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
Delta Electronics EFB0424HD is an industrial DC FAN with 8.54 CFM airflow and 32 dB noise level. With approvals from CE, CSA, UL, it operates at 24V voltage and has a life expectancy of 70000 h. Ideal for applications requiring efficient cooling in compact spaces with low noise requirements.
Median Price
$10.321
Lifecycle Status
Suppliers In-Stock
7
In-Stock Inventory
1k+
Mouser Electronics
1+ parts
$11.360
100+ parts
$8.090
1k+ parts
$8.080
10k+ parts
-
DigiKey
$12.070
$8.088
Master Electronics
$7.890
$7.810
$7.770
Verical
$9.282
Nova Conductors
$9.199
Vyrian
IBS Electronics
$11.066
$10.954
$10.897
Continental Prestige Electronics
$9.015
Neutron USA
$117.850
Argo Parts USA
High airflow ensures efficient cooling and ventilation in industrial settings.
Low noise operation makes it suitable for use in quiet environments or where noise levels need to be minimized.
Certifications from reputable organizations ensure the product meets safety and quality standards.
DC fan technology offers energy efficiency and reliable performance.
Wide temperature range allows for operation in various environmental conditions.
Long lifespan ensures durability and reliability over a prolonged period.
Compact design for easy installation and space-saving.
Suitable for applications with limited space available.
High-speed operation for effective air movement and cooling.
Axial construction allows for efficient airflow in a straight line, ideal for ventilation purposes.
Ball bearings offer smooth and reliable operation for extended periods.
High pressure capability for pushing air through ducts or filters efficiently.
Lightweight design for easy handling and mounting.
Common voltage rating for industrial applications, ensuring compatibility with existing systems.
Durable plastic construction that is resistant to corrosion and lightweight.
Compact size for fitting into tight spaces or equipment.
Low current draw for energy efficiency and cost savings.
Efficient power consumption for reduced energy costs during operation.
Allows for operation in high-temperature environments without performance degradation.
Industrial Fans & Blowers EFB0424HD attributes and parameters. Explore more Industrial Fans & Blowers devices from Delta Electronics
Thermal Device Type:
Rated Voltage:
Airflow Volume:
Rated Power:
Rotational Speed:
Noise Level:
Rated Current:
Air Pressure:
Additional Features:
Minimum Operating Temperature:
Maximum Operating Temperature:
Height:
Width:
Length:
Body Weight:
Bearing Style:
Construction:
Body Material:
Standards:
Lifespan:
Delta, founded in 1971, is a global provider of power and thermal management solutions. Its mission statement, "To provide innovative, clean and energy-efficient solutions for a better tomorrow," focuses on addressing key environmental issues such as global climate change. As an energy-saving solutions provider with core competencies in power electronics and automation, Delta's business categories include Power Electronics, Automation, and Infrastructure. Delta offers some of the most energy efficient power products in the industry, including switching power supplies with efficiency over 90%, telecom power with up to 98%, and PV inverters with up to 99.2% efficiency. We have also developed the world‘s first server power supply certified as 80 Plus Titanium. Headquartered in Taiwan, we regularly invest over 8% of our annual sales revenues in R&D and have worldwide R&D facilities in China, Europe, Japan, Singapore, Thailand, and the U.S.
LM555CN
Rca Solid State
Analog Waveform Generation Functions; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
2N2222A
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;
LL4148
Vishay Telefunken
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
Secos
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .6 A; JEDEC-95 Code: TO-92;
BSS138
NXP Semiconductors
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; No. of Terminals: 3; Maximum Drain Current (ID): .2 A; Operating Mode: ENHANCEMENT MODE;
Vishay Sprague
NPN; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; JEDEC-95 Code: TO-18; Maximum Collector-Emitter Voltage: 40 V;
1N4148
Vishay Intertechnology
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
MBR0520L-T1
Won-top Electronics
MBR0520L-T1 by Won-top Electronics is a Schottky rectifier diode with 20V peak reverse voltage and 0.5A output current. It is a single-config, surface-mount diode in a small outline package, suitable for applications requiring high-speed switching and low forward voltage drop. Operating temperature range from -65°C to 125°C makes it ideal for various electronic circuits.
0462-201-16141
TE Connectivity
TE Connectivity's 0462-201-16141 is a CRIMP terminal with MACHINED contact design. It operates b/w -55 to 125 °C, suitable for wire gauges from 20 to 16 AWG. With a rated current of 13A, it is ideal for applications requiring FEMALE ROUND PIN-SOCKET contacts.
M39029/58360
Esterline Technologies
CONNECTOR ACCESSORY; Terminal Type: CRIMP; Removal Tools: M81969/14-01; Associated Military - Specifications: MIL-DTL-38999; IEC Conformity: NO; MIL-Connector Accessory Name: CONTACT;
1N4148WS
Onsemi
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: FLAT; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Rectron
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Collector Current (IC): .8 A; Package Shape: ROUND;
EPCS4SI8N
Altera
CONFIGURATION MEMORY; Temperature Grade: INDUSTRIAL; No. of Terminals: 8; Package Code: SOP; Package Shape: RECTANGULAR; Parallel or Serial: SERIAL;
1N4148WT
1N4148WT by Onsemi is a single rectifier diode with a max output current of 0.3A and forward voltage of 0.72V. It has a small outline package style, matte tin terminal finish, and operates at temperatures up to 150°C. Ideal for applications requiring fast reverse recovery time such as power supplies and signal demodulation circuits.
Diodes Incorporated
FDD5614P
FDD5614P by Onsemi is a P-CHANNEL Power FET with 60V DS Breakdown Voltage, ideal for SWITCHING applications. It features 45A IDM and 0.1 ohm RDS(ON), operating in ENHANCEMENT MODE at up to 175°C. The PLASTIC/EPOXY package with GULL WING terminals ensures efficient heat dissipation and reliable performance.
SS14
Daco Semiconductor
RECTIFIER DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
Toshiba
FDLL4148
Fairchild Semiconductor
2N7002
Comchip Technology
N-CHANNEL; Configuration: SINGLE; Surface Mount: YES; Maximum Power Dissipation (Abs): .2 W; Maximum Operating Temperature: 150 Cel; Operating Mode: ENHANCEMENT MODE;
4414FD
Ebm-papst Mulfingen & Kg
4414FD by Ebm-papst Mulfingen & Kg is an industrial DC FAN with airflow of 100 CFM and noise level of 43 dB. With CSA and UL approvals, it operates at 24 V, weighing 172.37 g. Ideal for applications requiring efficient cooling in compact spaces with low noise requirements.
8212J/2H4P
8212J/2H4P by Ebm-papst Mulfingen & Kg is an industrial DC FAN with 131 CFM airflow and 71 dB noise level. With a rated voltage of 12V and power of 39W, it's ideal for cooling applications in environments ranging from -20°C to 70°C. The TUBEAXIAL construction and BALL bearing type ensure reliable performance in various industrial settings.
9GA0812P1H611
Sanyo Denki America
Sanyo Denki America's 9GA0812P1H611 DC FAN offers 79.4 CFM airflow at 8250 rpm with a noise level of 55 dB. Ideal for industrial applications, it has CUL and TUV approvals, operates at -20 to 70 °C, and boasts a life expectancy of 40000 h.
4184NXHU
DC FAN;
612JH
612JH by Ebm-papst Mulfingen & Kg is an industrial DC FAN with airflow of 41.2 CFM, noise level of 53 dB, and rated voltage of 12 V. Ideal for applications requiring efficient cooling in limited space with CE approval, it operates at speeds up to 27500 rpm and has a long lifespan of 27500 h.
4710KL-04W-B40-E00
Nmb Technologies
The Nmb Technologies 4710KL-04W-B40-E00 is an industrial DC FAN with airflow of 100.6 CFM, noise level of 38.5 dB, and operates at 12V. Ideal for cooling systems in various applications due to its approval by UL, axial construction, and ball bearing type.
109R0824S4011
The Sanyo Denki America 109R0824S4011 DC FAN offers 42.4 CFM airflow at 3400 rpm with a low noise level of 34 dB. Ideal for industrial applications, it operates at temperatures from -10 to 70 °C and has a life expectancy of 60000 h. UL approved, this axial fan is compact at 80x25 mm and weighs only 110 g.
3606
3606 by Ebm-papst Mulfingen & Kg is an AC FAN with airflow of 52.383 CFM and noise level of 42 dB. It is ideal for industrial applications, approved by CSA, UL, VDE, with a rated voltage of 115V.
512FL-547
512FL-547 by Ebm-papst Mulfingen & Kg is an industrial DC FAN with airflow of 6.5 CFM and noise level of 12 dB. It operates at 3000 rpm, weighs 25g, and has a life expectancy of 50000h. Ideal for applications requiring efficient cooling in compact spaces.
F251R-12LLC
Nidec
DC FAN; Body Material: ABS/PBT ALLOY; Length: 25 mm; Width: 10 mm; Pressure: 2.039 mmH2O; Bearing Type: SLEEVE;
RER125-19/18N
RER125-19/18N by Ebm-papst Mulfingen & Kg is a 138mm centrifugal DC FAN with airflow of 64.74 CFM, operating at 2650 rpm. With CE and CSA approvals, it's ideal for industrial applications requiring efficient cooling in temperatures ranging from -30 to 75 °C.
3414N
Papst
DC FAN; Construction: AXIAL; Width: 25 mm; Noise: 32 dB; Voltage (Rated): 24 V; Speed: 2700 rpm;
3414NHH-386
3414NHH-386 by Ebm-papst Mulfingen & Kg is an industrial DC FAN with airflow of 60 CFM and noise level of 39 dB. With a rated voltage of 24 V, it operates at speeds up to 3250 rpm. Ideal for applications requiring efficient cooling in tight spaces with its compact dimensions (92x25 mm).
MF40201V2-1000U-A99
Sunon
Sunon's MF40201V2-1000U-A99 is an industrial DC FAN with 7.7 CFM airflow, 21 dB noise level, and 6000 rpm speed. Ideal for applications requiring low noise levels and efficient cooling in compact spaces.
CFM-A225V-127-405-11
Cui
Cui's CFM-A225V-127-405-11 is an axial DC fan with 93 CFM airflow and 40.5 dB noise level. Ideal for industrial applications, it operates at 12V voltage, 2700 rpm speed, and weighs 162g. With CE and CUL approvals, it offers a long life expectancy of 70000h in temperatures ranging from -10 to 70°C.
8214J/2H4P
The Ebm-papst Mulfingen & Kg 8214J/2H4P is an industrial DC FAN with airflow of 129.49 CFM, noise level of 71 dB, and operates at 24 V. It is suitable for applications requiring high air pressure and low noise levels, such as industrial cooling systems or electronic enclosures.
UF3F3-500
Sunon's UF3F3-500 is a 15x15x3mm DC FAN with 14500 rpm speed, 2.07 mmH2O pressure, and 30.9 dB noise level. Ideal for industrial applications requiring efficient cooling in compact spaces due to its low profile design and high airflow capacity at a rated voltage of 3V.
OD8032-24HB
Knight Electronics
Knight Electronics OD8032-24HB is an industrial DC FAN with 50 CFM airflow and 42 dB noise level. With a rated voltage of 24V, it operates at speeds up to 3800 rpm. Ideal for applications requiring efficient cooling in tight spaces with its compact dimensions of 80.5x32x70.5 mm.
4314T
4314T by Ebm-papst Mulfingen & Kg is an industrial DC FAN with airflow of 100.06 CFM and noise level of 45 dB. With a rated voltage of 24 V, it's ideal for cooling applications in environments with temperatures ranging from -20 to 65 °C.
9GV1212P4G01
The Sanyo Denki America 9GV1212P4G01 DC FAN offers 171 CFM airflow at 58 dB noise level. With a rated voltage of 12V, it operates at speeds up to 5100 rpm and provides a pressure of 22.86 mmH2O. Ideal for industrial applications requiring efficient cooling in compact spaces.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
EFB0512HA
Delta Electronics
Delta Electronics EFB0512HA is an industrial DC FAN with 11.4 CFM airflow, 30 dB noise level, and 5500 rpm speed. Ideal for applications requiring low noise levels and efficient cooling in compact spaces. Features CE, CSA, UL approvals for quality assurance.
EFB0412VHD-SP05
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Length: 40 mm; Height: 20 mm; Weight: 33 g;
EFB0424HD-F00
Delta Electronics' EFB0424HD-F00 is an industrial DC FAN with 8.54 CFM airflow and 32 dB noise level. With approvals from CE, CSA, and UL, it operates at 24V voltage, 7600 rpm speed, and has a life expectancy of 70000 h. Ideal for applications requiring efficient cooling in compact spaces.
EFB0424HD-R00
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Approvals (V): CE;CSA;UL; Maximum Operating Temperature: 70 Cel; Width: 40 mm;
EFB0424VHD-TZW2
Delta Electronics EFB0424VHD-TZW2 is an industrial DC FAN with 10.1 CFM airflow and 36 dB noise level. With approvals from CE, CSA, and UL, it operates at 24 V voltage and has a life expectancy of 70000 h. Ideal for applications requiring efficient cooling in compact spaces due to its small dimensions of 40x40x20 mm.
EFB0512HA-F00
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Noise: 30 dB; Approvals (V): CE;CSA;UL; Bearing Type: BALL;
EFB0512HA-R00
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Width: 10 mm; Power (Rated): 1.2 W; Pressure: 4.24 mmH2O;
EFB0512HA-TP42
Fans/Blowers;
EFB0412VHD
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Width: 20 mm; Maximum Operating Temperature: 70 Cel; Minimum Operating Temperature: -10 Cel;
EFB0412HA
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Pressure: 3.28 mmH2O; Weight: 14.5 g; Width: 40 mm;
EFB0424MD
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Minimum Operating Temperature: -10 Cel; Maximum Operating Temperature: 70 Cel; Bearing Type: BALL;
EFB0424HHD
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Voltage (Rated): 24 V; Life Expectancy: 70000 h; Additional Features: APPROVAL: VDE;
EFB0405LD
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Voltage (Rated): 5 V; Approvals (V): CE;CSA;UL; Speed: 5000 rpm;
EFB0424MD-R00
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Airflow: 7.17 CFM; Life Expectancy: 70000 h; Speed: 6300 rpm;
EFB0424MD-F00
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Additional Features: APPROVAL: VDE; Current (Rated): .08 A; Maximum Operating Temperature: 70 Cel;
EFB0424VHD-F00
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Width: 40 mm; Current (Rated): .14 A; Speed: 9000 rpm;
EFB0424HHD-F00
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Current (Rated): .12 A; Pressure: 9 mmH2O; Weight: 33 g;
EFB0424VHD-R00
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Height: 20 mm; Voltage (Rated): 24 V; Approvals (V): CE;CSA;UL;
EFB0424HHD-R00
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Noise: 34 dB; Minimum Operating Temperature: -10 Cel; Height: 20 mm;
EFB0424LD
DC FAN; Body Material: PLASTIC; Construction: AXIAL; Additional Features: APPROVAL: VDE; Power (Rated): 1.44 W; Life Expectancy: 70000 h;
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