Categories

SwitchesToggle Switches Thumbwheel Switches Tactile Switches Snap Action, Limit Switches Slide Switches Selector Switches Rotary Switches Rocker Switches Pushbutton Switches Magnetic, Reed Switches Keypad Switches Keylock Switches DIP Switches Configurable Switch Components - Body Accessories - Caps
Sensors, TransducersTemperature Sensors - Thermostats - Solid State Temperature Sensors - Thermostats - Mechanical Temperature Sensors - PTC Thermistors Temperature Sensors - NTC Thermistors Temperature Sensors - Analog and Digital Output Sensor Interface - Junction Blocks Proximity Sensors Pressure Sensors, Transducers Position Sensors - Angle, Linear Position Measuring Optical Sensors - Photointerrupters - Slot Type - Transistor Output Optical Sensors - Photointerrupters - Slot Type - Logic Output Optical Sensors - Photoelectric, Industrial Optical Sensors - Photodiodes Optical Sensors - Photo Detectors - Remote Receiver Motion Sensors - Accelerometers Magnetic Sensors - Switches (Solid State)Magnetic Sensors - Position, Proximity, Speed (Modules)Image Sensors, Camera Float, Level Sensors Encoders Current Transducers
RF/IF and RFIDRFI and EMI - Shielding and Absorbing Materials RFI and EMI - Contacts, Fingerstock and Gaskets RF Transceiver Modules RF Transceiver ICs RF Switches RF Receivers RF Receiver, Transmitter, and Transceiver Finished Units RF Mixers RF Misc ICs and Modules RF Evaluation and Development Kits, Boards RF Directional Coupler RF Antennas RF Amplifiers Attenuators
RelaysSolid State Relays Signal Relays, Up to 2 Amps Relay Sockets Power Relays, Over 2 Amps I/O Relay Modules - Input I/O Relay Module Racks
Power Supplies - External/Internal (Off-Board)LED Drivers DC DC Converters AC DC Desktop, Wall Adapters AC DC Converters AC AC Wall Adapters
Power Supplies - Board MountLED Drivers DC DC Converters Accessories AC DC Converters
OptoelectronicsPanel Indicators, Pilot Lights Optics - Light Pipes Optics - Lenses LEDs - Spacers, Standoffs LEDs - Lamp Replacements LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs LED Lighting - White LED Lighting - Color LED Lighting - COBs, Engines, Modules LED Indication - Discrete Lamps - Incandescents, Neons Infrared, UV, Visible Emitters Fiber Optics - Transceiver Modules Display Modules - LED Character and Numeric Display Modules - LCD, OLED, Graphic Display Modules - LCD, OLED Character and Numeric
IsolatorsOptoisolators - Triac, SCR Output Optoisolators - Transistor, Photovoltaic Output Optoisolators - Logic Output Isolators - Gate Drivers Digital Isolators
Integrated Circuits (ICs)PMIC - Voltage Regulators - Linear PMIC - Voltage Regulators - DC DC Switching Regulators PMIC - Voltage Regulators - DC DC Switching Controllers PMIC - Voltage Reference PMIC - Supervisors Memory Logic - Gates and Inverters Logic - Buffers, Drivers, Receivers, Transceivers Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps Interface - Drivers, Receivers, Transceivers Interface - Analog Switches, Multiplexers, Demultiplexers Embedded - System On Chip (SoC)Embedded - Microprocessors Embedded - Microcontrollers - Application Specific Embedded - Microcontrollers Embedded - FPGAs (Field Programmable Gate Array)Embedded - DSP (Digital Signal Processors)Embedded - CPLDs (Complex Programmable Logic Devices)Data Acquisition - Digital to Analog Converters (DAC)Data Acquisition - Analog to Digital Converters (ADC)Clock/Timing - Programmable Timers and Oscillators Clock/Timing - Clock Generators, PLLs, Frequency Synthesizers
Discrete Semiconductor ProductsTransistors - JFETs Transistors - IGBTs - Single Transistors - IGBTs - Modules Transistors - FETs, MOSFETs - Single Transistors - FETs, MOSFETs - RF Transistors - FETs, MOSFETs - Arrays Transistors - Bipolar (BJT) - Single, Pre-Biased Transistors - Bipolar (BJT) - Single Transistors - Bipolar (BJT) - RF Transistors - Bipolar (BJT) - Arrays, Pre-Biased Transistors - Bipolar (BJT) - Arrays Thyristors - TRIACs Thyristors - SCRs - Modules Thyristors - SCRs Power Driver Modules Diodes - Zener - Single Diodes - Zener - Arrays Diodes - RF Diodes - Rectifiers - Single Diodes - Rectifiers - Arrays Diodes - Bridge Rectifiers
Connectors, InterconnectsTerminals - Ring Connectors Terminals - Quick Connects, Quick Disconnect Connectors Terminal Blocks - Wire to Board Terminal Blocks - Headers, Plugs and Sockets Terminal Blocks - Din Rail, Channel Terminal Blocks - Barrier Blocks Sockets for ICs, Transistors Rectangular Connectors - Spring Loaded Rectangular Connectors - Housings Rectangular Connectors - Headers, Receptacles, Female Sockets Rectangular Connectors - Headers, Male Pins Rectangular Connectors - Free Hanging, Panel Mount Rectangular Connectors - Contacts Rectangular - Board to Board Connectors - Headers, Receptacles, Female Sockets Power Entry Connectors - Inlets, Outlets, Modules Modular Connectors - Jacks Heavy Duty Connectors - Housings, Hoods, Bases FFC, FPC (Flat Flexible) Connectors D-Sub Connectors Coaxial Connectors (RF)Circular Connectors - Housings Circular Connectors - Backshells and Cable Clamps Circular Connectors - Accessories Circular Connectors Card Edge Connectors - Edgeboard Connectors Backplane Connectors - Specialized Backplane Connectors - Hard Metric, Standard Backplane Connectors - DIN 41612
Circuit ProtectionTVS - Varistors, MOVs TVS - Thyristors TVS - Mixed Technology TVS - Diodes Surge Suppression ICs PTC Resettable Fuses Lighting Protection Inrush Current Limiters (ICL)Gas Discharge Tube Arresters (GDT)Fuses Fuseholders Electrical, Specialty Fuses Disconnect Switch Components Circuit Breakers
CapacitorsTrimmers, Variable Capacitors Thin Film Capacitors Tantalum Capacitors Tantalum - Polymer Capacitors Mica and PTFE Capacitors Film Capacitors Electric Double Layer Capacitors (EDLC), Supercapacitors Ceramic Capacitors Capacitor Networks, Arrays Aluminum - Polymer Capacitors

RFQs/Order | Contact Us |

Please enter a full or partial manufacturer part number with a minimum of 3 letters or numbers

RFQs / Order

Part No.	Manufacturer	Qty

Home > Products > Circuit Protection > PTC Resettable Fuses > LR4-450F

LR4-450F

OMRON AUTOMATION & SAFETYImages are for reference only.
See Product Specifications for product details.
Buy LR4-450F with confidence from Components-World.HK, 1 Year Warranty

Dowload LR4-450F Details in PDF

Request a Quote

Part Number	LR4-450F
Manufacturer	Hamlin / Littelfuse
Description	PTC RESET FUSE 20V 4.5A STRAP
Lead Free Status / RoHS Status	Lead free / RoHS Compliant

~~In Stock~~ 115730 pcs
Reference Price (In US Dollars)	1000 pcs
Reference Price (In US Dollars)	$0.179

Product parameter
Data sheet

Product parameter

Part Number	LR4-450F	Manufacturer	Hamlin / Littelfuse
Description	PTC RESET FUSE 20V 4.5A STRAP	Lead Free Status / RoHS Status	Lead free / RoHS Compliant
Quantity Available	115730 pcs	Data sheet	LR4-450F Spec PolySwitch, Strap Battery Catalog
Category	Circuit Protection	Voltage - Max	20V
Type	Polymeric	Time to Trip	5s
Thickness (Max)	0.039" (1.00mm)	Size / Dimension	0.984" L x 0.413" W (25.00mm x 10.50mm)
Series	PolySwitch®, LR4	Resistance - Post Trip (R1) (Max)	28 mOhms
Resistance - Initial (Ri) (Min)	11 mOhms	Ratings	-
Packaging	Bulk	Package / Case	Strap
Other Names	177226-000 RF1542-000 RF1542-000-ND RF1542000	Operating Temperature	-40°C ~ 85°C
Mounting Type	User Defined	Moisture Sensitivity Level (MSL)	1 (Unlimited)
Manufacturer Standard Lead Time	9 Weeks	Lead Spacing	-
Lead Free Status / RoHS Status	Lead free / RoHS Compliant	Height - Seated (Max)	-
Detailed Description	Polymeric PTC Resettable Fuse 20V 4.5A Ih User Defined Strap	Current - Trip (It)	8.9A
Current - Max	100A	Current - Hold (Ih) (Max)	4.5A
Approvals	CSA, TUV, UL

Related products
Related news

Related products

Part#:~~LR4-250UF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 15V 2.5A STRAP~~
In Stock:~~4311~~

LR4-190XF Image

Part#:~~LR4-190XF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 15V 1.9A STRAP~~
In Stock:~~201626~~

~~$0.105/pcs~~RFQ

Part#:~~LR4-73XF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 730MA STRAP~~
In Stock:~~113095~~

~~$0.206/pcs~~RFQ

LR4-600XF Image

Part#:~~LR4-600XF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 20V 6A STRAP~~
In Stock:~~118326~~

~~$0.188/pcs~~RFQ

LR4-190SLF Image

Part#:~~LR4-190SLF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 15V 1.9A STRAP~~
In Stock:~~230147~~

~~$0.104/pcs~~RFQ

LR4-550RAF Image

Part#:~~LR4-550RAF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 20V 5.5A STRAP~~
In Stock:~~131626~~

~~$0.169/pcs~~RFQ

Part#:~~LR4-600F~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 20V 6A STRAP~~
In Stock:~~117167~~

~~$0.176/pcs~~RFQ

Part#:~~LR4-260F~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 15V 2.6A STRAP~~
In Stock:~~160674~~

~~$0.118/pcs~~RFQ

Part#:~~LR4-560F~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 20V 5.6A STRAP~~
In Stock:~~4375~~

Part#:~~LR4-730F~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 20V 7.3A STRAP~~
In Stock:~~100488~~

~~$0.195/pcs~~RFQ

Part#:~~LR4-550F~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 20V 5.5A STRAP~~
In Stock:~~118519~~

~~$0.162/pcs~~RFQ

LR4-190LF Image

Part#:~~LR4-190LF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 15V 1.9A STRAP~~
In Stock:~~5679~~

Part#:~~LR4-380LF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 20V 3.8A STRAP~~
In Stock:~~5015~~

Part#:~~LR4-380XF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 15V 3.8A STRAP~~
In Stock:~~130649~~

~~$0.167/pcs~~RFQ

LR4-260SF Image

Part#:~~LR4-260SF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 15V 2.6A STRAP~~
In Stock:~~188302~~

~~$0.115/pcs~~RFQ

Part#:~~LR4-380F~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 15V 3.8A STRAP~~
In Stock:~~169133~~

~~$0.135/pcs~~RFQ

Part#:~~LR4-380SSF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 15V 3.8A STRAP~~
In Stock:~~4276~~

Part#:~~LR4-900F~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 20V 9A STRAP~~
In Stock:~~89834~~

~~$0.223/pcs~~RFQ

Part#:~~LR4-600-C100F~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 20V 6A STRAP~~
In Stock:~~4063~~

Part#:~~LR4-700XHF~~
Manufacturers:~~Hamlin / Littelfuse~~
Description:~~PTC RESET FUSE 20V 7A STRAP~~
In Stock:~~4084~~

Related news for LR4-450F

Related keywords for LR4-450F

~~Hamlin / Littelfuse LR4-450FLR4-450F distributorLR4-450F supplierLR4-450F priceLR4-450F download datasheetLR4-450F datasheetLR4-450F stockbuy LR4-450FHamlin / Littelfuse LR4-450FLittelfuse Inc. LR4-450FLittelfuse LR4-450FTeccor / Littelfuse LR4-450FTE Connectivity Raychem Circuit Protection / Litte LR4-450FWickmann / Littelfuse LR4-450F~~

2 Million Items Available Stock
24/7 Service Available
Authorised Distributor
100% New & Original Guaranteed
Free Shipping Available