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UDN2540B The UDN2540B is a quad Darlington power driver from N-A. It interfaces low-level signals with power loads, offering up to 50V output voltage and 1.8A continuous current per channel.
Mfr Part #:

UDN2540B

Available from 1 distributors
Mfr Name: N-A
N-A
The UDN2540B is a quad Darlington power driver from N-A. It interfaces low-level signals with power loads, offering up to 50V output voltage and 1.8A continuous current per channel.
✓ Total Stock: 27 pcs
$ Price Range: $2.27

UDN2540B Available from 1 distributor

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✓ Non-Authorised
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27 pcs
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UDN2540B Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Input Voltage
Mounting Type
Operating Temperature
Output Voltage
Storage Temperature
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UDN2540B Description

Short technical summary and product information.

The UDN2540B is a quad Darlington power driver designed to interface low-level signal processing circuits with power loads. It features four independent outputs, each capable of sinking up to 1.8A continuously with peak currents up to 2.5A. The outputs have a minimum breakdown and sustaining voltage of 50V. The device includes internal flyback/clamp diodes for switching inductive loads.

 

Logic inputs are compatible with TTL and 5V CMOS logic systems. Typical applications include driving print heads, relays, solenoids, and DC stepping motors. It can also be used for high-current incandescent lamps, LEDs, and heaters. The UDN2540B is supplied in a 16-pin batwing power DIP package suitable for through-hole mounting.

 

Key electrical specifications include a maximum output voltage of 50V and a continuous output current of 1.8A. The logic supply voltage and input voltage are rated up to 7V. The operating temperature range is -20°C to +85°C.

UDN2540B Quick Information

Product Type: Quad Darlington Power Driver
Canonical Name: Quad Darlington Power Driver
Subcategory: Quad Darlington

UDN2540B Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

UDN2540B Estimated Pricing

Qty Low High
1+ $2.27 $2.27

Estimated market price range - modelled values for guidance only, not live distributor offers.

UDN2540B Features

  • Quad Darlington power driver.
  • 50V maximum output voltage.
  • 1.8A continuous output current.
  • TTL and 5V CMOS compatible inputs.
  • Integral transient-suppression diodes.

UDN2540B Applications

  • Driving print heads and relays.
  • Controlling solenoids and motors.
  • Powering incandescent lamps.
  • Driving high-current LEDs.

UDN2540B FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum output voltage for the UDN2540B?

The UDN2540B has a maximum output voltage of 50V.

What is the continuous output current per channel?

The continuous output current per channel is 1.8A.

What logic families are compatible with the UDN2540B inputs?

The logic inputs are compatible with TTL and 5V CMOS logic systems.

What is the operating temperature range?

The operating temperature range is -20°C to +85°C.

What package is the UDN2540B supplied in?

The UDN2540B is supplied in a 16-pin batwing power DIP package.

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