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ECS-245.7-20-4X The ECS-245.7-20-4X is a 24.576 MHz quartz crystal in a low-profile HC-49/US through-hole package with 20pF load capacitance and ±30ppm frequency tolerance.
Mfr Part #:

ECS-245.7-20-4X

Available from 1 distributors
Mfr Name: ECS Inc.
ECS Inc.
The ECS-245.7-20-4X is a 24.576 MHz quartz crystal in a low-profile HC-49/US through-hole package with 20pF load capacitance and ±30ppm frequency tolerance.
Total Stock: 17 pcs

ECS-245.7-20-4X Available from 1 distributor

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17 pcs
17 pcs On Request 1 On Request On Request NO DC On Request On Request

ECS-245.7-20-4X Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Aging (First Year)
Drive Level
ESR (Equivalent Series Resistance)
Frequency
Frequency Stability
Frequency Tolerance
Height
Lead Style
Length
Load Capacitance
Mounting Type
Operating Mode
Operating Temperature
Operating Temperature - Maximum
Package / Case
Shunt Capacitance
Storage Temperature
Storage Temperature (Maximum)
Termination Style
Type
Width

ECS-245.7-20-4X Description

Short technical summary and product information.

The ECS-245.7-20-4X is a fundamental mode quartz crystal operating at 24.576 MHz with a frequency tolerance of ±30 ppm at 25°C and frequency stability of ±50 ppm over the -10°C to +70°C temperature range. It features a load capacitance of 20 pF and a maximum equivalent series resistance (ESR) of 30 Ω, making it suitable for parallel resonant oscillator circuits.

 

This crystal is housed in a low-profile HC-49/US through-hole package measuring 11.35 mm x 4.65 mm with a height of 3.50 mm. It has radial leads with straight lead style and is designed for through-hole mounting. The drive level is 500 μW, and shunt capacitance is 7 pF.

 

The ECS-245.7-20-4X is RoHS3 compliant, lead-free, and has an MSL rating of 1 (unlimited). It is REACH unaffected and offers first-year aging of ±5 ppm. Storage temperature range is -55°C to +125°C.

ECS-245.7-20-4X Quick Information

Product Type: MHz Crystal
Series: HC-49USX
Canonical Name: ECS-245.7-20-4X (24.576 MHz, 20pF, HC-49/US Crystal)
Subcategory: Through Hole Crystals

ECS-245.7-20-4X Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: Pb Free/RoHS Compliant

ECS-245.7-20-4X Features

  • 24.576 MHz fundamental mode quartz crystal.
  • ±30 ppm frequency tolerance at 25°C.
  • 20 pF load capacitance for parallel resonant circuits.
  • Low profile HC-49/US through-hole package.
  • RoHS3 compliant and MSL 1 rated.

ECS-245.7-20-4X Applications

  • Used in timing circuits for microcontrollers.
  • Ideal for clock generation in communication equipment.
  • Suitable for consumer electronics and industrial controls.
  • Applicable in precision frequency reference designs.

ECS-245.7-20-4X FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating temperature range of the ECS-245.7-20-4X?

The operating temperature range is -10°C to +70°C.

What package does the ECS-245.7-20-4X come in?

It comes in an HC-49/US through-hole package.

Is the ECS-245.7-20-4X RoHS compliant?

Yes, it is RoHS3 compliant and lead-free.

What is the frequency tolerance of the ECS-245.7-20-4X?

The frequency tolerance is ±30 ppm at 25°C.

What load capacitance is required for the ECS-245.7-20-4X?

The load capacitance is 20 pF.

What is the equivalent series resistance (ESR) of the ECS-245.7-20-4X?

The maximum ESR is 30 Ω.

What is the frequency stability of the ECS-245.7-20-4X?

The frequency stability is ±50 ppm over the operating temperature range.

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