Name: ECS-40-20-4
Brand: ECS Inc.
SKU: ECS-40-20-4
Availability: InStock
Rating: 5 (123 reviews)

ECS-40-20-4

For Reference Only

Part Number	ECS-40-20-4
Manufacturer	ECS Inc.
Description	CRYSTAL 4.0000MHZ 20PF T/H
Datasheet	ECS-40-20-4 Datasheet ECS-40-20-4 Specifications
Package	HC49/US
ECAD
In Stock	74,694 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Jun 16 - Jun 21 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # ECS-40-20-4 (Crystals) is manufactured by ECS Inc. 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 ECS-40-20-4 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add ECS-40-20-4 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of ECS-40-20-4.

ECS-40-20-4 Specifications

Manufacturer	ECS Inc.
Category	Crystals, Oscillators, Resonators - Crystals
Package	HC49/US
ECAD
Series	HC-49US
Type	MHz Crystal
Frequency	4MHz
Frequency Stability	±50ppm
Frequency Tolerance	±30ppm
Load Capacitance	20pF
ESR (Equivalent Series Resistance)	150 Ohm
Operating Mode	Fundamental
Operating Temperature	-10°C ~ 70°C
Ratings	-
Mounting Type	Through Hole
Package / Case	HC49/US
Size / Dimension	0.447" L x 0.183" W (11.35mm x 4.65mm)
Height - Seated (Max)	0.138" (3.50mm)

ECS-40-20-4 Datasheet

ECS-40-20-4 Reviews

Charlo*****tchinson

March 28, 2023

★ ★ ★ ★ ★

What I like was it was shipped fast and no damage.

Rica*****Kari

March 15, 2023

★ ★ ★ ★ ★

The products are good, the amount is correct. The values are correct.

Kay***** Mays

March 14, 2023

★ ★ ★ ★ ★

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

Emil*****olomon

March 11, 2023

★ ★ ★ ★ ★

Excellent, high quality product at a reasonable price. Timely delivery. Highly recommend product and vendor.

Mar*****ace

March 10, 2023

★ ★ ★ ★ ★

I love your products are well organized. You make it easy to spend $$$! Lol. Keep up the good work folks!

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ECS-40-20-4 Packaging

ECS-40-20-4 FAQ

1. How to order ECS-40-20-4 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 ECS-40-20-4 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the ECS-40-20-4. All suppliers must pass our qualification reviews before they can publish their products including ECS-40-20-4 on Heisener; we pay more attention to the channels and quality of ECS-40-20-4 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the ECS-40-20-4 price and inventory displayed accurate?

The price and inventory of ECS-40-20-4 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 ECS-40-20-4?

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 ECS-40-20-4 we delivered, we will accept the replacement or return of the ECS-40-20-4 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 ECS-40-20-4.

(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 ECS-40-20-4 pin diagram, ECS-40-20-4 datasheet?

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

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ECS-40-20-4 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
ECS-40-20-4XDN D# V99:2348_17722240	ECS International Inc	Crystal 4MHz ±30ppm (Tol) ±100ppm (Stability) 20pF FUND 150Ohm 2-Pin HC-49/USX Thru-Hole Bulk RoHS: Compliant	0
ECS-40-20-4X D# V99:2348_17722571	ECS International Inc	Crystal 4MHz ±30ppm (Tol) ±50ppm (Stability) 20pF FUND 150Ohm 2-Pin HC-49/USX Thru-Hole Bulk RoHS: Compliant	0
ECS-40-20-4VX D# V99:2348_19875090	ECS International Inc	Crystal 4MHz ±30ppm (Tol) ±50ppm (Stability) 20pF FUND 150Ohm 2-Pin HC-49/USSX Thru-Hole Bulk RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
ECS-40-20-4X D# ECS-40-20-4X	ECS International Inc	Crystal 4MHz 20pF 2-Pin HC-49/U - Bulk (Alt: ECS-40-20-4X) RoHS: Compliant	0
ECS-40-20-4XDN D# ECS-40-20-4XDN	ECS International Inc	Crystal 4MHz 20pF 2-Pin HC-49/US - Bulk (Alt: ECS-40-20-4XDN)	0
ECS-40-20-4VX D# ECS-40-20-4VX	ECS International Inc	4.000 MHZ 20PF HC-49USSX 30/50 PPM -10 TO +70C 2.1MM H ROH - Bulk (Alt: ECS-40-20-4VX) RoHS: Compliant	0

Part Number	Manufacturer	Description	Stock
ECS-40-20-4VX	ECS International Inc	CRYSTAL 4MHZ 20PF THRU	517
ECS-40-20-4X	ECS International Inc	Crystals 4MHz 20pF	10445
ECS-40-20-4	ECS International Inc	Crystals 4MHz 20pF	10445
ECS-40-20-4XDN	ECS International Inc	Crystals 4MHz 20pF EX/TEMP HC-49US	2363
ECS-40-20-4DN	ECS International Inc	CRYSTAL 4MHZ 20PF THRU	812
ECS-40-20-4V	ECS International Inc	CRYSTAL 4MHZ 20PF THRU	517

Part Number	Manufacturer	Description	Stock
ECS-40-20-4VX D# XC1570-ND	ECS International Inc	CRYSTAL 4.0000MHZ 20PF TH	456
ECS-40-20-4X D# X1045-ND	ECS International Inc	CRYSTAL 4.0000MHZ 20PF TH	9618
ECS-40-20-4DN D# X186-ND	ECS International Inc	CRYSTAL 4.0000MHZ 20PF TH	489
ECS-40-20-4XDN D# X1112-ND	ECS International Inc	CRYSTAL 4.0000MHZ 20PF TH	0
ECS-40-20-4 D# X405-ND	ECS International Inc	CRYSTAL 4.0000MHZ 20PF TH	3990

Part Number

Manufacturer

Description

Stock

ECS-40-20-4

D# ECS-40-20-4

ECS

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

Part Number	Manufacturer	Description	Stock
ECS-40-20-4VX	ECS International Inc	RoHS: Compliant pbFree: Yes	0
ECS-40-20-4X	ECS International Inc	HC-49USX Series 40 MHz ±30 ppm 20 pF -10 to +70°C Through Hole Quartz Crystal RoHS: Compliant pbFree: Yes	0
ECS-40-20-4XDN	ECS International Inc	HC-49USX-DN Series 4.000Mhz 100ppm 20pF -40°C ~ 85°C 11.35mm x 4.65mm Crystal RoHS: Compliant pbFree: Yes	0

Part Number

Manufacturer

Description

Stock

ECS-40-20-4X

ECS

OEM/CM Immediate delivery

1600

Part Number	Manufacturer	Description	Stock
ECS-40-20-4XDN D# 520-HCU400-20DNX	ECS International Inc	Crystals 4MHz 20pF EX/TEMP HC-49US RoHS: Compliant	957
ECS-40-20-4VX D# 520-ECS-40-20-4VX	ECS International Inc	Crystals 4.000Mhz 30ppm 20pF RoHS: Compliant	980
ECS-40-20-4X D# 520-HCU400-20X	ECS International Inc	Crystals 4MHz 20pF RoHS: Compliant	1592
ECS-40-20-4X-DN-TR D# 520-ECS-40-20-4XDN-T	ECS International Inc	Crystals 4MHz 20pF -40C +85C RoHS: Compliant	953

Part Number	Manufacturer	Description	Stock
ECS-40-20-4X D# NS-ECS-40-20-4X	ECS Inc	OEM/CM ONLY	6101
ECS-40-20-4VX D# NS-ECS-40-20-4VX	ECS Inc	OEM/CM ONLY	5661
ECS-40-20-4DN D# NS-ECS-40-20-4DN	ECS Inc	OEM/CM ONLY	2622
ECS-40-20-4XDN D# NS-ECS-40-20-4XDN	ECS Inc	OEM/CM ONLY	12832
ECS-40-20-4 D# NS-ECS-40-20-4	ECS Inc	OEM/CM ONLY	5606

Part Number	Manufacturer	Description	Stock
ECS-40-20-4DN	ECS International Inc	CRYSTAL, 4 MHZ, 20PF, HC-49/US, EX/TEMP	500
ECS-40-20-4	ECS International Inc	CRYSTAL,4.000MHZ,20PF,HC-49/US	592
ECS-40-20-4X	ECS International Inc	CRYSTAL, 4 MHZ, 20PF, HC-49/US	91

Part Number	Manufacturer	Description	Stock
ECS40204DN	ECS International Inc	OEM/CM ONLY	626
ECS40204.000MHZ		OEM/CM ONLY	116
ECS40204XDN	ECS International Inc	OEM/CM ONLY	2378
ECS40204VX	ECS International Inc	OEM/CM ONLY	551
ECS40204	ECS International Inc	OEM/CM ONLY	2094
ECS40204.00MHZ	ECS International Inc	OEM/CM ONLY	166
ECS40204X	ECS International Inc	OEM/CM ONLY	235

Part Number

Manufacturer

Description

Stock

ECS-40-20-4X

ECS

IN stock Immediate delivery

1615

Part Number

Manufacturer

Description

Stock

ECS-40-20-4

D# 2039001618

ECS

ECS-40-20-4 ECS Oscillator 4MHz crystal

198

Part Number

Manufacturer

Description

Stock

ECS-40-20-4X

ECS

shipping today

1599

Part Number

Manufacturer

Description

Stock

ECS-40-20-4VX

D# 32919123

ECS

Crystal 4MHz ±30ppm (Tol) ±50ppm (Stability) 20pF FUND 150Ohm 2-Pin HC-49/USSX Thru-Hole Bulk

RoHS: Compliant

ECS-40-20-4X

D# 36739425

ECS

Crystal 4MHz ±30ppm (Tol) ±50ppm (Stability) 20pF FUND 150Ohm 2-Pin HC-49/USX Thru-Hole Bulk

RoHS: Compliant

Quick Inquiry

ECS-40-20-4

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