ULNA are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for ULNA. The ULNA datasheet specifies that it is a high-voltage, high-current Darlington transistor array. The device consists of eight npn Darlington pairs. and use in critical applications of. Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. 1.

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Or if you don’t have an account with us yet, then click here to register. Users of our Advanced Search registration required may exclude discontinued materials from search results. Questions or comments about MatWeb? Please contact us at webmaster matweb. The following two tabs change content below. A Darlignton pair is two transistors that act as a single transistor providing high current gain.

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ON Semiconductor – datasheet pdf

The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC. Property Data This page displays only the text of a material data sheet. Click here to view all the property values for this datasheet as they were originally entered into MatWeb. In this pair the current amplified by the first transistor is further amplified by the next transistor providing high current to the output terminal.


When high logic is fed to the input both the transistors begin to conduct providing a path daatasheet ground for the external load that the output is connected. Designed for extrusion and injection molding applications.

ON Semiconductor

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Thic IC consists of a eight NPN Darlington connected transistors with common Clamp diodes for switching the loads connected to the output. We appreciate your input. MatWeb is intended for personal, non-commercial use. Login to see your most recently viewed materials here. Thus when an input is applied corresponding output pin drops down to zero there by enabling the load connected to datqsheet its path. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error.


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Frank Donald is an Electronics and Communication Engineer who loves building stuff in his free time. Latest posts by Frank Donald see all. This IC is widely used to drive high loads such Lamps, relays, motors etc. Notify of all new follow-up comments Notify of new replies to all my comments.

When no base voltage is applied that when is no signal is given to the input pins 280a3 the ICthere will be no base current and transistor remains in off state. Data sheets from materials that are no longer available remain in MatWeb to assist users in finding replacement materials. Frank Donald September 16, 0 Comments. Subscribe to Premium Services Searches: We also ask that you refer to MatWeb’s terms of use regarding this information.