Small Signal Switching Diodes
A Small Signal Switching Diode is a semiconductor device engineered for low-voltage, low-current logic circuits. Its core functions include high-speed switching (nanosecond-level) of weak signals (typically ≤100 mA) and rectification. By minimizing junction area, it achieves ultra-low capacitance (pF-level) and extremely short reverse recovery times (as low as 6 ns), making it ideal for precision digital circuits or high-frequency signal processing.
Comparison vs. Rectifier Diodes:
|
Characteristic |
Small Signal Switching Diodes |
Rectifier Diodes |
|
Operating Current |
0.15–0.5 A |
≥0.5 A |
|
Voltage Rating |
80–200 V |
200–1000 V |
|
Reverse Recovery Time |
<6 ns (e.g., BAV99) |
>100 ns |
|
Primary Application |
Logic switching, signal detection |
AC/DC conversion |
Part Number
Package
VBR(V)
IF(mA)
VF(V)
@IF(mA)
IRM(μA)
@VR(V)
Trr(ns)