STMicroelectronics · Discrete semiconductors
ULN2805A
TRANS 8NPN DARL 50V 0.5A 18DIP
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ULN2805A specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | ULN2805A |
| Family | Discrete semiconductors |
| Package | 18-DIP (0.300", 7.62mm) |
| Product Status | Obsolete |
| Transistor Type | 8 NPN Darlington |
| Current - Collector (Ic) (Max) | 500mA |
| Voltage - Collector Emitter Breakdown (Max) | 50V |
| Vce Saturation (Max) @ Ib, Ic | 1.6V @ 500µA, 350mA |
| Current - Collector Cutoff (Max) | Not provided in source |
| DC Current Gain (hFE) (Min) @ Ic, Vce | 1000 @ 350mA, 2V |
| Power - Max | 2.25W |
| Frequency - Transition | Not provided in source |
| Operating Temperature | -20°C ~ 150°C (TJ) |
| Mounting Type | Through Hole |
| Package / Case | 18-DIP (0.300", 7.62mm) |
| Supplier Device Package | 18-DIP |
Documents and evidence
ULN2805A ↗Before sourcing ULN2805A
- Identify the firmware and board baseline
- Check flash, RAM and required peripherals
- Review pin assignment and supply limits
- Keep the full temperature and package suffix
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