Switching Diode
A diode designed to rapidly switch between conducting and non-conducting states using the capacitance effect of the PN junction.
Features:
○ Extremely short reverse recovery time (trr) (in the nanosecond range), ideal for high-frequency switching.
○ Low forward voltage drop, minimizing power loss.
Applications:
○ Signal switching in digital circuits (e.g., logic gates, counters).
○ High-frequency oscillator circuits and pulse modulation systems.
| Part Number | Package | DC Reverse Voltage | Forward Current | Non-Repetitive Peak Forward Surge Current |
Reverse Current | Forward Voltage | Power Dissipation | Marking |
| VR(V) | IF(mA) | IFSM(A) | IR(µA) | VF(V) | PD(mW) | |||
| 1N4148W | SOD-123 | 100 | 300 | 2 | 1 | 1.25 | 350 | T4 |
| 1N4148WS | SOD-323 | 100 | 300 | 2 | 1 | 1.25 | 200 | T4 |
| 1N4148WT | SOD-523 | 75 | 300 | 2 | 1 | 1.25 | 150 | T4 |
| 1N4448W | SOD-123 | 75 | 500 | 2 | 2.5 | 1.25 | 500 | T5 |
| 1N4448WS | SOD-323 | 75 | 500 | 2 | 2.5 | 1.25 | 200 | T5 |
| 1SS181 | SOT-23 | 85 | 300 | 2 | 0.5 | 1.2 | 150 | A3 |
| 1SS184 | SOT-23 | 85 | 300 | 2 | 0.5 | 1.2 | 150 | B3 |
| 1SS187 | SOT-23 | 85 | 300 | 2 | 0.5 | 1.2 | 150 | D3 |
| 1SS355 | SOD-323 | 80 | 100 | 2 | 0.1 | 1.2 | 200 | A |
| 1SS400 | SOD-523 | 80 | 225 | 2 | 0.1 | 1.2 | 150 | A |
| BAS16 | SOT-23 | 75 | 300 | 2 | 1 | 1.25 | 225 | A6 |
| BAS21 | SOT-23 | 250 | 400 | 2.5 | 0.1 | 1 | 225 | JS |
| BAS21A | SOT-23 | 250 | 400 | 2.5 | 0.1 | 1 | 225 | JS2 |
| BAS21C | SOT-23 | 250 | 400 | 2.5 | 0.1 | 1 | 225 | JS3 |
| BAS21S | SOT-23 | 250 | 400 | 2.5 | 0.1 | 1 | 225 | JS4 |
| BAS21H | SOD-323 | 250 | 400 | 2.5 | 0.1 | 1 | 225 | JS3 |
| BAS516 | SOD-523 | 100 | 200 | 2 | 0.5 | 0.85 | 225 | |
| BAV23 | SOT-23 | 250 | 225 | 1.7 | 0.1 | 1.25 | 350 | L30 |
| BAV23A | SOT-23 | 250 | 225 | 1.7 | 0.1 | 1.25 | 350 | |
| BAV23C | SOT-23 | 250 | 225 | 1.7 | 0.1 | 1.25 | 350 | |
| BAV23S | SOT-23 | 250 | 225 | 1.7 | 0.1 | 1.25 | 350 | |
| BAS316 | SOD-323 | 130 | 215 | 2 | 0.005 | 1.1 | 250 | XX |
| BAV70 | SOT-23 | 70 | 200 | 2 | 2.5 | 1.25 | 225 | A4 |
| BAV99 | SOT-23 | 70 | 200 | 2 | 2.5 | 1.25 | 225 | A7 |
| BAV99D | SOT-23 | 70 | 200 | 2 | 2.5 | 1.25 | 225 | A7 |
| BAV99W | SOT-323 | 75 | 150 | 2 | 2.5 | 1.25 | 200 | KJG |
| BAV99DW | SOT-363 | 75 | 150 | 2 | 2.5 | 1.25 | 200 | KJG |
| BAW56 | SOT-23 | 70 | 200 | 2 | 2.5 | 1.25 | 225 | A1 |
| LL4148 | LL-34 | 100 | 150 | 0.5 | 5 | 1 | 500 | – |
| MMBD4148 | SOT-23 | 100 | 300 | 2 | 2.5 | 1 | 350 | KA2 |
| MMBD4148A | SOT-23 | 75 | 300 | 2 | 5 | 1 | 350 | 5H |
| MMBD4148CA | SOT-23 | 75 | 300 | 2 | 5 | 1 | 350 | D6 |
| MMBD4148CC | SOT-23 | 75 | 300 | 2 | 5 | 1 | 350 | D5 |
| MMBD4148SE | SOT-23 | 75 | 300 | 2 | 5 | 1 | 350 | D4 |
| MMBD4448 | SOT-23 | 75 | 500 | 2 | 2.5 | 1 | 350 | KA3 |
| MMBD914 | SOT-23 | 100 | 300 | 2 | 1 | 1.25 | 350 | 5D |
| MCR100-8 | SOT-23 | 800 | 600 | 6 |
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