ULN2805A
TRANS 8NPN DARL 50V 0.5A 18DIPManufacturer: STMicroelectronics
Categories: Bipolar Transistor Arrays
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STMicroelectronics ULN2805A is an 8-channel NPN Darlington transistor array designed for high-current switching applications. This component features a 50V collector-emitter breakdown voltage and a maximum collector current of 500mA per channel. With a minimum DC current gain of 1000 @ 350mA, 2V, it offers significant current amplification. The saturation voltage is a maximum of 1.6V @ 500µA, 350mA, ensuring efficient switching. Packaged in an 18-DIP format, the ULN2805A is suitable for through-hole mounting and operates across a temperature range of -20°C to 150°C. Power dissipation is rated at 2.25W. This device finds application in relay drivers, hammer drivers, and lamp drivers within industrial automation and consumer electronics.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: TubeDownload Free CAD Model:
Technical Details:
| Packaging | Tube |
| Package / Case | 18-DIP (0.300"", 7.62mm) |
| Mounting Type | Through Hole |
| Transistor Type | 8 NPN Darlington |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Power - Max | 2.25W |
| Current - Collector (Ic) (Max) | 500mA |
| Voltage - Collector Emitter Breakdown (Max) | 50V |
| Vce Saturation (Max) @ Ib, Ic | 1.6V @ 500µA, 350mA |
| Current - Collector Cutoff (Max) | - |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 1000 @ 350mA, 2V |
| Frequency - Transition | - |
| Supplier Device Package | 18-DIP |
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