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PPTC Thermistor is a Polymer-Positive-Temperature-Coefficient Thermistor Device. It is a device that can be used to protect electrical circuits from over-currents. The PPTC Thermistor Device has a maximum size of 5.1mm and has a product name of PTC Resettable PPTC 250V 050-5A. This device has a trip current of 0.1A and a maximum impulse voltage of 250V. It is rated for a maximum voltage of 250V. It has excellent electrical characteristics and is a reliable and cost-effective solution for protecting electrical circuits.
UL ROHS Standard Passive Components Electronics Poly Switch 0.02A-2A PPTC PTC 250V Replace Lttelfuse Resettable Fus
250V Resettable PTC Fuse
◆ Current: 0.02A-2A
◆ Voltage: 250V
◆Certificate: RoHS, Reach, HF compliance
Feature Of 250V Resettable PTC Fuse
◆ RoHS Compliant & Lead-free
◆ Radial leaded Devices
◆ Cured,flame retardant epoxy polymer insulating material meets UL94V-0 requirements
◆ Bulk packaging,or tape and reel available on most models
Applications Of Replace Littelfuse Resettable Fuse
Almost anywhere there is a low voltage power supply, up to DC250V and a load to be protected, including:
◆ Security and fire alarm systems
model | Maintain electricity flow | Tripping electricity flow | Maximum impact voltage | Maximum electricity flow | consume power |
Maximum current trip time |
Resistance range | |||
| I hold | I trip | Vmax | Imax | Pd | electric current | time | Rimin | Rimax | R1max | |
| (A) | (A) | (Vrms) | (A) | (W) | (A) | (Sec) | (W) | (W) | (W) | |
| 250R050 | 0.050 | 0.100 | 250 | 3.0 | 1.0 | 0.35 | 4.00 | 33.0 | 60.0 | 90.0 |
| 250R060 | 0.060 | 0.120 | 250 | 3.0 | 1.0 | 0.35 | 4.00 | 22.0 | 32.0 | 40.0 |
| 250R080 | 0.080 | 0.160 | 250 | 3.0 | 1.00 | 0.40 | 3.00 | 14.0 | 22.0 | 28.0 |
| 250R090 | 0.090 | 0.018 | 250 | 3.0 | 1.00 | 0.35 | 4.00 | 10.0 | 20.0 | 26.0 |
| 250R110 | 0.110 | 0.220 | 250 | 3.0 | 1.00 | 1.00 | 2.00 | 7.0 | 11.0 | 15.0 |
| 250R120 | 0.120 | 0.240 | 250 | 3.0 | 1.00 | 0.60 | 0.75 | 8.0 | 12.0 | 15.0 |
| 250R145 | 0.145 | 0.290 | 250 | 3.0 | 1.00 | 1.00 | 2.50 | 3.0 | 6.5 | 10.0 |
| 250R180 | 0.180 | 0.360 | 250 | 3.0 | 1.00 | 1.50 | 10.0 | 0.8 | 2.0 | 2.50 |
| 250R200 | 0.200 | 0.400 | 250 | 3.0 | 1.00 | 1.50 | 10.0 | 1.5 | 3.2 | 4.50 |
| 250R300 | 0.300 | 0.600 | 250 | 3.0 | 1.00 | 1.50 | 10.0 | 1.0 | 2.4 | 3.60 |
| 250R400 | 0.400 | 0.800 | 250 | 3.0 | 3.00 | 2.00 | 10.0 | 0.75 | 1.10 | 1.40 |
| 250R500 | 0.500 | 1.000 | 250 | 3.0 | 3.00 | 2.50 | 10.0 | 0.45 | 0.80 | 1.20 |
| 250R600 | 0.600 | 1.200 | 250 | 3.0 | 3.00 | 3.00 | 10.0 | 0.50 | 0.75 | 1.00 |
| 250R800 | 0.800 | 1.600 | 250 | 3.0 | 3.50 | 4.00 | 8.0 | 0.45 | 0.65 | 1.00 |
| 250R1000 | 1.000 | 2.000 | 250 | 3.0 | 4.00 | 5.00 | 10.0 | 0.28 | 0.51 | 0.70 |
| 250R1200 | 1.200 | 2.400 | 250 | 3.0 | 5.00 | 6.00 | 10.0 | 0.25 | 0.30 | 0.50 |
I hold = the maximum current when the product does not move in the static air environment at 25℃. I trip = the minimum operating current in the static air environment at 25℃.
V max = the maximum voltage that the component can withstand under the rated current. I max = the maximum current that the component can withstand under the rated voltage.
Pd = the power consumption of the product in the action state in the static air environment at 25℃. Rimin/max = the initial resistance at 25℃ (before welding).
R1max = the maximum resistance after welding for one hour at 25℃.
Caution: Operation beyond the specified rating may result in damage and arc and flame.
◆ Analog and digital line cards
◆ Modems and DSL
Introduction Of 250V Resettable PTC Fuse Series
250 series resettable fuse (PPTC) for program-controlled switches, patch panels designed and manufactured over protection device, but can also used in transformers, security equipment, lamps, ballasts, meters, telephone lines and other fields.
Details Of Poly Switch 250V Resettable PTC Fuse
Lead-free and halogen-free environmental protection products conform to ROHS(2011/65/EU) HF(EN14582) detection standard. Application scope: communication products and data communication equipment.
Product features: low voltage, low current, low resistance, short trip time, working current: 0.05A~1.20A
Maximum impulse voltage: 250.0VAC
Working environment temperature: -40℃~85℃ Safety certification: UL pending.
Characteristic diagram of relationship between ambient
Holding current (I hold) values of PPTC at different ambient temperatures.
| temperature | -40°C | -20°C | 0°C | 25°C | 40°C | 50°C | 60°C | 70°C | 85°C |
| Decreasing percentage | 148% | 133% | 114% | 100% | 92% | 73% | 64% | 52% | 40% |
(mm.)
model | A | B | C | D | E | pin |
graph | |
| Max. | Max. | Typ. | Min. | Max. | Line warp | wire rod | ||
| 250R050 | 5.8 | 9.9 | 3.8 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | Figure 2 |
| 250R060 | 5.8 | 9.9 | 3.8 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | Figure 2 |
| 250R080 | 5.8 | 9.9 | 3.8 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | Figure 2 |
| 250R090 | 5.8 | 9.9 | 3.8 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | Figure 2 |
| 250R110 | 6.5 | 11.0 | 3.8 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | figure 1 |
| 250R120 | 7.1 | 13.0 | 4.2 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | figure 1 |
| 250R145 | 7.1 | 11.0 | 3.8 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | figure 1 |
| 250R180 | 9.0 | 12.6 | 3.5 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | figure 1 |
| 250R200 | 9.0 | 14.6 | 3.5 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | figure 1 |
| 250R300 | 9.0 | 12.6 | 3.5 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | Figure 2 |
| 250R400 | 9.5 | 15.2 | 3.5 | 4.7 | 5.1 | 0.60 | Tin - caoted copper - clad steel wire | Figure 3 |
| 250R500 | 11.0 | 15.8 | 3.5 | 4.7 | 5.1 | 0.80 | Tin - caoted copper - clad steel wire | Figure 4 |
| 250R600 | 11.0 | 15.8 | 3.5 | 4.7 | 5.1 | 0.80 | Tin - caoted copper - clad steel wire | Figure 4 |
| 250R800 | 11.0 | 15.8 | 3.5 | 4.7 | 5.1 | 0.80 | Tin - caoted copper - clad steel wire | Figure 4 |
| 250R1000 | 14.0 | 19.1 | 3.5 | 4.7 | 5.1 | 0.80 | Tin - caoted copper - clad steel wire | Figure 4 |
| 250R1200 | 16.7 | 20.5 | 3.5 | 4.7 | 5.1 | 0.80 | Tin - caoted copper - clad steel wire | Figure 4 |
Solderability of lead: MIL-STD-202, method 208E.
Product: The product label is marked with logo, rated current, rated voltage and date code.
When it comes to Polymer-Positive-Temperature-Coefficient Thermistor (PPTC) and Resettable Fuse solutions, the LINKUN brand is well-known for its reliable and efficient products. The PPTC resettable fuse 250V 1A is a product that is manufactured in Dongguan, Guangdong, China. This thermistor has a Max Size of 5.1mm, a Max Voltage of 60V, a Max Impulse Voltage of 250V, and a Trip Current of 0.1A. It is ideal for a wide range of applications, from consumer electronics to automotive circuits.
The LINKUN PPTC resettable fuse 250V 1A is ideal for protecting components from over-current and over-voltage. It can be used in a variety of applications, including medical equipment, industrial electronics, consumer electronics, automotive circuits, and many more. The thermistor is designed to trip at a specific current and voltage, and reset itself after the over-current or over-voltage is removed. This makes it an ideal solution for protecting delicate components from damage.
The LINKUN PPTC resettable fuse 250V 1A is a reliable and efficient product that can provide protection from over-current and over-voltage. It provides an ideal solution for a wide range of applications, and its small size makes it easy to integrate into any system. The thermistor is designed to trip at a specific current and voltage, and reset itself after the over-current or over-voltage is removed. This makes it an ideal solution for protecting delicate components from damage.
LINKUN offers a variety of customized PPTC Thermistor solutions to meet your needs. Our PPTC Thermistor products come with our Brand Name, Model Number PPTC resettable fuse 250V 1A, and are made in Dongguan, Guangdong, China. They provide a maximum impulse voltage of 250V and a maximum current of 3A. The hold current of our PPTC Thermistor device is 0.05A, and it is a Polymer-Positive-Temperature-Coefficient Thermistor, also known as a Polymer Positive Temperature Coefficient Thermistor Device or a PPTC Resettable Fuse. We also offer a maximum voltage of 60V.
PPTC Thermistor Technical Support and Service
We are proud to provide technical support and service for our PPTC thermistor products. Our team of experienced engineers and technicians can help you with any technical issues you encounter when using our products. From installation guidance to troubleshooting, we can provide the assistance you need.
We also provide product training and webinars for our customers to keep them up-to-date on the latest features and developments. We are committed to offering the most reliable and highest quality products available, and our technical support and service team is here to help ensure that you get the most out of your purchase.
PPTC Thermistors should be packaged in static-shielding bags and placed in a cardboard box. The box should be closed securely with tape to ensure nothing falls out. The package should be labeled with the product name, type and part number.
When shipping, it is important to select the appropriate shipping carrier. Care should be taken to ensure the package is not damaged during transport. If the shipping carrier offers insurance, it is recommended that the package is insured to protect against any damage incurred during the shipment.
