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8 Channel Source Drivers 50V -0.5A DIP-18

View UDN2981A-T: 8 Channel Source Driver 50V -0.5A DIP-18

UDN2981A-T: 8 Channel Source Driver 50V -0.5A DIP-18

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Allegro Microsystems,Inc.
Jameco Part no. 1762681
Manufacturer no. UDN2981A-T
  RoHS compliant
Catalog 161 , page 8
Pricing & Availability


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100+ $2.49
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8-Channel Source Driver 50V -0.5A DIP-18

Recommended for high-side switching applications that benefit from separate logic and load grounds, these devices encompass load supply voltages to 50V and output currents to -500mA. These 8-channel source drivers are useful for interfacing between low-level logic and high-current loads. Typical loads include relays, solenoids, lamps, stepper and/or servo motors, print hammers and LEDs.

All devices may be used with 5V logic systems - TTL, Schottky TTL, DTL, and 5V CMOS. The UDN2981A with withstand a maximum output off voltage of 50V and operate to a minimum of 5V. It also integrates input current limiting resistors and output transient suppression diodes and are activated by an active high input. It will sustain 120mA continuously for each of the eight outputs at an ambient temp of +50°C and a supply of 15V under normal conditions.

  • TTL, DTL, PMOS, or CMOS Compatible Inputs
  • 500 mA Output Source Current Capability
  • Transient-Protected Outputs
  • Output Breakdown Voltage to 50 V

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  • Specification Value
    Number of Elements per Chip8
    Minimum Operating Temperature-20°C
    Maximum Operating Temperature85°C
    MountingThrough Hole
    Product Width7.11mm(Max)
    Specification Value
    Product Height5.33mm(Max) - 0.39mm(Min)
    Product Length23.37mm(Max)
    Product TypeDarlington BJT
    Maximum Collector Emitter Saturation Voltage1.8V@100mA|1.9V@225mA|2V@350mA
    Maximum Collector Emitter Voltage50V
    Maximum Continuous DC Collector Current0.5A

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