English
loading
Mfr. Part No. Qty. Price(USD)

No items in the cart

View Cart
Same model may have multiple batches, images only for reference.
SI4031-B1-FMR Real Image
Same model may have multiple batches, images only for reference.

SI4031-B1-FMR

Quick Quote
Part No SI4031-B1-FMR
Manufacturer Silicon Labs
Catalog RF Transmitters
Description RF TX IC FSK 240-930MHZ 20VFQFN
Datasheet
SI4031-B1-FMR Datasheet
Sample
Rohs State rohs
ECAD Module
Need Help

Products specifications Report Issue?

Categories RF/IF and RFID
Features RF Transmitter FSK, GFSK, OOK 240MHz ~ 930MHz 13dBm 256kbps PCB, Surface Mount Antenna 20-VFQFN Exposed Pad
Manufacturer Silicon Labs
Series EZRadioPRO®
Package Reel - TR
Part Status Not For New Designs
Operating Temperature Range -40°C ~ 85°C
Mounting Surface Mount
Package 20-VFQFN Exposed Pad
Case / Package 20-QFN (4x4)
Family Name SI4031
MSL Level 1 (Unlimited)
ECCN 5A991B
HTSUS 8542.39.0001
Quantity per package 2500
Popularity High
Supply and Demand Status Balance
Win Source Part Number 933460-SI4031-B1-FMR
Ultra Librarian 3D Model   Symbol, Footprint, 3D Model

Description

The SI4031-B1-FMR is a high-performance RF transmitter by Silicon Labs that operates in the frequency range of 240MHz to 930MHz.

  • Frequency Range: 240MHz to 930MHz
  • Modulation: FSK, GFSK, OOK
  • Maximum Output Power: 13dBm
  • Data Rate: 256kbps
  • Package: 20-VFQFN exposed pad
  • Mounting Type: Surface Mount
  • Series: EZRadioPRO

You May Also Be Interested in

SI4060-B1B-FM Real Image
SI4060-B1B-FM
Silicon Labs
RF TX IC 142MHZ-1.05GHZ 20VFQFN / RF Transmitter 142MHz ~ 1.05GHz 13dBm 1Mbps PCB, Surface Mount Antenna 20-VFQFN Exposed Pad
Lowest to $4.0011
BH1414K Real Image
BH1414K
Rohm Semiconductor
Wireless Audio Link IC
Lowest to $74.1030
PCF7961ATT/D1AC07J Real Image
PCF7961ATT/D1AC07J
NXP
IC REMOTE KEYLESS ENTRY 20TSSOP / RF Transmitter Antenna 20-TSSOP (0.173", 4.40mm Width)
Lowest to $10.8345
Picture of SI4010-C2002GS
SI4010-C2002GS
Silicon Labs
8B WIRELESS MCU / RF Transmitter Antenna
Lowest to $11.3055
BH1418KN Real Image
BH1418KN
Rohm Semiconductor
FM stereo transmitter IC for audio systems
Lowest to $1.4805
ATA8403-6AQY Real Image
ATA8403-6AQY
Atmel
UHF ASK/FSK Industrial Transmitter
Need more? Email Us
T5750-6AQ Real Image
T5750-6AQ
Microchip Technology
RF TX IC ASK 868-928MHZ 8TSSOP / RF Transmitter ASK, FSK 868MHz ~ 928MHz 5.5dBm 32kBaud PCB, Surface Mount Antenna 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Need more? Email Us
SI4030-B1-FMR Real Image
SI4030-B1-FMR
Silicon Labs
RF TX IC FSK 900-960MHZ 20VFQFN / RF Transmitter FSK, GFSK, OOK 900MHz ~ 960MHz 13dBm 256kbps PCB, Surface Mount Antenna 20-VFQFN Exposed Pad
Need more? Email Us
MICRF113YM6 Real Image
MICRF113YM6
Micrel
QwikRadio® ASK Transmitter
Lowest to $0.7305

Top Sellers

FT232RL real image4334
FT232RL
FTDI, Future Technology Devices International Ltd
USB Bridge, USB to UART USB 2.0 28-SSOP
Lowest to $5.6510
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 $0.1776
ULN2803ADWR real image9675
ULN2803ADWR
Texas Instruments
TRANS 8NPN DARL 50V 0.5A 18SO
Lowest to $6.7812
LIS2DH12TR Real Image
LIS2DH12TR
STMicroelectronics
ACCEL 2-16G I2C/SPI 12LGA
Lowest to $0.6296
CDSOT23-SM712 label picture
CDSOT23-SM712
Bourns Inc.
TVS DIODE 7VWM/12VWM SOT23
Lowest to $0.6458
ISO1540DR real image529
ISO1540DR
Texas Instruments
DGTL ISO 2.5KV 2CH I2C 8SOIC
Lowest to $0.8396
SN74LVC1T45DBVR real image6217
SN74LVC1T45DBVR
Texas Instruments
IC BUS TRANSCVR TRI-ST SOT23-6
Lowest to $0.0645
NTA4153NT1G Real Image
NTA4153NT1G
ON Semiconductor
MOSFET N-CH 20V 915MA SOT-416
Lowest to $0.1130
ISO1050DUBR label picture 2
ISO1050DUBR
Texas Instruments
IC TXRX CAN 5V 8SOP
Lowest to $1.1302
NRF52840-QIAA-R Real Image
NRF52840-QIAA-R
Nordic Semiconductors
IC RF TXRX+MCU 802.15.4 73VFQFN
Lowest to $4.5208
INA226AIDGSR real image
INA226AIDGSR
Texas Instruments
IC MONITOR PWR/CURR BIDIR 10MSOP
Lowest to $1.0074
ATMEGA2560-16AU Real Image
ATMEGA2560-16AU
Atmel
IC MCU 8BIT 256KB FLASH 100TQFP
Lowest to $19.3751
TPS7A4901DGNR real image9275
TPS7A4901DGNR
Texas Instruments
IC REG LDO ADJ 0.15A 8MSOP
Lowest to $0.6780
FT2232HL-REEL real image4291
FT2232HL-REEL
FTDI, Future Technology Devices International Ltd
IC USB HS DUAL UART/FIFO 64-LQFP
Lowest to $10.5625
TPS51200DRCT real image8271
TPS51200DRCT
Texas Instruments
DDR Termination Regulator 2.375V to 3.5V 10-Pin VSON EP T/R / IC REG SINK/SOURCE DDR 10-SON
Lowest to $0.3229

Pricing & Ordering (USD)

Quantity Unit Price Ext. Price
40+ $2.0598 $82.3920
90+ $1.6902 $152.1180
140+ $1.6374 $229.2360
190+ $1.5846 $301.0740
245+ $1.5317 $375.2665
330+ $1.3733 $453.1890
* The above prices does not include taxes and freight rates, which will be calculated on the order pages.
Estimate Shipping
Enter your destination to get a shipping estimate
*
Availability: 7,500 pieces
MOQ: 40 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 and winsourceelec.com

More details about fraud prevention
About Us
Customer Service
Solutions
Copyright © 2025 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