DMA964010R Discrete Semiconductor Products

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The DMA964010R is a Darlington array pre-biased transistor. It is specifically designed for use in power audio or heavy-duty applications. It is a monolithic integrated circuit that has two horizontal rows of transistors, each containing eight transistors with four diodes. The transistors are pre-biased, which allows the device to deliver higher current gains compared to conventional device designs. The diodes can be used to divert any reverse-bias current that might be generated by the pre-bias voltage.

The DMA964010R contains 16 NPN transistors, each having a collector-emitter voltage rating of 80V and a continuous collector current of 15A. The collector-base voltage rating is also 80V and the base current rating is 15mA. The output current for this device is a maximum of either 200A, 0.2A or 0.6A depending on the bias voltage applied. The total power dissipation of the device is 7.5W and the thermal resistance of the device is 2.5 °C/W.

The primary application field for the DMA964010R is in power audio or heavy-duty applications. In these applications, the device is often used to provide high current gains and prevent any reverse-bias current from developing. The device is also used in audio amplifier applications, relays, timers, and for isolated inverter circuits. This device can also be used in general-purpose switching applications, such as those involving lighting.

The working principle of the DMA964010R is based on the Darlington configuration. This configuration is composed of two transistors connected in series with their collectors connected together. The current running through both transistors is the same, but the voltage across each is different. This configuration creates a high current gain for the device which is why it is often used in applications involving heavy-duty current. The diodes are connected in parallel with the two transistors and are responsible for diverting any reverse-bias current.

To summarize, the DMA964010R is a Darlington array pre-biased transistor. This device is designed specifically for use in power audio or heavy-duty applications, such as those related to audio amplifiers, relays, timers, and isolated inverters. It is composed of two horizontal rows of eight transistors, each with four diodes. The transistors are pre-biased, which allows for significant current gains. The diodes can be used to divert any reverse-bias current from developing. The device operates on the Darlington configuration, which consists of two transistors connected in series with their collectors connected together. This configuration creates a high current gain for the device.

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