XP0121100L Discrete Semiconductor Products

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The XP0121100L transitor array is a pre-biased, bipolar junction transistor array used for many different applications. The array consists of two transistors in the same package, both sharing a common base connection. This allows for increased regulation and stability during operation, making the array ideal for applications where high levels of accuracy, stability and reliability are desired.

The XP0121100L consists of two elements housed in a 20-lead P-TO-220 package. The first element consists of two NPN transistors, with one connected to an emitter follower circuit. The emitters of the two transistors are upside down, with the collector of one connected to the emitter of the other and the cathode connected directly to the emitter. This arrangement increases the voltage difference needed to turn on the transistors and greatly improves their current-sinking capabilities. This allows the XP0121100L to sink more current than a single transistor and make it ideal for applications requiring current regulation and increased power efficiency.

The second element consists of two PNP transistors. The transistors are wired in an inverse parallel configuration with the collector of one transistor connected to the emitter of the other, and the base connected directly to the emitter. This arrangement helps increase the current gain of the array, making it well suited for applications requiring fast switching times.

The XP0121100L can be used in a wide variety of applications. It is popular in high-power switch mode power supplies, automotive and industrial systems, lighting systems, and as a driver in stepper motor and relay applications. The array also has a wide variety of safety and protection features, such as reverse polarity protection, over-voltage protection, and under-voltage protection.

The XP0121100L is a versatile and reliable transistor array, designed to meet the needs of a wide variety of applications. It is an ideal choice for applications requiring high levels of efficiency, accuracy, and stability, such as lighting systems and automotive systems. Its high current-sinking capabilities make it well suited for switch mode power supplies and stepper motor and relay applications. It is also a great choice for industrial applications, due to its wide range of safety and protection features.

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