EM3581-RTR representative package visual — not an exact-product photograph
Representative package visual — not an exact-product photographProduct referenceVendor-delivered DigiKey product/package image
Exact MPN20 sourced attributes1 source document

Silicon Labs · exact orderable part

EM3581-RTR

IC RF TXRX+MCU 802.15.4 48VFQFN

Base Product Number
EM358
Current - Receiving
23.5mA ~ 30mA
Current - Transmitting
24mA ~ 45mA
DigiKey Programmable
Not Verified
Data Rate (Max)
5Mbps
Frequency
2.4GHz
Original manufacturerCommercial terms confirmed per lot
ManufacturerSilicon Labs
Package / case48-VFQFN Exposed Pad
Mounting typeunknown
PackingTape & Reel (TR) Cut Tape (CT) Digi-Reel®

Technical parameters

Technical specifications

EM3581-RTR technical parameters
ParameterValue
Base Product NumberEM358 [1]
Current - Receiving23.5mA ~ 30mA [1]
Current - Transmitting24mA ~ 45mA [1]
DigiKey ProgrammableNot Verified [1]
Data Rate (Max)5Mbps [1]
Frequency2.4GHz [1]
GPIO24 [1]
Memory Size256kB Flash, 32kB RAM [1]
MfrSilicon Labs [1]
ModulationO-QPSK [1]
Mounting TypeSurface Mount [1]
Operating Temperature-40°C ~ 85°C [1]
Power - Output8dBm [1]
Product StatusNot For New Designs [1]
ProtocolZigbee® [1]
RF Family/Standard802.15.4 [1]
Sensitivity-102dBm [1]
Serial InterfacesI²C, JTAG, SPI, UART [1]
TypeTxRx + MCU [1]
Voltage - Supply2.1V ~ 3.6V [1]

Catalog relationships

Keep family and exact MPN intent separate.

This page describes one orderable part. A family page helps select suffixes but never carries assumed stock or a price.