7W-16.000MBD-T CMOS Oscillator Equivalent & Substitute Parts

Part Overview

The 7W-16.000MBD-T is a 16 MHz crystal-based XO (Standard) CMOS oscillator manufactured by TXC CORPORATION. This surface mount device operates at 3.3V with enable/disable functionality, housed in a 4-SMD, no-lead package measuring 7.00mm × 5.00mm. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support, production continuity, and component sourcing.

Key Parameters

Parameter	Value
Frequency	16 MHz
Output Type	CMOS
Supply Voltage	3.3V
Function	Enable/Disable
Frequency Stability	±25ppm
Operating Temperature Range	-40°C ~ 85°C
Package Type	4-SMD, No Lead
Package Dimensions	7.00mm L × 5.00mm W
Mounting Type	Surface Mount
Base Resonator	Crystal

Substitute Part Grouping Explanation

Substitution eligibility for the 7W-16.000MBD-T is determined by strict alignment with the following electrical and mechanical parameters:

Critical Matching Parameters:

Frequency: 16 MHz (exact match required)
Output: CMOS (exact match required)
Supply Voltage: 3.3V (exact match required)
Function: Enable/Disable (exact match required)
Frequency Stability: ±25ppm (exact match required)
Operating Temperature: -40°C ~ 85°C (exact match required)
Package/Case: 4-SMD, No Lead (exact match required)
Dimensions: 7.00mm × 5.00mm (exact match required)
Mounting Type: Surface Mount (exact match required)

All substitute parts listed below meet these criteria. Variations in maximum supply current, disable current, seated height, and product status (active vs. obsolete) do not disqualify substitution when all critical parameters align.

Parameter Comparison

Part Number	Manufacturer	Series	Frequency	Output	Supply Voltage	Function	Frequency Stability	Operating Temperature	Package	Dimensions (L × W)	Max Supply Current	Product Status
7W-16.000MBD-T	TXC CORPORATION	7W	16 MHz	CMOS	3.3V	Enable/Disable	±25ppm	-40°C ~ 85°C	4-SMD, No Lead	7.00mm × 5.00mm	20mA	Obsolete
510CBA16M0000AAGR	Skyworks Solutions Inc.	Si510	16 MHz	CMOS	3.3V	Enable/Disable	±25ppm	-40°C ~ 85°C	4-SMD, No Lead	7.00mm × 5.00mm	26mA	Active
CPPC7L-A7BR-16.0TS	Cardinal Components Inc.	FIPO™ CPP	16 MHz	CMOS	3.3V	Enable/Disable	±25ppm	-40°C ~ 85°C	4-SMD, No Lead	7.00mm × 5.00mm	25mA	Active
CPPC7LZ-A7BR-16.0TS	Cardinal Components Inc.	FIPO™ CPP	16 MHz	CMOS	3.3V	Enable/Disable	±25ppm	-40°C ~ 85°C	4-SMD, No Lead	7.00mm × 5.00mm	25mA	Active
CPPFXC7LZ-A7BR-16.0TS	Cardinal Components Inc.	FIPO™ CPPFX	16 MHz	CMOS	3.3V	Enable/Disable	±25ppm	-40°C ~ 85°C	4-SMD, No Lead	7.00mm × 5.00mm	25mA	Active
CPPLC7L-A7BR-16.0TS	Cardinal Components Inc.	FIPO™ CPPL	16 MHz	CMOS	3.3V	Enable/Disable	±25ppm	-40°C ~ 85°C	4-SMD, No Lead	7.00mm × 5.00mm	25mA	Active
SXO75C3C481-16.000M	Suntsu Electronics, Inc.	SXO75C	16 MHz	CMOS	3.3V	Enable/Disable	±25ppm	-40°C ~ 85°C	4-SMD, No Lead	7.00mm × 5.00mm	16mA	Active

Engineering Selection Recommendations

Product Status Consideration: The 7W-16.000MBD-T is classified as obsolete. All listed substitute parts are active products with current manufacturing support. Selection of an active substitute ensures long-term component availability and supply chain continuity.

Compliance and Certifications: All substitute parts maintain alignment with the original part's regulatory framework:

RoHS Compliance: The original part is RoHS Compliant. Cardinal Components substitutes (CPPC7L-A7BR-16.0TS, CPPC7LZ-A7BR-16.0TS, CPPFXC7LZ-A7BR-16.0TS, CPPLC7L-A7BR-16.0TS) are ROHS3 Compliant. Skyworks Solutions (510CBA16M0000AAGR) and Suntsu Electronics (SXO75C3C481-16.000M) maintain equivalent compliance status.
REACH Status: All substitute parts are REACH Unaffected, matching the original part.
ECCN Classification: All parts are classified as EAR99, consistent with the original.
HTSUS Code: All parts share the same HTSUS code (8542.39.0001).

Moisture Sensitivity: All substitute parts maintain MSL 1 (Unlimited) rating, identical to the original part.

Current Consumption Profile: The original 7W-16.000MBD-T draws a maximum of 20mA. Substitute parts range from 16mA to 26mA. The SXO75C3C481-16.000M offers the lowest supply current at 16mA, beneficial for power-constrained applications. The 510CBA16M0000AAGR draws 26mA, which remains within acceptable tolerance for most 3.3V supply designs.

Packaging and Logistics: The original part is listed with no specified packaging format. Substitute parts are supplied in Tape & Reel (TR) format (Cardinal Components and Skyworks Solutions) or Bulk format (Suntsu Electronics), standard for production environments.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts as a direct replacement for the 7W-16.000MBD-T?

A: Yes. All listed substitute parts meet the critical electrical and mechanical parameters: 16 MHz frequency, CMOS output, 3.3V supply, enable/disable function, ±25ppm stability, -40°C to 85°C operating range, and 4-SMD no-lead package with 7.00mm × 5.00mm dimensions. No circuit modifications are required.

Q: What is the difference between the Cardinal Components FIPO™ series variants (CPP, CPPFX, CPPL)?

A: All three Cardinal Components series (CPPC7L-A7BR-16.0TS, CPPFXC7LZ-A7BR-16.0TS, CPPLC7L-A7BR-16.0TS) share identical electrical specifications and package dimensions. The series designation reflects internal design architecture. Selection among these variants depends on availability and supply chain preference, as electrical performance is equivalent.

Q: Why does the SXO75C3C481-16.000M have lower supply current (16mA) compared to other substitutes?

A: The SXO75C3C481-16.000M achieves lower maximum supply current through internal circuit optimization while maintaining the same frequency stability and output characteristics. This represents an engineering improvement and is beneficial for power-sensitive applications.

Q: Are there any height differences I should consider for PCB layout?

A: Yes. The original 7W-16.000MBD-T has a maximum seated height of 0.056" (1.42mm). Cardinal Components substitutes (CPPC7L-A7BR-16.0TS, CPPC7LZ-A7BR-16.0TS, CPPFXC7LZ-A7BR-16.0TS, CPPLC7L-A7BR-16.0TS) are 0.075" (1.90mm). The Skyworks 510CBA16M0000AAGR is 0.071" (1.80mm), and the Suntsu SXO75C3C481-16.000M is 0.063" (1.60mm). Verify clearance in your PCB assembly if height-constrained.

Q: What is the difference between disable current specifications?

A: The original part does not specify disable current. Cardinal Components substitutes specify 50µA disable current. The Skyworks 510CBA16M0000AAGR specifies 18mA disable current. The Suntsu part does not specify disable current. These variations reflect different enable/disable circuit implementations and do not affect functional compatibility.

Q: Which substitute offers the best long-term availability?

A: All substitute parts are classified as active products. Suntsu Electronics (SXO75C3C481-16.000M) shows the highest inventory level at 2,326 pieces. Cardinal Components variants range from 785 to 1,101 pieces. Skyworks Solutions (510CBA16M0000AAGR) maintains 1,042 pieces. For critical applications requiring maximum supply assurance, the Suntsu part provides the strongest inventory position.

Q: Can I mix substitute parts in the same production run?

A: Yes. All substitute parts are electrically and mechanically equivalent. However, standard manufacturing practice recommends using a single part number per production batch to maintain traceability and simplify quality control documentation.

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