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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Latest posts by Frank Donald see all. Click here to view all the property values for this datasheet as they were originally entered into MatWeb. Or if you don’t have an account with us yet, then click here to register.

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Designed for extrusion and injection molding applications. Frank Donald is an Electronics and Communication Engineer who loves building stuff in his free time. When no base voltage is applied that when is no signal is given to the input pins of the ICthere will be no base current and transistor remains in off state. The contents, results, and technical data from this site may not be reproduced either electronically, photographically or substantively without permission from MatWeb, LLC.


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Working of ULN IC – Gadgetronicx

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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. Quote and Order boards in minutes datasyeet Users of our Advanced Search registration required may exclude discontinued materials from search results.


A Darlignton pair is two transistors that act as a single transistor providing high current gain. Data sheets for overmetals, plastics, ceramics, and composites. Notify of all new follow-up comments Notify of new replies to all my comments. The following two tabs change content below.

Questions or comments about MatWeb? Thus when an input is applied corresponding output pin drops down to zero there by enabling the load connected to complete its path. In this pair the current amplified by the first transistor is further amplified by the next transistor providing high current datawheet the output terminal.

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We appreciate your input. When high logic is fed to the input both the transistors begin to conduct providing a path to ground for the external load that the output is connected. This IC is widely used to drive high loads such Lamps, relays, motors etc. Frank Donald September 16, 0 Comments. To see MatWeb’s complete data sheet for this material including material property data, metal compositions, material suppliers, etcplease click the button below.