Name: EFM8UB31F40G-A-QFN24R
Brand: Silicon Labs
SKU: EFM8UB31F40G-A-QFN24R
Price: 1.0595 USD
Availability: InStock
Rating: 5 (88 reviews)

EFM8UB31F40G-A-QFN24R

For Reference Only

Part Number	EFM8UB31F40G-A-QFN24R
Manufacturer	Silicon Labs
Description	FULL SPEED USB, 40KB FLASH
Datasheet	EFM8UB31F40G-A-QFN24R Specifications
Package	24-WFQFN Exposed Pad
ECAD
In Stock	5,824 piece(s)
Unit Price	$ 1.0595 *
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
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Part Number # EFM8UB31F40G-A-QFN24R (Embedded - Microcontrollers) 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 EFM8UB31F40G-A-QFN24R specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add EFM8UB31F40G-A-QFN24R with quantity into BOM. Heisener.com does NOT require any registration to request a quote of EFM8UB31F40G-A-QFN24R.

EFM8UB31F40G-A-QFN24R Specifications

Manufacturer	Silicon Labs
Category	Integrated Circuits (ICs) - Embedded - Microcontrollers
Package	24-WFQFN Exposed Pad
ECAD
Series	Universal Bee
Core Processor	CIP-51 8051
Core Size	8-Bit
Speed	48MHz
Connectivity	I²C, SMBus, SPI, UART/USART, USB
Peripherals	Brown-out Detect/Reset, POR, PWM, WDT
Number of I/O	17
Program Memory Size	40KB (40K x 8)
Program Memory Type	FLASH
EEPROM Size	-
RAM Size	3.25K x 8
Voltage - Supply (Vcc/Vdd)	1.71 V ~ 5.5 V
Data Converters	A/D 16x12b
Oscillator Type	Internal
Operating Temperature	-40°C ~ 85°C (TA)
Mounting Type	-
Package / Case	24-WFQFN Exposed Pad
Supplier Device Package	24-QFN (4x4)

EFM8UB31F40G-A-QFN24R Reviews

Jeff*****Rocha

April 9, 2023

★ ★ ★ ★ ★

Used these for a solar project, and they are working great.

Mar*****rice

March 7, 2023

★ ★ ★ ★ ★

They worked great. Not much to say - as far as I can tell they adhere to the specs, and did the job I needed them to. Good transistors for higher current situations.

Lore*****Batra

February 24, 2023

★ ★ ★ ★ ★

I love this website, and get a quick response. Good experience! Good customer service.

Veron*****ilbert

February 20, 2023

★ ★ ★ ★ ★

All OK, fast delivery, good quality. Product works as it should, Nice Seller.

Jul*****Sane

February 19, 2023

★ ★ ★ ★ ★

Good and works well. What else is there to say about it.

Crai*****carthy

February 19, 2023

★ ★ ★ ★ ★

the parts work as they should. Amazing price perfect all round many thanks

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EFM8UB31F40G-A-QFN24R Packaging

EFM8UB31F40G-A-QFN24R FAQ

1. How to order EFM8UB31F40G-A-QFN24R 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 EFM8UB31F40G-A-QFN24R is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the EFM8UB31F40G-A-QFN24R. All suppliers must pass our qualification reviews before they can publish their products including EFM8UB31F40G-A-QFN24R on Heisener; we pay more attention to the channels and quality of EFM8UB31F40G-A-QFN24R products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the EFM8UB31F40G-A-QFN24R price and inventory displayed accurate?

The price and inventory of EFM8UB31F40G-A-QFN24R 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 EFM8UB31F40G-A-QFN24R?

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 EFM8UB31F40G-A-QFN24R we delivered, we will accept the replacement or return of the EFM8UB31F40G-A-QFN24R 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 EFM8UB31F40G-A-QFN24R.

(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 EFM8UB31F40G-A-QFN24R pin diagram, EFM8UB31F40G-A-QFN24R datasheet?

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

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EFM8UB31F40G-A-QFN24R 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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Part Number

Manufacturer

Description

Stock

EFM8UB31F40G-A-QFN24R

D# EFM8UB31F40G-A-QFN24R-ND

Silicon Laboratories Inc

IC MCU 8BIT 40KB FLASH 24QFN

Part Number

Manufacturer

Description

Stock

EFM8UB31F40G-A-QFN24R

Silicon Laboratories Inc

8051 8-bit MCU, Full Speed USB, 40kB Flash, 3kB RAM, 5 Volt, 12-bit ADC, UART, SMBus, SPI, 17 GPIOs, Reel

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EFM8UB31F40G-A-QFN24R

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