The 1N4148WS / BAV16WS is a surface-mount fast switching diode designed for general-purpose switching applications. It features a small surface-mount package, fast switching speed, and is available in a totally lead-free and fully RoHS compliant configuration. The "Green" device is halogen and antimony free. The 1N4148WSQ variant is AEC-Q101 qualified, PPAP capable, and manufactured in IATF16949 certified facilities, making it suitable for automotive applications.
| Characteristic | Symbol | 1N4148WS / BAV16WS | Unit | Test Condition |
| Non-Repetitive Peak Reverse Voltage | VRM | 100 | V | |
| Peak Repetitive Reverse Voltage / Working Peak Reverse Voltage / DC Blocking Voltage | VRRM / VRWM / VR | 75 | V | |
| RMS Reverse Voltage | VR(RMS) | 53 | V | |
| Forward Continuous Current | IFM | 300 | mA | |
| Average Rectified Output Current | IO | 150 | mA | |
| Non-Repetitive Peak Forward Surge Current (@ t = 1.0s) | IFSM | 2.0 | A | |
| Non-Repetitive Peak Forward Surge Current (@ t = 1.0s) | IFSM | 1.0 | A | |
| Power Dissipation | PD | 200 | mW | Note 6 |
| Thermal Resistance Junction to Ambient Air | RJA | 625 | C/W | Note 6 |
| Operating and Storage Temperature Range | TJ , TSTG | -55 to +150 | C | |
| Reverse Breakdown Voltage | V(BR)R | 75 | V | IR = 1.0A, Note 5 |
| Forward Voltage | VFM | 0.715 - 1.25 | V | IF = 1.0mA to 150mA |
| Peak Reverse Current | IRM | 1.0 - 50 | A | VR = 75V, TJ = +25C to +150C |
| Total Capacitance | CT | 2.0 | pF | VR = 0, f = 1.0MHz |
| Reverse Recovery Time | tRR | 4.0 | ns | IF = IR = 10mA, IRR= 0.1 x IR, RL = 100 |