STMicroelectronics · Discrete semiconductors
START405TR
RF TRANS NPN 4.5V SOT343
STM32-first sourcing with STMicroelectronics support components. Review recorded cores, flash, RAM, connectivity and package facts before moving an approved design into production.
Request this exact part →START405TR specifications
Recorded source facts. Missing values are kept explicit; verify the exact manufacturer document before design approval.
| Manufacturer | STMicroelectronics |
|---|---|
| Ordering code | START405TR |
| Family | Discrete semiconductors |
| Package | SC-82A, SOT-343 |
| Product Status | Obsolete |
| Transistor Type | NPN |
| Voltage - Collector Emitter Breakdown (Max) | 4.5V |
| Frequency - Transition | Not provided in source |
| 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 | Not provided in source |
| Mounting Type | Surface Mount |
| Package / Case | SC-82A, SOT-343 |
| Supplier Device Package | Not provided in source |
Documents and evidence
START405TR ↗Catalog sources
www.ic-components.com · START405TR ↗Source directory identity match; source detail pending. Specifications remain from existing catalog.
Before sourcing START405TR
- 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
Questions about START405TR
How do I request a current price?
Provide this full code, quantity, destination and arrival date. Budget estimates are conditional; final availability and price are confirmed by quotation.
Can a related record replace this device?
Related records aid discovery. Package, pinout, ratings, tooling and software require engineering approval before substitution.