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ECS-250-18-5P-F-TR Surface mount quartz crystal from ECS Inc. with a frequency of 25 MHz, 18pF load capacitance, and ±30ppm tolerance in an HC-49/US package.
Mfr Part #:

ECS-250-18-5P-F-TR

Available from 1 distributors
Mfr Name: ECS Inc.
ECS Inc.
Surface mount quartz crystal from ECS Inc. with a frequency of 25 MHz, 18pF load capacitance, and ±30ppm tolerance in an HC-49/US package.
Total Stock: 25 pcs

ECS-250-18-5P-F-TR Available from 1 distributor

Authorised
Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
25 pcs
25 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

ECS-250-18-5P-F-TR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Aging
Drive Level
ESR (Equivalent Series Resistance)
Frequency
Frequency Stability
Frequency Tolerance
Height
Length
Load Capacitance
Mounting Type
Operating Mode
Operating Temperature
Operating Temperature Range
Package / Case
Shunt Capacitance
Standard Package Quantity
Storage Temperature Range
Tape & Reel
Type
Width

ECS-250-18-5P-F-TR Description

Short technical summary and product information.

The ECS-250-18-5P-F-TR is a surface mount quartz crystal from ECS Inc., part of the CSM-7 series. It operates at a fundamental frequency of 25 MHz with a load capacitance of 18 pF, making it suitable for a wide range of timing applications. Key electrical specifications include a maximum ESR of 30 Ω, frequency tolerance of ±30 ppm at 25°C, and frequency stability of ±50 ppm over -10°C to +70°C.

 

This crystal comes in a compact HC-49/US package measuring 11.4 mm x 4.8 mm x 4.3 mm, designed for surface mount assembly. It operates over an industrial temperature range of -10°C to +70°C and can be stored between -40°C and +105°C. The shunt capacitance is typically 7.0 pF, and the drive level is limited to 0.5 mW.

 

Applications include clock generation for microcontrollers, digital signal processors, and communication interfaces. The crystal is RoHS3 compliant and has an MSL of 1 (unlimited). It is supplied in tape and reel packaging with a standard quantity of 1000 pieces per reel.

ECS-250-18-5P-F-TR Quick Information

Product Type: MHz Crystal
Series: ECS-5P
Canonical Name: ECS Inc. ECS-250-18-5P-F-TR 25 MHz Crystal, 18pF Load Capacitance, SMD HC-49/US
Subcategory: SMD Crystal

ECS-250-18-5P-F-TR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

ECS-250-18-5P-F-TR Features

  • 25 MHz fundamental mode quartz crystal.
  • 18 pF load capacitance for accurate frequency.
  • Low ESR maximum 30 ohms.
  • ±30 ppm frequency tolerance at 25°C.
  • Surface mount HC-49/US package.

ECS-250-18-5P-F-TR Applications

  • Ideal for timing circuits in consumer electronics.
  • Used in microcontrollers and clock generators.
  • Suitable for industrial control systems.
  • Applications requiring stable frequency reference.

ECS-250-18-5P-F-TR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the package/case of the ECS-250-18-5P-F-TR?

The package is HC-49/US, surface mount.

What is the operating temperature range?

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

Is the ECS-250-18-5P-F-TR RoHS compliant?

Yes, it is RoHS3 compliant (unverified source).

What is the frequency tolerance of this crystal?

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

What is the load capacitance?

The load capacitance is 18 pF.

What is the maximum ESR?

The maximum ESR is 30 Ω.

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