DistyParts Icon
SI4438-B1C-FMR The Silicon Labs SI4438-B1C-FMR is an RF Transceiver IC operating in the General ISM < 1GHz band. It supports frequencies from 425MHz to 525MHz.
Mfr Part #:

SI4438-B1C-FMR

Available from 3 distributors
Mfr Name: Silicon Labs
Silicon Labs
The Silicon Labs SI4438-B1C-FMR is an RF Transceiver IC operating in the General ISM < 1GHz band. It supports frequencies from 425MHz to 525MHz.
✓ Total Stock: 243,911 pcs
$ Price Range: $1.10

SI4438-B1C-FMR Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
240,000 pcs
On Request
240000 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
Non-Authorised Inventory information
3,421 pcs
On Request
3421 pcs On Request 1 On Request On Request On Request On Request On Request
Smaxon Electronics ✓
Non-Authorised Inventory information
490 pcs
On Request
490 pcs On Request 1 On Request On Request 17+ On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SI4438-B1C-FMR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Data Rate (Max)
Frequency
GPIO
Modulation
Mounting Type
Operating Temperature
Power
RF Family
Sensitivity
Serial Interfaces
Supplier Device Package
Tape & Reel
Type
Voltage
View Similar Products (0)

SI4438-B1C-FMR Description

Short technical summary and product information.

The Silicon Labs SI4438-B1C-FMR is an integrated circuit designed for RF transceiver applications. It operates within the General ISM frequency band below 1GHz, specifically covering a range of 425MHz to 525MHz.

 

This device features a maximum output power of 20dBm and a sensitivity of -124dBm, making it suitable for various wireless communication tasks. It supports multiple modulation types including FSK, GFSK, GMSK, and OOK, with a maximum data rate of 500kbps. The operating voltage ranges from 1.8V to 3.6V, and it consumes a current of 14mA.

 

The SI4438-B1C-FMR is housed in a 20-VFQFN Exposed Pad package, designed for surface mounting. It includes 4 GPIO pins and utilizes SPI for serial communication. The operating temperature range is from -40°C to 85°C.

 

This component is compliant with RoHS3 standards and has an MSL rating of 1 Unlimited.

SI4438-B1C-FMR Quick Information

Product Type: RF Transceiver IC
Canonical Name: SI4438-B1C-FMR RF Transceiver IC
Subcategory: RF Transceiver ICs

SI4438-B1C-FMR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SI4438-B1C-FMR Estimated Pricing

Qty Low High
1+ $1.10 $1.10

Estimated market price range - modelled values for guidance only, not live distributor offers.

SI4438-B1C-FMR Features

  • Operates in General ISM < 1GHz band.
  • Covers 425MHz to 525MHz frequency range.
  • Provides 20dBm maximum output power.
  • Achieves -124dBm sensitivity.
  • Surface mount 20-VFQFN Exposed Pad package.

SI4438-B1C-FMR Applications

  • Suitable for wireless communication systems.
  • Ideal for low-power RF applications.
  • Used in ISM band devices.
  • Supports various modulation schemes.

SI4438-B1C-FMR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating frequency range of the SI4438-B1C-FMR?

The SI4438-B1C-FMR operates in the frequency range of 425MHz to 525MHz.

What is the maximum output power of this RF Transceiver IC?

The maximum output power for the SI4438-B1C-FMR is 20dBm.

What is the sensitivity of the SI4438-B1C-FMR?

The sensitivity of the SI4438-B1C-FMR is -124dBm.

What package type is the SI4438-B1C-FMR supplied in?

The SI4438-B1C-FMR is supplied in a 20-VFQFN Exposed Pad package.

What is the operating temperature range for the SI4438-B1C-FMR?

The operating temperature range for the SI4438-B1C-FMR is -40°C to 85°C.

Does the SI4438-B1C-FMR comply with RoHS standards?

Yes, the SI4438-B1C-FMR is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for this component?

The Moisture Sensitivity Level (MSL) for the SI4438-B1C-FMR is 1 Unlimited.

Home
Account

Categories