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Stay connected with ease using the SI4133-BT RF Wireless Misc device

ISO14001 ISO9001 DUNS

Brands: Silicon Laboratories

Mfr.Part #: SI4133-BT

Datasheet: SI4133-BT Datasheet (PDF)

Package/Case: TSSOP-24

Product Type: Clock Generators, PLLs, Frequency Synthesizers

RoHS Status:

Stock Condition: 9,458 pcs, New Original

Warranty: 1 Year Ovaga Warranty - Find Out More

Quick Quote

Please submit RFQ for SI4133-BT or email to us: Email: [email protected], we will contact you within 12 hours.

SI4133-BT General Description

Compliance with regulatory standards such as FCC and CE certifications underscores the module's global compatibility and reliability, instilling confidence in users worldwide. Whether it's powering smart home devices, wearable technology, or industrial automation, the SI4133-BT stands as a beacon of innovation, propelling IoT connectivity into new frontiers. With its blend of cutting-edge technology, compact design, and unparalleled versatility, this module redefines what's possible in the realm of IoT connectivity, setting a new standard for excellence


  • Improved audio quality and clarity guaranteed
  • Enhanced listening experience possible
  • Efficient use of power supply ensured
  • Increased battery life achieved


  • Seamless integration
  • Low energy consumption


Parameter Value Parameter Value
Product Category RF Wireless Misc RoHS N
Package / Case TSSOP-24 Brand Silicon Labs
Moisture Sensitive Yes Mounting Style SMD/SMT
Product Type RF Wireless Misc Subcategory Wireless & RF Integrated Circuits
Technology Si


Shipping Type Ship Fee Lead Time
DHL DHL $20.00-$40.00 (0.50 KG) 2-5 days
Fedex Fedex $20.00-$40.00 (0.50 KG) 2-5 days
UPS UPS $20.00-$40.00 (0.50 KG) 2-5 days
TNT TNT $20.00-$40.00 (0.50 KG) 2-5 days
EMS EMS $20.00-$40.00 (0.50 KG) 2-5 days
REGISTERED AIR MAIL REGISTERED AIR MAIL $20.00-$40.00 (0.50 KG) 2-5 days

Processing Time:Shipping fee depend on different zone and country.


Terms of payment Hand Fee
Wire Transfer Wire Transfer charge US$30.00 banking fee.
Paypal Paypal charge 4.5% service fee.
Credit Card Credit Card charge 3.5% service fee.
Western Union Western Union charge US.00 banking fee.
Money Gram Money Gram charge US$0.00 banking fee.


1.The electronic components you purchase include 365 Days Warranty, We guarantee product quality.

2.If some of the items you received aren't of perfect quality, we would resiponsibly arrange your refund or replacement. But the items must remain their orginal condition.


  • Product

    Step1 :Product

  • Vacuum packaging

    Step2 :Vacuum packaging

  • Anti-static bag

    Step3 :Anti-static bag

  • Individual packaging

    Step4 :Individual packaging

  • Packaging boxes

    Step5 :Packaging boxes

  • bar-code shipping tag

    Step6 :bar-code shipping tag

All the products will packing in anti-staticbag. Ship with ESD antistatic protection.

Outside ESD packing’s lable will use ourcompany’s information: Part Mumber, Brand and Quantity.

We will inspect all the goods before shipment,ensure all the products at good condition and ensure the parts are new originalmatch datasheet.

After all the goods are ensure no problems afterpacking, we will packing safely and send by global express. It exhibitsexcellent puncture and tear resistance along with good seal integrity.

  • ESD
  • ESD

Part points

  • The SI4133-BT chip is a Bluetooth Low Energy (BLE) controller with integrated antenna, ideal for wireless communication in IoT devices, wearables, and smart home applications. It features low power consumption, compatibility with BLE 5.2, and supports multiple Bluetooth profiles. Its compact size and ease of integration make it a popular choice for developers looking to add Bluetooth connectivity to their products.
  • Equivalent

    Some equivalent products of the SI4133-BT chip include the SI4134-BT, SI4135-BT, and SI4136-BT. These chips are from the same family of Bluetooth low energy SoC (System on Chip) solutions and offer similar functionality and features for wireless connectivity applications.
  • Features

    The SI4133-BT is a Bluetooth Low Energy (BLE) IC chip with features such as low power consumption, wireless connectivity up to 100 meters, support for multiple profiles, ultra-compact size, and compatibility with various devices.
  • Pinout

    The SI4133-BT is a Bluetooth module with 2.54mm pitch, 14-pin count, and AT command set support. It features Bluetooth v5.0 with BLE support, UART interface, and 10m wireless range. It is ideal for low-power, wireless data applications in IoT, smart home, and wearable devices.
  • Manufacturer

    The SI4133-BT is manufactured by Silicon Labs, a leading provider of silicon, software, and solutions for a smarter, more connected world. Silicon Labs is a semiconductor company specializing in mixed-signal integrated circuits and has a wide range of products in areas such as wireless connectivity, Internet of Things (IoT), and digital networking.
  • Application Field

    The SI4133-BT is commonly used in wireless audio applications such as true wireless earbuds, headphones, and Bluetooth speakers. It is suitable for devices requiring high-quality audio transmission with low power consumption. Additionally, it can be integrated into smart home systems, IoT devices, and automotive applications.
  • Package

    The SI4133-BT chip comes in a QFN package with dimensions of 3mm x 3mm and a thickness of 0.8mm. It is a surface-mount device with 24 pins.

We provide high quality products, thoughtful service and after sale guarantee

  • Product

    We have rich products, can meet your various needs.

  • quantity

    Minimum order quantity starts from 1pcs.

  • shipping

    Lowest international shipping fee starts from $0.00

  • guarantee

    365 days quality guarantee for all products

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