EN
  • EN
  • DE
loading
Mfr. Part No. Qty. Price

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
SI4455-B1A-FM Silicon Labs
Same model may have multiple batches, images only for reference.

SI4455-B1A-FM

Part No SI4455-B1A-FM
Manufacturer Silicon Labs
Catalog RF Transceiver ICs
Description EASY-TO-USE, LOW-CURRENT OOK/(G)FSK SUB-GHZ TRANSCEIVER
Datasheet
SI4455-B1A-FM Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories RF/IF and RFID
Manufacturer Silicon Labs
Packaging Tray
Type TxRx + MCU
RF Family/Standard General ISM
Modulation FSK, GFSK, OOK
Frequency 283MHz ~ 960MHz
Data Rate (Maximum) 500kbps
Power - Output 13dBm (Maximum)
Sensitivity -116dBm
Serial Interfaces SPI
GPIO 4
Operating Supply Voltage 1.8 V ~ 3.6 V
Current - Receiving 10mA
Current - Transmitting 18mA ~ 30mA
Operating Temperature Range -40°C ~ 85°C
Package 20-VFQFN Exposed Pad
Win Source Part Number 1249086-SI4455-B1A-FM
Manufacturer Homepage www.silabs.com
Popularity Medium
Supply and Demand Status Limited
Family Name Si4455
Introduction Date July 10, 2012
ECCN 5A991.b
Country of Origin Taiwan
Halogen Free Compliant
Estimated EOL Date 2023
Ultra Librarian 3D Model Ultra Librarian SI4455-B1A-FM CAD Model

Description

The Si4455-B1A-FM is a TxRx + MCU electronic component manufactured by Silicon Labs.

  • Family/Standard: general ISM RF
  • Frequency Range: 283MHz to 960MHz
  • Operating Temperature: -40°C to 85°C
  • Supply Voltage: 1.8V to 3.6V
  • Package: 20-VFQFN Exposed Pad
  • Modulation: FSK, GFSK, OOK
  • Sensitivity: -116dBm
  • Output Power (Max): 13dBm
  • Data Rate: 500kbps
  • GPIO: 4
  • Popularity: medium
  • Supply and Demand: limited
  • EOL Date: 2023
  • Compliance: halogen-free

You May Also Be Interested in

ADF7021-VBCPZ-RL Analog Devices Inc.
ADF7021-VBCPZ-RL
Analog Devices Inc.
IC RF TXRX ISM<1GHZ 48LFCSP
Need more? Email Us
EFR32MG12P132F1024GL125-CR Silicon Labs
EFR32MG12P132F1024GL125-CR
Silicon Labs
IC RF TXRX+MCU 802.15.4 125BGA
Need more? Email Us
EFR32MG12P433F1024IL125-CR Silicon Labs
EFR32MG12P433F1024IL125-CR
Silicon Labs
IC RF TXRX+MCU 802.15.4 125BGA
Need more? Email Us
Picture of QCN-6402-0-DRQFN132-TR-01-0
QCN-6402-0-DRQFN132-TR-01-0
Qualcomm
IC RF
Need more? Email Us
STM32WLE5JCI6TR STMicroelectronics
STM32WLE5JCI6TR
STMicroelectronics
IC RF TXRX+MCU ISM<1GHZ 73UFBGA
Need more? Email Us
EFR32MG26B421F3200IM68-BR Silicon Labs
EFR32MG26B421F3200IM68-BR
Silicon Labs
MG26 3200K FLASH 512K RAM QFN68
Need more? Email Us
EFR32FG28A122F1024GM68-AR Silicon Labs
EFR32FG28A122F1024GM68-AR
Silicon Labs
IC RF TXRX+MCU BLE 68QFN
Need more? Email Us
Picture of NJJ29C2A5HN5/145Y
NJJ29C2A5HN5/145Y
NXP / Nexperia
Wireless RF Transceiver IC
Need more? Email Us
Picture of QCN-6412-0-DRQFN132-MT-01-0
QCN-6412-0-DRQFN132-MT-01-0
Qualcomm
IC RF
Need more? Email Us

Top Sellers

FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $13.3053
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $5.9399
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.4542
DRV8432DKD Real Image1
DRV8432DKD
Texas Instruments
IC BRIDGE DRIVER PAR 36HSSOP
Lowest to $19.3374
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
74HC595D,118 label picture
74HC595D,118
Nexperia USA Inc.
Counter Shift Registers 8-bit serial-in, serial or parallel-out shift register with output latches; 3 - state
Lowest to $0.1046
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $7.4300
NTA4153NT1G real image4110
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.0543
FT230XQ-R real image21397
FT230XQ-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16QFN
Lowest to $5.9399
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $3.9204
FT234XD-R real image
FT234XD-R
FTDI, Future Technology Devices International Ltd
USB-to-UART 1-CH 512byte FIFO 5V 12-Pin DFN EP T/R / IC USB SERIAL BASIC UART 12DFN
Lowest to $4.5143
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0357
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $5.4647
BM06B-GHS-TBT(LF)(SN)(N) Real Image2
BM06B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER SMD 6POS 1.25MM
Lowest to $0.4985
FT230XS-R real image4301
FT230XS-R
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.1775

Pricing & Ordering

Quantity Unit Price Ext. Price
35+ $1.5906 $55.6710
80+ $1.3051 $104.4080
120+ $1.2643 $151.7160
165+ $1.2235 $201.8775
215+ $1.1828 $254.3020
285+ $1.0604 $302.2140
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 5,000 pieces
MOQ: 35 pcs
Order Increment : 1 pcs
*Need More Quantity? *Request a Bulk Quantity Quotation?
Ordering Guidelines

Shipping Information

Shipped from HK warehouse
Expected Shipping Date
Ship today if order in (HKT)
Supplier Lead-Time Call for availability
Estimate shipping fee
Enter your destination to get a shipping estimate
Estimate Shipping Fee

Contact Us

*
*
*

FRAUD PREVENTION REMINDERS

Recently, We have discovered that criminals falsely claimed to be WIN SOURCE to commit fraud. Please note that the only official website & email suffix are win-source.group, win-source.net, winsourcectl.com and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2026 WIN SOURCE. All rights reserved.
For detailed contact information and office addresses in our key locations, including Irvine, Munich, Toronto, Singapore, Seoul, Bangalore, Bologna, Yamanashi, Hong Kong, and Mainland China, please visit our website.
Trust Guard Security Scanned
RFQ RFQ RFQ BOM BOM BOM API API API Sell Sell Sell your Excess