SI4432-B1-FMR Silicon Labs | Specification, Inventory, Distributors and Datasheet | icDirectory United Kingdom

SI4432-B1-FMR

SI4432-B1-FMR

Not For New Designs

RF Transceiver Ics

Description: IC RF TXRX ISM<1GHZ 20VFQFN

Manufacturer: Silicon Labs

Datasheet: SI4432-B1-FMR Datasheet

History Price: $7.185

In Stock: 12550

SI4432-B1-FMR Distributors

Contact us and register as a distributor: support@icdirectory.com

Distributors

Mfr Part

Stock

Slogan

Updated

3305

$

The 21 years electronic components professional supplier

Apr 18, 2026

26150

$

New and original

Apr 18, 2026

One River Electronics Ltd

30125

$

One River: Quality components, competitive prices, fast shipping, 1-year warranty

Apr 18, 2026

HAODE TECHNOLOGY

18870

$

Click and send your RFQ

Apr 18, 2026

Hard Find Electronics Ltd.

45690

$

Sourcing hard-to-find electronic components

Apr 18, 2026

TRICO INDUSTRIAL

14560

$

Rooted in Semiconductors, One-stop Chip Solutions

Apr 18, 2026

Redstar Electronic

37740

$

First Choice, Good Service

Apr 18, 2026

41715

$

A Great Reputation EMS Partner specializes on E-Components Procurement

Apr 18, 2026

QTreeic Electronics

49330

$

Your Integrated Circuit Electronic Components Supplier

Apr 17, 2026

7615

$

Click and see latest prices from Digikey Electronics

Apr 17, 2026

SI4432-B1-FMR Specification

Specification

Mfr Part

SI4432-B1-FMR

Category

RF Transceiver Ics

Manufacturer

Silicon Labs

Series

-

Packaging

Tape & Reel (TR)

Status

Not For New Designs

Environmental Compliance

Lead Free

Radiation Hardening

No

REACH SVHC

No SVHC

RoHS

Compliant

HS Code

-

Technical Parameter

Programmable

Not Verified

Type

TxRx Only

RF Family/Standard

General ISM < 1GHz

Protocol

-

Modulation

FSK, GFSK, OOK

Frequency

240MHz ~ 930MHz

Data Rate (Max)

256kbps

Power - Output

20dBm (Max)

Sensitivity

-121dBm

Memory Size

-

Serial Interfaces

SPI

GPIO

3

Voltage - Supply

1.8V ~ 3.6V

Current - Receiving

18.5mA

Current - Transmitting

85mA

Operating Temperature

-40 ℃ ~ 85 ℃

Mounting Type

Surface Mount

SI4432-B1-FMR PDF Datasheet

SI4432-B1-FMR Datasheet

Click and Download: SI4432-B1-FMR Datasheet

SI4432-B1-FMR Related Parts

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SI4421-A1-FT

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SI4421-A1-FTR

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SI4430-A0-FM

IC RF TXRX ISM<1GHZ 20VFQFN

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SI4432-B1-FMR vs SI4430-B1-FMR

Customer Reviews

4.95 out of 5.00 stars from 126 customer reviews from all over the world

Olli Salo

Finland

2026-04-13 01:37

One of the 10 checked, works, thank you!!

João Victor

Brazil

2026-04-12 22:31

All right Not Tested

Samuel

Spain

2026-04-12 19:45

Very correct and corresponds to the description. I have been born several and they are within their value

Juliana Rocha Almeida

Brazil

2026-04-12 17:14

Good quality components, well packaged

Gilberto

Brazil

2026-04-12 15:12

Got everything right

Juan Antonio

Spain

2026-04-12 13:29

All as described, it came quickly, in 10 days