DESCRIPTION
The ultraminiature RF300and RF303 relays are designed to
provide improved RF signal switching repeatability over the
frequency range. These relays are engineered for use in RF
attenuator, RF switch matrices, ATE and other applications
that require dependable high frequency signal fidelity and
performance.

The RF300 and RF303 features:
• High repeatability
• Broader bandwidth
• Metal enclosure for EMI shielding
• High isolation between control and signal paths
• High resistance to ESD
The following unique construction features and manufacturing
techniques provide excellent
robustness to environmental extremes and overall high
reliability:
• Uniframe motor design provides high magnetic efficiency
and mechanical rigidity
• Minimum mass components and welded construction
provide maximum resistance to shock and vibration
• Advanced cleaning techniques provide maximum assurance
of internal cleanliness
• Hermetically sealed
• Solder Dipped Leads, (RoHS compliant solder option
available)
The Series RF300D/RF303D and RF300DD/RF303DD
relays have internal discrete silicon diodes for coil
suppression and polarity reversal protection. This
hybrid package reduces required PC board floor
space by reducing the number of external components
needed to drive the relay.