ECS-35-S-5P-TR Crystal 4.679545MHz Equivalent & Substitute Parts

Part Overview

The ECS-35-S-5P-TR is a 4.679545 MHz crystal oscillator in HC-49/US surface mount package, designed for applications requiring precise frequency reference at this standard NTSC color subcarrier frequency. This part is classified as Not For New Designs, indicating it is legacy technology. Identifying equivalent substitute parts is necessary for ongoing production support, maintenance applications, and component sourcing continuity where this frequency specification is required.

Substiute Parts

ECS-35-S-5P-TR

ECS Inc.In Stock: 2567ECS-35-S-5P-TR Datasheet

Current PartRFQ

ECS-35-S-5PX-TR

ECS Inc.In Stock: 1112ECS-35-S-5PX-TR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ECS-35-S-5P-TR is determined by strict equivalence across the following critical parameters:

• Frequency: 4.679545 MHz (exact match required)
• Frequency Tolerance: ±30ppm (exact match required)
• ESR: 150 Ohms (exact match required)
• Package / Case: HC-49/US (exact match required)
• Mounting Type: Surface Mount (exact match required)
• Operating Temperature Range: -10°C ~ 70°C (exact match required)
• Operating Mode: Fundamental (exact match required)

The ECS-35-S-5PX-TR meets all substitution criteria as a parametric equivalent. The primary distinction between these parts is product status and compliance certification, not electrical or mechanical performance.

Parameter Comparison

Engineering Selection Recommendations

The ECS-35-S-5PX-TR is the direct parametric equivalent for the ECS-35-S-5P-TR. All electrical and mechanical specifications are identical. Selection between these parts should be based on the following factors:

For applications requiring RoHS3 compliance or where regulatory requirements mandate compliant components, the ECS-35-S-5PX-TR is the appropriate selection.

For legacy system maintenance or applications where RoHS compliance is not a requirement, either part meets the electrical specifications. However, the ECS-35-S-5PX-TR carries Active product status, indicating ongoing manufacturer support and availability.

The ECS-35-S-5P-TR is designated Not For New Designs, which indicates the manufacturer does not recommend its use in new product development.

Frequently Asked Questions (FAQ)

Q: Can the ECS-35-S-5PX-TR be used as a direct replacement for the ECS-35-S-5P-TR?

A: Yes. The ECS-35-S-5PX-TR is a parametric equivalent. All electrical characteristics, frequency specifications, ESR, operating temperature range, and physical dimensions are identical. Both parts use the same HC-49/US package and surface mount configuration.

Q: What is the difference between these two parts?

A: The primary differences are product status and RoHS compliance. The ECS-35-S-5P-TR is Not For New Designs and RoHS non-compliant. The ECS-35-S-5PX-TR is Active and ROHS3 Compliant. The parts belong to different series designations (CSM-7 versus CSM-7X).

Q: Are there any package or mounting differences?

A: No. Both parts use the HC-49/US package with identical dimensions (0.449" L x 0.189" W, 11.40mm x 4.80mm) and maximum seated height (0.169" / 4.30mm). Both are surface mount components with identical mechanical compatibility.

Q: Which part should be selected for new designs?

A: The ECS-35-S-5PX-TR should be selected for new designs. It carries Active product status and ROHS3 compliance certification, ensuring long-term availability and regulatory alignment.

Q: Are the frequency specifications identical?

A: Yes. Both parts operate at 4.679545 MHz with ±30ppm frequency tolerance and ±50ppm frequency stability. ESR is 150 Ohms for both parts. Operating mode is Fundamental for both.