Name: SI4455-B1A-FMR
Brand: Silicon Labs
SKU: SI4455-B1A-FMR
Availability: InStock
Rating: 5 (124 reviews)

SI4455-B1A-FMR

For Reference Only

Part Number	SI4455-B1A-FMR
Manufacturer	Silicon Labs
Description	IC RF TXRX+MCU ISM<1GHZ 20-VFQFN
Datasheet	SI4455-B1A-FMR Specifications
Package	20-VFQFN Exposed Pad
ECAD
In Stock	7,794 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # SI4455-B1A-FMR (RF Transceiver ICs) is manufactured by Silicon Labs and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For SI4455-B1A-FMR specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SI4455-B1A-FMR with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SI4455-B1A-FMR.

SI4455-B1A-FMR Specifications

Manufacturer	Silicon Labs
Category	RF/IF and RFID - RF Transceiver ICs
Package	20-VFQFN Exposed Pad
ECAD
Series	-
Type	TxRx + MCU
RF Family/Standard	General ISM < 1GHz
Protocol	-
Modulation	FSK, GFSK, OOK
Frequency	283MHz ~ 960MHz
Data Rate (Max)	500kbps
Power - Output	13dBm (Max)
Sensitivity	-116dBm
Memory Size	-
Serial Interfaces	SPI
GPIO	4
Voltage - Supply	1.8 V ~ 3.6 V
Current - Receiving	10mA
Current - Transmitting	18mA ~ 30mA
Operating Temperature	-40°C ~ 85°C
Package / Case	20-VFQFN Exposed Pad

SI4455-B1A-FMR Reviews

Eri*****adig

April 7, 2023

★ ★ ★ ★ ★

So easy to do business with Heisener and they generally have stock on the items we need.

Mich***** Byrd

April 6, 2023

★ ★ ★ ★ ★

Bought these to help prevent solar panels from feeding back. Works great and doesn't get as hot.

Bren***** Gould

April 4, 2023

★ ★ ★ ★ ★

The helper is super handy, especially if you work with medium size PCB boards as it allows to hold the board steady in every position. It feels pretty sturdy and of good quality.

Jerm***** Luna

April 1, 2023

★ ★ ★ ★ ★

Great item at a great price. Quick shipping. Nice seller. Rad transaction!

Lai*****Rush

March 21, 2023

★ ★ ★ ★ ★

I am satisfied with Heisener company

Mate*****rcado

March 11, 2023

★ ★ ★ ★ ★

Very good product for electronic projects and are of great quality and test great.

Kas*****Hahn

March 10, 2023

★ ★ ★ ★ ★

I've placed many orders from Heisener . I have never had an error with any order, the order has always went out the same day, and the items are always well packaged.

Opa*****amora

March 2, 2023

★ ★ ★ ★ ★

I like this way to add a project, choose existing project to add components. I use this method frequently to keep track of my projects. Thanks Heisener!

Mada***** Velez

February 23, 2023

★ ★ ★ ★ ★

A well designed product that fit my custom PCB's perfectly. Easy to use. Sturdy construction. Highly recommend to all PCB builders.

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SI4455-B1A-FMR Packaging

SI4455-B1A-FMR FAQ

1. How to order SI4455-B1A-FMR on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that SI4455-B1A-FMR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SI4455-B1A-FMR. All suppliers must pass our qualification reviews before they can publish their products including SI4455-B1A-FMR on Heisener; we pay more attention to the channels and quality of SI4455-B1A-FMR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SI4455-B1A-FMR price and inventory displayed accurate?

The price and inventory of SI4455-B1A-FMR fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of SI4455-B1A-FMR?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the SI4455-B1A-FMR we delivered, we will accept the replacement or return of the SI4455-B1A-FMR only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of SI4455-B1A-FMR.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as SI4455-B1A-FMR pin diagram, SI4455-B1A-FMR datasheet?

If you need any after-sales service, please do not hesitate to contact us.

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SI4455-B1A-FMR Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

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shipping today

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RoHS: Compliant

Min Qty: 1

Container: Cut Tape

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SI4455-B1A-FMR

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