UMW ULN2803A
- Part No.:
- ULN2803A
- Manufacturer:
- UMW
- Package:
- 18-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
ULN2803A.pdf
- Description:
- SOP-18 DARLINGTON TRANSISTOR ARR
- Quantity:
- Payment:

- Shipping:

Inventory:1,706
Please send an inquiry. Send us your inquiry, and we will respond immediately.
ULN2803A Specifications
- Product attributes
- Attribute value
- Manufacturer:
- UMW
- Package/Case:
- 18-SOIC (0.295", 7.50mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Switch Type:
- -
- Number of Outputs:
- -
- Ratio - Input:Output:
- -
- Output Configuration:
- -
- Output Type:
- -
- Interface:
- -
- Voltage - Load:
- -
- Voltage - Supply (Vcc/Vdd):
- -
- Current - Output (Max):
- -
- Rds On (Typ):
- -
- Input Type:
- -
- Features:
- -
- Fault Protection:
- -
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 18-SOP
ULN2803A FAQ
1.How can I place an order for ULN2803A through Aetrix?
Please submit a Request for Quotation (RFQ) for ULN2803A on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ULN2803A reliable?
The price and inventory of ULN2803A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ULN2803A is usually 5 days.
3.What payment methods are accepted for ULN2803A?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ULN2803A transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ULN2803A?
ULN2803A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ULN2803A order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ULN2803A?
For technical support, including ULN2803A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ULN2803A requirements.
6.How does Aetrix verify that ULN2803A is sourced from the original manufacturer or authorized distributors?
All ULN2803A products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ULN2803A meets industry standards.
7.What is the process for return or replacement of ULN2803A?
All ULN2803A units undergo pre-shipment inspection (PSI). If there is an issue with ULN2803A, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ULN2803A part is unused and in its original packaging.
Return procedure for ULN2803A:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ULN2803A Tags

-
TPS22919DCKR
Texas Instruments

-
MIC2091-1YM5-TR
Microchip Technology

-
MIC2090-1YM5-TR
Microchip Technology

-
TPS22995RZFR
Texas Instruments

-
TPS22975DSGR
Texas Instruments

-
SIP32510DT-T1-GE3
Vishay Siliconix

-
ULN2003D1013TR
STMicroelectronics

-
MIC2005A-1YM5-TR
Microchip Technology

-
MIC2005A-1YM6-TR
Microchip Technology

-
TPS22916BYFPR
Texas Instruments

-
TPS22917DBVR
Texas Instruments
-
ULN2003APWR
Texas Instruments
Tech Hub
Engineering guide to high-current ASIC Vcore rails, covering 12-phase buck architecture, PMBus control, dynamic load testing, output capacitor networks, smart power stage selection, thermal design and …
Voltage regulator guide covering linear, LDO, 7805, Zener, adjustable, buck, VRM and alternator regulators, with design checks, testing methods, troubleshooting and datasheet-based selection.
Amplifier guide covering voltage, current and power amplification, gain, feedback, amplifier classes, audio and RF applications, op-amp circuits, transimpedance amplifiers, datasheet selection and trou…
Machine vision system guide covering components, inspection workflow, camera and lens selection, FOV, pixel resolution, motion blur, strobe lighting, bandwidth, 2D/3D vision, integration, troubleshooti…
Electronic devices and circuits guide covering passive components, semiconductors, analog and digital circuits, circuit theory, practical calculations, troubleshooting, datasheet selection, and learnin…
Oil pressure sensor diagnosis covering symptoms, location, testing, replacement, socket access, common failure cases, and the electronic signal path between the pressure sensor, wiring, ECU and gauge s…
MLCC ESR, impedance and self-resonant frequency in decoupling networks. Covers PDN behavior, frequency response, measurement methods, failure cases and practical capacitor selection for power integrity…
An actuator converts a control signal and energy source into mechanical motion. This guide explains actuator types, working principles, electric and linear actuators, automotive use cases, troubleshoot…
A potentiometer is a three-terminal adjustable resistor used for voltage division, analog control, calibration and signal adjustment. This guide explains wiring, symbols, types, 10k values, digital pot…
An FPGA is reconfigurable digital hardware used for custom logic, parallel processing, low-latency I/O and interface control. This guide explains FPGA meaning, architecture, boards, programming flow, a…

