For Reference Only
| Part Number | START405TR |
| Manufacturer | STMicroelectronics |
| Category | Discrete Semiconductor › Transistors - Bipolar (BJT) - RF |
| Description | RF TRANS NPN 4.5V SOT343 |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | START405TR 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: | START405TR |
| Brand: | STMicroelectronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Discrete Semiconductor |
| Subcategory: | Transistors - Bipolar (BJT) - RF |
| Manufacturer: | STMicroelectronics |
| Product Status: | Obsolete |
| Transistor Type: | NPN |
| Voltage - Collector Emitter Breakdown (Max): | 4.5V |
| Frequency - Transition: | - |
| Noise Figure (dB Typ @ f): | 1.1dB @ 1.8GHz |
| Gain: | 19dB |
| Power - Max: | 45mW |
| DC Current Gain (hFE) (Min) @ Ic, Vce: | 160 @ 5mA, 4V |
| Current - Collector (Ic) (Max): | 10mA |
| Operating Temperature: | - |
| Mounting Type: | Surface Mount |
| Package / Case: | SC-82A, SOT-343 |
| Supplier Device Package: | - |
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| In Stock | 45802 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 3000 | $0.31900 | $957 |
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
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