ECS-250-18-7SX-TR The ECS-250-18-7SX-TR is a 25 MHz surface mount crystal from ECS Inc. with ±30 ppm frequency tolerance and ±50 ppm stability over -10°C to +70°C.
Mfr Part #:

ECS-250-18-7SX-TR

Available from 2 distributors
Mfr Name: ECS Inc.
ECS Inc.
The ECS-250-18-7SX-TR is a 25 MHz surface mount crystal from ECS Inc. with ±30 ppm frequency tolerance and ±50 ppm stability over -10°C to +70°C.
✓ Total Stock: 2,119 pcs

ECS-250-18-7SX-TR Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
2,000 pcs
2000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
119 pcs
119 pcs On Request 1 On Request On Request On Request On Request On Request

ECS-250-18-7SX-TR 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
Length
Load Capacitance
Mounting Type
Operating Mode
Operating Temperature
Operating Temperature Range
Package / Case
Tape & Reel
Type
Width

ECS-250-18-7SX-TR Description

Short technical summary and product information.

The ECS-250-18-7SX-TR is a 25.0000 MHz quartz crystal in the ECX-3SX series from ECS Inc. International. It is designed for surface mount applications and operates in fundamental mode.

 

Key electrical specifications include a nominal frequency of 25 MHz with ±30 ppm tolerance at +25°C and ±50 ppm stability over the operating temperature range of -10°C to +70°C. The crystal requires an 18 pF load capacitance and features a maximum equivalent series resistance (ESR) of 50 Ω. Shunt capacitance is 7.0 pF typical, and maximum drive level is 100 μW.

 

The crystal is packaged in a 4-SOJ, 9.40mm pitch SMD package measuring 12.50mm x 4.60mm x 3.70mm. It is supplied on tape and reel with a standard quantity of 1000 pieces per reel.

ECS-250-18-7SX-TR Quick Information

Product Type: Quartz Crystal
Series: 7SX
Canonical Name: ECS-250-18-7SX-TR - 25 MHz 18pF SMD Crystal
Subcategory: SMD Crystal

ECS-250-18-7SX-TR Compliance

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

ECS-250-18-7SX-TR Features

  • Fundamental mode 25 MHz quartz crystal.
  • ±30 ppm frequency tolerance at +25°C.
  • ±50 ppm stability over -10°C to +70°C.
  • 18 pF load capacitance, 50 Ω max ESR.
  • Surface mount ECX-3SX package, 9.40mm pitch.

ECS-250-18-7SX-TR Applications

  • General purpose timing and clock circuits.
  • Microprocessor and microcontroller clock sources.
  • Consumer electronics and IoT devices.

ECS-250-18-7SX-TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the frequency of the ECS-250-18-7SX-TR?

The nominal frequency is 25 MHz.

What is the frequency tolerance at room temperature?

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

What is the operating temperature range?

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

What is the package type?

The package is 4-SOJ with 9.40mm pitch, surface mount dimensions 12.50mm x 4.60mm x 3.70mm.

Is the ECS-250-18-7SX-TR RoHS compliant?

Yes, it is listed as RoHS3 compliant.

What is the maximum ESR at 25 MHz?

The maximum equivalent series resistance is 50 Ω for fundamental mode between 10 and 35.999 MHz.

What load capacitance is required?

The required load capacitance is 18 pF.

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