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                                                                                                      1. Home
                                                                                                      2. Semiconductors - Discretes
                                                                                                      3. Transistors
                                                                                                      4. Darlington Transistors
                                                                                                      Print Page

                                                                                                      ULN2804A

                                                                                                      Darlington Transistor, Darlington, NPN, 50 V, 2.25 W, 500 mA, DIP, 18 Pins

                                                                                                      STMICROELECTRONICS
                                                                                                      Image is for illustrative purposes only. Please refer to product description.
                                                                                                      STMICROELECTRONICS ULN2804A
                                                                                                      ManufacturerSTMICROELECTRONICS
                                                                                                      Manufacturer Part NoULN2804A
                                                                                                      Order Code1094429
                                                                                                      Technical Datasheet

                                                                                                      Data Sheet

                                                                                                      See all Technical Docs
                                                                                                      3,794 In Stock

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                                                                                                      3794 Delivery in 4-6 Business Days(UK stock)
                                                                                                      QuantityPrice
                                                                                                      1+Rs.179.260
                                                                                                      10+Rs.116.250
                                                                                                      100+Rs.101.170
                                                                                                      500+Rs.98.510
                                                                                                      1000+Rs.96.660
                                                                                                      Price for:Each
                                                                                                      Minimum: 1
                                                                                                      Multiple: 1
                                                                                                      Rs.179.26
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                                                                                                      This number will be added to the Order Confirmation, Invoice, Dispatch note, Web confirmation Email and Product Label.

                                                                                                      Product Information

                                                                                                      STMICROELECTRONICS
                                                                                                      ManufacturerSTMICROELECTRONICS
                                                                                                      Manufacturer Part NoULN2804A
                                                                                                      Order Code1094429
                                                                                                      Technical Datasheet

                                                                                                      Data Sheet

                                                                                                      Transistor PolarityNPN
                                                                                                      Collector Emitter Voltage V(br)ceo50V
                                                                                                      Power Dissipation Pd2.25W
                                                                                                      DC Collector Current500mA
                                                                                                      RF Transistor CaseDIP
                                                                                                      No. of Pins18Pins
                                                                                                      DC Current Gain hFE1000hFE
                                                                                                      Transistor MountingThrough Hole
                                                                                                      Operating Temperature Max85°C
                                                                                                      Product Range-
                                                                                                      Qualification-
                                                                                                      SVHCNo SVHC (21-Jan-2025)

                                                                                                      Product Overview

                                                                                                      The ULN2804A from STMicroelectronics is a through hole eight darlington array in DIP package. Array contains eight darlington transistors with common emitters and integral suppression diodes for inductive loads. Each darlington features peak load current rating of 600mA (500mA continuous) and can withstand at least 50V in the OFF state, 10.5Kohm input resistor for 6V to 15V CMOS are available to simplify interfacing to standard logic families.

                                                                                                      • Inputs pinned opposite to outputs to simplify board layout
                                                                                                      • Outputs may be paralleled for higher current capability
                                                                                                      • Integral suppression diodes
                                                                                                      • Output voltage of 50V
                                                                                                      • DC current gain (hFE) of 1000
                                                                                                      • Operating ambient temperature range from -20°C to 85°C
                                                                                                      • Power dissipation (Pd) is 2.25W

                                                                                                      Applications

                                                                                                      Power Management, Consumer Electronics, Portable Devices, Industrial

                                                                                                      Technical Specifications

                                                                                                      Transistor Polarity

                                                                                                      NPN

                                                                                                      Power Dissipation Pd

                                                                                                      2.25W

                                                                                                      RF Transistor Case

                                                                                                      DIP

                                                                                                      DC Current Gain hFE

                                                                                                      1000hFE

                                                                                                      Operating Temperature Max

                                                                                                      85°C

                                                                                                      Qualification

                                                                                                      -

                                                                                                      Collector Emitter Voltage V(br)ceo

                                                                                                      50V

                                                                                                      DC Collector Current

                                                                                                      500mA

                                                                                                      No. of Pins

                                                                                                      18Pins

                                                                                                      Transistor Mounting

                                                                                                      Through Hole

                                                                                                      Product Range

                                                                                                      -

                                                                                                      SVHC

                                                                                                      No SVHC (21-Jan-2025)

                                                                                                      Technical Docs (3)

                                                                                                      CAD CadSoft_EAGLE EN

                                                                                                      Product Change Notice EN

                                                                                                      Technical Data Sheet EN

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                                                                                                      2 Products Found

                                                                                                      Legislation and Environmental

                                                                                                      Country of Origin:
                                                                                                      Country in which last significant manufacturing process was carried outCountry of Origin:
                                                                                                      Malaysia
                                                                                                      Country in which last significant manufacturing process was carried out
                                                                                                      Tariff No:85412900
                                                                                                      US ECCN:EAR99
                                                                                                      EU ECCN:NLR
                                                                                                      RoHS Compliant:Yes

                                                                                                      RoHS

                                                                                                      RoHS Phthalates Compliant:Yes

                                                                                                      RoHS

                                                                                                      SVHC:No SVHC (21-Jan-2025)
                                                                                                      Download Product Compliance Certificate

                                                                                                      Product Compliance Certificate

                                                                                                      Weight (kg):.018144
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