Name: KS8721BL
Brand: Microchip Technology
SKU: KS8721BL
Availability: InStock
Rating: 5 (157 reviews)

KS8721BL

For Reference Only

Part Number	KS8721BL
Manufacturer	Microchip Technology
Description	IC TXRX PHY 10/100 3.3V 48LQFP
Datasheet	KS8721BL Datasheet KS8721BL Specifications
Package	48-LQFP
ECAD
In Stock	20,280 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Apr 22 - Apr 27 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # KS8721BL (Interface - Drivers, Receivers, Transceivers) is manufactured by Microchip Technology 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 KS8721BL specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add KS8721BL with quantity into BOM. Heisener.com does NOT require any registration to request a quote of KS8721BL.

KS8721BL Specifications

Manufacturer	Microchip Technology
Category	Integrated Circuits (ICs) - Interface - Drivers, Receivers, Transceivers
Package	48-LQFP
ECAD
Series	-
Type	Transceiver
Protocol	MII, RMII
Number of Drivers/Receivers	1/1
Duplex	Full
Receiver Hysteresis	-
Data Rate	-
Voltage - Supply	2.375 V ~ 2.625 V
Operating Temperature	0°C ~ 70°C
Mounting Type	Surface Mount
Package / Case	48-LQFP
Supplier Device Package	48-LQFP (7x7)

KS8721BL Datasheet

KS8721BL Reviews

Ernes*****mpath

March 29, 2023

★ ★ ★ ★ ★

Very user friendly to find part and specs. Easy to deal with the transaction for different payment types. Thanks!

Dari*****rker

March 29, 2023

★ ★ ★ ★ ★

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

Emers*****driguez

March 10, 2023

★ ★ ★ ★ ★

I enjoy Good service from Heisener team , I can get good quality components what I want in heisener.com.

Dan***** Cobb

February 27, 2023

★ ★ ★ ★ ★

I have always get a fast response from Heisener with my orders. As a small business owner I greatly appreciate that I can order as little as 1 item as opposed to other companies who require you place a larger minimum order.

Han*****uresh

February 23, 2023

★ ★ ★ ★ ★

I enjoy doing business with Heisener, please keep up the GREAT Service!

Kayl*****olden

February 19, 2023

★ ★ ★ ★ ★

Resonators were genuine Murata components and arrived in 3 days from Hongkong

Bryc*****endez

February 18, 2023

★ ★ ★ ★ ★

Most of the reviews for this product were positive so I took a chance.

Write a Review

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KS8721BL Packaging

KS8721BL FAQ

1. How to order KS8721BL 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 KS8721BL is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the KS8721BL. All suppliers must pass our qualification reviews before they can publish their products including KS8721BL on Heisener; we pay more attention to the channels and quality of KS8721BL products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the KS8721BL price and inventory displayed accurate?

The price and inventory of KS8721BL 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 KS8721BL?

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 KS8721BL we delivered, we will accept the replacement or return of the KS8721BL 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 KS8721BL.

(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 KS8721BL pin diagram, KS8721BL datasheet?

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

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KS8721BL 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

KS8721BLI

Micrel Inc

Part Number	Manufacturer	Description	Stock
KS8721BLA4	Micrel Inc	TXRX 10/100 3.3V 48-LQFP	0
KS8721BLI TR	Micrel Inc	TXRX 10/100 3.3V 48-LQFP	0
KS8721BL TR	Micrel Inc	IC TXRX PHY 10/100 3.3V 48LQFP	0
KS8721BLA4 TR	Micrel Inc	TXRX 10/100 3.3V 48-LQFP	0
KS8721BL	Micrel Inc	IC TXRX PHY 10/100 3.3V 48LQFP	0
KS8721BL-EVAL	Micrel Inc	BOARD EVAL EXPERIMENT KS8721BL	0
KS8721BLI	Micrel Inc	TXRX 10/100 3.3V 48-LQFP	0

Part Number	Manufacturer	Description	Stock
KS8721BL-TR D# KS8721BL-TR-ND	Microchip Technology Inc	IC TRANSCEIVER FULL 1/1 48LQFP	0
KS8721BL D# KS8721BL-ND	Microchip Technology Inc	IC TRANSCEIVER FULL 1/1 48LQFP	0
KS8721BLI-TR D# KS8721BLI-TR-ND	Microchip Technology Inc	IC TRANSCEIVER FULL 1/1 48LQFP	0
KS8721BLI D# KS8721BLI-ND	Microchip Technology Inc	IC TRANSCEIVER FULL 1/1 48LQFP	0
KS8721BL-EVAL D# 576-1007-ND	Microchip Technology Inc	BOARD EVAL EXPERIMENT KS8721BL	0
KS8721BLA4-TR D# KS8721BLA4-TR-ND	Microchip Technology Inc	IC TRANSCEIVER 1/1 48LQFP	0
KS8721BLA4 D# KS8721BLA4-ND	Microchip Technology Inc	IC TRANSCEIVER 1/1 48LQFP	0

Part Number

Manufacturer

Description

Stock

KS8721BLTR

D# KS8721BLTR

Samsung Electro-Mechanics

Industry Leading ISO:9001/AS9120A Stocking Distributor of Obsolete & Hard to Find IC's/Semi's, Specializing in Altera/Xilinx. In-House Counterfeit Detection Lab. In Business 20 Years. Free Shipping on Orders Over $250. Buy American, Buy Direct

1725

KS8721BL

D# KS8721BL

Samsung Electro-Mechanics

3808

Part Number

Manufacturer

Description

Stock

KS8721BL

MICREL

In stock shipping within 2days

300

Part Number	Manufacturer	Description	Stock
KS8721BL		OEM/CM QUOTES ONLY \| NO BROKERS	3480
KS8721BLI	MICROCH	OEM/CM QUOTES ONLY \| NO BROKERS	580
KS8721BLA4	Micrel Inc	OEM/CM QUOTES ONLY \| NO BROKERS	6
KS8721BLTR	Micrel Inc	OEM/CM QUOTES ONLY \| NO BROKERS	151

Part Number

Manufacturer

Description

Stock

KS8721BLZ

Microchip Technology Inc

OEM/CM ONLY

2464

Part Number	Manufacturer	Description	Stock
KS8721BL TR D# NS-KS8721BL TR	Micrel Inc	OEM/CM ONLY	7694
KS8721BL D# NS-KS8721BL	Micrel Inc	OEM/CM ONLY	4727
KS8721BLI D# NS-KS8721BLI	Micrel Inc	OEM/CM ONLY	4162
KS8721BL-EVAL D# NS-KS8721BL-EVAL	Micrel Inc	OEM/CM ONLY	6969

Part Number

Manufacturer

Description

Stock

KS8721BL

Micrel Inc

IC TXRX PHY 10/100 3.3V 48LQFP

Part Number	Manufacturer	Description	Stock
KS8721BLTR	Micrel Inc	OEM/CM ONLY	275
KS8721BLI	Micrel Inc	OEM/CM ONLY	299
KS8721BL	Micrel Inc	OEM/CM ONLY	496

Part Number

Manufacturer

Description

Stock

KS8721BL

Micrel Inc

shipping today

3206

KS8721BLI

Micrel Inc

shipping today

1716

Part Number	Manufacturer	Description	Stock
KS8721BLA4	Micrel Inc	RFQ	14848
KS8721BLI	Micrel Inc	RFQ	14489
KS8721BL1	Micrel Inc	RFQ	9110

Part Number

Manufacturer

Description

Stock

KS8721BLI

Microchip Technology Inc

IC TXRX PHY 10/100 3.3V 48LQFP

616

KS8721BL

Micrel Inc

3.3V 10/100 BASE-TX/FX PHYSICAL LAYER TRANSCEIVER

770

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KS8721BL

Certified Quality

Heisener's commitment to quality has shaped our processes for sourcing, testing, shipping, and every step in between. This foundation underlies each component we sell.

ISO9001:2015, ICAS, IAF, UKAS