7C-20.000MBE-T CMOS Oscillator Equivalent & Substitute Parts

Part Overview

The 7C-20.000MBE-T is a 20 MHz XO (Standard) CMOS oscillator manufactured by TXC CORPORATION. This surface mount crystal oscillator operates at 3.3V with enable/disable functionality, designed for applications requiring stable frequency generation in a compact 4-SMD, No Lead package. The part is currently in active production status with 818 pieces available in inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility are maintained across critical parameters including frequency, output type, supply voltage, operating temperature range, and package dimensions.

Substiute Parts

7C-20.000MBE-T

TXC CORPORATIONIn Stock: 8527C-20.000MBE-T Datasheet

Current PartRFQ

SXO53C3A481-20.000M

Suntsu Electronics, Inc.In Stock: 3828SXO53C3A481-20.000M Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7C-20.000MBE-T is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Frequency: 20.0000 MHz
• Output Type: CMOS
• Supply Voltage: 3.3V
• Operating Temperature Range: -40°C to 85°C
• Package Type: 4-SMD, No Lead
• Package Dimensions: 5.00mm L × 3.20mm W × 1.40mm H (max seated height)
• Function: Enable/Disable capability
• Frequency Stability: ±50ppm

The substitute part SXO53C3A481-20.000M from Suntsu Electronics, Inc. meets all mandatory matching parameters. Both parts share identical frequency, output characteristics, supply voltage, temperature range, and physical package specifications. Substitution is valid based on electrical and mechanical compatibility.

Parameter Comparison

*Compatible: The SXO53C3A481-20.000M operates at lower maximum supply current (16mA vs 30mA), which is acceptable for substitution as it represents reduced power consumption within the same voltage specification.

Engineering Selection Recommendations

Primary Part: 7C-20.000MBE-T

The 7C-20.000MBE-T remains the primary selection when Tape & Reel packaging is required for automated assembly processes. This part is RoHS Compliant and carries active product status with established supply availability.

Substitute Part: SXO53C3A481-20.000M

The SXO53C3A481-20.000M from Suntsu Electronics is a valid substitute when the following conditions are met:

1. Bulk packaging is acceptable for the application workflow
2. ROHS3 compliance satisfies regulatory requirements
3. Lower maximum supply current (16mA) is compatible with circuit design
4. Both parts maintain identical electrical specifications for frequency, stability, and output characteristics

Both parts carry active product status and meet export control classifications (EAR99). Selection between these parts should be based on packaging requirements and supply chain logistics rather than electrical performance differences.

Frequently Asked Questions (FAQ)

Q: Can the SXO53C3A481-20.000M directly replace the 7C-20.000MBE-T on a PCB?

A: Yes, from an electrical and mechanical standpoint. Both parts feature identical 4-SMD, No Lead package dimensions (5.00mm × 3.20mm × 1.40mm max height), identical pin configurations, and equivalent electrical specifications. PCB footprints and solder reflow profiles are compatible.

Q: What is the difference in packaging between these two parts?

A: The 7C-20.000MBE-T is supplied in Tape & Reel (TR) format, suitable for pick-and-place automated assembly. The SXO53C3A481-20.000M is supplied in Bulk packaging. Tape & Reel format is preferred for high-volume manufacturing; Bulk packaging may require manual handling or alternative assembly processes.

Q: Why does the SXO53C3A481-20.000M have lower maximum supply current?

A: The SXO53C3A481-20.000M specifies 16mA maximum supply current compared to 30mA for the 7C-20.000MBE-T. This difference reflects design optimization in the Suntsu part and does not affect substitution eligibility. Lower current consumption is beneficial for power-constrained applications.

Q: Are there compliance differences between these parts?

A: The 7C-20.000MBE-T is RoHS Compliant. The SXO53C3A481-20.000M is ROHS3 Compliant, which represents a more recent revision of the RoHS standard. Both meet environmental and regulatory requirements. ROHS3 compliance is a superset of RoHS compliance.

Q: What is the frequency stability specification, and does it differ between parts?

A: Both parts specify ±50ppm frequency stability across the operating temperature range of -40°C to 85°C. This specification is identical and ensures equivalent timing accuracy for digital applications.

Q: Can these parts be used interchangeably in new designs?

A: Yes. Both parts meet identical electrical and mechanical specifications for 20 MHz CMOS oscillator applications with 3.3V supply and enable/disable functionality. Design selection should prioritize the 7C-20.000MBE-T for Tape & Reel availability or the SXO53C3A481-20.000M based on supply chain and packaging requirements.

Q: What is the Moisture Sensitivity Level (MSL) for the substitute part?

A: The 7C-20.000MBE-T specifies MSL 1 (Unlimited). The SXO53C3A481-20.000M does not provide MSL data in the available specifications. Confirm MSL requirements with the manufacturer if moisture-sensitive storage conditions are critical for your application.