FN1200038 Equivalent & Substitute Parts

Part Overview

The FN1200038 is a 12 MHz crystal oscillator manufactured by Diodes Incorporated, part of the SaRonix-eCera™ FN series. This CMOS oscillator operates at 3.3V with enable/disable functionality and is housed in a 4-SMD, No Lead package. The device is currently in active production status with 1050 units in stock. Finding equivalent substitute parts is necessary to ensure supply chain flexibility, manage inventory across multiple suppliers, and maintain design continuity in applications requiring this frequency and output specification.

Substiute Parts

FN1200038

Diodes IncorporatedIn Stock: 1149FN1200038 Datasheet

Current PartRFQ

SXO75C3C271-12.000M

Suntsu Electronics, Inc.In Stock: 3973SXO75C3C271-12.000M Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The SXO75C3C271-12.000M from Suntsu Electronics, Inc. qualifies as a direct substitute for the FN1200038 based on the following critical parameters:

• Frequency Match: Both devices operate at 12 MHz
• Output Configuration: Both provide CMOS output
• Supply Voltage: Both operate at 3.3V
• Enable/Disable Function: Both include this control feature
• Frequency Stability: Both maintain ±25ppm stability
• Operating Temperature: Both support -20°C ~ 70°C range
• Package Compatibility: Both use 4-SMD, No Lead housing with identical footprint dimensions (7.00mm x 5.00mm)
• Regulatory Compliance: Both are ROHS3 compliant with EAR99 ECCN classification

Parameter Comparison

Engineering Selection Recommendations

Both the FN1200038 and SXO75C3C271-12.000M are active production devices with full ROHS3 compliance and EAR99 classification. The Suntsu substitute offers a lower seated height (1.60mm vs 1.80mm), which may provide advantages in space-constrained applications. Current consumption is comparable between the two devices (15mA vs 16mA maximum), with both operating within standard industrial specifications. Selection between these parts should be based on supplier availability, lead time requirements, and cost considerations, as all electrical and mechanical parameters are equivalent for direct substitution in circuit designs.

Frequently Asked Questions (FAQ)

Q: Can the SXO75C3C271-12.000M be used as a direct replacement for the FN1200038 without circuit modifications?

A: Yes. Both devices share identical frequency, output type, supply voltage, enable/disable function, frequency stability, operating temperature range, and package footprint. No circuit modifications are required.

Q: Are there any differences in physical dimensions that would affect PCB layout?

A: The footprint dimensions are identical (7.00mm x 5.00mm). The Suntsu part has a lower maximum seated height (1.60mm vs 1.80mm), which is compatible with existing designs and may provide additional clearance in height-constrained applications.

Q: Do both parts meet the same regulatory requirements?

A: Yes. Both the FN1200038 and SXO75C3C271-12.000M are ROHS3 compliant and classified as EAR99 for export control purposes.

Q: What is the difference in maximum supply current between these parts?

A: The FN1200038 specifies 15mA maximum supply current, while the SXO75C3C271-12.000M specifies 16mA. This 1mA difference is negligible for most applications and does not affect substitution compatibility.

Q: Are both parts available in the same packaging format?

A: Yes. Both devices are supplied in 4-SMD, No Lead surface mount packages with identical land pattern requirements.