# Dongguan Ampfort Electronics Co., Ltd. | MCL20 PTC Thermistors,700Vdc PTC Thermistors, SMD PTC PPTC Resettable Fuse,0.75A PPTC Resettable Fuse,PPTC Fuse 33V, MEGA Bolt On Fuse,MIDI Bolt On Fuse,ANM Auto Blade Fuses, ## summary > Manufacturer, Distributor/Wholesaler, Agent, Exporter, Brands: AMPFORT, We are high-tech enterprise specializing in R&D, manufacturing, sales, committed to becoming a comprehensive supplier of circuit protection components, Established in 2014, Employees: 51~200, Annual sales: 1850000-2340000, Export ratio: 50% - 60%, Primary markets: North America, South America, Western Europe, Eastern Europe, Eastern Asia, Southeast Asia, Middle East, Africa, Oceania, Worldwide. ## Company Information * [Company Profile](https://www.thermistor-sensor.com/aboutus.html): Overview, history, teams and core capabilities. * [Factory & Manufacturing](https://www.thermistor-sensor.com/factory.html): Production capacity, OEM/ODM capabilities, and R&D strength. * [Quality Control](https://www.thermistor-sensor.com/quality.html): ISO certifications, quality standards, and compliance. * [Contact Us](https://www.thermistor-sensor.com/contactus.html): Global offices, inquiries, and support channels. ## Product Category * [Power NTC Thermistor](https://www.thermistor-sensor.com/supplier-450750-power-ntc-thermistor): Keywords: negative temperature coefficient thermistor,MF52 negative temperature coefficient thermistor,temperature measurement thermistor. * [PTC Thermistor](https://www.thermistor-sensor.com/supplier-451792-ptc-thermistor): Keywords: 300R ptc positive temperature coefficient,Degaussing ceramic ptc thermistor,180C positive temperature coefficient sensor. * [Thermistor Temperature Sensors](https://www.thermistor-sensor.com/supplier-450751-thermistor-temperature-sensors): Keywords: 10KOhms Thermistor Temperature Sensors,350C Meat Probe ptc temperature sensor,4K OHM 5% Thermistor Temperature Sensors. * [PPTC Resettable Fuse](https://www.thermistor-sensor.com/supplier-4306528-pptc-resettable-fuse): Keywords: 50mA Surface Mount Fuses,Auto Reset Polyswitch Fuse,Surface Mount Self Resetting Fuse. * [Surface Mount Fuses](https://www.thermistor-sensor.com/supplier-450752-surface-mount-fuses): Keywords: SEM 5 amp cartridge fuse,240VAC 5a cartridge fuse,250VAC Surface Mount Fuses. * [Auto Blade Fuses](https://www.thermistor-sensor.com/supplier-451049-auto-blade-fuses): Keywords: Ultra small 32V mini blade fuses,LP MINI 6.73mm mini blade fuses,IEC 15 amp low profile mini fuse. * [PCB Mount Fuse Holder](https://www.thermistor-sensor.com/supplier-450753-pcb-mount-fuse-holder): Keywords: 250V PCB Mount Fuse Holder,BLACK 100mm PCB Mount Fuse Holder,279 through hole fuse holder. * [Glass Fuse Clip](https://www.thermistor-sensor.com/supplier-450754-glass-fuse-clip): Keywords: 10x85mm fuse glass fuse holder clips,35m ohm glass fuse holder clips,ROHS tin plated fuse box clips. * [Metal Oxide Varistor](https://www.thermistor-sensor.com/supplier-450755-metal-oxide-varistor): Keywords: 10D511K 10mm Metal Oxide Varistor,14MM DISC surge suppressor varistor,Radial 85C Metal Oxide Varistor. * [Cylindrical Resistor](https://www.thermistor-sensor.com/supplier-450756-cylindrical-resistor): Keywords: KNP 0.5W Cylindrical Resistor,1000ohm Cylindrical Resistor,Khaki 155C carbon film resistor. * [Thermal Cutoff Fuse](https://www.thermistor-sensor.com/supplier-450757-thermal-cutoff-fuse): Keywords: 150c OV Charger non resettable fuse,16A 230C Thermal Cutoff Fuse,1A 250VAC radial leaded fuse. * [Color Code Inductor](https://www.thermistor-sensor.com/supplier-450758-color-code-inductor): Keywords: 125C SMD common mode inductor,SQ1212 common mode inductor,6uH high power inductor. * [Bimetal Temperature Switch](https://www.thermistor-sensor.com/supplier-450759-bimetal-temperature-switch): Keywords: 10A Bimetal Temperature Switch,16A bi metal temperature switch,250V bimetal thermostat switch. * [PIR Sensor Module](https://www.thermistor-sensor.com/supplier-450761-pir-sensor-module): Keywords: 5MM Radial PIR Sensor Module,Metal Housing PIR Sensor Module,30m microwave motion sensor module. * [Gas Discharge Tube](https://www.thermistor-sensor.com/supplier-450762-gas-discharge-tube): Keywords: 3216 ceramic gas discharge tube,1206 SMD ceramic gas discharge tube,Overvoltage 5DS230L gdt surge protection. * [Fuse Terminal Blocks](https://www.thermistor-sensor.com/supplier-3503250-fuse-terminal-blocks): Keywords: 1.6W Screw Terminal Block,PA66 Housing Screw Terminal Block,5x20mm Fuse Terminal Blocks. * [Ceramic Cartridge Fuse](https://www.thermistor-sensor.com/supplier-3503251-ceramic-cartridge-fuse): Keywords: 12.5A Miniature Cartridge Fuse,2A Ceramic Cartridge Fuse,16A Slow Blow Fuse. * [AC Power Plugs And Sockets](https://www.thermistor-sensor.com/supplier-4306527-ac-power-plugs-and-sockets): Keywords: EU BS1363 UK Power Socket,250V AC Power Plugs And Sockets,50x50mm wall mount socket. * [KSD Bimetal Thermostat](https://www.thermistor-sensor.com/supplier-4704289-ksd-bimetal-thermostat): Keywords: 95C Celsius KSD Bimetal Thermostat,40A KSD Bimetal Thermostat,250V AC KSD Bimetal Thermostat. ## Featured Products * [MCL20 PTC Resettable Fuse Disc PTC Thermistors 120C 100 Ohm 440Vac 700Vdc 20A 210J For Inrush Current Limiting](https://www.thermistor-sensor.com/sale-42729270-mcl20-ptc-resettable-fuse-disc-ptc-thermistors-120c-100-ohm-440vac-700vdc-20a-210j-for-inrush-curren.html): Keywords: MCL20 PTC Thermistors,700Vdc PTC Thermistors. * [High Power DIP Varistor 34S112K 32D 25D 40S 40D 53D 20D 14D 10D 7D 5D 391K 431K 471K 511K 561K 621K For SPD Surge Protec](https://www.thermistor-sensor.com/sale-42714072-high-power-dip-varistor-34s112k-32d-25d-40s-40d-53d-20d-14d-10d-7d-5d-391k-431k-471k-511k-561k-621k-.html): Keywords: High Power DIP Varistor,34S112K DIP Varistor. * [CNAMPFORT Auto Car Bolt Down Fuse Holder Block Box ANS-H2 For ANS AMI MIDI Automotive Fuses](https://www.thermistor-sensor.com/sale-42659060-cnampfort-auto-car-bolt-down-fuse-holder-block-box-ans-h2-for-ans-ami-midi-automotive-fuses.html): Keywords: Car Bolt Down Fuse Holder,MIDI Bolt Down Fuse Holder. * [RMS Series FKS ATO ATC Style Car Automotive Auto Blade Fuse Rated 80V 1A 2A 3A 4A 5A 7.5A 10A 15A 20A 25A 30A 40A 50A](https://www.thermistor-sensor.com/sale-42684375-rms-series-fks-ato-atc-style-car-automotive-auto-blade-fuse-rated-80v-1a-2a-3a-4a-5a-7-5a-10a-15a-20.html): Keywords: Auto Blade Fuse 80V,Auto Blade Fuse 50A. * [G4A00240C Microtemp Thermal Cutoff Fuse 10A 250V 240C For Electric Pressure Cooker](https://www.thermistor-sensor.com/sale-42479005-g4a00240c-microtemp-thermal-cutoff-fuse-10a-250v-240c-for-electric-pressure-cooker.html): Keywords: G4A00240C Thermal Cutoff Fuse,Thermal Cutoff Fuse 240C. * [Adjustable Bulb Capillary Tube Thermostat 290F 16A WTA Bimetal Thermostat Switch WITH 3/8'' NPT THREAD](https://www.thermistor-sensor.com/sale-42500880-adjustable-bulb-capillary-tube-thermostat-290f-16a-wta-bimetal-thermostat-switch-with-3-8-npt-thread.html): Keywords: Adjustable Bulb Capillary Tube Bimetal Thermostat,16A Bimetal Thermostat. * [SMD PTC PPTC Resettable Fuse SMD075L 2920 0.75A 33V 7.5x5.5mm 2K Per Reel](https://www.thermistor-sensor.com/sale-40212267-smd-ptc-pptc-resettable-fuse-smd075l-2920-0-75a-33v-7-5x5-5mm-2k-per-reel.html): Keywords: SMD PTC PPTC Resettable Fuse,0.75A PPTC Resettable Fuse,PPTC Fuse 33V. * [MEGA MIDI Spade Plug In Blade Bolt On Fuse ANS ANM ANL 50-500A](https://www.thermistor-sensor.com/sale-33782370-mega-midi-spade-plug-in-blade-bolt-on-fuse-ans-anm-anl-50-500a.html): Keywords: MEGA Bolt On Fuse,MIDI Bolt On Fuse,ANM Auto Blade Fuses. * [Glass Sealed KTY84 580OHM PTC Thermistor Positive Temperature Coefficient Sensor 180C](https://www.thermistor-sensor.com/quality-13942923-glass-sealed-kty84-580ohm-ptc-thermistor-positive-temperature-coefficient-sensor-180c): Keywords: Glass Sealed PTC Thermistor,KTY84 580OHM PTC Thermistor,180C positive temperature coefficient sensor. * [MZ9 Surface Mount Heater Pellet 420V PTC Thermistor 3.5K Aluminum Heating Element](https://www.thermistor-sensor.com/quality-13961910-mz9-surface-mount-heater-pellet-420v-ptc-thermistor-3-5k-aluminum-heating-element): Keywords: MZ9 Surface Mount PTC Thermistor,Heater Pellet 420V PTC Thermistor,3.5K aluminum heating element. ## Case Studies & Applications * [Reliability Test of NTC temperature sensor](https://www.thermistor-sensor.com/cases/reliability-test-of-ntc-temperature-sensor-4669.html) * [The important application of temperature sensor in the temperature control of electric vehicle charging gun](https://www.thermistor-sensor.com/cases/the-important-application-of-temperature-sensor-in-the-temperature-control-of-electric-vehicle-charg-3933.html) * [About the application of NTC temperature sensor used in automotive BMS battery-AMPFORT Electronics](https://www.thermistor-sensor.com/cases/about-the-application-of-ntc-temperature-sensor-used-in-automotive-bms-battery-ampfort-electronics-3932.html) * [Application of NTC temperature sensor in electric vehicle battery](https://www.thermistor-sensor.com/cases/application-of-ntc-temperature-sensor-in-electric-vehicle-battery-3931.html) * [Application of temperature measurement NTC thermistor in kitchen appliances](https://www.thermistor-sensor.com/cases/application-of-temperature-measurement-ntc-thermistor-in-kitchen-appliances-3930.html) * [Application of Power NTC Thermistor in Inverter](https://www.thermistor-sensor.com/cases/application-of-power-ntc-thermistor-in-inverter-3929.html) * [Application of NTC temperature sensor in new energy vehicle battery pack](https://www.thermistor-sensor.com/cases/application-of-ntc-temperature-sensor-in-new-energy-vehicle-battery-pack-3928.html) * [What role does the thermistor play in a switching power supply?](https://www.thermistor-sensor.com/cases/what-role-does-the-thermistor-play-in-a-switching-power-supply-3927.html) * [What is the function of the thermistor in the charger?](https://www.thermistor-sensor.com/cases/what-is-the-function-of-the-thermistor-in-the-charger-3926.html) * [The role and working principle of thermistor in LED](https://www.thermistor-sensor.com/cases/the-role-and-working-principle-of-thermistor-in-led-3925.html) * [Causes of the thermistor burnout_thermistor's role in the power supply circuit](https://www.thermistor-sensor.com/cases/causes-of-the-thermistor-burnout-thermistor-s-role-in-the-power-supply-circuit-3924.html) * [Application of enameled wire NTC thermistor](https://www.thermistor-sensor.com/cases/application-of-enameled-wire-ntc-thermistor-3719.html) * [Application of NTC temperature sensor in medical equipment](https://www.thermistor-sensor.com/cases/application-of-ntc-temperature-sensor-in-medical-equipment-3300.html) * [NTC temperature sensor application example](https://www.thermistor-sensor.com/cases/ntc-temperature-sensor-application-example-3299.html) * [Air-conditioning varistor application case](https://www.thermistor-sensor.com/cases/air-conditioning-varistor-application-case-3298.html) * [What is the biggest function of the fuse holder?](https://www.thermistor-sensor.com/cases/what-is-the-biggest-function-of-the-fuse-holder-3297.html) * [Talking about the selection of fuse from a practical application case](https://www.thermistor-sensor.com/cases/talking-about-the-selection-of-fuse-from-a-practical-application-case-3296.html) * [Kettle automatic alarm circuit - PTC Thermistor](https://www.thermistor-sensor.com/cases/kettle-automatic-alarm-circuit-ptc-thermistor-3294.html) * [Automatic fan switch circuit -- PTC Thermistor](https://www.thermistor-sensor.com/cases/automatic-fan-switch-circuit-ptc-thermistor-3295.html) * [PTC Thermistor Application Case](https://www.thermistor-sensor.com/cases/ptc-thermistor-application-case-3293.html) * [What is the NTC function of the battery? The working principle of the NTC temperature sensor ?](https://www.thermistor-sensor.com/cases/what-is-the-ntc-function-of-the-battery-the-working-principle-of-the-ntc-temperature-sensor-3173.html) * [How to Select an NTC Thermistor](https://www.thermistor-sensor.com/cases/how-to-select-an-ntc-thermistor-2971.html) ## Search Search endpoint: https://www.thermistor-sensor.com/buy-{keyword}.html Rules: - Convert keywords to lowercase - Replace spaces with "-" - Remove special characters Users can combine keywords for more precise searches. ## News & Blog * [TEMPERATURE VS RESISTANCE TABLE 49K 3% 3950](https://www.thermistor-sensor.com/news/temperature-vs-resistance-table-49k-3-3950-283064.html) * [Marine Rated Battery Fuse (MRBF) Terminal Fuse](https://www.thermistor-sensor.com/news/marine-rated-battery-fuse-mrbf-terminal-fuse-258751.html) * [Marine Rated Battery Fuses - Marine Rated Battery Fuses](https://www.thermistor-sensor.com/news/marine-rated-battery-fuses-marine-rated-battery-fuses-258750.html) * [MRBF Terminal Fuse Block - 30 to 300A](https://www.thermistor-sensor.com/news/mrbf-terminal-fuse-block-30-to-300a-258749.html) * [Dual MRBF Terminal Fuse Block - 30 to 300A](https://www.thermistor-sensor.com/news/dual-mrbf-terminal-fuse-block-30-to-300a-258748.html)