SI4455-B1A-FM is out of stock and can be placed on backorder.
Available Substitutes:
Similar

Image shown is a representation only. Exact specifications should be obtained from the product data sheet.
SI4455-B1A-FM | |
|---|---|
DigiKey Part Number | 336-2271-5-ND |
Manufacturer | |
Manufacturer Product Number | SI4455-B1A-FM |
Description | IC RF TXRX ISM<1GHZ 20QFN |
Customer Reference | |
Detailed Description | IC RF TxRx Only General ISM < 1GHz 283MHz ~ 960MHz 20-VFQFN Exposed Pad |
Datasheet | Datasheet |
Product Attributes
Filter Similar Products
Show Empty Attributes
Category | Sensitivity -116dBm |
Mfr | Serial Interfaces SPI |
Packaging Tray | GPIO 4 |
Part Status Not For New Designs | Voltage - Supply 1.8V ~ 3.6V |
DigiKey Programmable Not Verified | Current - Receiving 10mA |
Type TxRx Only | Current - Transmitting 18mA ~ 30mA |
RF Family/Standard General ISM < 1GHz | Operating Temperature -40°C ~ 85°C |
Modulation FSK, GFSK, OOK | Mounting Type Surface Mount |
Frequency | Package / Case 20-VFQFN Exposed Pad |
Data Rate (Max) 500kbps | Supplier Device Package 20-QFN (3x3) |
Power - Output 13dBm (Max) | Base Product Number |
Report Product Information Error
Documents & Media
Associated Products
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
| Part Number | Manufacturer | Quantity Available | DigiKey Part Number | Unit Price | Substitute Type |
|---|---|---|---|---|---|
| SI4455-C2A-GM | Silicon Labs | 1,182 | 336-3096-ND | $6.12000 | Similar |
In-Stock: 0
490 estimated in stock on 04-Dec-2026
Request Stock Notification
Quantity
All prices are in USD
Tray
| Quantity | Unit Price | Ext Price |
|---|---|---|
| 1 | $6.12000 | $6.12 |
| 10 | $5.19900 | $51.99 |
| 25 | $4.88720 | $122.18 |
| 100 | $4.46570 | $446.57 |
| 490 | $4.04673 | $1,982.90 |
| 980 | $3.88312 | $3,805.46 |
| 1,470 | $3.79231 | $5,574.70 |
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.


