Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com

200066L • Skyworks Proprietary Information • Products and Product Information are Subject to Change Without Notice • August 7, 2015

1

DATA SHEET

SMV1281 Series: Hyperabrupt Junction Tuning Varactors

Applications

 Wideband VCOs

 High-volume, low-cost systems

Features

 High tuning ratio

 Packages rated MSL1, 260 °C per JEDEC J-STD-020

all applicable legislation and are halogen-free.

For additional information, refer to Skyworks

SQ04–0074.

Description

The SMV1281 series of surface mount hyperabrupt junction

varactor diodes are designed for very high capacitance tuning

ratios with a low series resistance, which makes these devices

especially attractive for wideband Voltage-Controlled Oscillator

(VCO) applications.

Table 1 describes the packages and markings of the SMV1281

varactors.

Table 1. Packaging and Marking

Single

Single

SC-79

SOD-323

SMV1281-079LF

Marking: Cathode and YC

SMV1281-011LF

Marking: HP

The Pb-free symbol or “LF” in the part number denotes a lead-free, RoHS-

compliant package unless otherwise noted as Green™. Tin/lead (Sn/Pb)

packaging is not recommended for new designs.