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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 1,316
Can ship immediately

Manufacturer Part Number


Description IC TX FSK 915MHZ 5.4V 16-TSSOP
Expanded Description RF Transmitter FSK, OOK 433MHz, 868MHz, 915MHz 8dBm 512kbps PCB, Surface Mount Antenna 16-TSSOP (0.173", 4.40mm Width)
Lead Free Status / RoHS Status Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL) 3 (168 Hours)
Documents & Media
Datasheets Si4021
Catalog Page 592 (UK2011-EN PDF)
Product Attributes Select All

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

03:10:13 3/25/2017

Price & Procurement

All prices are in GBP.
Price Break Unit Price Extended Price
1 2.34000 2.34
25 1.88400 47.10
100 1.71340 171.34
1,000 1.16935 1,169.35

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: 1.11250
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