For Reference Only
| Part Number | FMB857B |
| LIXINC Part # | FMB857B |
| Manufacturer | Rochester Electronics |
| Category | Discrete Semiconductor › Transistors - Bipolar (BJT) - Single |
| Description | TRANS PNP 45V 500MA 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 | Jan 24 - Jan 28 2026(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment |
|
| Shipping | ![]() |
| Part Number: | FMB857B |
| Brand: | Rochester Electronics |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Discrete Semiconductor |
| Subcategory: | Transistors - Bipolar (BJT) - Single |
| Manufacturer: | Rochester Electronics |
| Series: | - |
| Package: | Bulk |
| Part 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 |
| FMMT722TA | TRANS PNP 70V 1.5A SOT23-3 | 56453 More on Order |
|
| KST06MTF | 0.5A, 80V, NPN | 1837 More on Order |
|
| NTE28 | TRANS PNP 45V 60A TO36 | 950 More on Order |
|
| BCX56-16TX | BCX56-16T/SOT89/MPT3 | 1336 More on Order |
|
| BC637G | TRANS NPN 60V 1A TO92-3 | 118631 More on Order |
|
| MPS4124RLRAG | TRANS NPN 25V 200MA TO92-3 | 165192 More on Order |
|
| D42C11X | 3A NPN POWER TRANSISTOR | 4125 More on Order |
|
| MJ4502G | TRANS PNP 100V 30A TO204 | 1074 More on Order |
|
| DCP56-16-13 | TRANS NPN 80V 1A SOT-223 | 931 More on Order |
|
| 2SB1700 | POWER BIPOLAR TRANSISTOR, PNP | 1981 More on Order |
|
| TTC1949-GR,LF | NPN TRANSISTOR VCEO50V IC0.5A HF | 6918 More on Order |
|
| BD680AS | POWER BIPOLAR TRANSISTOR, 4A I(C | 2979 More on Order |
|
| TIP126G | TRANS PNP DARL 80V 5A TO220AB | 1238 More on Order |
| In Stock | 13849 - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
Warm Tips: Please fill out the form below. We will contact you as soon as possible.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.22000 | $0.22 |
Lixinc will offer the most competitive prices for you, please refer to the quotations.
Please feel free to contact us for details.