{"product_id":"uln2803-8-channel-darlington-transistor-array-5v-50v-high-current-driver-dip-sop-xinbole","title":"ULN2803 8-Channel Darlington Transistor Array 5V–50V High Current Driver DIP\/SOP | Xinbole","description":"\u003csection class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto [content-visibility:auto] supports-[content-visibility:auto]:[contain-intrinsic-size:auto_100lvh] R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:10b7f8d0-bcbd-4637-841d-68e9b4a979b1-46\" data-testid=\"conversation-turn-80\" data-scroll-anchor=\"false\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"29115952-372e-4060-b2a7-d8c58192d400\" dir=\"auto\" data-message-model-slug=\"gpt-5-3-mini\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" data-turn-start-message=\"true\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\"\u003e\n\u003cp data-start=\"111\" data-end=\"707\"\u003eThe ULN2803 from Xinbole is a high-performance 8-channel Darlington transistor array designed for efficient high-current load driving in industrial, automotive, and embedded electronic systems. Operating over a wide voltage range from 5V to 50V, this IC provides reliable interface capability between low-power logic devices and high-power loads, making it ideal for complex control and automation circuits. It integrates eight open-collector Darlington pairs with built-in suppression diodes for driving inductive loads such as relays, motors, solenoids, and LED displays.\u003c\/p\u003e\n\u003cp data-start=\"709\" data-end=\"1168\"\u003eBuilt using advanced power semiconductor technology, the ULN2803 delivers high current gain, low input drive requirements, and efficient switching performance. While it does not use Schottky diode structures internally, it includes integrated flyback diodes that protect against voltage spikes generated by inductive loads. This ensures improved system reliability, reduced external component count, and enhanced thermal stability during continuous operation.\u003c\/p\u003e\n\u003cp data-start=\"1170\" data-end=\"1516\"\u003eCompared to lower-channel driver ICs, the ULN2803 offers higher integration density and stronger load-driving capability, making it highly suitable for complex multi-output control systems. Its robust design ensures stable operation under high load conditions and electrical noise environments, improving overall system durability and efficiency.\u003c\/p\u003e\n\u003cp data-start=\"1518\" data-end=\"1985\"\u003eAvailable in both DIP and SOP package options, the ULN2803 supports flexible PCB integration for through-hole and surface-mount designs. It is widely used in relay control boards, stepper motor drivers, LED matrix displays, industrial automation systems, and microcontroller interfacing. With its combination of 8-channel integration, high current capability, and built-in protection, the Xinbole ULN2803 is a dependable solution for modern power driver applications.\u003c\/p\u003e\n\u003cp data-start=\"1987\" data-end=\"2006\"\u003e\u003cstrong data-start=\"1987\" data-end=\"2004\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2007\" data-end=\"2353\"\u003e\n\u003cli data-section-id=\"ac67c6\" data-start=\"2007\" data-end=\"2050\"\u003eWide operating voltage range: 5V to 50V\u003c\/li\u003e\n\u003cli data-section-id=\"1nrxj4w\" data-start=\"2051\" data-end=\"2092\"\u003e8-channel Darlington transistor array\u003c\/li\u003e\n\u003cli data-section-id=\"ui4e36\" data-start=\"2093\" data-end=\"2140\"\u003eHigh current driving capability per channel\u003c\/li\u003e\n\u003cli data-section-id=\"199s67e\" data-start=\"2141\" data-end=\"2183\"\u003eBuilt-in flyback (freewheeling) diodes\u003c\/li\u003e\n\u003cli data-section-id=\"1fwe7zw\" data-start=\"2184\" data-end=\"2217\"\u003eLow input current requirement\u003c\/li\u003e\n\u003cli data-section-id=\"1pn4q34\" data-start=\"2218\" data-end=\"2263\"\u003eHigh gain for efficient switching control\u003c\/li\u003e\n\u003cli data-section-id=\"k8c3y6\" data-start=\"2264\" data-end=\"2315\"\u003eHigh integration density for multi-load control\u003c\/li\u003e\n\u003cli data-section-id=\"fdywed\" data-start=\"2316\" data-end=\"2353\"\u003eAvailable in DIP and SOP packages\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2355\" data-end=\"2374\"\u003e\u003cstrong data-start=\"2355\" data-end=\"2372\"\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2375\" data-end=\"2624\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-section-id=\"qtd3cl\" data-start=\"2375\" data-end=\"2400\"\u003eRelay driver circuits\u003c\/li\u003e\n\u003cli data-section-id=\"q79qf\" data-start=\"2401\" data-end=\"2434\"\u003eStepper motor control systems\u003c\/li\u003e\n\u003cli data-section-id=\"a7y9ug\" data-start=\"2435\" data-end=\"2468\"\u003eSolenoid and actuator driving\u003c\/li\u003e\n\u003cli data-section-id=\"a9wye1\" data-start=\"2469\" data-end=\"2503\"\u003eLED matrix and display systems\u003c\/li\u003e\n\u003cli data-section-id=\"1me5um2\" data-start=\"2504\" data-end=\"2539\"\u003eIndustrial automation equipment\u003c\/li\u003e\n\u003cli data-section-id=\"1k1w2si\" data-start=\"2540\" data-end=\"2577\"\u003eMicrocontroller interface modules\u003c\/li\u003e\n\u003cli data-section-id=\"15utykh\" data-start=\"2578\" data-end=\"2624\" data-is-last-node=\"\"\u003eMulti-channel high-current switching systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e","brand":"xinbole","offers":[{"title":"Default Title","offer_id":43844330324033,"sku":null,"price":0.0,"currency_code":"INR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0647\/4468\/5633\/files\/Integrated_Circuits-02-01_21de9394-cbdf-440c-93e1-dd1367592f04.png?v=1769084412","url":"https:\/\/hext.in\/products\/uln2803-8-channel-darlington-transistor-array-5v-50v-high-current-driver-dip-sop-xinbole","provider":"Hext by Regent Electronics","version":"1.0","type":"link"}