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

No items in the cart

View Cart
SI4432-B1-FMR Silicon Labs SI4432-B1-FMR label picture SI4432-B1-FMR real image SI4432-B1-FMR label picture
Same model may have multiple batches, images only for reference.
SI4432-B1-FMR Silicon Labs SI4432-B1-FMR label picture SI4432-B1-FMR real image SI4432-B1-FMR label picture
SI4432-B1-FMR Silicon Labs SI4432-B1-FMR label picture SI4432-B1-FMR real image SI4432-B1-FMR label picture
Same model may have multiple batches, images only for reference.

SI4432-B1-FMR

Part No SI4432-B1-FMR
Manufacturer Silicon Labs
Catalog RF Transceiver ICs
Description IC RF TXRX ISM
Datasheet
SI4432-B1-FMR Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories RF/IF and RFID
Manufacturer Silicon Labs
Packaging Reel - TR
Status Not For New Designs
Type TxRx Only
RF Family/Standard General ISM
Modulation FSK, GFSK, OOK
Frequency 240MHz to 930MHz
Data Rate (Max) 256kbps
Power - Output 20dBm (Max)
Sensitivity -121dBm
Serial Interfaces SPI
GPIO 3
Supply Voltage - Operating 1.8 V to 3.6 V
Current - Receiving 18.5mA
Current - Transmitting 85mA
Temperature Range - Operating -40°C to 85°C
Dimension 20-VFQFN Exposed Pad
Win Source Part Number 089779-SI4432-B1-FMR
Family Name Si4432
Introduction Date July 24, 2008
ECCN 5A991.b
Country of Origin Malaysia
Halogen Free Compliant
Estimated EOL Date 2019
Is this a common-used part? Yes
Popularity High
Supply and Demand Status Sufficient
Application Field Used in Industrial, Power Management
Ultra Librarian 3D Model Ultra Librarian SI4432-B1-FMR CAD Model

Description

The Silicon Labs SI4432-B1-FMR is a TxRx Only electronic component designed for General ISM RF family/standard.

  • Popularity: high
  • Supply and Demand Status: sufficient
  • Win Source Part Number: 089779-SI4432-B1-FMR
  • Frequency Range: 240MHz to 930MHz
  • Maximum Output Power: 20dBm
  • Modulation Protocols: FSK, GFSK, and OOK
  • Serial Interface: SPI
  • GPIO: 3
  • Usage: industrial power management

You May Also Be Interested in

K32W041AMZ NXP USA Inc.
K32W041AMZ
NXP / Nexperia
IC RF TXRX+MCU 802.15.4 40HVQFN
Need more? Email Us
EFR32FG1P131F128GM48-C0 Silicon Labs
EFR32FG1P131F128GM48-C0
Silicon Labs
IC RF TXRX+MCU 802.15.4 48QFN
Need more? Email Us
EFR32FG12P431F1024GM48-CR Silicon Labs
EFR32FG12P431F1024GM48-CR
Silicon Labs
IC RF TXRX+MCU 48QFN
Need more? Email Us
EFR32MG13P632F512GM32-DR Silicon Labs
EFR32MG13P632F512GM32-DR
Silicon Labs
IC RF TXRX+MCU 802.15.4 32RQFN
Need more? Email Us
EFR32BG21B010F1024IM32-B Silicon Labs
EFR32BG21B010F1024IM32-B
Silicon Labs
IC RF TXRX+MCU BLE 32QFN
Need more? Email Us
EFR32FG25B221F1920IM56-B Silicon Labs
EFR32FG25B221F1920IM56-B
Silicon Labs
IC RF TXRX 802.15.4 56QFN
Need more? Email Us
EFR32FG1V131F64GM48-C0 Silicon Labs
EFR32FG1V131F64GM48-C0
Silicon Labs
IC RF TXRX+MCU 802.15.4 48QFN
Need more? Email Us
EFR32FG13P231F512GM32-D Silicon Labs
EFR32FG13P231F512GM32-D
Silicon Labs
IC RF TXRX+MCU 802.15.4 32RQFN
Need more? Email Us
EFR32MG1P132F256IM32-C0R Silicon Labs
EFR32MG1P132F256IM32-C0R
Silicon Labs
IC RF TXRX+MCU 802.15.4 32QFN
Need more? Email Us

Top Sellers

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
FT4232HL-REEL real image4451
FT4232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.2557
SSD1963QL9 real image6483
SSD1963QL9
Solomon
LCD Display Controller 128-Pin LQFP Tray
Lowest to $4.1579
FT230XS-U real image21586
FT230XS-U
FTDI, Future Technology Devices International Ltd
IC USB SERIAL BASIC UART 16SSOP
Lowest to $6.4151
BM04B-GHS-TBT(LF)(SN)(N) label picture
BM04B-GHS-TBT(LF)(SN)(N)
JST Sales America Inc.
CONN HEADER GH TOP 4POS 1.25MM
Lowest to $0.1782
ICM-42688-P Real Image2
ICM-42688-P
TDK InvenSense
MOTION SENSOR / Accelerometer, Gyroscope, 6 Axis Sensor Output
Lowest to $21.9925
ICM-42605 real image24295
ICM-42605
TDK InvenSense
IMU ACCEL/GYRO/TEMP I2C/SPI LGA
Lowest to $10.2166
EPM3128ATC100-10N real image
EPM3128ATC100-10N
Altera
IC CPLD 128MC 10NS 100TQFP
Lowest to $3.3015
CY7C68013A-128AXC Real Image
CY7C68013A-128AXC
Cypress Semiconductor Corp
IC MCU USB PERIPH HI SPD 128LQFP
Lowest to $19.0076
BMI088 real image23913
BMI088
Bosch Sensortec
ACCELEROMETER 16LGA / Accelerometer, Gyroscope, 6 Axis Sensor I2C, SPI Output
Lowest to $11.8797
BME280 Real Image
BME280
Bosch Sensortec
SENSOR PRESSURE HUMIDITY TEMP
Lowest to $3.8016
BAS516 Real Image
BAS516
Nexperia USA Inc.
DIODE GEN PURP 100V 250MA SOD523
Lowest to $0.0214
FT232RL-REEL Real Image
FT232RL-REEL
FTDI, Future Technology Devices International Ltd
IC USB FS SERIAL UART 28-SSOP
Lowest to $4.7519
FT4232HL real image4446
FT4232HL
FTDI, Future Technology Devices International Ltd
IC USB HS QUAD UART/SYNC 64-LQFP
Lowest to $14.2557
BMM150 label picture
BMM150
Bosch Sensortec
SENSOR FLIPCORE/HALL SPI 12WLCSP / Geomagnetic Sensor
Lowest to $0.7841

Pricing & Ordering

Quantity Unit Price Ext. Price
2+ $29.2500 $58.5000
5+ $24.0000 $120.0000
7+ $23.2500 $162.7500
9+ $22.5000 $202.5000
12+ $21.7500 $261.0000
16+ $19.5000 $312.0000
* Prices exclude shipping and taxes. Shipping costs are calculated at checkout.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 2,500 pieces
MOQ: 2 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