Xinluda (Xinluda Information Technology Co.) Electronic Parts
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The Xinluda XD2803 is an 8-channel high-voltage, high-current Darlington transistor array driver supplied in an 18-pin DIP (through-hole) package. It belongs to the widely deployed 2803 / ULN2803 driver family and is designed to interface low-power logic (microcontrollers, logic gates, and similar) with higher-power inductive and resistive loads such as relays, solenoids, stepper and DC motors, lamps, and LED displays. Each of the eight outputs comprises an NPN Darlington pair with an integral output clamp diode for switching inductive loads and an on-chip series base resistor for direct logic-level drive.
The Xinluda XD2803 is a hard-to-find part with little to no authorized-distributor stock. Pacific Component Xchange specializes in sourcing scarce, allocated, and obsolete power-management and driver ICs through our global supplier network. Every order is backed by our authenticity and quality-assurance program to protect your build from counterfeit risk, and we ship worldwide to meet your production schedule. Because the XD2803 is offered on a Request-For-Quote basis, contact Pacific Component Xchange today to submit an RFQ with your required quantity, date code, and packaging preferences, and our sourcing team will respond promptly with availability and pricing.
The XD2803 is an 8-channel high-voltage, high-current Darlington transistor array driver from Xinluda, supplied in a DIP-18 through-hole package. It is part of the 2803 / ULN2803 driver family used to drive relays, solenoids, motors, lamps, and LED displays.
The XD2803 belongs to the same 2803 driver family and shares the standard ULN2803-series architecture (eight NPN Darlington pairs with integral clamp diodes, 50 V rating, 500 mA per channel, and integrated base resistors). Always confirm pin-for-pin and electrical compatibility against the official datasheet for your specific design before substitution.
The XD2803 is offered in an 18-pin DIP (DIP-18) through-hole package and is typically supplied in tube packaging. A surface-mount SOP-18 version of the same family is offered by Xinluda under the XL2803A part number.
Each of the eight outputs is rated for a maximum collector-emitter voltage (VCEO) of 50 V and a rated collector current of 500 mA per channel (single output), per the Xinluda 2803-family datasheet.
The XD2803 is a hard-to-find part with limited or no authorized-distributor availability. Pacific Component Xchange sources it through our global supplier network, so pricing and lead time depend on current market availability. Submit an RFQ with your quantity and requirements for a quote.
Yes. Pacific Component Xchange backs every order with authenticity verification and quality-assurance processes to mitigate counterfeit risk, and we ship globally to support your production timeline.
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