SA324271F35HLR 27.12 MHz Crystal Equivalent & Substitute Parts

Part Overview

The SA324271F35HLR is a 27.12 MHz fundamental mode crystal manufactured by CTS-Frequency Controls, designed for surface mount applications in 4-SMD, No Lead package configuration. This component is rated for automotive applications under AEC-Q200 and operates across the industrial temperature range of -40°C to 125°C. The part maintains Active product status with RoHS3 compliance and REACH unaffected designation.

Substitute parts are identified to address inventory availability, lead time requirements, or specific application constraints while maintaining electrical and mechanical compatibility within the defined parameter tolerances.

Substiute Parts

SA324271F35HLR

CTS-Frequency ControlsIn Stock: 842SA324271F35HLR Datasheet

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ABM11AIG-27.120MHZ-4Z-T3

Abracon LLCIn Stock: 62728ABM11AIG-27.120MHZ-4Z-T3 Datasheet

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EB1620YA10-27.120M TR

EcliptekIn Stock: 3712EB1620YA10-27.120M TR Datasheet

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ECS-271.2-10-37Q-ES-TR

ECS Inc.In Stock: 3459ECS-271.2-10-37Q-ES-TR Datasheet

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IXA12-FBFF10-27.120MHZ

ILSIIn Stock: 3797IXA12-FBFF10-27.120MHZ Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following critical parameters:

Mandatory Matching Parameters:

• Frequency: 27.12 MHz (exact match required)
• Frequency Tolerance: ±30 ppm (exact match required)
• Operating Mode: Fundamental (exact match required)
• Operating Temperature Range: -40°C to 125°C (exact match required)
• Package Type: 4-SMD, No Lead (exact match required)
• Mounting Type: Surface Mount (exact match required)
• AEC-Q200 Rating: Yes (exact match required)

Allowable Variation Parameters:

• Load Capacitance: 10 pF to 12 pF (within circuit design tolerance)
• ESR: 60 to 100 Ohms (within circuit design tolerance)
• Physical Dimensions: Variations permitted within SMD footprint compatibility
• Packaging Format: Tape & Reel (TR) or Cut Tape (CT) formats acceptable

All identified substitute parts meet the mandatory matching criteria and operate within allowable variation ranges for load capacitance and ESR.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain Active product status and satisfy AEC-Q200 automotive qualification requirements. Each substitute part carries ROHS3 compliance and REACH unaffected designation, ensuring regulatory alignment with the original SA324271F35HLR component.

Load Capacitance Consideration: The main part specifies 12 pF load capacitance, while all substitute parts operate at 10 pF. This variation falls within acceptable circuit design tolerance ranges for 27.12 MHz fundamental mode crystals and does not preclude substitution.

ESR Variation: The main part features 60 Ohms ESR, while substitute parts range from 80 to 100 Ohms. These variations remain within acceptable operating parameters for this frequency class and do not compromise circuit performance.

Physical Dimensions: Substitute parts exhibit reduced footprint dimensions (2.00 x 1.60 mm versus 3.20 x 2.50 mm) and lower profile height (0.55 mm versus 0.80 mm). These dimensional reductions are compatible with standard SMD assembly processes and PCB layouts designed for 4-SMD, No Lead packages.

Packaging Format: Tape & Reel (TR) and Cut Tape (CT) formats are both suitable for automated assembly operations. Format selection depends on production volume and equipment configuration requirements.

Frequently Asked Questions (FAQ)

Q: Can the ABM11AIG-27.120MHZ-4Z-T3 directly replace the SA324271F35HLR?

A: Yes. Both parts operate at 27.12 MHz with ±30 ppm frequency tolerance, fundamental operating mode, -40°C to 125°C temperature range, and 4-SMD No Lead package configuration. The 10 pF load capacitance and 100 Ohms ESR of the ABM11AIG variant fall within acceptable design tolerance ranges for this application class.

Q: What is the significance of the load capacitance difference between the main part (12 pF) and substitute parts (10 pF)?

A: Load capacitance specifies the external capacitive load the crystal is designed to operate into. The 2 pF difference between 12 pF and 10 pF represents a variation within standard circuit design tolerance for 27.12 MHz fundamental mode crystals. Circuit designers typically accommodate this range through load capacitor selection on the PCB.

Q: Are all substitute parts qualified for automotive applications?

A: Yes. All substitute parts listed carry AEC-Q200 qualification, meeting automotive industry reliability and quality standards equivalent to the original SA324271F35HLR component.

Q: Does the smaller physical size of substitute parts affect PCB layout compatibility?

A: No. All substitute parts maintain the 4-SMD, No Lead package footprint standard. The reduced dimensions (2.00 x 1.60 mm versus 3.20 x 2.50 mm) represent a smaller footprint within the same package family, compatible with existing PCB designs and assembly equipment configured for 4-SMD components.

Q: What is the difference between Tape & Reel (TR) and Cut Tape (CT) packaging?

A: Tape & Reel (TR) packaging supplies components on continuous tape wound on reels, suitable for high-volume automated assembly. Cut Tape (CT) packaging supplies components on tape segments, suitable for lower-volume or manual assembly operations. Both formats contain identical components; packaging format selection depends on production volume and assembly equipment configuration.

Q: Can I use the ECS-271.2-10-37Q-ES-TR as a substitute if my circuit is sensitive to ESR variation?

A: The ECS-271.2-10-37Q-ES-TR operates at 80 Ohms ESR, which is lower than the main part's 60 Ohms ESR. This represents improved performance characteristics. However, circuit-specific ESR sensitivity must be evaluated by the design engineer. The 80 Ohms ESR value remains within the acceptable operating range for 27.12 MHz fundamental mode crystals.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 Compliant designation and REACH Unaffected status, matching the environmental compliance profile of the original SA324271F35HLR component.