CM300HA-28H

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Silicon is an important part of many innovations in electronics, from diodes to integrated circuits and from transistors to transistors-modules. CM300HA-28H is such a module, a silicon-based three-phase insulated-gate bipolar transistor (IGBT) switch in IGBTs Modules category. It is specially designed for use in high voltage and high current motor controls, including multi-speed motor controls, welding power supplies, uninterruptible power supplies (UPS), UPS filters and industrial power supplies.

The main specifications of CM300HA-28H IGBT module are typically as follows:

• Maximum collector-emitter voltage (Vce): 900V
• Collector current (IC): 74 A
• Gate emitter voltage (Vge): 20V
• Thermal resistance less than 0.45C/W
• Dielectric strength greater than 3000V
• Operating temperature range from -40°C to +150°C
• Frequency range up to 50kHz

The CM300HA-28H also include a collector network which is fixed and a control network that is adjustable. This allows for a wide range of gate control current and gate-emitter voltage (Vge) to be set accurately.

The main application fields of CM300HA-28H are:

• Motor controls
• Welding power supply
• Uninterruptible power supply (UPS)
• Gas and water heaters
• Air-conditioners
• Power devices for HVDC (high voltage direct current)

How does this IGBT module work? CM300HA-28H is a three-phase inverter bridge which consists of six IGBTs arranged in three separate legs, each driven by its own independent gate drive circuit. When a DC voltage is applied across the bridge, the current flows through each IGBT in the bridge and turns a connected three-phase motor. The inverter bridge is controlled by a logic circuit which controls the firing of the IGBT\'s gate drive circuits and the output voltage of the bridge.

The CM300HA-28H module is a highly efficient, durable and cost-effective solution for medium to high power IGBT applications and is suitable for a wide range of applications within the industrial sector. Unlike other transistors, the CM300HA-28H has a very low on-state voltage drop and does not require bulky cooling and therefore increases overall efficiency and reduces design costs. This makes it the ideal IGBT solution for many applications, including motor controls, welding power supplies, uninterruptible power supplies, smart meters and HVDC applications.

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