| PartNumber | BSS138K | BSS138K-13 | BSS138K-7 |
| Description | MOSFET 50V NCh Logic Level Enhancement Mode FET | MOSFET BSS Family SOT23 T&R 10K | MOSFET BSS Family SOT23 T&R 3K |
| Manufacturer | ON Semiconductor | Diodes Incorporated | Diodes Incorporated |
| Product Category | MOSFET | MOSFET | MOSFET |
| RoHS | Y | Y | Y |
| Technology | Si | Si | Si |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOT-23-3 | SOT-23-3 | SOT-23-3 |
| Number of Channels | 1 Channel | 1 Channel | 1 Channel |
| Transistor Polarity | N-Channel | N-Channel | N-Channel |
| Vds Drain Source Breakdown Voltage | 50 V | 50 V | 50 V |
| Id Continuous Drain Current | 220 mA | 310 mA | 310 mA |
| Rds On Drain Source Resistance | 2.5 Ohms | 3.5 Ohms | 3.5 Ohms |
| Qg Gate Charge | 2.4 nC | 0.95 nC | 0.95 nC |
| Minimum Operating Temperature | - 55 C | - 55 C | - 55 C |
| Maximum Operating Temperature | + 150 C | + 150 C | + 150 C |
| Pd Power Dissipation | 350 mW | 0.54 W | 0.54 W |
| Configuration | Single | Single | Single |
| Channel Mode | Enhancement | Enhancement | Enhancement |
| Packaging | Reel | Reel | Reel |
| Height | 1.2 mm | - | - |
| Length | 2.9 mm | - | - |
| Product | MOSFET Small Signal | - | - |
| Series | BSS138K | - | - |
| Transistor Type | 1 N-Channel | - | - |
| Type | N-Channel Logic Level Enhancement Mode Field Effect Transistor | - | - |
| Width | 1.3 mm | - | - |
| Brand | ON Semiconductor / Fairchild | Diodes Incorporated | Diodes Incorporated |
| Forward Transconductance Min | 200 mS | - | - |
| Product Type | MOSFET | MOSFET | MOSFET |
| Factory Pack Quantity | 3000 | 10000 | 3000 |
| Subcategory | MOSFETs | MOSFETs | MOSFETs |
| Typical Turn Off Delay Time | 60 ns | 13.8 ns | 13.8 ns |
| Typical Turn On Delay Time | 5 ns | 3.2 ns | 3.2 ns |
| Unit Weight | 0.000282 oz | 0.000317 oz | 0.000317 oz |
| Vgs th Gate Source Threshold Voltage | - | 500 mV | 500 mV |
| Vgs Gate Source Voltage | - | 20 V | 20 V |
| Fall Time | - | 7.6 ns | 7.6 ns |
| Rise Time | - | 2.5 ns | 2.5 ns |