DistyParts Icon
ULN2803ADWR The Texas Instruments ULN2803ADWR is an 8-channel NPN Darlington transistor array designed for high-voltage and high-current applications. It features 50V outputs and a 500mA collector current rating per output.
Mfr Part #:

ULN2803ADWR

Available from 11 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments ULN2803ADWR is an 8-channel NPN Darlington transistor array designed for high-voltage and high-current applications. It features 50V outputs and a 500mA collector current rating per output.
✓ Total Stock: 43,744 pcs
$ Price Range: $0.99

ULN2803ADWR Available from 11 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
20,000 pcs
On Request
20000 pcs On Request 1 On Request On Request 21+ On Request On Request
Mufeng Electronics ✓
Non-Authorised Inventory information
12,000 pcs
On Request
12000 pcs On Request 1 On Request On Request 22+ On Request On Request
PROSOFT ELECTRONICS ✓
Non-Authorised Inventory information
3,630 pcs
On Request
3630 pcs On Request 1 On Request On Request 23+ On Request On Request
Spartce Electronics. ✓
Non-Authorised Inventory information
2,800 pcs
On Request
2800 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
2,764 pcs
On Request
2764 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
2,344 pcs
On Request
2344 pcs On Request 1 On Request On Request 21+ On Request On Request
Braun Electronic Components ✓
Non-Authorised Inventory information
130 pcs
On Request
130 pcs On Request 1 On Request On Request On Request On Request On Request
Trace Tec ✓
Non-Authorised Inventory information
32 pcs
On Request
32 pcs On Request 1 On Request On Request On Request On Request On Request
Components Technology Group, Inc. ✓
Non-Authorised Inventory information
28 pcs
On Request
28 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
16 pcs
On Request
16 pcs On Request 1 On Request On Request On Request On Request On Request
Fe Components ✓
Non-Authorised Inventory information
On Request
On Request
On Request On Request 60 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ULN2803ADWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Delay Time
Mounting Type
Operating Temperature
Output Current
Output Voltage
Supplier Device Package
Supplier Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
View Similar Products (0)

ULN2803ADWR Description

Short technical summary and product information.

The Texas Instruments ULN2803ADWR is a high-voltage, high-current Darlington transistor array. It comprises eight NPN Darlington pairs, each capable of handling 500mA collector current and featuring 50V outputs with integrated common-cathode clamp diodes for switching inductive loads.

 

This device is suitable for various applications including relay drivers, hammer drivers, lamp drivers, and display drivers. The ULN2803ADWR includes a 2.7kΩ series base resistor for each Darlington pair, enabling direct operation with TTL or 5V CMOS logic devices.

 

The ULN2803ADWR is supplied in an 18-SOIC surface-mount package with dimensions of 11.50mm x 7.50mm. Its operating temperature range is -40°C to 85°C.

 

Key electrical characteristics include a maximum output voltage of 50V, a maximum collector current of 500mA per output, and a Vce saturation of 1.6V at 350mA. The typical delay time is 130ns.

ULN2803ADWR Quick Information

Product Type: Darlington Transistor Array
Series: ULN2803
Canonical Name: Texas Instruments ULN2803A Darlington Transistor Array
Subcategory: Darlington Arrays

ULN2803ADWR Compliance

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

ULN2803ADWR Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

ULN2803ADWR Features

  • Eight NPN Darlington transistor pairs.
  • 50V high-voltage outputs.
  • 500mA rated collector current per output.
  • Integrated output clamp diodes.
  • 18-SOIC surface mount package.

ULN2803ADWR Applications

  • Ideal for relay driver applications.
  • Suitable for hammer driver circuits.
  • Used in lamp driver designs.
  • Applicable for LED display drivers.
  • Functions as logic buffers.

ULN2803ADWR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum output voltage of the ULN2803ADWR?

The maximum output voltage is 50V.

What is the maximum output current per channel?

The maximum output current per channel is 500mA.

What is the operating temperature range?

The operating temperature range is -40°C to 85°C.

What package is the ULN2803ADWR available in?

The ULN2803ADWR is available in an 18-SOIC surface-mount package.

Is the ULN2803ADWR compatible with TTL logic?

Yes, the ULN2803ADWR is compatible with both CMOS and TTL logic levels.

What is the typical delay time of the ULN2803ADWR?

The typical delay time is 130ns.

Home
Account

Categories