This document is a datasheet for the TOSHIBA 18V305 (also referenced as 1SV305), which is an 18V Variable Capacitance Diode of Silicon Epitaxial Planar Type. It features a small package and a high capacitance ratio.
The document provides maximum ratings including a reverse voltage of 10 V and a junction temperature of 125 °C. Electrical characteristics such as capacitance at various reverse voltages, capacitance ratio, and series resistance are listed with typical values.
| Reverse Voltage (VR) | 10 V |
|---|---|
| Junction Temperature (Tj) | 125 °C |
| Storage Temperature Range (Tstg) | -55~125 °C |
| Capacitance (Cjv) at VR=1V, f=1MHz | 17.3 pF |
| Capacitance (Cjv) at VR=4V, f=1MHz | 5.8 pF |
| Series Resistance (rg) at VR=1V, f=470MHz | 0.27 Ω |
The typical capacitance ratio (Cjv / Cjv) is 3.0.
The maximum junction temperature rating is 125 °C.