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Optoelectronics
AccessoriesLED Addressable, SpecialtyDisplay Modules - LCD, OLED Character and NumericDisplay Modules - LCD, OLED, GraphicDisplay Modules - LED Character and NumericDisplay Modules - LED Dot Matrix and ClusterDisplay Modules - Vacuum Fluorescent (VFD)Display, Monitor - LCD Driver/ControllerElectroluminescentFiber Optics - AttenuatorsFiber Optics - ReceiversFiber Optics - Switches, Multiplexers, DemultiplexersFiber Optics - Transceiver ModulesFiber Optics - Transmitters - DiscreteFiber Optics - Transmitters - Drive Circuitry IntegratedLED Emitters - Infrared, UV, VisibleLamps - Cold Cathode Fluorescent (CCFL) & UVLamps - Incandescents, NeonsLaser Diodes, Laser ModulesLED Indication - DiscreteLED Lighting - COBs, Engines, Modules, StripsLED Lighting - ColorLED Lighting - WhiteLED Lighting KitsLED Thermal ProductsLEDs - Circuit Board Indicators, Arrays, Light Bars, Bar GraphsLEDs - Spacers, StandoffsOptics - LensesOptics - Light PipesOptics - ReflectorsOptics - Remote Phosphor Light SourcePanel Indicators, Pilot LightsXenon LightingLaser Diodes, Laser Modules - AccessoriesHeNe Laser HeadsHeNe Laser System AccessoriesHeNe Laser SystemsLaser Diodes, Laser Modules - Laser Delivery, Laser FibersLighting FixturesOptomechanicalAll Category -
Capacitors
Aluminum - Polymer CapacitorsAluminum Electrolytic CapacitorsCapacitor Networks, ArraysCeramic CapacitorsElectric Double Layer Capacitors (EDLC), SupercapacitorsFilm CapacitorsMica and PTFE CapacitorsNiobium Oxide CapacitorsSilicon CapacitorsTantalum - Polymer CapacitorsTantalum CapacitorsThin Film CapacitorsTrimmers, Variable Capacitorsled-indication-discreteAll Category -
Resistors
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Circuit Protection
Electrical, Specialty FusesFusesGas Discharge Tube Arresters (GDT)Inrush Current Limiters (ICL)Lighting ProtectionPTC Resettable FusesSurge Suppression ICsThermal Cutoffs (Thermal Fuses and Breakers)TVS - DiodesTVS - Mixed TechnologyTVS - ThyristorsTVS - Varistors, MOVsAll Category -
Discrete Semiconductor Products
Diodes - Bridge RectifiersDiodes - Rectifiers - ArraysDiodes - Rectifiers - SingleDiodes - RFDiodes - Variable Capacitance (Varicaps, Varactors)Diodes - Zener - ArraysDiodes - Zener - SinglePower Driver ModulesThyristors - DIACs, SIDACsThyristors - SCRsThyristors - SCRs - ModulesThyristors - TRIACsTransistors - Bipolar (BJT) - ArraysTransistors - Bipolar (BJT) - Arrays, Pre-BiasedTransistors - Bipolar (BJT) - RFTransistors - Bipolar (BJT) - SingleTransistors - Bipolar (BJT) - Single, Pre-BiasedTransistors - FETs, MOSFETs - ArraysTransistors - FETs, MOSFETs - RFTransistors - FETs, MOSFETs - SingleTransistors - IGBTs - ArraysTransistors - IGBTs - ModulesTransistors - IGBTs - SingleTransistors - JFETsTransistors - Programmable UnijunctionTransistors - Special PurposeCurrent Regulation - Diodes, TransistorsAll Category -
Crystals, Oscillators, Resonators
CrystalsOscillatorsPin Configurable/Selectable OscillatorsProgrammable OscillatorsResonatorsVCOs (Voltage Controlled Oscillators)All Category -
Inductors, Coils, Chokes
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Potentiometers, Variable Resistors
Value Display PotentiometersThumbwheel PotentiometersAccessoriesAdjustable Power ResistorJoystick PotentiometersRotary Potentiometers, RheostatsScale DialsSlide PotentiometersTrimmer PotentiometersAll Category -
Sensors, Transducers
Current SensorsGas SensorsHumidity, Moisture SensorsOptical Sensors - Image Sensors, CameraIrDA Transceiver ModulesLVDT Transducers (Linear Variable Differential Transformer)Magnetic Sensors - Linear, Compass (ICs)Magnetic Sensors - Switches (Solid State)Magnets - Multi PurposeMagnets - Sensor MatchedMotion Sensors - AccelerometersMotion Sensors - GyroscopesMotion Sensors - IMUs (Inertial Measurement Units)Motion Sensors - InclinometersMotion Sensors - OpticalMotion Sensors - Tilt SwitchesMotion Sensors - VibrationMultifunctionOptical Sensors - Ambient Light, IR, UV SensorsOptical Sensors - Distance MeasuringOptical Sensors - Photo Detectors - CdS CellsOptical Sensors - Photo Detectors - Logic OutputOptical Sensors - Photo Detectors - Remote ReceiverOptical Sensors - PhotodiodesOptical Sensors - Photoelectric, IndustrialOptical Sensors - Photointerrupters - Slot Type - Logic OutputOptical Sensors - Photointerrupters - Slot Type - Transistor OutputOptical Sensors - PhototransistorsOptical Sensors - Reflective - Analog OutputOptical Sensors - Reflective - Logic OutputPosition Sensors - Angle, Linear Position MeasuringPressure Sensors, TransducersProximity SensorsProximity/Occupancy Sensors - Finished UnitsSensor Cable - AccessoriesSensor Cable - AssembliesSensor Interface - Junction BlocksShock SensorsSolar CellsSpecialized SensorsStrain GaugesTemperature Sensors - Analog and Digital OutputTemperature Sensors - NTC ThermistorsTemperature Sensors - PTC ThermistorsTemperature Sensors - RTD (Resistance Temperature Detector)Temperature Sensors - Thermocouples, Temperature ProbesTemperature Sensors - Thermostats - MechanicalTemperature Sensors - Thermostats - Solid StateTouch SensorsColor Sensors - IndustrialOptical Sensors - Camera ModulesOptical Sensors - Photonics - Counters, Detectors, SPCM (Single Photon Counting Module)Proximity Sensors - IndustrialTemperature Sensors - Analog and Digital Output - IndustrialTemperature Sensors - Thermostats - Mechanical - IndustrialAll Category -
Isolators
Digital IsolatorsIsolators - Gate DriversOptoisolators - Logic OutputOptoisolators - Transistor, Photovoltaic OutputOptoisolators - Triac, SCR OutputSpecial PurposeAll Category -
Filters
Ceramic FiltersCommon Mode ChokesEMI/RFI Filters (LC, RC Networks)Feed Through CapacitorsFerrite Beads and ChipsHelical FiltersMonolithic CrystalsRF FiltersSAW FiltersAll Category -
Power Supplies - Board Mount
All Category -
Relays
Safety RelaysAccessoriesI/O Relay Module RacksI/O Relay ModulesPower Relays, Over 2 AmpsRelay SocketsSignal Relays, Up to 2 AmpsSolid State RelaysAutomotive RelaysContactors (Electromechanical)Contactors (Solid State)High Frequency (RF) RelaysReed RelaysAll Category
TT Electronics / Welwyn
Welwyn Components, a TT electronics company, designs and manufactures electronic components for customers across defense and aerospace, medical, transportation, energy and industrial electronics markets.
Key applications are circuit protection, power and energy management, medical device equipment and signal conditioning.
Products include: fixed resistors – current sense, high power, precision, fusible, flameproof, high voltage/value, surge/pulse, general purpose and dividers.
Key applications are circuit protection, power and energy management, medical device equipment and signal conditioning.
Products include: fixed resistors – current sense, high power, precision, fusible, flameproof, high voltage/value, surge/pulse, general purpose and dividers.
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Part Number
PCF0805R-150KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 150K OHM 0.1% 1/10W 0805 | Data sheet MNR02MRAPJ560.pdf |
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PCF0805R-1K0BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 1K OHM 0.1% 1/10W 0805 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0805R-33K2BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 33.2KOHM 0.1% 1/10W 0805 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0402R-3K0BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 3K OHM 0.1% 1/16W 0402 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0805PR-24KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 24K OHM 0.1% 1/10W 0805 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0805PR-16KBT1
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ManufacturersTT Electronics/Welwyn | DescriptionRES SMD 16K OHM 0.1% 1/10W 0805 | Data sheet pcf0402pr-5k1bt1.pdf |
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Part Number
PCF0603R-1K0BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 1K OHM 0.1% 1/16W 0603 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0805R-1M0BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 1M OHM 0.1% 1/10W 0805 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
WRM0204C-12KFI
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 12K OHM 1% 1/4W 0204 | Data sheet ERJ-M03NF10MV.pdf |
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Part Number
LR1206-R50FW
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 0.5 OHM 1% 1/2W 1206 | Data sheet lrc-lrf2010lf-01-r010f.pdf |
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Part Number
PCF0805R-4K02BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 4.02KOHM 0.1% 1/10W 0805 | Data sheet pcf0402pr-5k1bt1.pdf |
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Part Number
PCF0603PR-39RBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 39 OHM 0.1% 1/16W 0603 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
LR2512-R033FW
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 0.033 OHM 1% 2W 2512 | Data sheet lrc-lrf2010lf-01-r010f.pdf |
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Part Number
PCF0805R-51K1BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 51.1KOHM 0.1% 1/10W 0805 | Data sheet pcf0402pr-5k1bt1.pdf |
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Part Number
LRMAM2512-R05FT4
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 0.05 OHM 1% 1W 2512 | Data sheet lrmam0805-r01ft5.pdf |
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Part Number
PCF0603R-4K75BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 4.75KOHM 0.1% 1/16W 0603 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF1206-13-20KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 20K OHM 0.1% 1/8W 1206 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0805R-402KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 402K OHM 0.1% 1/10W 0805 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0402R-51KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 51K OHM 0.1% 1/16W 0402 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0603PR-30RBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 30 OHM 0.1% 1/16W 0603 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0805R-68K1BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 68.1KOHM 0.1% 1/10W 0805 | Data sheet pcf0402pr-5k1bt1.pdf |
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Part Number
PCF0805-13-3K0BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 3K OHM 0.1% 1/10W 0805 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
LRMAM2512-R005FT4
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 0.005 OHM 1% 2W 2512 | Data sheet lrmam0805-r01ft5.pdf |
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Part Number
WRM0207C-100KFI
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 100K OHM 1% 0.4W 0207 | Data sheet ERJ-M03NF10MV.pdf |
Quantity
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Part Number
LRMAM2512-R01FT4
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 0.01 OHM 1% 2W 2512 | Data sheet lrmam0805-r01ft5.pdf |
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Part Number
PCF0805R-147KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 147K OHM 0.1% 1/10W 0805 | Data sheet pcf0402pr-5k1bt1.pdf |
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Part Number
PCF0402R-20KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 20K OHM 0.1% 1/16W 0402 | Data sheet pcf0402pr-5k1bt1.pdf |
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rfq
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Part Number
PCF0402R-15KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 15K OHM 0.1% 1/16W 0402 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0603PR-5K1BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 5.1K OHM 0.1% 1/16W 0603 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0805R-6K81BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 6.81KOHM 0.1% 1/10W 0805 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
WRM0204C-430KFI
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 430K OHM 1% 1/4W 0204 | Data sheet ERJ-M03NF10MV.pdf |
Quantity
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Part Number
PCF0805R-3K65BT1
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ManufacturersTT Electronics/Welwyn | DescriptionRES SMD 3.65KOHM 0.1% 1/10W 0805 | Data sheet pcf0402pr-5k1bt1.pdf |
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Part Number
WHS3-150RJA1
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ManufacturersTT Electronics / Welwyn | DescriptionRES 150 OHM 3W 5% AXIAL | Data sheet whs3-68rja1.pdf |
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Part Number
PCF0402R-270RBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 270 OHM 0.1% 1/16W 0402 | Data sheet pcf0402pr-5k1bt1.pdf |
Quantity
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Part Number
WRM0204C-1K0FI
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 1K OHM 1% 1/4W 0204 | Data sheet ERJ-M03NF10MV.pdf |
Quantity
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rfq
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Part Number
LRMAM1206-R01FT5
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 0.01 OHM 1% 1W 1206 | Data sheet lrmam0805-r01ft5.pdf |
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rfq
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Part Number
PCF0805R-22K1BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 22.1KOHM 0.1% 1/10W 0805 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0805-13-10KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 10K OHM 0.1% 1/10W 0805 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0805R-46K4BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 46.4KOHM 0.1% 1/10W 0805 | Data sheet pcf0402pr-5k1bt1.pdf |
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Part Number
PCF0603R-10KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 10K OHM 0.1% 1/16W 0603 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
RC55Y-40K2BI
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ManufacturersTT Electronics / Welwyn | DescriptionRES 40.2K OHM 0.25W 0.1% AXIAL | Data sheet rc55y-34kbi.pdf |
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Part Number
WRM0207C-560RFI
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 560 OHM 1% 0.4W 0207 | Data sheet wrm0207c-100rfi.pdf |
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rfq
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Part Number
PCF0805PR-10KBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 10K OHM 0.1% 1/10W 0805 | Data sheet pcf0402pr-5k1bt1.pdf |
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Part Number
WRM0204C-390KFI
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 390K OHM 1% 1/4W 0204 | Data sheet ERJ-M03NF10MV.pdf |
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rfq
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Part Number
PCF0603-13-4K99BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 4.99KOHM 0.1% 1/16W 0603 | Data sheet MNR02MRAPJ560.pdf |
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Part Number
PCF0805-12-30K1BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 30.1KOHM 0.1% 1/10W 0805 | Data sheet pcf0402pr-5k1bt1.pdf |
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rfq
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Part Number
LR2010-R50FW
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ManufacturersTT Electronics / Welwyn | DescriptionRES 0.5 OHM 1% 1W 2010 | Data sheet lr2512-r50fw.pdf |
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Part Number
PCF0402R-5K6BT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 5.6K OHM 0.1% 1/16W 0402 | Data sheet pcf0402pr-5k1bt1.pdf |
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rfq
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Part Number
WRM0204C-100KFI
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 100K OHM 1% 1/4W 0204 | Data sheet wrm0207c-100rfi.pdf |
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Part Number
PCF0603-13-499RBT1
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ManufacturersTT Electronics / Welwyn | DescriptionRES SMD 499 OHM 0.1% 1/16W 0603 | Data sheet MNR02MRAPJ560.pdf |
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