Name: LE57D121BTC
Brand: Microsemi Corporation
SKU: LE57D121BTC
Price: 20.1716 USD
Availability: InStock
Rating: 5 (147 reviews)

LE57D121BTC

For Reference Only

Part Number	LE57D121BTC
Manufacturer	Microsemi Corporation
Description	IC SLIC 2CH 53DB 44TQFP
Datasheet	LE57D121BTC Datasheet LE57D121BTC Specifications
Package	44-TQFP Exposed Pad
ECAD
In Stock	501,816 piece(s)
Unit Price	$ 20.1716 *
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 29 - Jul 4 (Choose Expedited Shipping)
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Part Number # LE57D121BTC (Interface - Telecom) is manufactured by Microsemi Corporation 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 LE57D121BTC specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add LE57D121BTC with quantity into BOM. Heisener.com does NOT require any registration to request a quote of LE57D121BTC.

LE57D121BTC Specifications

Manufacturer	Microsemi Corporation
Category	Integrated Circuits (ICs) - Interface - Telecom
Package	44-TQFP Exposed Pad
ECAD
Series	-
Function	Subscriber Line Interface Concept (SLIC)
Interface	2-Wire
Number of Circuits	2
Voltage - Supply	4.75 V ~ 5.25 V
Current - Supply	-
Power (Watts)	-
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Package / Case	44-TQFP Exposed Pad
Supplier Device Package	44-TQFP-EP (10x10)

LE57D121BTC Datasheet

LE57D121BTC Reviews

Jaxo*****nnan

April 2, 2023

★ ★ ★ ★ ★

EXACTLY what I was looking for -- one piece with a low forward voltage drop to isolate some DC power sources. They work fantastic!

Ivo*****Tank

March 29, 2023

★ ★ ★ ★ ★

Competitively priced set of diodes, tested as described. Quality is about what you would expect for no- or off-brand.

Sop***** Bose

March 19, 2023

★ ★ ★ ★ ★

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

Adeli*****pinosa

March 12, 2023

★ ★ ★ ★ ★

To be honest, I think you are doing an outstanding job.

Julian*****enzuela

March 11, 2023

★ ★ ★ ★ ★

Great product at a good price. No complaints.

Atl*****Good

March 3, 2023

★ ★ ★ ★ ★

Great price. Worked well for my needs.

Marc*****Gaines

February 26, 2023

★ ★ ★ ★ ★

Completely satisfied of LE57D121BTC , I always find what I need. The site is easy to get the components .

Write a Review

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LE57D121BTC Packaging

LE57D121BTC FAQ

1. How to order LE57D121BTC 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 LE57D121BTC is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LE57D121BTC. All suppliers must pass our qualification reviews before they can publish their products including LE57D121BTC on Heisener; we pay more attention to the channels and quality of LE57D121BTC products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LE57D121BTC price and inventory displayed accurate?

The price and inventory of LE57D121BTC 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 LE57D121BTC?

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 LE57D121BTC we delivered, we will accept the replacement or return of the LE57D121BTC 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 LE57D121BTC.

(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 LE57D121BTC pin diagram, LE57D121BTC datasheet?

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

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LE57D121BTC 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

LE57D121BTC

D# V36:1790_09157058

Microchip Technology Inc

SLIC 2-CH 67dB 120mA 5V 44-Pin LQFP EP Tray

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

D# LE57D121BTCT

Microchip Technology Inc

SLIC 2-CH 67dB 120mA 5V 44-Pin LQFP EP T/R - Tape and Reel (Alt: LE57D121BTCT)

RoHS: Compliant

LE57D121BTC

D# LE57D121BTC

Microchip Technology Inc

SLIC 2-CH 67dB 120mA 5V 44-Pin LQFP EP Tray - Trays (Alt: LE57D121BTC)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LE57D121BTC

Microsemi Corporation

2CHANNEL SLIC 53DB LGBAL PQE44 ROHS

4000

LE57D121BTCT

Microsemi Corporation

IC SLIC 2CH 53DB 44TQFP

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

D# LE57D121BTCT-ND

Microchip Technology Inc

IC TELECOM INTERFACE 44TQFP

LE57D121BTC

D# LE57D121BTC-ND

Microchip Technology Inc

IC TELECOM INTERFACE 44TQFP

Part Number

Manufacturer

Description

Stock

LE57D121BTC

Microsemi Corporation

In stock shipping within 2days

43921

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

Microchip Technology Inc

RoHS: Compliant

pbFree: Yes

LE57D121BTC

Microchip Technology Inc

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

LE57D121BTC

OEM/CM QUOTES ONLY | NO BROKERS

5800

LE57D121BTCT

Microsemi Corporation

OEM/CM QUOTES ONLY | NO BROKERS

4872

Part Number

Manufacturer

Description

Stock

LE57D121BTC

Microchip Technology Inc

RoHS: Not Compliant

LE57D121BTCT

Microchip Technology Inc

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

LE57D121BTC

D# LE57D121BTC

Microchip Technology Inc

2CH SLIC 53DB LGBAL PQE44

RoHS: Compliant

pbFree: Yes

4800

LE57D121BTCT

D# LE57D121BTCT

Microchip Technology Inc

2CH SLIC 53DB LGBAL PQE44 T&R

RoHS: Compliant

pbFree: Yes

1500

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

Legerity

OEM/CM Immediate delivery

5700

LE57D121BTC

Microsemi Corporation

OEM/CM Immediate delivery

43396

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

Microchip Technology Inc

2CH SLIC, 53DB LGBAL, PQE44, T&R, 44 TQFP 10x10x1mm T/R

RoHS: Compliant

LE57D121BTC

Microchip Technology Inc

2CH SLIC, 53DB LGBAL, PQE44, 44 TQFP 10x10x1mm TRAY

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

D# MCHP00000107078

Microchip Technology Inc

2CH SLIC, 53DB LGBAL, PQE44, T&R, 44 TQFP 10x10x1mm T/R

LE57D121BTC

D# MCHP00000107077

Microchip Technology Inc

2CH SLIC, 53DB LGBAL, PQE44, 44 TQFP 10x10x1mm TRAY

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

D# 03AH2149

Microchip Technology Inc

2CH SLIC, 53DB LGBAL, PQE44, T&R 44 TQFP 10X10X1MM T/R ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 1500

Container: TAPE & REEL - FULL

LE57D121BTC

D# 03AH2148

Microchip Technology Inc

2CH SLIC, 53DB LGBAL, PQE44 44 TQFP 10X10X1MM TRAY ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 800

Container: Bulk

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

D# NS-LE57D121BTCT

Microsemi Consumer Medical Product Group

OEM/CM ONLY

3899

LE57D121BTC

D# NS-LE57D121BTC

Microsemi Consumer Medical Product Group

OEM/CM ONLY

1594

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

Microchip Technology Inc

RoHS: Not Compliant

LE57D121BTC

Microchip Technology Inc

RoHS: Not Compliant

Part Number

Manufacturer

Description

Stock

LE57D121BTC

Zarlink Semiconductor Inc

OEM/CM ONLY

21308

LE57D121BTCT

Zarlink Semiconductor Inc

OEM/CM ONLY

4216

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

LEGERITY

IN stock Immediate delivery

5715

LE57D121BTC

Microsemi Corporation

IN stock Immediate delivery

43381

Part Number

Manufacturer

Description

Stock

LE57D121BTCT

ON Semiconductor

shipping today

LE57D121BTC

Vimicro Corporation

shipping today

205

Part Number

Manufacturer

Description

Stock

LE57D121BTC

LEGERI

RFQ

13102

Quick Inquiry

LE57D121BTC

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