This document is a datasheet for the Toshiba 1SV278K, a silicon epitaxial planar type variable capacitance diode designed for use in TV tuning units. The device features an excellent C-V characteristic with a typical high capacitance ratio of 6.5 and low series resistance.
The datasheet provides maximum ratings including a reverse voltage of 30V and a junction temperature of 125°C, along with detailed electrical characteristics such as reverse current and capacitance values at specific test conditions.
| Product Type | Variable Capacitance Diode |
|---|---|
| Reverse Voltage (VR) | 30 V |
| Peak Reverse Voltage (VRM) | 85 V |
| Junction Temperature (Tj) | 125 °C |
| Storage Temperature Range (Tstg) | -55~125 °C |
| Capacitance Ratio (Typ.) | 6.5 |
| Series Resistance (Typ.) | 0.40 Ω |
The typical high capacitance ratio (Coy / Cosy) is 6.5.
The maximum rated reverse voltage (VR) is 30V.