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Updated at 01/11/2025 10:30:15(UTC+8)

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Description

The ULN2003AD series from Texas Instruments is surface mount, high voltage and high current darlington transistor array in SOIC package. Each containing seven NPN darlington pairs that feature high voltage common emitter and open collector outputs with common cathode clamp diodes for switching inductive loads. The collector current rating of a single darlington pair is 500mA and darlington pairs can be paralleled for higher current capability. The ULN2003A has a 2.7Kohm series base resistor for each darlington pair to operate directly with TTL or 5V CMOS devices. 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 1.2V at 350mA collector current
Operating temperature range -20°C to 70°C
Collector current (Ic) of 500mA (single output)

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ULN2003AD Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Surface Mount
Number of Pins	16 Pin
Case/Package	SOIC-16
Voltage Rating (DC)	50.0 V
Current Rating	500 mA
Number of Outputs	7 Output
Output Current	500 mA
Number of Positions	16 Position
Polarity	NPN
Power Dissipation	25 W
Breakdown Voltage (Collector to Emitter)	50 V
Drivers Per Package	7
Continuous Collector Current	0.5A
Output Current (Max)	500 mA
DC Current Gain (hFE)	600
Operating Temperature (Max)	70 ℃
Operating Temperature (Min)	-20 ℃
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Size-Length	9.9 mm
Size-Width	3.91 mm
Size-Height	1.58 mm
Operating Temperature	-20℃ ~ 70℃ (TA)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2014/12/17
ECCN Code	EAR99

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