The SMV1135-011 is a high tuning ratio, low series resistance, SOD-323 plastic package surface mount varactor diode from Alpha Industries, Inc. It is designed for wideband VCO applications.
The SMV1135-011 is a surface‑mount varactor diode in an SOD‑323 plastic package, designed for high capacitance tuning ratio and low series resistance, making it suitable for wideband VCO applications. The datasheet provides detailed electrical characteristics, physical dimensions, and typical performance curves.
Key specifications include forward current, power dissipation, temperature ranges, reverse current, capacitance values, series resistance, and breakdown voltage. Graphs illustrate resistance, capacitance, and their temperature dependence, while a SPICE model is also supplied.
| Forward Current (IF) | 20 mA |
|---|---|
| Power Dissipation (PD) | 250 mW |
| Storage Temperature (TST) | -55°C to +150°C |
| Operating Temperature (TOP) | -55°C to +125°C |
| Reverse Current (IR) at VR=21V | 20.00 nA |
| Capacitance at 1 V | 8.20 – 10.00 pF |
| Capacitance Ratio (C_T(1V)/C_T(3V)) | 1.47 – 1.76 |
| Series Resistance (RS) at 1 V, 500 MHz | 1.20 Ω |
| Breakdown Voltage (VBR) | 28 V |
It is supplied in an SOD‑323 surface‑mount plastic package.
The typical forward current is 20 mA.
The reverse current is 20.00 nA.
It can be stored from –55 °C to +150 °C and operated from –55 °C to +125 °C.