-
Products
-
Featured Products
-
IT infrastructure
- Hard Drives
- OEM Souring
- CPU
- IT infrastructure Memory
- Spare Parts
- Cables
- Power Supply Units
- Adapters
- Controllers
- Server
- Switch
- Network Cards
- IT infrastructure Accessories
- Storage Machines
- Systemboard
- Sfp
- Harddrives
- Heatsink
- Fan
- Rack Options
- Licenses
- Battery
- IT Racks
- Graphics
- Io Expansions
- Routers
- San
- Access Point
- Blades
- Firewalls
- Expansion Cards
- Software
- Chassis
- Flex System
- Ups
- Wifi Controller
- Bladecenters
- Rack Mounts
- Monitors
- Antenna
- Phones
- Hmc
- HOT - SALES and EOL Components
- Hard To Find
- END - OF - LIFE
- Electronic Wholesale
- 88E series
- Maxim Series
- TPS series
- STM series
- SEE ALL
-
IT infrastructure
-
Integrated Circuits (ICs)
- Integrated Circuits (ICs) Kits
- Memory
- Audio Special Purpose
- Clock/Timing
- Data Acquisition
-
Embedded
- Embedded - CPLDs (Complex Programmable Logic Devices)
- Embedded - DSP (Digital Signal Processors)
- Embedded - FPGAs (Field Programmable Gate Array)
- Embedded - Microcontrollers
- Embedded - Microcontrollers - Application Specific
- Embedded - Microprocessors
- Embedded - PLDs (Programmable Logic Device)
- Embedded - System On Chip (SoC)
- SEE ALL
-
Interface
- Interface - Analog Switches - Special Purpose
- Interface - Analog Switches, Multiplexers, Demultiplexers
- Interface - CODECs
- Interface - Controllers
- Interface - Drivers, Receivers, Transceivers
- Interface - Encoders, Decoders, Converters
- Interface - Filters - Active
- Interface - I/O Expanders
- Interface - Modems - ICs and Modules
- Interface - Sensor and Detector Interfaces
- Interface - Serializers, Deserializers
- Interface - Signal Buffers, Repeaters, Splitters
- Interface - Signal Terminators
- Interface - Specialized
- Interface - Telecom
- Interface - UARTs (Universal Asynchronous Receiver Transmitter)
- Interface - Voice Record and Playback
- Interface - Sensor, Capacitive Touch
- SEE ALL
- Linear
-
Logic
- Logic - Buffers, Drivers, Receivers, Transceivers
- Logic - Comparators
- Logic - Counters, Dividers
- Logic - FIFOs Memory
- Logic - Flip Flops
- Logic - Gates and Inverters
- Logic - Latches
- Logic - Multivibrators
- Logic - Parity Generators and Checkers
- Logic - Shift Registers
- Logic - Signal Switches, Multiplexers, Decoders
- Logic - Specialty Logic
- Logic - Translators, Level Shifters
- Logic - Universal Bus Functions
- Logic - Gates and Inverters - Multi - Function, Configurable
-
PMIC
- PMIC - AC DC Converters, Offline Switchers
- PMIC - Battery Chargers
- PMIC - Battery Management
- PMIC - Current Regulation/Management
- PMIC - Display Drivers
- PMIC - Energy Metering
- PMIC - Full, Half - Bridge Drivers
- PMIC - Gate Drivers
- PMIC - Hot Swap Controllers
- PMIC - Laser Drivers
- PMIC - LED Drivers
- PMIC - Lighting, Ballast Controllers
- PMIC - Motor Drivers, Controllers
- PMIC - OR Controllers, Ideal Diodes
- PMIC - PFC (Power Factor Correction)
- PMIC - Power Distribution Switches, Load Drivers
- PMIC - Power Management - Specialized
- PMIC - Power Over Ethernet (PoE) Controllers
- PMIC - Power Supply Controllers, Monitors
- PMIC - RMS to DC Converters
- PMIC - Supervisors
- PMIC - Thermal Management
- PMIC - V/F and F/V Converters
- PMIC - Voltage Reference
- PMIC - Voltage Regulators - DC DC Switching Controllers
- PMIC - Voltage Regulators - DC DC Switching Regulators
- PMIC - Voltage Regulators - Linear
- PMIC - Voltage Regulators - Linear Regulator Controllers
- PMIC - Voltage Regulators - Linear + Switching
- PMIC - Voltage Regulators - Special Purpose
- PMIC - Voltage Regulators - Linear, Low Drop Out (LDO) Regulators
- SEE ALL
- Specialized ICs
- SEE ALL
-
Discrete Semiconductor Products
- Current Regulation - Diodes, Transistors
- IGBTs - Arrays
- Thyristors—SCRs
- Bridge Rectifiers
- Diacs, Sidacs
- Diodes - Zener - Arrays
- Diodes - Zener - Single
- Diodes, Rectifiers - Arrays
- Diodes, Rectifiers - Single
- FETs - Arrays
- FETs - Single
- IGBTs - Modules
- IGBTs - Single
- JFETs (Junction Field Effect)
- Power Drivers - Modules
- RFFETs
- SCRs - Single - Modules
- SCRs - Single
- Triacs
- Variable Capacitance Diodes (Varicaps, Varactors)
- RF Diodes
-
TRANSISTORS
- Transistors – FETs, MOSFETs – Single
- Transistors - FETs, MOSFETs Arrays
- RF Transistors (BJT)
- Transistors - FETs, MOSFETs - RF
- Transistors - Special Purpose
- Transistors (BJT) - Arrays
- Transistors (BJT) - Arrays, Pre - Biased
- Transistors (BJT) - Single
- Transistors (BJT) - Single, Pre - Biased
- Darlington Transistor
- SEE ALL
- SEE ALL
- Memory Cards, Modules
-
Sensors, Transducers
- Sensor Interface Junction Blocks
- Sensors, Transducers -Magnets Sensor -Matched Magnets
- Sensors, Transducers -Position Sensors- Angle, Linear Position Measuring
- Sensor Cable Assemblies
-
Optical Sensors
- Optical Sensors - Ambient Light, IR, UV Sensors
- Optical Sensors - Photo Detectors - Remote Receiver
- Optical Sensors - Photodiodes
- Optical Sensors - Photointerrupters - Slot Type - Logic Output
- Optical Sensors - Photointerrupters - Slot Type - Transistor Output
- Optical Sensors - Phototransistors
- Optical Sensors - Reflective - Analog Output
- Optical Sensors - Image Sensors, Camera
- SEE ALL
- Motion Sensors
- Temperature Sensors
- Magnetic Sensors
- Capacitive Touch Sensors, Proximity Sensor ICs
- Current Transducers
- Encoders
- Image Sensors, Camera
- IrDA Transceiver Modules
- Moisture Sensors, Humidity
- Position Sensors - Angle, Linear Position Measuring
- Pressure Sensors, Transducers
- Proximity Sensors
- Proximity Sensors - Industrial
- SEE ALL
-
Optoelectronics
- Fiber Optic Transceiver Modules
- Display Bezels, Lenses
- Display Backlights
- LED Emitters - Infrared, UV, Visible
- Ballasts, Inverters
- Optocouplers/Photocouplers
- LEDs - Spacers, Standoffs
- Fiber Optics
- Led Lighting
- Display Modules
- Infrared, UV, Visible Emitters
- LED Indication - Discrete
- LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs
- Optics - LEDs - Light Pipes
- Panel Indicators, Pilot Lights
- LCD, OLED, Graphic
- LED Character and Numeric
- Custom Products
- SEE ALL
- Circuit Protection
-
Connectors, Interconnects
- AC Power Connectors
- Keystone Connector Accessories
- Card Edge Connector Housings
- Card Edge Connector Contacts
- Headers & Wire Housings
- LGH Connectors
- Terminals—Screw Connectors
- USB, DVI, HDMI Connectors —USB, DVI, HDMI Connector Assemblies
- Industrial Controls, Meters——Controllers——Specialty Controllers
- Card Edge Connectors - Edgeboard Connectors
- Circular Connectors
- Memory Connectors - PC Card Sockets
- Modular Connectors
- Pluggable Connectors
- Power Entry Connectors - Inlets, Outlets, Modules
- Rectangular - Board to Board Connectors
- Rectangular Connectors
- Sockets for ICs, Transistors
- Terminal Blocks
- Terminals
- USB, DVI, HDMI Connectors
- Backplane Connectors
- Coaxial Connectors (RF)
- FFC, FPC (FlatFlexible) Connectors
- D - SUB, D - SHAPED connectors
- Terminals - PC Pin Receptacles, Socket Connectors
- Terminals - PC Pin, Single Post Connectors
- Terminals - Quick Connects, Quick Disconnect Connectors
- Terminals - Specialized Connectors
- Terminals - Wire Splice Connectors
- Terminals - Wire to Board Connectors
- FFC, FPC (FlatFlexible) Connector Assemblies
- Heavy Duty Connector Frames
- Heavy Duty Connector Accessories
- Heavy Duty Connector Inserts, Modules
- Modular Connector Jacks
- Modular Connector Jacks With Magnetics
- Modular/Ethernet Connector (RJ45, RJ11) Jacks
- Pluggable Connector Assemblies
- Rectangular - Board to Board Connectors - Arrays, Edge Type, Mezzanine
- Rectangular Connectors - Board In, Direct Wire to Board
- Rectangular Connectors - Free Hanging, Panel Mount
- Rectangular Connectors - Headers, Male Pins
- Rectangular Connectors - Headers, Receptacles, Female Sockets
- Rectangular Connector - Accessories
- Rectangular Connector Contacts
- Rectangular Connector Housings
- Rectangular Connector - Spring Loaded
- Solid State Lighting Connector - Assemblies
- SEE ALL
- Capacitors
- Resistors
- Relays
- Isolators
- Filters
- Power Supplies - Board Mount
-
RF/IF and RFID
- RFID Reader Modules
- RF and Wireless >RF Power Dividers/Splitters
- RF Multiplexers
- Attenuators
- Balun
- RF Amplifiers
- RF Antennas
- RF Demodulators
- RF Detectors
- RF Diplexers
- RF Directional Coupler
- RF Evaluation and Development Kits, Boards
- RF Front End (LNA + PA)
- RF Misc ICs and Modules
- RF Mixers
- RF Modulators
- RF Power Dividers/Splitters
- RF Receivers
- RF Switches
- RF Transceiver ICs
- RF Transceiver Modules
- RF Transmitters
- RFID, RF Access, Monitoring ICs
- SEE ALL
- Crystals, Oscillators and Resonators
-
Uncategorized
- Audio Products
- Cable Assemblies
- Cables, Wires
- Cables, Wires - Management
- Hardware, Fasteners, Accessories
- Inductors, Coils, Chokes
- Industrial Controls, Meters
- Potentiometers, Variable Resistors
-
Programmers, Development Systems
- Evaluation Boards - Embedded - Complex Logic (FPGA, CPLD)
- Evaluation Boards
- Evaluation Boards—RF Evaluation and Development Kits, Boards
- Evaluation Boards - Linear Voltage Regulators
- Evaluation and Demonstration Boards and Kits
- Evaluation Boards - Analog to Digital Converters (ADCs)
- Evaluation Boards - Audio Amplifiers
- Evaluation Boards - DC/DC & AC/DC (Off - Line)SMPS
- Evaluation Boards - Embedded - MCU, DSP
- Evaluation Boards - Expansion Boards
- Evaluation Boards - Op Amps
- Evaluation Boards - Sensors
- Evaluation Boards - RF, RFID, Wireless
- SEE ALL
- Switches
- Transformers
- Tools and Supplies
- Prototyping, Fabrication Products
- SEE ALL
-
Featured Products
-
Manufacturers
- Altera
- Analog Devices Inc.
- Atmel
- Bosch Sensortec
- Cypress Semiconductor Corp
- Diodes Incorporated
- Freescale Semiconductor - NXP
- FTDI, Future Technology Devices International Ltd
- Infineon Technologies
- Linear Technology
- Maxim Integrated
- Microchip Technology
- Micron Technology Inc.
- NXP / Nexperia
- ON Semiconductor
- Silicon Labs
- STMicroelectronics
- Texas Instruments
- Allegro MicroSystems, LLC
- Vishay
- SEE ALL
- My Account
- Supports
- About Us
- Group
- Contact Us
PTC Resettable Fuses from Littelfuse Inc. : 1427 - Page 6
PTC Resettable Fuses, also known as polymeric positive temperature coefficient (PPTC) devices, play a critical role in circuit protection. These fuses allow for automatic reset after an overcurrent event, providing a reusable solution that reduces downtime and maintenance costs.
Commonly used in consumer electronics, automotive, and telecommunications, PTC resettable fuses limit current by increasing resistance when an overcurrent occurs, thereby protecting sensitive components from damage. Once the fault is cleared, the resistance decreases, allowing the circuit to resume normal operation.
Manufacturers like Littelfuse, Bel Fuse, and TE Connectivity offer a range of PTC resettable fuses designed to meet various voltage and current requirements. These versatile and reliable fuses ensure continuous protection and operational efficiency for a multitude of electronic applications.
| Select | Images | Part Number | Mfr | Description | Datasheet | Availability | Price | Qty | RFQ | Rohs | ECAD Model |
|---|---|---|---|---|---|---|---|---|---|---|---|
|
Mfr. Part No. WS Part No. |
PTC Resettable Fuse 2A(hold) 3.5A(trip) 8VDC 100A 0.8W 2s 0.02Ohm SMD Solder Pad 1812 T/R / PTC 2.00A 8VDC RESETTABLE 1812L
|
 Datasheet
|
85,575 pieces In Stock |
MOQ: 995 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC 12V POLYFUSE 1812
|
Datasheet
|
12,000 pieces In Stock |
MOQ: 285 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC RESETTABLE 12V 1.60A 1812L
|
Datasheet
|
12,230 pieces In Stock |
MOQ: 300 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC RESET FUSE 16V 1.5A 1812
|
60,000 pieces In Stock |
MOQ: 495 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
PTC RESET FUSE 12V 1.5A 1812
|
63,462 pieces In Stock |
MOQ: 375 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
PTC RESET 16V SMD 1812 1.25A
|
Datasheet
|
21,142 pieces In Stock |
MOQ: 480 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC 1.1A 6VDC RESETTABLE 1812L
|
Datasheet
|
119,888 pieces In Stock |
MOQ: 1725 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC RESETTABLE 33V 1.10A 1812L
|
Datasheet
|
120,000 pieces In Stock |
MOQ: 415 |
|
|
||||
|
Mfr. Part No. WS Part No. |
FUSE PTC RESET 1.10A 24V 1812 / PTC Resettable Fuse 1.1A(hold) 1.95A(trip) 24VDC 20A 0.8W 0.5s 0.06Ohm SMD Solder Pad 1812 T/R
|
Datasheet
|
15,888 pieces In Stock |
MOQ: 520 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC RESETTABLE 16V 1.10A 1812L
|
Datasheet
|
78,800 pieces In Stock |
MOQ: 700 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC Resettable Fuse 0.75A(hold) 1.5A(trip) 13.2VDC 100A 0.8W 0.2s 0.1Ohm SMD Solder Pad 1812 T/R / PTC .75A 13.2V RESETTABLE 1812L
|
Datasheet
|
36,888 pieces In Stock |
MOQ: 1015 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC RESETTABLE 33V 750MA 1812L
|
Datasheet
|
88,888 pieces In Stock |
MOQ: 485 |
Need to verify |
|
||||
|
Mfr. Part No. WS Part No. |
PTC RESETTABLE 24V 750MA 1812L
|
Datasheet
|
78,340 pieces In Stock |
MOQ: 535 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC Resettable Fuse 0.5A(hold) 1A(trip) 15VDC 100A 0.8W 0.15s 0.15Ohm SMD Solder Pad 1812 T/R / PTC .50A 15VDC RESETTABLE 1812L
|
Datasheet
|
58,888 pieces In Stock |
MOQ: 920 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 500MA 1812
|
Datasheet
|
36,000 pieces In Stock |
MOQ: 185 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 350MA 1812
|
Datasheet
|
7,985 pieces In Stock |
MOQ: 275 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 500MA 1812
|
52 pieces In Stock |
MOQ: 18 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
FUSE PTC RESET .35A 30V 1812
|
Datasheet
|
168,888 pieces In Stock |
MOQ: 400 |
|
|
||||
|
Mfr. Part No. WS Part No. |
PTC RESET FUSE 60V 200MA 1812
|
37,202 pieces In Stock |
MOQ: 230 |
|
|
|||||
|
Mfr. Part No. WS Part No. |
PTC RESETTABLE 60V 140MA 1812L
|
Datasheet
|
30,000 pieces In Stock |
MOQ: 520 |
|
|
