Import Diode Module Mdc70a — Buy in Bulk from Supplier in China

The Diode Module MDC70A is a high-current rectifier module engineered for thermal stability under heavy load conditions, rated for continuous operation at up to 350A average current. It is designed with a forced air-cooling requirement to maintain safe operating temperatures, distinguishing it from passive-cooled modules. The internal diode structure uses parallel-connected silicon chips to distribute current and reduce thermal stress on individual junctions.

The module’s construction includes a metal-ceramic substrate with high thermal conductivity, optimized for heat transfer to a mounted heatsink. The term 'compulsive wind-cooling' refers to the mandatory requirement for external airflow, typically 5 to 10 m/s, to prevent thermal runaway. This design is common in high-power industrial inverters and EV charging systems where duty cycles involve sustained peak loads. The module does not include internal fans or cooling mechanisms.

This module is primarily used in industrial automation, renewable energy inverters, and DC fast-charging stations where reliability under continuous high current is critical. Buyers are typically system integrators or OEMs sourcing for production lines, with order volumes ranging from 50 to 200 units per shipment. Packaging is in rigid plastic trays with ESD protection. Trade terms are commonly FOB Wenzhou, with lead times confirmed after order placement. Minimum order quantities are not specified but are typically flexible for qualified buyers.

Yueqing City Liujing Rectifier Co., Ltd. is a manufacturer based in Wenzhou, Zhejiang, China, with a physical address listed on the platform. The supplier is categorized as imported and has a harbor trust tier, indicating verified export history and compliance with basic shipping documentation. There is no public information regarding years in operation, employee count, or revenue. The company is not listed as a factory with ISO certification or third-party audit reports in the available data.

The supplier's profile shows no response history, and the response rate is recorded as zero, suggesting limited or no active communication through the platform. This does not imply non-operational status but indicates that direct engagement must be initiated via external channels. The product listing is the only verified signal of their activity in diode modules. Buyers should treat this as a direct manufacturer with no public customer references or case studies available.