SI4021-A1-FT1R is Obsolete and no longer manufactured.
Available Substitutes:

MFR Recommended

SI4055-C2A-GMR
Silicon Labs
In Stock: 0
Unit Price: $2.17614
Datasheet
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SI4322-A0-FTR
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SI4021-A1-FT1R

DigiKey Part Number
SI4021-A1-FT1R-ND - Tape & Reel (TR)
Manufacturer
Silicon Labs
Manufacturer Product Number
SI4021-A1-FT1R
Description
RF TX IC FSK 433/868MHZ 16TSSOP
Customer Reference
Detailed Description
RF Transmitter Antenna 16-TSSOP (0.173", 4.40mm Width)
Datasheet
 Datasheet
Product Attributes
Type
Description
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Category
Manufacturer
Silicon Labs
Series
EZRadio®
Packaging
Tape & Reel (TR)
Part Status
Obsolete
DigiKey Programmable
Not Verified
Mounting Type
Surface Mount
Package / Case
16-TSSOP (0.173", 4.40mm Width)
Supplier Device Package
16-TSSOP
Base Product Number
SI4021
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Obsolete
This product is no longer manufactured. View Substitutes or Alternative Package Types