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
TE Connectivity's 770902-3 plug housing has a rated voltage of 600V, suitable for 22-26 AWG wires. With approvals from CSA and UL, it features a brass construction with a max operating temperature of 105°C. Ideal for discrete wire applications, this female contact is crimped and designed for power use.
Median Price
$0.720
Lifecycle Status
Suppliers In-Stock
16
In-Stock Inventory
1k+
DigiKey
1+ parts
100+ parts
$0.516
1k+ parts
$0.439
10k+ parts
$0.382
Mouser Electronics
$0.517
$0.427
$0.401
Newark
$0.742
$0.533
$0.440
$0.414
TE Connectivity
$0.780
$0.500
$0.370
-
Powell Electronics
Master Electronics
$0.389
$0.346
Verical
$0.437
DF Sales Co.
$0.480
Mil-Aero Solutions, Inc.
Electro Sonic
$0.307
EMSNET
VNN
IBS Electronics
$0.546
$0.486
Bristol Electronics
Nova Conductors
Perfect Parts
Argo Parts USA
Continental Prestige Electronics
Netroflash
Having CSA and UL approvals ensures that the product meets safety and quality standards, making it a reliable choice for use in various applications.
The high rated voltage of 600V allows for use in applications requiring a high voltage, providing versatility and compatibility with a wide range of electrical systems.
The low minimum operating temperature of -55°C ensures that the product can withstand harsh and cold environments, making it suitable for use in a variety of conditions.
Being made of brass offers durability and good conductivity, ensuring a reliable and long-lasting connection in electrical applications.
With a high rated current of 11.2A, this product can handle relatively high electrical currents, making it suitable for use in power applications.
Assembly Products 770902-3 attributes and parameters. Explore more Assembly Products devices from TE Connectivity
Additional Features:
Approvals (V):
Assembly Item Name:
Maximum Cable Entry:
Minimum Cable Entry:
Cable Types:
Connector Accessory Type:
Construction:
Contact Gender:
Cross Section Area:
DIN Conformity:
Design:
Finish Thickness:
IEC Conformity:
MIL Conformity:
Material:
Mounting Style:
Maximum Operating Temperature:
Minimum Operating Temperature:
Rated Current:
Rated Voltage:
Rated DC Voltage:
Terminal Type:
Usage:
Wire Gauge (AWG):
Maximum Wire Size:
Minimum Wire Size:
770902-3 Connector Accessories trade compliance attributes, and parameters.
ECCN
EAR99
ECCN Governance
EAR
HTS
8536.90.40.00
SB
TE Connectivity is a global leader in the design and production of innovative connectors and sensors for multiple industries, such as automotive, industrial equipment, data communication systems, aerospace, defense, medical, oil and gas, consumer electronics and energy. It is an American-Swiss domiciled firm that has been providing high-quality products to its customers since 1907.
CEO
Terrence R. Curtin
Executive VP, CFO
Heath A. Mitts
Senior VP, Principal Accounting Officer
Robert J. Ott
2N2222A
Zetex Plc
NPN; Configuration: SINGLE; Surface Mount: NO; Nominal Transition Frequency (fT): 300 MHz; Maximum Power Dissipation (Abs): .5 W; Maximum Collector Current (IC): .8 A;
STM32F405RGT6TR
STMicroelectronics
STM32F405RGT6TR by STMicroelectronics is a 32-bit microcontroller with 64 terminals, operating at a max frequency of 26 MHz. It features DAC and ADC channels, along with DMA support. Ideal for industrial applications requiring low power consumption and high-speed processing capabilities.
LL4148
First Components International
RECTIFIER DIODE; Terminal Position: END; Terminal Form: WRAP AROUND; No. of Terminals: 2; Surface Mount: YES; Package Shape: ROUND;
LD1117S33CTR
STMicroelectronics LD1117S33CTR is a fixed positive single output LDO regulator with a nominal output voltage of 3.3V and max output current of 1.3A. It operates within an input voltage range of 4.75V to 15V, making it suitable for various applications requiring stable voltage regulation in compact designs. The device features low dropout voltage of 1.3V, high temperature operation up to 125°C, and small outline package style for space-constrained PCB layouts.
LM7805CT
Fairchild Semiconductor
FIXED POSITIVE SINGLE OUTPUT STANDARD REGULATOR; No. of Terminals: 3; Package Code: TO-220; Terminal Form: THROUGH-HOLE; Maximum Input Voltage Absolute: 35 V; Maximum Voltage Tolerance: 5 %;
SMBJ18CA
Brightking
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: C BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
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;
Vishay Semiconductors
TRANS VOLTAGE SUPPRESSOR DIODE; Terminal Position: DUAL; Terminal Form: J BEND; No. of Terminals: 2; Surface Mount: YES; Package Shape: RECTANGULAR;
LM555CN
National Semiconductor
PULSE; RECTANGULAR; Temperature Grade: COMMERCIAL; No. of Terminals: 8; Package Code: DIP; Package Shape: RECTANGULAR; Surface Mount: NO;
AH180-WG-7
Diodes Incorporated
AH180-WG-7 by Diodes Inc. is a magnetic field sensor with 1.5mT hysteresis, 0.30V output range, and 9mA max operating current. Ideal for applications requiring non-inverting analog voltage output in a compact rectangular package suitable for surface mount installations.
BAV99
Jiangsu Changjiang Electronics Technology
RECTIFIER DIODE; Surface Mount: YES; Maximum Forward Voltage (VF): .715 V; Maximum Operating Temperature: 150 Cel; Maximum Reverse Recovery Time: .006 us; Maximum Output Current: .2 A;
1N4148
Hitachi
RECTIFIER DIODE; Terminal Position: AXIAL; Terminal Form: WIRE; No. of Terminals: 2; Surface Mount: NO; Package Shape: ROUND;
Eic Semiconductor
M39029/56351
Souriau-sunbank Connection Technologies
Souriau-sunbank's M39029/56351 is a CRIMP contact type backshell accessory compliant with MIL-DTL-38999. It features FEMALE gender contacts, compatible with M39029/58363 mating contacts. The insertion and removal tools required are M81969/14-10 and M22520/2-10 respectively, making it ideal for military connector applications.
M24308/2-1F
Cinch Connectivity Solutions
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Dielectric Withstanding Voltage (V): 1750VAC; No. of Connectors: ONE; Body Depth: .375 inch;
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;
LM317LMX/NOPB
Texas Instruments
LM317LMX/NOPB by Texas Instruments is an adjustable positive single output standard regulator with a max input-output voltage differential of 40V. It operates in temperatures ranging from -40°C to 125°C and has a max output current of 0.1A, making it suitable for various applications requiring precise voltage regulation.
Amphenol
D SUBMINIATURE CONNECTOR; Option: GENERAL PURPOSE; Contact Gender: FEMALE; Body or Shell Style: RECEPTACLE; Body Length: 1.228 inch; No. of Rows Loaded: 2;
OPA2227UA
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.
LM317T
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;
39-00-0040
Molex
Molex 39-00-0040 CONTACT features CRIMP terminals for 24-18 AWG wires, 0.051-0.122 inch cable entry, and BRASS material. Ideal for 5559, 30068, 42475 SERIES HOUSING applications with SQUARE PIN-SOCKET contact design.
90119-0110
The Molex 90119-0110 is a C-GRID IIITM modular crimp housing with finish thickness of 15. It features compression contact style for female gender contacts, suitable for signal design. This assembly product supports wire sizes from 22 AWG to 24 AWG and cable entries ranging from 0.04" to 0.058", ideal for various electronic applications.
C88E000209
Northern Technologies
CONNECTOR ACCESSORY; Usage: CM CONNECTOR; Mounting Option-2: SCREW; Assembly Item Name: COVER ITEM; Material: ZINC ALLOY; Mounting Option-1: 4-40;
1766274-1
TE Connectivity's 1766274-1 is a male power contact with copper alloy material, rated for 200A current. It has a finish thickness of 200µm and operates b/w -55°C to 105°C. Ideal for applications requiring straight mounting and accommodating up to 0 AWG wire sizes.
39-00-0022
Molex 39-00-0022 CONTACT features CRIMP terminals for 24-18 AWG wires, with 0.051-0.126 inch cable entry. Made of PHOSPHOR BRONZE, it has a 0.197" length and SQUARE PIN-SOCKET style. Ideal for FEMALE contacts in Assembly Products applications.
1718250100
CONNECTOR ACCESSORY;
13697415
Aptiv
Aptiv 13697415 CONTACT features CRIMP terminal type for FLRY-B cables. Made of COPPER ALLOY, it has FEMALE contact gender with 0.0748" to 0.0945" cable entry. Ideal for automotive wiring harness assembly due to its precise crimping and compatibility with specified cable types.
0460-215-16141
TE Connectivity's 0460-215-16141 is a male power contact with crimp terminal type, suitable for 14 AWG wire. It has a rated current of 13A and operates b/w -55°C to 125°C. Ideal for applications requiring straight mounting, such as power assemblies.
AW8S
216-208
Wago
TERMINAL BLOCK ACCESSORY; Maximum Wire Size: 10 AWG; MIL Conformity: NO; Assembly Item Name: FERRULE; IEC Conformity: NO; Additional Features: STANDARD: DIN 46228;
43031-0007
Molex 43031-0007 CONTACT features loose contact design, suitable for 24-20 AWG wires. With a 0.073" min cable entry and 0.137" terminal length, it is ideal for use with 43020, 43640, and 44300 assemblies. Made of phosphor bronze, this male contact has a straight mounting style.
929939-3
TE Connectivity 929939-3 is a CRIMP terminal with stamped contact design. It operates b/w -40 to 130°C, suitable for wire sizes ranging from 20 to 17 AWG. With a rated current of 30A, it's commonly used in assembly products for female contacts.
M23053/5-103-9
Brady
ASSEMBLY ITEMS; IEC Conformity: NO; Construction: SINGLE WALL; Jacket Material: CROSSLINKED POLYOLEFIN; DIN Conformity: NO; Assembly Item Name: TAPER SLEEVE;
1-66103-8
TE Connectivity 1-66103-8 is a CRIMP terminal for CPC/G and M SERIES connectors. With a wire gauge of 20 AWG, it supports up to 13A current. Made of brass, it's ideal for power and signal applications in temperatures ranging from -55 to 90°C.
13697409
Aptiv 13697409 CONTACT is a MALE CRIMP terminal for FLRY-B cables. Made of COPPER ALLOY, it has 0.075-0.094 inch cable entry. Ideal for automotive wiring harness assembly due to its precise crimping and durable material.
1-770520-1
TE Connectivity's 1-770520-1, a CRIMP terminal with stamped contact design, supports wire gauge from 24 to 22 AWG. It operates b/w -40°C to 105°C and handles up to 11A current. Ideal for applications requiring precise crimping in tight spaces with cable entries ranging from 0.055" to 0.07".
1605557
Phoenix Contact
3-2198618-7
TE Connectivity's 3-2198618-7 BACKSHELL is an assembly product with a shielding feature. It has shell sizes of 4 and can accommodate wires up to 0 AWG. Made of ABS material, it offers mounting options with screws (#4-40).
SEH-001T-P0.6
J S T Mfg
SEH-001T-P0.6 by J S T Mfg is a CRIMP terminal connector with approvals from CSA, TUV, and UL. Rated for 250V AC/DC, 3A current, it supports wire sizes from 30 to 22 AWG. Ideal for EH SERIES CONNECTOR applications due to its FEMALE contact gender and PHOSPHOR BRONZE material.
WP-4S
TE Connectivity's WP-4S is an Assembly Product for DTP SERIES. With a temp range of -55 to 125°C, it supports 0 AWG wires. Designed for POWER AND SIGNAL applications with POLYBUTYLENE TEREPHTHALATE material.
Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.
1-770902-0
TE
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 11.2 A; MIL Conformity: NO; Rated DC Voltage: 600 V; Material: BRASS;
770904-1
TE Connectivity's 770904-1 is a plug housing with stranded construction and crimp terminal type. It has a rated voltage of 600V and can handle temperatures from -55 to 105 °C. This power contact, made of brass, is suitable for discrete wire applications with cable entry ranging from 0.059 to 0.094 inch.
770988-1
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 11.2 A; Construction: STRANDED; Mounting Style: STRAIGHT; IEC Conformity: NO;
770903-1
TE Connectivity's 770903-1 is a male contact assembly item with approvals from CSA and UL. It features a rated voltage of 600V, construction for stranded wires, and crimp terminal type. Ideal for plug or cap housing applications with wire gauge ranging from 18 AWG to 22 AWG.
770985-1
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 9.5 A; Cable Types: DISCRETE WIRE; Maximum Cable Entry: .069 inch; DIN Conformity: NO;
770902-1
TE Connectivity 770902-1 is a CSA/UL approved plug housing with stranded construction. It has a rated voltage of 600V, suitable for 22-26 AWG wires. Ideal for power applications, featuring female contacts and brass material.
770986-1
TE Connectivity 770986-1 is a female contact plug housing with crimp terminal type. It has a rated voltage of 600V, suitable for discrete wire applications. Constructed with stranded brass material, it can handle up to 9.5A current at temperatures ranging from -55°C to 105°C.
770985-3
TE Connectivity 770985-3 is a male contact assembly product with brass construction. It has a rated voltage of 600V and can accommodate wire sizes from 26 to 22 AWG. Ideal for power applications, it features crimp terminals and operates b/w -55°C to 105°C.
770988-3
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 11.2 A; Mounting Style: STRAIGHT; Minimum Operating Temperature: -55 Cel; Construction: STRANDED;
770902-6
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 11.2 A; Rated DC Voltage: 600 V; Minimum Wire Size: 26 AWG; MIL Conformity: NO;
770902-4
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 11.2 A; Material: PHOSPHOR BRONZE; Maximum Wire Size: 22 AWG; MIL Conformity: NO;
770901-1
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 9.5 A; Approvals (V): CSA; UL; Assembly Item Name: CONTACT; Maximum Operating Temperature: 105 Cel;
770901-3
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 9.5 A; Contact Gender: MALE; Terminal Type: CRIMP; Cross Section Area: .4 mm2;
770986-3
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 9.5 A; Minimum Wire Size: 26 AWG; Maximum Wire Size: 22 AWG; IEC Conformity: NO;
770987-3
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 9.5 A; Maximum Wire Size: 18 AWG; Cable Types: DISCRETE WIRE; Material: BRASS;
770903-3
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 11.2 A; Assembly Item Name: CONTACT; Additional Features: UNDERPLATING THICKNESS (50), TERMINATION: TIN LEAD (100) OVER NICKEL; Wire Gauge (AWG): 18;
770904-3
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 11.2 A; Maximum Cable Entry: .094 inch; Cross Section Area: .9 mm2; Approvals (V): CSA; UL;
770904-4
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 11.2 A; Cross Section Area: .9 mm2; Design: POWER; Maximum Operating Temperature: 105 Cel;
770904-6
CONNECTOR ACCESSORY; Rated Voltage: 600 V; Rated Current: 11.2 A; Cable Types: DISCRETE WIRE; Rated DC Voltage: 600 V; Material: PHOSPHOR BRONZE;
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