Name: SI4438-B1C-FMR
Brand: Silicon Labs
SKU: SI4438-B1C-FMR
Availability: InStock
Rating: 5 (79 reviews)

SI4438-B1C-FMR

For Reference Only

Part Number	SI4438-B1C-FMR
Manufacturer	Silicon Labs
Description	IC RF TXRX+MCU ISM<1GHZ 20-VFQFN
Datasheet	SI4438-B1C-FMR Specifications
Package	20-VFQFN Exposed Pad
ECAD
In Stock	5,076 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 21 - Apr 26 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # SI4438-B1C-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 SI4438-B1C-FMR specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SI4438-B1C-FMR with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SI4438-B1C-FMR.

SI4438-B1C-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, GMSK, OOK
Frequency	425MHz ~ 525MHz
Data Rate (Max)	500kbps
Power - Output	20dBm (Max)
Sensitivity	-124dBm
Memory Size	-
Serial Interfaces	SPI
GPIO	4
Voltage - Supply	1.8 V ~ 3.6 V
Current - Receiving	14mA
Current - Transmitting	75mA
Operating Temperature	-40°C ~ 85°C
Package / Case	20-VFQFN Exposed Pad

SI4438-B1C-FMR Reviews

Eve*****kins

March 31, 2023

★ ★ ★ ★ ★

Perfect, functional, arrived a weeks earlier, excellent Seller. Recommended

Santan*****patrick

March 27, 2023

★ ★ ★ ★ ★

Well packaged and good condition with the parts, arrived on time, good customer service.

Lege*****liver

March 23, 2023

★ ★ ★ ★ ★

Great price. Worked well for my needs.

Mad***** Mand

March 18, 2023

★ ★ ★ ★ ★

The best choice, clear and easy to make an order. Gives me full control.

Aaro*****cann

March 18, 2023

★ ★ ★ ★ ★

Very good connector, easy to realise and with Low price

Summ*****sparza

March 16, 2023

★ ★ ★ ★ ★

I am satisfied with Heisener company

Mak*****Lyons

March 9, 2023

★ ★ ★ ★ ★

Excellent, high quality product at a reasonable price. Timely delivery. Highly recommend product and vendor.

Har***** Gara

February 27, 2023

★ ★ ★ ★ ★

It works fine and does what it has designed for. No regrets.

Arma*****Dutta

February 24, 2023

★ ★ ★ ★ ★

Worked as advertised and good price. Can you imagine buying these at local store it would cost way to much.

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SI4438-B1C-FMR Packaging

SI4438-B1C-FMR FAQ

1. How to order SI4438-B1C-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 SI4438-B1C-FMR is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SI4438-B1C-FMR. All suppliers must pass our qualification reviews before they can publish their products including SI4438-B1C-FMR on Heisener; we pay more attention to the channels and quality of SI4438-B1C-FMR products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SI4438-B1C-FMR price and inventory displayed accurate?

The price and inventory of SI4438-B1C-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 SI4438-B1C-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 SI4438-B1C-FMR we delivered, we will accept the replacement or return of the SI4438-B1C-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 SI4438-B1C-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 SI4438-B1C-FMR pin diagram, SI4438-B1C-FMR datasheet?

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

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SI4438-B1C-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.

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SI4438-B1C-FMR

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