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STMicroelectronics 4-Element NPN Darlington Transistor Array 1.75A 80V 16-Pin PDIP ULN2075B

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STMicroelectronics 4-Element NPN Darlington Transistor Array 1.75A 80V 16-Pin PDIP ULN2075B

Name: STMicroelectronics 4-Element NPN Darlington Transistor Array 1.75A 80V 16-Pin PDIP ULN2075B
Brand: STMicroelectronics
SKU: 173533

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Category Darlington Transistor Brand STMicroelectronics Condition New

Specifications

Country of Origin	India
Brand	STMicroelectronics
Height	5.1mm
Length	20mm
Model	ULN2075B
Mount Type	Through Hole
Series	ULN2075B
Maximum Operating Temperature	85°C
Package Type	PDIP
Minimum Operating Temperature	-20°C
Pin Count	16
Maximum Continuous Collector Current Ic	1.75A
Maximum Collector Emitter Voltage Vceo	80V
Number of Elements per Chip	4
Transistor Polarity	NPN
Maximum Collector Emitter Saturation Voltage VceSAT	1.5V
Maximum Power Dissipation Pd	4.3W

Key Features

Contains four high-voltage, high-current NPN Darlington transistor pairs arranged in a single IC.
Maximum continuous collector current of 1.75 amperes supports robust switching applications.
Max collector-emitter voltage rating of 80 volts ensures high voltage tolerance.
Includes integral suppression diodes for inductive load protection.
Standard logic level interface compatible with TTL and CMOS inputs for easy integration.
Through-hole PDIP package with 16 pins facilitates secure mounting and circuit design.
Efficient maximum power dissipation rating of 4.3 watts for thermal management.
Operating temperature range from -20 to 85 degrees Celsius supports diverse environments.

Product Description

The STMicroelectronics ULN2075B is a 4-element NPN Darlington transistor array designed for power switching and high-current driver applications. Featuring four open-collector Darlington pairs with integral suppression diodes, this device facilitates reliable switching of inductive loads such as relays or motors in industrial and automotive circuits.

Each transistor pair supports a maximum continuous collector current of 1.75 amperes and withstands collector-emitter voltages up to 80 volts, making the ULN2075B ideal for high-voltage, high-current applications. The array is presented in a compact 16-pin PDIP package suitable for through-hole mounting, allowing easy integration onto printed circuit boards.

The device dissipates up to 4.3 watts of power, and its operational temperature range of -20°C to +85°C provides robustness for use in varying environmental conditions. Its inputs are compatible with standard TTL or CMOS logic levels, simplifying interface requirements for control circuits.

Widely employed in industrial control systems, automotive electronics, and other applications requiring multiple driver channels with inductive load suppression, the ULN2075B offers a cost-effective and reliable solution.

Four NPN Darlington pairs with integral diodes for inductive load protection. High current rating per output channel at 1.75 A continuous collector current. Collector-emitter voltage maximum rating of 80 V. 16-pin PDIP package for through-hole mounting.

Low saturation voltage and efficient power dissipation. Input compatible with standard logic families TTL/CMOS. Wide operating temperature range ensures durability and reliability. Ideal for switching and driving relays, solenoids, and lamps in industrial and automotive systems.

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