ISM Transmitter Automotive 20-Pin QFN EP T/R Product overview: SI4031-B1-FMR from Silicon Labs is a Rf Transmitter for embedded electronics, industrial equipment, maintenance repair, OEM production, and component sourcing. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include Automotive, QFN. Search-friendly keywords include Rf Transmitter, RF Transmitters, electronic component, datasheet, replacement part, Automotive, QFN. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 871-SI4031-B1-FMR can be used for catalog matching and distributor lookup.
Manufacturer: Silicon Labs
Win Source Part Number: 933460-SI4031-B1-FMR
Series: EZRadioPRO®
Operating Temperature Range: -40°C ~ 85°C
Features: RF Transmitter FSK, GFSK, OOK 240MHz ~ 930MHz 13dBm 256kbps PCB, Surface Mount Antenna 20-VFQFN Exposed Pad
Package: Reel - TR
Package: 20-VFQFN Exposed Pad
Mounting: Surface Mount
Part Status: Not For New Designs
Family Name: SI4031
Categories: RF/IF and RFID
Case / Package: 20-QFN (4x4)
ECCN: 5A991B
Popularity: High
Fake Threat In the Open Market: 68 pct.
Supply and Demand Status: Balance
Quantity per package: 2500
MSL Level: 1 (Unlimited)
HTSUS: 8542.39.0001
RF Transmitter FSK, GFSK, OOK 240MHz ~ 930MHz 13dBm 256kbps PCB, Surface Mount Antenna 20-VFQFN Exposed Pad
RF TX IC FSK 240-930MHZ 20VFQFN
RF Transmitter FSK, GFSK, OOK 240MHz ~ 930MHz 13dBm 256kbps PCB, Surface Mount Antenna 20-VFQFN Exposed Pad
| ERSAELECTRONICS PTE. LTD. | Win Source Electronics | DigiKey | Shenzhen Shengyu Electronics Technology Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|
| Product Category | RF Transmitters | RF Transmitters | RF Modules | RF Transmitters | RF Transmitters |
| Product Number | 871-SI4031-B1-FMR | 933460-SI4031-B1-FMR | SI4031-B1-FMR-ND | SI4031-B1-FMR | SI4031-B1-FMR |
| Product Name | Automotive QFN Rf Transmitter | RF Transmitters - SI4031-B1-FMR | RF Transmitters | RF and Wireless - RF Transmitters | RF Transmitters |
| Package Type | Tape and Reel | Surface Mount; Surface Mount | Surface Mount; 20-VFQFN Exposed Pad | Surface Mount; 20-VFQFN Exposed Pad | |
| Features | RoHS | Antenna Connector | RoHS | ||
| Supply Voltage | 3 volts | 1.8 to 3.6 volts | 1.8 to 3.6 volts | ||
| Operating Temperature | -40.0 to 85.0 C (-40.0 to 185.0 F) | -40.0 to 85.0 C (-40.0 to 185.0 F) | -40.0 to 85.0 C (-40.0 to 185.0 F) | ||
| Device Type | Transmitter |
