Import Big Power Power Ntc Thermistor Mf73 — Buy in wholesale FOB from Supplier in China
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Big Power Power NTC Thermistor MF73
The Big Power Power NTC Thermistor MF73 is a radial leaded, ultra high-power component designed for inrush current suppression in switching power supplies, industrial motors, and high-voltage equipment. It uses a semiconductor metal oxide compound of manganese, nickel, and cobalt, with resistance values ranging from 2 ohms to 16 ohms at 25°C depending on the model. Available in body diameters of 40mm, 45mm, and 50mm, the series supports power dissipation ratings up to 3W, making it suitable for protecting rectifier diodes and capacitors during startup surges.
Each variant in the MF73 series is engineered for specific current and capacitance handling, with thermal time constants spanning 35 to 90 seconds and maximum impulse capacitance values up to 15000 µF at 240VAC. The thermistors feature a B-value (thermal sensitivity index) of 2600K to 3200K, ensuring stable performance across a wide temperature range. Typical applications include UPS systems, EV chargers, motor drivers, plasma welders, and solar inverters, where high inrush current can damage sensitive components.
Power supply manufacturers, EMS providers, and industrial equipment producers globally rely on these thermistors for reliable current limiting. Radial leaded construction simplifies PCB mounting, while the compact form factor allows integration into space-constrained designs. Buyers typically source these in bulk for high-volume production, with packaging and lead time details confirmed directly with the supplier based on order volume and specifications.
| Material | Semiconductor Metal Oxide (Manganese-Nickel-Cobalt Oxide Compound) |
| Construction | Radial leaded |
| Body Diameter | 40mm, 45mm, or 50mm |
| Resistance at 25°C (R25) | 0.2Ω to 10Ω ±20% (model-dependent) |
| Thermal Sensitivity Index (B-value) | 2600K to 3200K ±10% |
| Max Steady State Current (Imax) | 19A to 80A (model-dependent) |
| Max Power Dissipation (Pmax) | Up to 3W |
| Thermal Time Constant | 35s to 90s (model-dependent) |
| Max Impulse Capacitance at 240VAC | 3300µF to 15000µF (model-dependent) |
| Typical Tolerance for Resistance | Standard ±20% at 25°C |
Dongguan Ampfort Electronics Co., Ltd. is based in Shilong Town, Dongguan, Guangdong Province, China, with its registered address at No.1, Yixiang, Liwu Industrial Park, Liwuyuan Village, Xihu District. The company specializes in the production of high-power electronic components, including NTC thermistors for industrial and consumer applications, and operates within a verified trade tier that signals consistent export activity.
The supplier’s profile indicates a focus on components for power management and protection, with the MF73 series representing a flagship product line for inrush current suppression. While the response rate and average response time are currently listed as zero, the harbor trust tier suggests a track record of fulfilling international orders. Buyers are advised to contact the supplier directly for confirmation of lead times, custom specifications, and technical support.
The MF73 series ultra big power NTC thermistor is designed for inrush current suppression in switching power supplies and industrial electronic equipment. Radial leaded construction ensures easy PCB mounting, with typical power ratings up to 3W and resistance values from 2 ohms to 16 ohms at 25 degrees C. These components are essential for protecting rectifier diodes and electrolytic capacitors during startup, making them critical procurement items for power supply manufacturers and EMS providers globally.
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Sourcing Big Power Power NTC Thermistor MF73 from Dongguan Ampfort Electronics Co., Ltd. - China Import Guide
Before placing an order, verify the exact resistance value, B-value, and current handling capacity for your specific MF73 model, as these parameters directly impact performance in your circuit. Request the supplier’s datasheet for detailed electrical characteristics, including tolerances and thermal limits, to ensure compatibility with your design requirements.
Confirm logistics details such as lead time, packaging options, and Incoterms (e.g., FOB or CIF) with Dongguan Ampfort Electronics Co., Ltd. The supplier’s harbor trust tier suggests reliability, but always clarify shipping terms, port of departure, and any export restrictions for electronic components. Bulk orders may qualify for customized packaging or labeling.
Quality checks should include testing the thermistor’s resistance at 25°C and its response to temperature changes, using a calibrated multimeter or thermal chamber. Inspect the radial leads for secure attachment and the body for any physical defects. Request certification of compliance with industry standards, such as RoHS, and ensure the supplier provides a test report for the batch.
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30 suppliersBuy Big Power Power Ntc Therm in Bulk — Verified Supplier in China
When sourcing Big Power Power Ntc Thermistor Mf73 for your business, securing the right balance of quality and cost is essential. Dongguan Ampfort Electronics Co., Ltd., a verified supplier based in China, offers this product with key specifications including MF73 Ultra Big Power NTC Thermistor, Radial Leaded, Disc Type, and 1W - 3W (Ultra Big Power Class). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $5/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 8533.40, making it a staple in the Electric Components sector with strong demand from importing countries worldwide.
Big Power Power Ntc Therm Specifications, Trade Terms & Pricing
Importing Big Power Power Ntc Therm requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongguan Ampfort Electronics Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 8533.40 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading B2B marketplace designed to make cross-border trade secure and efficient.
About Dongguan Ampfort Electronics Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Big Power Power Ntc Therm has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Electric Components category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Big Power Power Ntc Therm — Shipping, Logistics & Customs
Importing Big Power Power Ntc Therm requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 8533.40 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Big Power Power Ntc Therm
What is the wholesale price of Big Power Power Ntc Thermistor Mf73?
The current listed wholesale price for Big Power Power Ntc Thermistor Mf73 from Dongguan Ampfort Electronics Co., Ltd. is $5/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Dongguan Ampfort Electronics Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Big Power Power Ntc Therm?
The supplier, Dongguan Ampfort Electronics Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Big Power Power Ntc Therm. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Big Power Power Ntc Thermistor Mf73?
For international shipping and customs clearance, Big Power Power Ntc Thermistor Mf73 is classified under HS Code 8533.40. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Big Power Power Ntc Therm from China?
To import Big Power Power Ntc Therm from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongguan Ampfort Electronics Co., Ltd.. Ensure you have the necessary import licenses for Electric Components products in your destination country.
Is Dongguan Ampfort Electronics Co., Ltd. a verified supplier?
Yes, Dongguan Ampfort Electronics Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Big Power Power Ntc Thermistor Mf73?
The key specifications for Big Power Power Ntc Thermistor Mf73 supplied by Dongguan Ampfort Electronics Co., Ltd. include MF73 Ultra Big Power NTC Thermistor, Radial Leaded, Disc Type, and 1W - 3W (Ultra Big Power Class). For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Big Power Power Ntc Therm?
Dongguan Ampfort Electronics Co., Ltd. offers Big Power Power Ntc Therm with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Big Power Power Ntc Therm the most?
Big Power Power Ntc Therm is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongguan Ampfort Electronics Co., Ltd. through our platform.
What certifications does this Big Power Power Ntc Therm supplier hold?
Dongguan Ampfort Electronics Co., Ltd. maintains international quality certifications. These ensure that the Big Power Power Ntc Therm meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Big Power Power Ntc Thermistor Mf73 on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dongguan Ampfort Electronics Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Dongguan Ampfort Electronics Co., Ltd..
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