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Updated at 23/06/2025 10:30:15(UTC+8)

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Description

The ULN2803ADWR from Texas Instruments is a surface mount, high voltage and high current darlington transistor array in SOIC package. This device consists of eight NPN darlington pairs that feature high voltage outputs with common cathode clamp diodes for switching inductive loads. Collector current rating of each darlington pair is 500mA and pairs may be connected in parallel for higher current capability. Typical applications include relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers and logic buffers.
High voltage outputs of 50V
Inputs compatible with various types of logic
On state input voltage of 3V at 300mA collector current
Collector to emitter saturation voltage of 1.3V at 350mA collector current
Operating temperature range -40°C to 85°C
Collector current (Ic) of 500mA (single output)

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ULN2803ADWR Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	18 Pin
Case/Package	SOIC-18
Voltage Rating (DC)	50.0 V
Current Rating	500 mA
Output Voltage	50 V
Output Current	500 mA
Number of Channels	8 Channel
Number of Positions	18 Position
Polarity	NPN
Power Dissipation	2.25 W
Breakdown Voltage (Collector to Emitter)	50 V
Drivers Per Package	8
Continuous Collector Current	0.5A
DC Current Gain (hFE)	500
Operating Temperature (Max)	85 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	5 V
Input Voltage	30 V
	Show
Operating Temperature	-40℃ ~ 85℃ (TA)
Product Lifecycle Status	Active
Packaging	Tape & Reel (TR)
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/06/15
ECCN Code	EAR99

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