For Reference Only
| Part Number | FMB857B |
| Manufacturer | Linear Technology |
| Category | Discrete Semiconductor › Transistors - Bipolar (BJT) - Single |
| Description | TRANS PNP 45V 0.5A SUPERSOT-6 |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | FMB857B PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 15 - Dec 19 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | FMB857B |
| Brand: | Linear Technology |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Discrete Semiconductor |
| Subcategory: | Transistors - Bipolar (BJT) - Single |
| Manufacturer: | Linear Technology |
| Product Status: | Obsolete |
| Transistor Type: | PNP |
| Current - Collector (Ic) (Max): | 500 mA |
| Voltage - Collector Emitter Breakdown (Max): | 45 V |
| Vce Saturation (Max) @ Ib, Ic: | 650mV @ 5mA, 100mA |
| Current - Collector Cutoff (Max): | 15nA (ICBO) |
| DC Current Gain (hFE) (Min) @ Ic, Vce: | 220 @ 2mA, 5V |
| Power - Max: | 700 mW |
| Frequency - Transition: | - |
| Operating Temperature: | -55°C ~ 150°C (TJ) |
| Mounting Type: | Surface Mount |
| Package / Case: | SOT-23-6 Thin, TSOT-23-6 |
| Supplier Device Package: | SuperSOT™-6 |
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| In Stock | 45622 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.22000 | $0.22 |
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.