BAS40./BAS140W is a silicon Schottky diode produced by ON Semiconductor. It is mainly used for high-voltage fast switching, circuit protection, voltage clamping, high-level detection and mixing.
The BAS40.../BAS140W series are general‑purpose silicon Schottky diodes intended for high‑speed switching, circuit protection, voltage clamping and high‑level detection. The document provides maximum ratings, electrical characteristics, and package details for each device variant.
Key specifications include reverse voltage, forward current, thermal resistance, and temperature ranges. Package outlines and marking information are also listed, along with permissible pulse load curves for various operating conditions.
| Maximum reverse voltage (V_R) | 40 V |
|---|---|
| Maximum forward current (I_F) | 120 mA |
| Peak surge forward current (I_SM) | 200 A (t < 10 ms) |
| Junction temperature (T_J) | 150 °C |
| Operating temperature range | -55 °C to 125 °C |
| Typical forward voltage at 1 mA | 250 mV |
| Diode capacitance (C_R) at 1 MHz | 3 pF |
The diodes can withstand a reverse voltage of up to 40 V.
The continuous forward current rating is 120 mA.
They operate from –55 °C up to 125 °C.