Name: SI4311-B21-GM
Brand: Silicon Labs
SKU: SI4311-B21-GM
Availability: InStock
Rating: 5 (151 reviews)

SI4311-B21-GM

For Reference Only

Part Number	SI4311-B21-GM
Manufacturer	Silicon Labs
Description	IC RECEIVER FSK 315/434MHZ 20QFN
Datasheet	SI4311-B21-GM Specifications
Package	20-VFQFN Exposed Pad
ECAD
In Stock	12,732 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	May 3 - May 8 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # SI4311-B21-GM (RF Receivers) 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 SI4311-B21-GM specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SI4311-B21-GM with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SI4311-B21-GM.

SI4311-B21-GM Specifications

Manufacturer	Silicon Labs
Category	RF/IF and RFID - RF Receivers
Package	20-VFQFN Exposed Pad
ECAD
Series	EZRadio?
Frequency	315MHz, 434MHz
Sensitivity	-104dBm
Data Rate (Max)	10kbps
Modulation or Protocol	FSK
Applications	Home Automation, Remote Sensing, RKE
Current - Receiving	20mA
Data Interface	PCB, Surface Mount
Memory Size	-
Antenna Connector	PCB, Surface Mount
Features	-
Voltage - Supply	2.7 V ~ 3.6 V
Operating Temperature	-40°C ~ 85°C
Package / Case	20-VFQFN Exposed Pad
Supplier Device Package	20-QFN (3x3)

SI4311-B21-GM Reviews

Rees*****faro

April 9, 2023

★ ★ ★ ★ ★

What can I say, great value for the money. I only needed 2 but now I have some spares for future projects. They got the job done, nothing more I can say.

Crys*****Tandon

April 9, 2023

★ ★ ★ ★ ★

Everything is good. Well made terminal blocks. Good consistency and I found no bad ones in the bunch.

Tren*****West

March 14, 2023

★ ★ ★ ★ ★

Thanks a lot! Ease of ordering and I love when they upgrade my shipping for free. What a nice thing to do.

Oma*****Devi

March 13, 2023

★ ★ ★ ★ ★

Excellent company. Product as described. Usually fast and well packed.Very nice.

Antho*****evara

March 11, 2023

★ ★ ★ ★ ★

It's so nice to have all these babies. I was using so many for projects, I decided to buy these. They'll definitely last me a while!

Maxto*****penter

March 9, 2023

★ ★ ★ ★ ★

I bought this for myself, and liked it so much. I also bought one for a friend.

Wesso*****strong

February 28, 2023

★ ★ ★ ★ ★

Easy to browse and order. You have everything I want. I compared the prices and services with others and found you're the best choice.

Bayle*****dhyay

February 21, 2023

★ ★ ★ ★ ★

The parts as described and fast shipping. Thanks for the great service

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SI4311-B21-GM Packaging

SI4311-B21-GM FAQ

1. How to order SI4311-B21-GM 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 SI4311-B21-GM is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SI4311-B21-GM. All suppliers must pass our qualification reviews before they can publish their products including SI4311-B21-GM on Heisener; we pay more attention to the channels and quality of SI4311-B21-GM products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SI4311-B21-GM price and inventory displayed accurate?

The price and inventory of SI4311-B21-GM 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 SI4311-B21-GM?

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 SI4311-B21-GM we delivered, we will accept the replacement or return of the SI4311-B21-GM 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 SI4311-B21-GM.

(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 SI4311-B21-GM pin diagram, SI4311-B21-GM datasheet?

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

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SI4311-B21-GM 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

Part Number

Manufacturer

Description

Stock

SI4311-B21-GM

Silicon Laboratories Inc

490

Part Number

Manufacturer

Description

Stock

SI4311-B21-GM

Silicon Laboratories Inc

RF RECEIVER, 315/433.92MHZ, QFN-20

490

SI4311-B21-GMR

Silicon Laboratories Inc

IC RECEIVER FSK 315/434MHZ 20QFN

Part Number

Manufacturer

Description

Stock

SI4311-B21-GMR

D# SI4311-B21-GMR-ND

Silicon Laboratories Inc

RF RCVR FSK 315MHZ/434MHZ 20QFN

SI4311-B21-GM

D# 336-2249-5-ND

Silicon Laboratories Inc

RF RCVR FSK 315MHZ/434MHZ 20QFN

Part Number

Manufacturer

Description

Stock

SI4311-B21-GM

Silicon Laboratories Inc

In stock shipping within 2days

2010

SI4311-B21-GMR

Silicon Laboratories Inc

In stock shipping within 2days

1330

Part Number

Manufacturer

Description

Stock

SI4311-B21-GM

D# 2414362

Silicon Laboratories Inc

RF RECEIVER, 315/433.92MHZ, QFN-20

RoHS: Compliant

Min Qty: 1

Container: Each

Part Number

Manufacturer

Description

Stock

SI4311B21GM

SiliconLa

OEM/CM QUOTES ONLY | NO BROKERS

747

SI4311B21GMR

Vishay Siliconix

OEM/CM QUOTES ONLY | NO BROKERS

3308

Part Number

Manufacturer

Description

Stock

SI4311-B21-GM

Silicon Laboratories Inc

OEM/CM Immediate delivery

2010

Part Number

Manufacturer

Description

Stock

SI4311-B21-GMR

D# NS-SI4311-B21-GMR

Silicon Laboratories Inc

OEM/CM ONLY

4393

SI4311-B21-GM

D# NS-SI4311-B21-GM

Silicon Laboratories Inc

OEM/CM ONLY

8217

Part Number

Manufacturer

Description

Stock

SI4311B21GMR

Silicon Laboratories Inc

OEM/CM ONLY

1466

SI4311B21GM

Silicon Laboratories Inc

OEM/CM ONLY

1664

Part Number

Manufacturer

Description

Stock

SI4311-B21-GM

Silicon Laboratories Inc

IN stock Immediate delivery

2025

Part Number

Manufacturer

Description

Stock

SI4311-B21-GMR

Silicon Laboratories Inc

315/434 MHz FSK Receiver

SI4311-B21-GM

Silicon Laboratories Inc

315/434 MHz FSK Receiver

Part Number

Manufacturer

Description

Stock

SI4311-B21-GM

Freescale Semiconductor

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SI4311-B21-GM

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