Polymer PTC Wire Overcurrent protection in electronics for sale
| Product Details | |
| Place Of Origin | China JiangSu |
Brand Name | DLX |
Model Number | PTC Wire |
| Payment & Shipping Terms | |
| Minimum Order Quantity | 5 |
| Packaging Details | Spool Package With Carton Box, Coil Package With Polybag |
| Delivery Time | 5-21 Days |
| Payment Terms | L/C, T/T, Western Union, MoneyGram |
Supply Ability | 300 Tons Per Month |
Polymer PTC Wire for Overcurrent Protection in Electronics
Polymer PTC (Positive Temperature Coefficient) Wire is a type of thermistor made from conductive polymer composites that exhibit a unique electrical property: its resistance increases significantly when the temperature exceeds a certain threshold. This characteristic makes it highly suitable for overcurrent protection in electronic circuits. Here’s how it works and its application:
How Polymer PTC Wire Works for Overcurrent Protection
Normal Operating Conditions:
Under normal conditions, when the current through the PTC wire is within the safe operating range, its resistance remains low.
This allows current to flow through the circuit with minimal voltage drop.
Overcurrent Condition:
If an overcurrent situation occurs due to a short circuit or excessive load, the current passing through the PTC wire increases.
As the current increases, the PTC wire self-heats due to the Joule heating effect.
Positive Temperature Coefficient Effect:
As the temperature of the PTC wire rises above its Curie temperature (transition temperature), its resistance increases sharply.
This increase in resistance limits the amount of current flowing through the circuit, effectively providing protection against overcurrent conditions.
Restoration after Fault Clearing:
Once the fault (overcurrent condition) is cleared or removed, the PTC wire cools down.
As it cools, its resistance decreases back to its initial low value, allowing normal operation of the circuit to resume.
Applications in Electronics
Circuit Protection:
Power Supplies: Used in power supply circuits to protect against short circuits and overloads.
Battery Packs: Employed in battery packs of portable electronic devices to prevent overheating and damage.
Printed Circuit Boards (PCBs): Integrated into PCB designs to protect sensitive components from overcurrent events.
Telecommunications Equipment:
Modems and Routers: Used to protect network equipment from electrical faults and transient currents.
Data Centers: Integrated into server racks and networking equipment to ensure continuous operation and prevent downtime.
Consumer Electronics:
Smartphones and Tablets: Incorporated into charging circuits to safeguard against overcurrent during charging.
Home Appliances: Used in appliances like refrigerators and washing machines to protect control circuits from electrical faults.
Automotive Electronics:
Vehicle Electronics: Used in automotive systems to protect sensitive electronic components from electrical surges and faults.
Battery Management Systems: Integrated into electric and hybrid vehicle battery management systems for safety and reliability.
Benefits of Polymer PTC Wire for Overcurrent Protection
Self-Resetting: Unlike traditional fuses, PTC wires are self-resetting devices. Once the fault is cleared, they return to their low-resistance state without needing replacement.
Compact and Lightweight: PTC wires are compact and lightweight, making them suitable for integration into small electronic devices and circuit boards.
Reliable Performance: Provides reliable protection against overcurrent events, ensuring the longevity and safety of electronic equipment.
Polymer PTC wires offer a robust solution for overcurrent protection in electronics, combining efficiency, reliability, and safety in various applications from consumer electronics to industrial equipment.
FAQs
Q：I have sent the RFQ, when can I expect a reply?
A：We usually quote within 24 hours after we get your inquiry. If you are urgent to get the price, please send the message on trade management or call us directly.
Q：How long is the delivery time?
A：It depends on the order quantity ,Usually it takes about 20-30 days.
Q：Do you accept OEM/ODM manufacturing?
A：Yes! We do accept OEM/ODMmanufacturing. You could give us your samples or drawings.
Q：Can you send me your catalogue?
A：Yes, please contact us.We can share with our catalogue for you by email.
Q：How to control the products quality in your company?
A：With professional quality team, advanced product quality planning, strict implementation, continuous improvement, the quality of our products is well controlled and consistent.
Q：Can you provide detailed technical data and drawing?
A：Yes, we can. Please tell us which product you need and the applications, we will send the detailed technical data and drawing to you for your evaluation and confirm.
Q：How do you handle pre-sales and post-sales?
A：We have a professional business team that will work one-on-one with you to protect your product needs, and if you have any questions, he can answer them for you!
Q：Can I visit your factory before we place an order?
A：Yes, you are welcome to visit our factory. We are very pleased if we have the chance to know more about each other.
Q：Where can I find up-to-date information about the company?
A：You can check our news or blog for information about our company.
Q：Do the products meet quality standards?
A：All of our products meet quality standards. If you need a certificate for a specific country, we have a professional business team that will work with you one-on-one and can answer any questions you may have!
Q：Where are your production facilities located?
A：We manufacture our products in China and arrange for them to be shipped from China to your country as soon as possible, which usually depends on your product requirements and quantities.
