CS-034-040.0M 40 MHz Crystal Equivalent & Substitute Parts

Part Overview

The CS-034-040.0M is a 40 MHz fundamental mode crystal manufactured by Connor Winfield, designed for surface mount applications requiring precise frequency control in electronic systems. This active product is available in 4-SMD, No Lead packaging with RoHS3 compliance and unlimited moisture sensitivity rating. Substitute parts are identified when equivalent frequency, load capacitance tolerance, operating temperature range, and package dimensions align with application requirements, enabling component sourcing flexibility and supply chain continuity.

Substiute Parts

CS-034-040.0M

Connor WinfieldIn Stock: 1030CS-034-040.0M Datasheet

Current PartRFQ

AM-40.000MAGE-T

TXC CORPORATIONIn Stock: 1191AM-40.000MAGE-T Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the CS-034-040.0M is determined by the following critical parameters:

• Frequency Match: 40 MHz (exact)
• Frequency Tolerance: ±30ppm (exact)
• Operating Temperature Range: -40°C ~ 85°C (exact)
• Package / Case: 4-SMD, No Lead (exact)
• Physical Dimensions: 0.126" L x 0.098" W, 0.031" max height (exact)
• Mounting Type: Surface Mount (exact)

The AM-40.000MAGE-T from TXC CORPORATION meets all mandatory substitution criteria. While load capacitance (12pF vs. 10pF) and ESR (60 Ohms vs. 25 Ohms) differ, these variations remain within acceptable electrical parameters for equivalent crystal functionality in standard 40 MHz applications. Both parts maintain identical frequency tolerance, operating temperature range, and physical package specifications.

Parameter Comparison

Engineering Selection Recommendations

Both the CS-034-040.0M and AM-40.000MAGE-T are active products with full compliance certifications. The CS-034-040.0M carries ROHS3 compliance, while the AM-40.000MAGE-T carries RoHS compliance and AEC-Q200 automotive qualification. Selection between these parts should be based on application-specific requirements: the CS-034-040.0M offers lower ESR (25 Ohms), while the AM-40.000MAGE-T provides automotive-grade reliability through AEC-Q200 certification. Both parts are suitable for general industrial and consumer applications within the specified operating temperature range.

Frequently Asked Questions (FAQ)

Q: Can the AM-40.000MAGE-T replace the CS-034-040.0M in my circuit?

A: Yes, the AM-40.000MAGE-T is an equivalent substitute. Both parts share identical frequency (40 MHz), frequency tolerance (±30ppm), operating temperature range (-40°C ~ 85°C), and physical package dimensions (4-SMD, No Lead, 3.20mm x 2.50mm). Load capacitance and ESR specifications differ but remain within acceptable parameters for standard 40 MHz crystal applications.

Q: What are the differences in load capacitance between these parts?

A: The CS-034-040.0M specifies 10pF load capacitance, while the AM-40.000MAGE-T specifies 12pF. This 2pF difference is within typical circuit tolerance margins for 40 MHz crystal oscillator designs and does not prevent functional substitution.

Q: Does the higher ESR of the AM-40.000MAGE-T affect performance?

A: The AM-40.000MAGE-T has 60 Ohms ESR compared to 25 Ohms for the CS-034-040.0M. Higher ESR may result in slightly increased power consumption in the oscillator circuit but does not prevent functional operation in standard applications.

Q: Are both parts available in the same packaging?

A: Yes, both parts are supplied in Tape & Reel (TR) packaging with identical 4-SMD, No Lead case style and physical dimensions of 0.126" L x 0.098" W (3.20mm x 2.50mm) with 0.031" maximum seated height.

Q: What is the difference in compliance certifications?

A: The CS-034-040.0M is ROHS3 compliant. The AM-40.000MAGE-T is RoHS compliant and additionally carries AEC-Q200 automotive qualification, making it suitable for automotive applications requiring enhanced reliability standards.

Q: Can I use these parts interchangeably in production?

A: Both parts are active products with identical frequency specifications and package dimensions. Interchangeability depends on your circuit design's tolerance for the specified load capacitance and ESR variations. Verify compatibility with your oscillator circuit design parameters before production implementation.