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ULQ2804A The STMicroelectronics ULQ2804A is an 8 NPN Darlington transistor array designed for 50V operation with a 500mA current capability. It is available in a through-hole package.
Mfr Part #:

ULQ2804A

Available from 2 distributors
Mfr Name: STMicroelectronics
STMicroelectronics
The STMicroelectronics ULQ2804A is an 8 NPN Darlington transistor array designed for 50V operation with a 500mA current capability. It is available in a through-hole package.
✓ Total Stock: 1,253 pcs
$ Price Range: $0.99

ULQ2804A Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Fe Components ✓
Non-Authorised Inventory information
1,000 pcs
On Request
1000 pcs On Request 1 On Request On Request On Request On Request On Request
MW.FEP S.p.A. ✓
Non-Authorised Inventory information
253 pcs
On Request
253 pcs On Request 1 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.

ULQ2804A Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Lead Spacing
Lead Style
Mounting Type
Operating Temperature
Power
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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ULQ2804A Description

Short technical summary and product information.

The STMicroelectronics ULQ2804A is an 8 NPN Darlington transistor array, suitable for various switching applications. This component operates at a voltage of 50V and can handle a current of 500mA.

 

Key electrical characteristics include a minimum DC current gain (hFE) of 1000 at 350mA and 2V, and a Vce saturation of 1.6V maximum at 500µA and 350mA. The device has a power rating of 2.25W and an operating temperature range of -40°C to 105°C.

 

The ULQ2804A is packaged in an 18-DIP format with a through-hole mounting type, making it suitable for breadboarding and through-hole PCB assembly. The supplier device package is also listed as 18-DIP.

ULQ2804A Quick Information

Product Type: Transistor Array
Canonical Name: STMicroelectronics ULQ2804A 8 NPN Darlington Transistor Array
Subcategory: Transistors

ULQ2804A Compliance

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

ULQ2804A Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

ULQ2804A Features

  • 8 NPN Darlington transistor array.
  • Rated for 50V operation.
  • Handles 500mA continuous current.
  • Through-hole mounting in 18-DIP package.
  • Wide operating temperature range.

ULQ2804A Applications

  • Driving relays and solenoids.
  • Switching inductive loads like motors.
  • Interfacing logic signals to high-current loads.
  • Lamp and LED driver circuits.
  • Stepper motor driver stages.

ULQ2804A FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the ULQ2804A?

The maximum collector-emitter voltage is 50V.

What is the maximum continuous collector current per channel?

The maximum continuous collector current is 500mA per channel.

What is the package type of the ULQ2804A?

The ULQ2804A is available in an 18-DIP (0.300", 7.62mm) through-hole package.

What is the operating temperature range?

The operating temperature range is -40°C to 105°C.

What is the minimum DC current gain (hFE) of the ULQ2804A?

The minimum DC current gain is 1000 at 350mA collector current and 2V collector-emitter voltage.

What is the maximum power dissipation of the ULQ2804A?

The maximum power dissipation is 2.25W.

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