ECS-250-20-28AX-F-TR Surface mount 25 MHz crystal from ECS Inc. with ±30ppm frequency tolerance, 20pF load capacitance, and 30Ω ESR in a 12.50mm x 4.85mm HC-49/US package.
Mfr Part #:

ECS-250-20-28AX-F-TR

Available from 1 distributors
Mfr Name: ECS Inc.
ECS Inc.
Surface mount 25 MHz crystal from ECS Inc. with ±30ppm frequency tolerance, 20pF load capacitance, and 30Ω ESR in a 12.50mm x 4.85mm HC-49/US package.
Total Stock: 803 pcs
$ Price Range: $0.63 - $1.10

ECS-250-20-28AX-F-TR Available from 1 distributor

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
803 pcs
803 pcs On Request 1 On Request On Request N/A On Request On Request

ECS-250-20-28AX-F-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
Package Size
Tape & Reel
Type
Width

ECS-250-20-28AX-F-TR Description

Short technical summary and product information.

The ECS-250-20-28AX-F-TR is a surface mount MHz crystal from ECS Inc. It operates at a fundamental frequency of 25 MHz with a frequency tolerance of ±30 ppm and frequency stability of ±50 ppm over the temperature range of -10°C to 70°C.

 

Electrical characteristics include a load capacitance of 20 pF and an equivalent series resistance (ESR) of 30 Ω, making it suitable for timing and clock generation circuits requiring a precise 25 MHz reference.

 

The component is housed in a 28AX package (HC-49/US) measuring 12.50 mm x 4.85 mm with a height of 5.00 mm. It is surface mountable and designed for automated assembly, compatible with standard reflow soldering profiles.

ECS-250-20-28AX-F-TR Quick Information

Product Type: MHz Crystal
Series: CSM-4AX
Canonical Name: ECS-250-20-28AX-F-TR, 25 MHz ±30ppm Crystal, 20pF Load, Surface Mount
Subcategory: Surface Mount Crystal

ECS-250-20-28AX-F-TR Compliance

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

ECS-250-20-28AX-F-TR Estimated Pricing

Qty Low High
1+ $1.10 $1.10
10+ $0.96 $0.96
25+ $0.91 $0.91
50+ $0.87 $0.87
100+ $0.83 $0.83
250+ $0.79 $0.79
500+ $0.76 $0.76
1,000+ $0.72 $0.72
2,000+ $0.69 $0.69
3,000+ $0.68 $0.68
5,000+ $0.66 $0.66
7,000+ $0.64 $0.64
10,000+ $0.63 $0.63

Estimated market price range - modelled values for guidance only, not live distributor offers.

ECS-250-20-28AX-F-TR Features

  • 25 MHz fundamental mode quartz crystal.
  • ±30 ppm frequency tolerance and ±50 ppm stability.
  • 20 pF load capacitance with 30 Ω ESR.
  • Surface mount HC-49/US package.

ECS-250-20-28AX-F-TR Applications

  • Used in microcontroller clock circuits.
  • Ideal for timing in consumer electronics.
  • Suitable for communication interface modules.

ECS-250-20-28AX-F-TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the frequency of this crystal?

The frequency is 25 MHz.

What is the frequency tolerance?

The frequency tolerance is ±30 ppm.

What is the load capacitance?

The load capacitance is 20 pF.

What is the operating temperature range?

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

What is the package type?

The package is HC-49/US (28AX).

Is this crystal RoHS compliant?

Yes, it is RoHS3 Compliant.

What is the equivalent series resistance (ESR)?

The ESR is 30 Ω.

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