Authorized Distributor

Qtech

Shenzhen Baoquan Zhijie Technology Co., Ltd. (brand Q-Tech) says it researches, develops and industrialises power semiconductor devices: IGBT, FRD, SJ-IGBT, SGT MOSFET and SiC. According to its website, it was incorporated in 2014 and its team has more than 20 years of experience in chip design, wafer process, module packaging and application work. Products target inverters, power supplies and photovoltaic systems.

The product list shows IGBT discretes and modules, SiC MOSFET and SBD parts, SCR thyristors, rectifier bridges and fast-recovery diodes. IGBT modules come in 34 mm, 62 mm, EconoDual, Econo3, Easy and similar housings, at 600 V to 1800 V. According to the manufacturer, wafers and modules are designed, made, packaged and tested in-house.

Infinite Electronics LLP is an authorized distributor of Qtech.

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Key Points

Product lines: wafers, IGBT discretes, IGBT modules, IPM, SiC MOSFET and SBD, FRD, SCR thyristors and rectifier bridges
Its product list covers more than 500 part numbers across IGBT, SiC, SCR and diode families
Discrete IGBT packages in the list include TO-220, TO-220F, TO-247, TO-247-4L, TO-263 and TO-264; SiC parts also in TO-247-3/4L, TO-252 and DFN8x8
Module housings listed include 34 mm, 45 mm, 62 mm, EconoDual, Econo2, Econo3, Easy 1B/2B and SOT-227
Wafer technology fields in the list: Trench, NPT and SJ for IGBT, and planar SiC
According to its website, team members have been granted dozens of domestic and international patents
Module configurations listed include half-bridge, three-phase and rectifier-brake types

Core Product Categories

IGBT modulesHalf-bridge, 3-phase and rectifier module configurations, 600 V to 1800 V, for drives and inverters.
Discrete IGBTSingle IGBTs in TO-220 to TO-264 packages for compact and cost-sensitive power stages.
SiC MOSFET and SiC SBDSilicon-carbide devices, 650 V to 1700 V, for high-frequency, high-efficiency conversion.
SCR / thyristorsThyristors up to 2100 V for soft starters, phase control and bypass switching.
Rectifier bridges and diode modulesSingle and three-phase bridge and thyristor-rectifier-brake modules for AC to DC input stages.
Fast-recovery diodes (FRD)Discrete and module FRDs for freewheeling and snubber duty alongside IGBTs.
IPMIntelligent power modules, listed in the website product menu.
Wafers / chipsWafer and chip supply, including NPT and trench field-stop IGBT wafers.

Typical Applications

Variable frequency drives (VFD) UPS and power backup Solar inverters and energy storage Welding machines EV chargers Home appliance motor drives Soft starters and induction heating Industrial power supplies

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