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ECS-40-20-5PX-TR ECS-40-20-5PX-TR is a 4.0000 MHz surface-mount crystal with ±30ppm frequency tolerance and 20 pF load capacitance, housed in a CSM-7X package.
Mfr Part #:

ECS-40-20-5PX-TR

Available from 4 distributors
Mfr Name: ECS Inc.
ECS Inc.
ECS-40-20-5PX-TR is a 4.0000 MHz surface-mount crystal with ±30ppm frequency tolerance and 20 pF load capacitance, housed in a CSM-7X package.
✓ Total Stock: 366 pcs

ECS-40-20-5PX-TR Available from 4 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
Non-Authorised Inventory information
285 pcs
On Request
285 pcs On Request 1 On Request On Request On Request On Request 2026-04-21 06:15:10
Braun Electronic Components ✓
Non-Authorised Inventory information
33 pcs
On Request
33 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
32 pcs
On Request
32 pcs On Request 1 On Request On Request 22+ On Request On Request
Hybrid Electronics ✓
Non-Authorised Inventory information
16 pcs
On Request
16 pcs On Request 1 On Request On Request 0701 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

ECS-40-20-5PX-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 / Case
Storage Temperature
Tape & Reel
Type
Width
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ECS-40-20-5PX-TR Description

Short technical summary and product information.

The ECS-40-20-5PX-TR is a 4.0000 MHz fundamental mode quartz crystal manufactured by ECS Inc. It features a frequency tolerance of ±30 ppm at +25°C and frequency stability of ±50 ppm over the operating temperature range of -10°C to +70°C. The crystal is designed for a load capacitance of 20 pF and has a maximum ESR of 150 Ω.

 

Housed in the industry-standard CSM-7X surface-mount package (11.40 mm x 4.80 mm x 4.30 mm maximum height), this crystal is RoHS compliant and rated MSL Level 1. It is suitable for general-purpose timing and clock generation applications.

 

The part is supplied on tape and reel with a standard quantity of 1000 pieces per reel. Drive level is 500 μW maximum and first-year aging is ±5 ppm maximum.

ECS-40-20-5PX-TR Quick Information

Product Type: Crystal
Series: CSM-7X
Canonical Name: ECS-40-20-5PX-TR SMD Crystal
Subcategory: SMD Crystal

ECS-40-20-5PX-TR Compliance

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

ECS-40-20-5PX-TR Features

  • Fundamental mode 4 MHz operation.
  • ±30 ppm frequency tolerance at +25°C.
  • ±50 ppm stability from -10°C to +70°C.
  • Surface mount CSM-7X package (11.4x4.8x4.3mm).
  • RoHS compliant, MSL Level 1.

ECS-40-20-5PX-TR Applications

  • Microprocessor clock generation circuits.
  • Consumer electronics timing references.
  • Embedded system oscillator circuits.
  • Low-cost communication module clocks.

ECS-40-20-5PX-TR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the frequency of the ECS-40-20-5PX-TR?

The frequency is 4 MHz.

What is the frequency tolerance and stability?

Tolerance is ±30 ppm at +25°C; stability is ±50 ppm from -10°C to +70°C.

What load capacitance is required?

20 pF load capacitance.

Is this component RoHS compliant?

Yes, it is RoHS3 compliant as stated in the datasheet.

What is the operating temperature range?

-10°C to +70°C.

What package does the ECS-40-20-5PX-TR use?

The package is CSM-7X SMD (11.40 mm x 4.80 mm x 4.30 mm maximum height).

What is the maximum ESR at 4 MHz?

150 Ω maximum.

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