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  • Not Recommended for New Design, minimums may apply. See Alternate Package or Substitute options.
Product Overview
Digi-Key Part Number 336-1622-5-ND
Quantity Available 1,208
Can ship immediately

Manufacturer Part Number


Description IC TX FSK 915MHZ 5.4V 16-TSSOP
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Detailed Description

RF Transmitter FSK, OOK 433MHz, 868MHz, 915MHz 8dBm 512kbps PCB, Surface Mount Antenna 16-TSSOP (0.173", 4.40mm Width)

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Datasheets Si4021
Design Resources Development Tool Selector
IoT Product Selector
Online Catalog Si4021
Product Attributes Select All
Manufacturer Silicon Labs
Series EZRadio®
Packaging ? Tube ?
Part Status Not For New Designs
Frequency 433MHz, 868MHz, 915MHz
Applications General Purpose
Modulation or Protocol FSK, OOK
Data Rate (Max) 512kbps
Power - Output 8dBm
Current - Transmitting 24mA
Data Interface PCB, Surface Mount
Antenna Connector PCB, Surface Mount
Memory Size -
Features -
Voltage - Supply 2.2 V ~ 5.4 V
Operating Temperature -40°C ~ 85°C
Package / Case 16-TSSOP (0.173", 4.40mm Width)
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Additional Resources
Standard Package ? 96
Other Names 336-1622-5

00:50:41 2/25/2018

Price & Procurement

All prices are in USD.
Price Break Unit Price Extended Price
1 3.98000 $3.98
25 3.19520 $79.88
100 2.91100 $291.10
1,000 1.98801 $1,988.01

Submit a request for quotation on quantities greater than those displayed.

Alternate Package | This part is also available in the following packaging:
  • Tape & Reel (TR) ? : SI4021-A1-FTR-ND
  • Minimum Quantity: 2,000  Non-Stock ?
  • Quantity Available: 0
  • Unit Price: $1.88860
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