Silicon Labs SI4021-A1-FTR
- Part No.:
- SI4021-A1-FTR
- Manufacturer:
- Silicon Labs
- Category:
- RF Transmitters
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
SI4021-A1-FTR.pdf
- Description:
- RF TX IC FSK 433/868MHZ 16TSSOP
- Quantity:
- Payment:

- Shipping:

Inventory:4,002
Please send an inquiry. Send us your inquiry, and we will respond immediately.
SI4021-A1-FTR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Silicon Labs
- Series:
- EZRadio®
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Programmable:
- Not Verified
- 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:
- 2.2V ~ 5.4V
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
SI4021-A1-FTR FAQ
1.How can I place an order for SI4021-A1-FTR through Aetrix?
Please submit a Request for Quotation (RFQ) for SI4021-A1-FTR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for SI4021-A1-FTR reliable?
The price and inventory of SI4021-A1-FTR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SI4021-A1-FTR is usually 5 days.
3.What payment methods are accepted for SI4021-A1-FTR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SI4021-A1-FTR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for SI4021-A1-FTR?
SI4021-A1-FTR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SI4021-A1-FTR order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for SI4021-A1-FTR?
For technical support, including SI4021-A1-FTR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SI4021-A1-FTR requirements.
6.How does Aetrix verify that SI4021-A1-FTR is sourced from the original manufacturer or authorized distributors?
All SI4021-A1-FTR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that SI4021-A1-FTR meets industry standards.
7.What is the process for return or replacement of SI4021-A1-FTR?
All SI4021-A1-FTR units undergo pre-shipment inspection (PSI). If there is an issue with SI4021-A1-FTR, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The SI4021-A1-FTR part is unused and in its original packaging.
Return procedure for SI4021-A1-FTR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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