For Reference Only
| Part Number | L6221AD |
| Manufacturer | STMicroelectronics |
| Category | Discrete Semiconductor › Transistors - Bipolar (BJT) - Arrays |
| Description | TRANS 4NPN DARL 50V 1.8A 20SOIC |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | L6221AD PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 07 - Dec 11 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | L6221AD |
| Brand: | STMicroelectronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Discrete Semiconductor |
| Subcategory: | Transistors - Bipolar (BJT) - Arrays |
| Manufacturer: | STMicroelectronics |
| Product Status: | Obsolete |
| Transistor Type: | 4 NPN Darlington (Quad) |
| Current - Collector (Ic) (Max): | 1.8A |
| Voltage - Collector Emitter Breakdown (Max): | 50V |
| Vce Saturation (Max) @ Ib, Ic: | 1.6V @ 1.8A |
| Current - Collector Cutoff (Max): | - |
| DC Current Gain (hFE) (Min) @ Ic, Vce: | - |
| Power - Max: | 1W |
| Frequency - Transition: | - |
| Operating Temperature: | -40°C ~ 150°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package: | 20-SO |
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| In Stock | 40837 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1000 | $2.45000 | $2450 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.