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Updated at 15/12/2025 10:30:15(UTC+8)

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Description

8-CHANNEL SOURCE DRIVERS
Recommended for high-side switching applications that benefit from separate logic and load grounds, these devices encompass load supply voltages to 80 V and output currents to -500 mA. 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 5 V logic systems — TTL, Schottky TTL, DTL, and 5 V CMOS. The UDN2981A, UDN2982A, UDN2982LW, and A2982SLW are electrically interchangeable, will withstand a maximum output off voltage of 50 V, and operate to a minimum of 5 V; the UDN2983A, UDN2984A, UDN2984LW, and A2984SLW drivers are electrically inter
changeable, will withstand an output voltage of 80 V, and operate to a minimum of 35 V. All devices in this series integrate input current limiting resistors and output transient suppression diodes, and are activated by an active high input.
FEATURES
■ TTL, DTL, PMOS, or CMOS Compatible Inputs
■ 500 mA Output Source Current Capability
■ Transient-Protected Outputs
■ Output Breakdown Voltage to 80 V
■ DIP or SOIC Packaging

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UDN2981A Specifications

Attribute	Attribute Value

Datasheet	Datasheet
3D Model	3D Model
Mounting Style	Through Hole
Number of Pins	18 Pin
Case/Package	DIP-18
Supply Voltage (DC)	5.00V (min)
Number of Outputs	8 Output
Output Voltage	50 V
Output Current	350 mA
Number of Channels	8 Channel
Polarity	NPN+PNP
Breakdown Voltage (Collector to Emitter)	50 V
Continuous Collector Current	0.5A
Output Current (Max)	500 mA
Supply Voltage	2.4.50 VDC
	Show
Operating Temperature	-20℃ ~ 85℃ (TA)
Product Lifecycle Status	Obsolete
Packaging	Tube
RoHS	Non-Compliant
Lead-Free Status	Contains Lead

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- Carefully inspected and packed by ManyChip warehouse
- Vacuum packaging
- Anti-static packaging
- Shockproof foam
The terms here are for reference only, the actual terms are subject to the sales quotation.
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