7.98mm x 5.44mm x 1.25mm and operates b/w -40°C to 85°C.
MF-SMDF050
The Bourns MF-SMDF050 is a PTC resettable fuse with resistance of 0.2 ohm and rated power dissipation of 0.9 W. It is used for overload protection in applications requiring a max operating temperature of 85°C and rated AC voltage of 60 V. The dual-ended, surface mount package features gold over nickel terminal finish and wraparound terminal shape for reliable performance.
RUEF250
TE Connectivity's RUEF250 is a PTC resettable fuse with resistance of 0.07 ohm and rated power dissipation of 1.2W. It is used for temperature sensing applications, featuring radial terminal placement and rectangular package shape. Operating temperatures range from -40 to 85°C.
RUEF250-2
TE Connectivity's RUEF250-2 is a PTC resettable fuse with resistance of 0.07 ohm and rated AC voltage of 30V. It is used for temperature sensing applications, featuring radial terminal placement in a rectangular package. With a max operating temperature of 85°C and min of -40°C, it has through-hole mounting and rated power dissipation of 1.2W.
0ZCF0075AF2C
Bel Fuse
Bel Fuse's 0ZCF0075AF2C is a PTC resettable fuse with resistance of 0.18 ohm, operating voltage of 60V, and max circuit DC voltage of 60V. It is used for temperature sensing applications with dual-ended terminals in surface mount package style.
NTCS0603E3103HMT
NTC THERMISTOR; Mounting Type: SURFACE MOUNT; Resistance: 10000 ohm; Rated Power Dissipation (P): .125 W; Maximum Operating Temperature: 150 Cel; Tolerance: 3 %;
V275LA20APW
V275LA20APW by Littelfuse is a VARISTOR with 275V max circuit RMS voltage, 75J energy capacity, and -55 to 125 °C operating temp. Ideal for surge protection in various applications due to its METAL OXIDE technology and THROUGH HOLE MOUNT design.
NTCG163JF103FT1S
NTCG163JF103FT1S by TDK is a Non-linear Resistor with 10000 ohm resistance, 1% tolerance, and -40 to 150 °C operating temperature range. It is a surface mount thermistor in a rectangular package suitable for automotive applications meeting AEC-Q200 standards.
PESD0603-240
TE Connectivity's PESD0603-240 is a VARISTOR with 24V operating voltage. It comes in a RECTANGULAR PACKAGE measuring 1.7mm x 0.95mm x 0.55mm, suitable for SURFACE MOUNT applications. With a temperature range of -55°C to 125°C, it offers protection against overvoltage in electronic circuits.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
30R090
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; JESD-609 Code: e3; Terminal Shape: WIRE;
30R090FP
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; JESD-609 Code: e3; Shape (Package): DISK PACKAGE;
30R090FPR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; Terminal Placement: RADIAL; Terminal Finish: Matte Tin (Sn);
30R090HP
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; Terminal Finish: Matte Tin (Sn); Terminal Shape: WIRE;
30R090HPR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; Shape (Package): DISK PACKAGE; No. of Terminals: 2;
30R090MP
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; No. of Terminals: 2; JESD-609 Code: e3;
30R090MPR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel; Packing Method: AMMO PACK;
30R090PP
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; Packing Method: BULK; Manufacturer Series: 30R;
30R090PPR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel; Shape (Package): DISK PACKAGE;
30R090PR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Terminal Finish: Matte Tin (Sn); Additional Features: 0.07OHM MEASURED AT 23 DEG CEL; Packing Method: AMMO PACK;
30R090U
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel; Additional Features: 0.07OHM MEASURED AT 23 DEG CEL; Thermistor Application: TEMPERATURE SENSING;
30R090UP
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; Minimum Operating Temperature: -40 Cel; No. of Terminals: 2;
30R090UPR
PTC RESETTABLE FUSE; Mounting Type: THROUGH HOLE MOUNT; Resistance: .07 ohm; Maximum Operating Temperature: 85 Cel; Length (Package): 7.4 mm; Width (Package): 3 mm;
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