| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
4,895 pcs
|
4895 pcs | On Request | 1 | On Request | On Request | 21+ | On Request | On Request |
| Category | |
| Manufacturer Name | |
| Approval Agency | |
| Current | |
| Current Consumption (TX) | |
| Current Consumption Rx (Typical) | |
| Data Rate (Max) | |
| Data Rate Max (Maximum) | |
| Frequency | |
| Frequency Range | |
| GPIO | |
| Max Output Power (Maximum) | |
| Modulation | |
| Mounting Type | |
| Operating Temperature | |
| Operating Voltage | |
| Power | |
| RF Family | |
| Receive Sensitivity | |
| Sensitivity | |
| Serial Interfaces | |
| Standby Current | |
| Supplier Device Package | |
| Tape & Reel | |
| Type | |
| Voltage |
The Silicon Labs SI4455-B1A-FM is an easy-to-use, low-current, sub-GHz transceiver IC designed for a variety of applications. It covers major frequency bands from 283MHz to 960MHz, combining plug-and-play simplicity with flexibility.
Key electrical specifications include a receive sensitivity of -116 dBm and a maximum output power of +13 dBm, enabling longer operating ranges. The device offers low power consumption with 10 mA RX, 18 mA TX (at +10 dBm), and a standby current of 50 nA, contributing to superior battery life. It supports modulation types such as FSK, GFSK, and OOK, with a maximum data rate of 500 kbps.
This transceiver IC operates within a power supply range of 1.8V to 3.6V and features SPI serial interfaces. It is housed in a compact 20-VFQFN exposed pad package, measuring 3x3 mm, and supports surface mount installation. The operating temperature range is -40°C to 85°C.
The Si4455 is designed to support major worldwide regulatory standards, making it suitable for applications like remote control, home security, telemetry, and industrial control.
| Qty | Low | High |
|---|---|---|
| 1+ | $3.43 | $3.43 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The operating frequency range is 283MHz to 960MHz.
The maximum output power is +13 dBm.
The receive sensitivity is -116 dBm.
Supported modulation types include FSK, GFSK, and OOK.
The maximum data rate is 500 kbps.
The operating voltage range is 1.8V to 3.6V.
The package type is 20-VFQFN Exposed Pad.