Xinluda (XINLUDA) Electronic Parts
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The XL2903 from Xinluda is a dual differential voltage comparator built for general-purpose signal comparison across a very wide supply range. As an industry-standard LM2903-type device, it pairs two independent comparators with a PNP Darlington-pair input stage and an open-drain NPN output, making it a versatile, low-cost building block for level detection, threshold sensing, and interface circuits. The XL2903 is supplied in a compact SOP-8 surface-mount package.
Its open-drain output lets designers set the output logic-low level (VOL) with an external pull-up and supports wired-AND configurations, while the wide operating supply allows the same part to serve both low-voltage logic rails and higher-voltage industrial systems.
The XL2903 is a Xinluda part with little to no authorized-distributor stock in Western markets, which makes consistent supply a challenge for production and repair builds. Pacific Component Xchange specializes in hard-to-find and end-of-life power-management ICs, comparators, and optocouplers, giving you a reliable channel for components that mainstream catalogs do not carry.
Every order is backed by our authenticity and quality-assurance process, with global shipping to your line wherever you build. Whether you need a single reel or volume quantities of the XL2903, request a quote (RFQ) from Pacific Component Xchange and our sourcing team will confirm availability, lead time, and pricing for your requirement.
The XL2903 is a dual differential voltage comparator from Xinluda in an SOP-8 package. It contains two independent comparators with a PNP Darlington-pair input and an open-drain output, operating over a 2V to 36V supply range.
Yes. The XL2903 is an industry-standard LM2903-type dual comparator and shares the same core function and SOP-8 pinout, making it a direct alternative for designs built around the LM2903/LM393 family.
The XL2903 is supplied in an 8-pin SOP-8 surface-mount (SMD) package. A DIP-8 through-hole variant is also offered in the Xinluda 293/393/2903 family.
It uses an open-drain NPN output, so an external pull-up resistor is required. This lets you set the output logic-low voltage and enables wired-AND output configurations.
The XL2903 operates from a 2V to 36V supply and is rated for an operating temperature range of -40u00b0C to +125u00b0C.
The XL2903 is offered on a Request-For-Quote (RFQ) basis through Pacific Component Xchange. Submit your part number and quantity and our sourcing team will confirm availability, lead time, and pricing.
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