ECS-36-20-18-TR ECS-36-20-18-TR is a 3.6864 MHz fundamental mode quartz crystal in a CSM-12 SMD package. It features ±30ppm frequency tolerance, ±100ppm stability, and 20pF load capacitance.
Mfr Part #:

ECS-36-20-18-TR

Available from 1 distributors
Mfr Name: ECS Inc.
ECS Inc.
ECS-36-20-18-TR is a 3.6864 MHz fundamental mode quartz crystal in a CSM-12 SMD package. It features ±30ppm frequency tolerance, ±100ppm stability, and 20pF load capacitance.
✓ Total Stock: 245 pcs

ECS-36-20-18-TR Available from 1 distributor

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245 pcs
245 pcs On Request 1 On Request On Request 2026-02-25 06:16:38 On Request On Request

ECS-36-20-18-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
Termination Style
Type
Width

ECS-36-20-18-TR Description

Short technical summary and product information.

The ECS-36-20-18-TR is a 3.6864 MHz fundamental mode quartz crystal from ECS Inc., housed in a compact CSM-12 surface mount package measuring 11.80mm x 5.50mm with a 2.50mm profile. This crystal offers a frequency tolerance of ±30ppm at +25°C and frequency stability of ±100ppm over the full -40°C to +85°C industrial temperature range.

 

Designed for general-purpose timing applications, the device features a maximum equivalent series resistance (ESR) of 200Ω and a load capacitance of 20pF. Typical shunt capacitance is 7pF, and the drive level is 100μW. The crystal exhibits aging of ±5ppm in the first year at +25°C.

 

The CSM-12 package is RoHS3 compliant and rated MSL 1 (unlimited). It is supplied in tape and reel packaging with a standard quantity of 1000 pieces per reel, suitable for automated assembly processes.

ECS-36-20-18-TR Quick Information

Product Type: MHz Crystal Unit
Series: CSM-12
Canonical Name: ECS-36-20-18-TR 3.6864 MHz Surface Mount Crystal
Subcategory: Surface Mount Crystal

ECS-36-20-18-TR Compliance

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

ECS-36-20-18-TR Features

  • 3.6864 MHz fundamental mode crystal.
  • ±30ppm frequency tolerance at 25°C.
  • ±100ppm stability over -40°C to +85°C.
  • 20pF load capacitance with 200Ω max ESR.
  • Compact CSM-12 SMD package, RoHS3 compliant.

ECS-36-20-18-TR Applications

  • Used in microcontroller clock circuits.
  • Suitable for industrial temperature range designs.
  • Ideal for consumer electronics timing applications.
  • Applicable in communication interface modules.

ECS-36-20-18-TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the frequency of the ECS-36-20-18-TR crystal?

The nominal frequency is 3.6864 MHz.

What is the frequency tolerance and stability of this crystal?

Frequency tolerance is ±30ppm at +25°C, and frequency stability is ±100ppm over -40°C to +85°C.

What is the load capacitance of the ECS-36-20-18-TR?

The load capacitance is 20pF.

What is the operating temperature range?

The operating temperature range is -40°C to +85°C.

What package does the ECS-36-20-18-TR come in?

It comes in a CSM-12 surface mount package with dimensions 11.80mm x 5.50mm x 2.50mm.

Is the ECS-36-20-18-TR RoHS compliant?

Yes, it is RoHS3 compliant.

What is the maximum ESR of this crystal?

The maximum equivalent series resistance (ESR) is 200Ω.

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