HRF-AT4521
6 www.honeywell.com/microwave
PACKAGE OUTLINE DRAWING
HALOGEN-FREE MATERIAL SET
The –FL attenuators have a halogen-free material set that can withstand a maximum soldering temperature of 260
O
C.
LEAD FINISH
The package leads are Nickel Palladium with a Gold and Silver flash (NiPdAu+Ag). The configuration being manufactured
and delivered today is lead-free and RoHS compliant. Plating thicknesses are listed below in microns (um).
Au Composition = 30% min to 70% max
LEAD FREE QFN SURFACE MOUNT APPLICATION
Please see Application Note AN310a for assembly process recommendations. The maximum soldering temperature of
the - FL is 260
o
C. Application Notes can be found at our website: www.honeywell.com/microwave
CIRCUIT APPLICATION INFORMATION
These attenuators require a DC reference to ground. They may not operate properly when AC coupled on both the RF
input and output without a DC ground reference provided as part of the circuit. See Application Note AN311.
Notes
1. Pin 1 identifier can be a combination or a dot and/or chamfer. A chamfer is on the bottom ground plane.
2. Dimensions are in millimeters.
