7C50032001 CMOS Crystal Oscillator 50 MHz Equivalent & Substitute Parts

Part Overview

The TXC CORPORATION 7C50032001 is a 50 MHz XO (Standard) CMOS crystal oscillator designed for surface mount applications. This part features a 3.3V supply with enable/disable functionality, housed in a compact 4-SMD, No Lead package measuring 5.00mm × 3.20mm. The device is RoHS Compliant with MSL 1 (Unlimited) rating and maintains frequency stability of ±50ppm across an operating temperature range of -40°C to 85°C.

The 7C50032001 is classified as Active product status. Equivalent and substitute parts are identified to support design flexibility, supply chain continuity, and application-specific requirements such as current consumption optimization or automotive-grade compliance.

Key Parameters

Parameter	Value
Frequency	50 MHz
Oscillator Type	XO (Standard)
Output Type	CMOS
Supply Voltage	3.3V
Function	Enable/Disable
Frequency Stability	±50ppm
Operating Temperature Range	-40°C to 85°C
Mounting Type	Surface Mount
Package / Case	4-SMD, No Lead
Size / Dimension	5.00mm × 3.20mm
Height - Seated (Max)	1.40mm
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the 7C50032001 is determined by strict adherence to the following parameters:

Critical Parameters (Must Match Exactly):

Frequency: 50 MHz
Oscillator Type: XO (Standard)
Output Type: CMOS
Supply Voltage: 3.3V
Function: Enable/Disable
Frequency Stability: ±50ppm
Operating Temperature Range: -40°C to 85°C
Mounting Type: Surface Mount
Package / Case: 4-SMD, No Lead

Allowable Variations:

Current Supply (Max): Variations permitted; lower values indicate improved efficiency
Physical Dimensions: Minor variations in length and width acceptable within SMD footprint compatibility; height variations acceptable if mounted height does not exceed 1.40mm
Packaging Format: Bulk or Tape & Reel formats are interchangeable for component selection
RoHS Compliance: ROHS3 Compliant is equivalent to RoHS Compliant
Moisture Sensitivity Level: MSL 1 (Unlimited) and Not Applicable are both acceptable

All identified substitute parts meet these criteria and are confirmed as direct functional equivalents.

Parameter Comparison

Parameter	7C50032001 (Main)	7C-50.000MBE-T	AC-50.000MBE-T	LFSPXO009592REEL	LFSPXO024589	SXO53C3A481-50.000M
Manufacturer	TXC CORPORATION	TXC CORPORATION	TXC CORPORATION	IQD Frequency Products	IQD Frequency Products	Suntsu Electronics, Inc.
Frequency	50 MHz	50 MHz	50 MHz	50 MHz	50 MHz	50 MHz
Type	XO (Standard)	XO (Standard)	XO (Standard)	XO (Standard)	XO (Standard)	XO (Standard)
Output	CMOS	CMOS	CMOS	CMOS	CMOS	CMOS
Voltage - Supply	3.3V	3.3V	3.3V	3.3V	3.3V	3.3V
Function	Enable/Disable	Enable/Disable	Enable/Disable	Enable/Disable	Enable/Disable	Enable/Disable
Frequency Stability	±50ppm	±50ppm	±50ppm	±50ppm	±50ppm	±50ppm
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Current - Supply (Max)	Not Specified	30mA	20mA	6mA	30mA	25mA
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Package / Case	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead	4-SMD, No Lead
Size / Dimension	5.00mm × 3.20mm	5.00mm × 3.20mm	5.00mm × 3.20mm	5.20mm × 3.20mm	5.20mm × 3.40mm	5.00mm × 3.20mm
Height - Seated (Max)	1.40mm	1.40mm	1.40mm	0.95mm	1.30mm	1.40mm
RoHS Status	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	Not Applicable	Not Specified
Product Status	Active	Active	Active	Active	Active	Active

Engineering Selection Recommendations

TXC CORPORATION 7C-50.000MBE-T

This part is a parametric equivalent from the same manufacturer (TXC CORPORATION, Series 7C). It matches all critical electrical and mechanical specifications with the main part. The 7C-50.000MBE-T is supplied in Tape & Reel packaging and specifies a maximum supply current of 30mA. RoHS Compliant status and MSL 1 (Unlimited) rating confirm environmental compliance equivalence. This substitute is suitable for direct replacement in applications where packaging format flexibility is acceptable.

TXC CORPORATION AC-50.000MBE-T

This part is a parametric equivalent from TXC CORPORATION, Series AC. It meets all critical electrical and mechanical specifications. The AC-50.000MBE-T is supplied in Tape & Reel packaging with a maximum supply current of 20mA, representing improved current efficiency compared to the main part. This part carries AEC-Q100 automotive-grade rating and ROHS3 Compliant status. Selection of this part is appropriate for applications requiring automotive qualification or reduced power consumption.

IQD Frequency Products LFSPXO009592REEL

This part is a direct manufacturer equivalent from IQD Frequency Products, Series CFPS-69. It meets all critical electrical specifications with identical frequency, stability, voltage, and temperature range. Physical dimensions are 5.20mm × 3.20mm with a seated height of 0.95mm, representing a more compact profile than the main part. Maximum supply current is 6mA, indicating superior power efficiency. ROHS3 Compliant status and Not Applicable MSL rating confirm environmental compliance. This substitute is appropriate for space-constrained applications or designs prioritizing low power consumption.

IQD Frequency Products LFSPXO024589

This part is a direct manufacturer equivalent from IQD Frequency Products, Series CFPS-9. It meets all critical electrical specifications. Physical dimensions are 5.20mm × 3.40mm with a seated height of 1.30mm. Maximum supply current is 30mA. ROHS3 Compliant status and Not Applicable MSL rating confirm environmental compliance. This substitute is suitable for applications where dimensional variations within the specified ranges are acceptable.

Suntsu Electronics, Inc. SXO53C3A481-50.000M

This part is a direct manufacturer equivalent from Suntsu Electronics, Inc., Series SXO53C. It meets all critical electrical and mechanical specifications with identical frequency, stability, voltage, and temperature range. Physical dimensions are 5.00mm × 3.20mm with a seated height of 1.40mm, matching the main part exactly. Maximum supply current is 25mA. ROHS3 Compliant status confirms environmental compliance. This substitute is appropriate for applications requiring dimensional consistency with the original part.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 7C50032001 with any of these parts without circuit modification?

A: Yes. All identified substitute parts meet the critical electrical parameters: 50 MHz frequency, CMOS output, 3.3V supply, Enable/Disable function, ±50ppm stability, and -40°C to 85°C operating range. No circuit modifications are required. Physical dimensions are compatible with standard SMD assembly processes.

Q: What is the difference between the TXC CORPORATION substitutes (7C-50.000MBE-T and AC-50.000MBE-T) and the IQD/Suntsu alternatives?

A: All parts are functionally equivalent. Differences exist in current consumption (ranging from 6mA to 30mA), physical dimensions (minor variations in length and width), and certifications. The AC-50.000MBE-T includes AEC-Q100 automotive rating. The LFSPXO009592REEL offers the lowest power consumption and most compact height. Selection depends on application-specific requirements for power efficiency, space constraints, or automotive compliance.

Q: Are there packaging format differences I should consider?

A: Yes. The main part 7C50032001 is supplied in standard packaging format. Substitutes are available in Tape & Reel (TR) or Bulk formats. Tape & Reel packaging is standard for high-volume manufacturing and automated assembly. Bulk packaging may be used for lower-volume applications. Verify your assembly process requirements before selection.

Q: Does the LFSPXO009592REEL's lower current consumption (6mA) affect performance?

A: No. Lower current consumption indicates improved power efficiency without affecting frequency accuracy, stability, or output characteristics. The ±50ppm frequency stability and CMOS output specifications remain identical. This part is suitable for battery-powered or power-sensitive applications.

Q: What is the significance of AEC-Q100 rating on the AC-50.000MBE-T?

A: AEC-Q100 is an automotive-grade qualification standard. The AC-50.000MBE-T meets automotive reliability and environmental stress testing requirements. This part is appropriate for automotive applications or designs requiring automotive-grade component certification. Non-automotive applications do not require this rating.

Q: Are all substitutes RoHS compliant?

A: Yes. The main part is RoHS Compliant. All substitutes are either RoHS Compliant or ROHS3 Compliant. ROHS3 Compliant represents the current RoHS 3 directive compliance standard and is equivalent for component selection purposes.

Q: Can I use the LFSPXO024589 if my PCB layout is space-constrained?

A: The LFSPXO024589 dimensions are 5.20mm × 3.40mm with 1.30mm seated height. If your PCB footprint is designed for the main part (5.00mm × 3.20mm), verify that the slightly larger dimensions (0.20mm longer, 0.20mm wider) do not conflict with adjacent components or trace routing. The LFSPXO009592REEL offers a more compact profile (0.95mm height) for height-constrained applications.

Q: What is MSL (Moisture Sensitivity Level) and why do some parts show "Not Applicable"?

A: MSL indicates moisture sensitivity during storage and handling. MSL 1 (Unlimited) means the component has no moisture sensitivity restrictions. "Not Applicable" indicates the manufacturer does not classify the part under MSL standards, typically because the component design does not require moisture-sensitive handling. Both classifications are acceptable for standard manufacturing environments.

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