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ECS-120-S-20A-TR 12 MHz surface mount crystal from ECS Inc. with series load capacitance, ±30 ppm tolerance, and ±50 ppm stability.
Mfr Part #:

ECS-120-S-20A-TR

Available from 1 distributors
Mfr Name: ECS Inc.
ECS Inc.
12 MHz surface mount crystal from ECS Inc. with series load capacitance, ±30 ppm tolerance, and ±50 ppm stability.
Total Stock: 781 pcs

ECS-120-S-20A-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
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781 pcs
781 pcs On Request 1 On Request On Request On Request On Request On Request

ECS-120-S-20A-TR 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
Length
Load Capacitance
Mounting Type
Operating Mode
Operating Temperature
Package / Case
Package Code
Shunt Capacitance
Tape & Reel
Type
Width

ECS-120-S-20A-TR Description

Short technical summary and product information.

The ECS-120-S-20A-TR is a 12 MHz fundamental mode quartz crystal from ECS Inc., part of the CSM-8A series. It features a series resonant load capacitance and offers a frequency tolerance of ±30 ppm and stability of ±50 ppm over the -10°C to +70°C operating temperature range. The equivalent series resistance is 60 Ω maximum, with a drive level of 500 µW and shunt capacitance of 5 pF. This crystal is housed in a compact 7.00 mm x 5.00 mm surface-mount ceramic package (2-SMD, No Lead) with a low profile of 1.70 mm. It is RoHS3 compliant and suitable for applications requiring precise timing, such as microcontrollers, communication interfaces, and embedded systems. The part is supplied in tape and reel packaging for automated assembly.

ECS-120-S-20A-TR Quick Information

Product Type: MHz Crystal
Series: CSM-8A
Canonical Name: ECS-120-S-20A-TR 12 MHz Crystal, Series Load, SMD
Subcategory: Surface Mount Crystals

ECS-120-S-20A-TR Compliance

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

ECS-120-S-20A-TR Features

  • 12 MHz fundamental mode quartz crystal.
  • Series resonant load capacitance.
  • ±30 ppm frequency tolerance.
  • ±50 ppm frequency stability.
  • 60 Ω maximum equivalent series resistance.

ECS-120-S-20A-TR Applications

  • Ideal for microcontroller clock circuits.
  • Used in Ethernet and networking equipment.
  • Suitable for PCMCIA and modem cards.
  • Perfect for embedded system timing.

ECS-120-S-20A-TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the frequency of the ECS-120-S-20A-TR?

12 MHz.

What is the load capacitance?

Series resonant (no external load capacitance required).

What is the operating temperature range?

-10°C to +70°C.

What is the package size?

7.00 mm x 5.00 mm surface mount, 2-SMD no lead.

Is this crystal RoHS compliant?

Yes, RoHS3 compliant.

What is the equivalent series resistance (ESR)?

60 Ω maximum.

What is the frequency stability?

±50 ppm over -10°C to +70°C.

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