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Home Products RF/IF and RFID RF Receivers~~MICRF219AAYQS-TR~~

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MICRF219AAYQS-TR - Micrel / Microchip Technology

Name: Micrel / Microchip Technology MICRF219AAYQS-TR
Brand: Micrel / Microchip Technology
SKU: MICRF219AAYQS-TR
Price: 2.805 USD
Availability: InStock
Rating: 5 (4 reviews)

Manufacturer Part Number: MICRF219AAYQS-TR

Manufacturer: Microchip Technology

Allelco Part Number: 32D-MICRF219AAYQS-TR

Warranty: 1 Year Allelco Warranty - Find out more

Parts Description: IC RECEIVER QWIKRADIO 16QSOP

Package: 16-QSOP

Data sheet: 1.MICRF219AAYQS-T.pdf ...

Datasheets
Cylindrical Battery Holders.pdf

RoHs Status: Lead free / RoHS Compliant

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In stock: 19107

Unit Price: $3.781
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$3.781	$3.78
10+	$3.321	$33.21
30+	$3.041	$91.23
100+	$2.805	$280.50

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

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Specifications

MICRF219AAYQS-TR Tech Specifications
Micrel / Microchip Technology - MICRF219AAYQS-TR technical specifications, attributes, parameters and parts with similar specifications to Micrel / Microchip Technology - MICRF219AAYQS-TR

Product Attribute	Attribute Value
Manufacturer	Microchip Technology
Voltage - Supply	3 V ~ 3.6 V
Supplier Device Package	16-QSOP
Series	-
Sensitivity	-112.5dBm
Packaging	Tape & Reel (TR)
Package / Case	16-SSOP (0.154", 3.90mm Width)
Other Names	576-3892-2 MICRF219AAYQS TR MICRF219AAYQSTR
Operating Temperature	-40°C ~ 105°C
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Modulation or Protocol	ASK, OOK

Product Attribute	Attribute Value
Memory Size	-
Manufacturer Standard Lead Time	25 Weeks
Lead Free Status / RoHS Status	Lead free / RoHS Compliant
Frequency	300MHz ~ 450MHz
Features	RSSI Equipped
Detailed Description	- RF Receiver ASK, OOK 300MHz ~ 450MHz -112.5dBm PCB, Surface Mount 16-QSOP
Data Rate (Max)	-
Data Interface	PCB, Surface Mount
Current - Receiving	4.3mA
Applications	General Purpose
Antenna Connector	PCB, Surface Mount

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	Lead free / RoHS Compliant

Parts Introduction

Manufacturer Part Number

MICRF219AAYQS-TR

Manufacturer

Microchip Technology

Introduction

RF receiver IC for ASK/OOK modulation

Operates at 300MHz to 450MHz frequency range

Product Features and Performance

High sensitivity of -112.5dBm

Low current consumption of 4.3mA during reception

Equipped with RSSI (Received Signal Strength Indicator) feature

Wide operating temperature range of -40°C to 105°C

Small 16-QSOP package size

Product Advantages

Excellent sensitivity for reliable wireless communication

Low power consumption for battery-powered applications

RSSI function enables signal strength monitoring

Broad temperature range for use in diverse environments

Compact package size for space-constrained designs

Key Technical Parameters

Frequency range: 300MHz to 450MHz

Supply voltage: 3V to 3.6V

Package: 16-QSOP (0.154", 3.90mm Width)

Quality and Safety Features

Lead-free and RoHS compliant

Moisture Sensitivity Level (MSL) 1 rating for unlimited floor life

Compatibility

PCB, surface mount design

Suitable for general purpose wireless applications

Application Areas

Wireless remote controls

Industrial automation

Smart home and IoT devices

Security and access control systems

Product Lifecycle

Currently in production

No known plans for discontinuation

Replacement/upgrade options may be available from Microchip

Key Reasons to Choose This Product

Excellent sensitivity and low power consumption

Integrated RSSI function for monitoring signal strength

Wide operating temperature range for diverse applications

Compact and surface mount package for space-efficient designs

Lead-free and RoHS compliant for environmental compliance

Parts with Similar Specifications

The three parts on the right have similar specifications to Micrel / Microchip Technology MICRF219AAYQS-TR

Product Attribute
Part Number	MICRF219AYQS-TR	MICRF218AYQS-TR	MICRF220AYQS-TR	MICRF219AAYQS
Manufacturer	Microchip Technology	Microchip Technology	Microchip Technology	Microchip Technology
Voltage - Supply	-	-	-	-
Lead Free Status / RoHS Status	-	-	-	-
Data Rate (Max)	-	-	-	-
Applications	-	-	-	-
Current - Receiving	-	-	-	-
Manufacturer Standard Lead Time	-	-	-	-
Packaging	-	-	-	-
Modulation or Protocol	-	-	-	-
Frequency	-	-	-	-
Moisture Sensitivity Level (MSL)	-	-	-	-
Antenna Connector	-	-	-	-
Series	-	-	-	-
Detailed Description	-	-	-	-
Memory Size	-	-	-	-
Supplier Device Package	-	196-NFBGA (12x12)	16-PDIP	64-VQFN (9x9)
Other Names	-	-	-	-
Sensitivity	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Features	-	-	-	Simultaneous Sampling
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Data Interface	-	LVDS - Parallel	I²C	LVDS - Parallel, Parallel

MICRF219AAYQS-TR Datasheet PDF

Download MICRF219AAYQS-TR pdf datasheets and Micrel / Microchip Technology documentation for MICRF219AAYQS-TR - Micrel / Microchip Technology.

Datasheets: Cylindrical Battery Holders.pdf

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Customer Reviews

Evaluation: 10 Articles

Jess***Jones

Apr 17, 2026

It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.
Mich***Smith

Apr 17, 2026

Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.
Aman***arris

Apr 3, 2026

It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.
Mike***nch

Apr 3, 2026

Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.
Daic***K.

Mar 23, 2026

Very good. No issue after long time testing.
Kevi***.

Mar 17, 2026

Fast switching and stable output. Very satisfied with this IC
Daou***hekebkeb

Jun 16, 2024

I had a great experience purchasing items from Allelcoelec, I recommend
Uri ***al

Jun 19, 2024

Good comunication,
Transpnt regarding the process and price.
Yaqu***l Ali

Jun 19, 2024

Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.
Lea ***

Jun 19, 2024

Morrey was very helpful and right on top of things!
He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

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