The MELF Glass-Sealed NTC Thermistor for IGBT produced by X-Meritan's factory adopts an integrated high-temperature glass sealing process and MELF cylindrical patch structure, achieving airtight insulation protection, strong resistance to external interference, and excellent thermal response speed.
This product can capture the minute temperature changes inside the IGBT chip in real time, output a stable resistance feedback signal, assist the control system in completing voltage dynamic compensation and over-temperature protection, suppress the risk of thermal runaway under high-load conditions, and ensure the switching efficiency and long-term operational reliability of the IGBT module.
X-Meritan This series of MELF glass-encapsulated NTC thermistors undergoes a complete set of reliability verification in accordance with IEC 60539 and GB/T 6663.1 industry standards, strictly following the ISO9001 quality management system. Before each batch is shipped, multiple dimensions of performance tests are completed to ensure stable performance under complex power electronic conditions.
Use high-precision constant temperature equipment to calibrate the resistance-temperature curve and B-value accuracy, strictly controlling temperature drift errors, and adapting to the temperature drift compensation requirement of 5mV/℃ for IGBT startup voltage.
Conduct high-temperature and high-pressure moisture permeability tests to verify the sealing performance of the glass encapsulation, avoiding internal component oxidation and moisture-induced failure problems during long-term high-temperature operation.
Complete thousands of cold and hot cycles from -40℃ to 125℃ to simulate the drastic temperature changes caused by the start and stop of power modules; after the cycles, there is no structural cracking, and the resistance fluctuation is controlled within ±2%.
The common NTC thermistors on the market mostly adopt secondary simple sealing methods, which can easily generate micro air bubbles inside. When working under high temperatures for a long time, they will gradually oxidize and shift.
Our company's MELF Glass-Sealed NTC Thermistor for IGBT. It adopts an integrated high-temperature fused glass sealing process and is sealed in a vacuum environment. There are no bubbles or impurities. The chip is completely isolated from the outside water vapor and oxygen.
A1: The glass achieves airtight sealing and has complete moisture-proof and anti-oxidation capabilities. Under high-temperature and high-humidity power working conditions, the parameters do not easily drift, and the service life and detection stability are much higher than those of epoxy-encapsulated products.
A2: As a factory at the source of the entire production chain, we support non-standard customization of resistance value, B value, shape size, and precision tolerance for R25, and can be adapted to different models of IGBT modules as well as customer circuit designs.
A3: Fully applicable. The product has passed vehicle-grade high and low temperature cycling and aging tests, demonstrating strong environmental tolerance and meeting the stringent reliability requirements for power systems of new energy vehicles and photovoltaic inverters.
A4: We can provide ISO9001 system certificate, RoHS and REACH compliance reports, as well as corresponding batch test reports, to facilitate customer's complete machine certification and market access in overseas markets.
A5: We offer sample testing services. After the customer completes the circuit debugging and performance verification and confirms that the parameters match, they can then start the mass production process.
A6: We have an automated precision production line that can produce in large quantities stably, with controllable delivery time, and can provide long-term supply support for power electronic manufacturers.
A7: Engineers can offer pre-sales selection assessment, condition matching, circuit scheme reference, and post-sales technical consultation to help customers optimize the overall temperature control solution for the equipment.
Address
Building C2, R&F Center, Shangpu Road, Taijiang District, Fuzhou City, Fujian Province, China
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