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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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✓ Non-Authorised
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Hybrid Electronics ✓
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17 pcs
On Request
17 pcs On Request 1 On Request On Request NO DC On Request On Request
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ECS-245.7-20-4X Specifications Quick View

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