TC-32.263MBD-T MEMS Oscillator Equivalent & Substitute Parts

Part Overview

The TC-32.263MBD-T is a 32.263 MHz MEMS-based XO (Standard) oscillator manufactured by TXC CORPORATION. This component operates at 3.3V with CMOS output and integrated Enable/Disable functionality, housed in a compact 4-SMD, No Lead package measuring 3.20mm × 2.50mm. The part is classified as Obsolete, necessitating identification of functionally equivalent alternatives for ongoing design support and procurement continuity.

Substiute Parts

TC-32.263MBD-T

TXC CORPORATIONIn Stock: 955TC-32.263MBD-T Datasheet

Current PartRFQ

7X-32.263MBD-T

TXC CORPORATIONIn Stock: 8577X-32.263MBD-T Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TC-32.263MBD-T is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Frequency: 32.263 MHz (exact match required)
• Output Type: CMOS
• Supply Voltage: 3.3V
• Function: Enable/Disable capability
• Package Type: 4-SMD, No Lead
• Package Dimensions: 3.20mm × 2.50mm
• Operating Temperature Range: -40°C to 85°C
• Frequency Stability: ±25ppm

Allowable Variations:

• Base Resonator Type: MEMS or Crystal resonator technology
• Maximum Supply Current: Substitute may be lower than original
• Maximum Height: Substitute may exceed original within PCB assembly constraints
• Product Status: Active status preferred for long-term availability

The substitute part 7X-32.263MBD-T meets all mandatory matching parameters while utilizing Crystal resonator technology instead of MEMS, with reduced supply current and increased product availability status.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: 7X-32.263MBD-T

The 7X-32.263MBD-T is the direct functional equivalent for TC-32.263MBD-T replacement. Selection rationale:

1. Product Status: The substitute maintains Active status, ensuring long-term availability and supply chain continuity compared to the Obsolete main part.

2. Electrical Equivalence: All critical electrical parameters match exactly: 32.263 MHz frequency, 3.3V supply, CMOS output, ±25ppm stability, and Enable/Disable function. The reduced maximum supply current (15mA vs. 25mA) represents improved efficiency and is compatible with existing power budgets.

3. Mechanical Compatibility: Identical package type (4-SMD, No Lead) and footprint dimensions (3.20mm × 2.50mm) ensure direct PCB layout compatibility. The increased maximum height (1.10mm vs. 0.80mm) must be verified against PCB assembly clearance specifications.

4. Regulatory Compliance: The substitute carries RoHS Compliant and REACH Unaffected certifications, meeting modern environmental and regulatory requirements.

5. Resonator Technology: Crystal resonator technology in the substitute provides equivalent performance to MEMS technology at the specified frequency and stability parameters.

Frequently Asked Questions (FAQ)

Q: Can the 7X-32.263MBD-T be used as a direct drop-in replacement for TC-32.263MBD-T?

A: Yes, for electrical and functional requirements. The 7X-32.263MBD-T matches all critical electrical parameters and uses the identical 4-SMD, No Lead package with matching footprint dimensions. PCB assembly clearance must be verified due to the increased maximum height (1.10mm vs. 0.80mm).

Q: What is the difference between MEMS and Crystal resonator technology in these oscillators?

A: The TC-32.263MBD-T uses MEMS (Micro-Electro-Mechanical Systems) resonator technology, while the 7X-32.263MBD-T uses Crystal resonator technology. Both deliver identical frequency (32.263 MHz) and frequency stability (±25ppm) at the specified operating conditions. The substitute's Crystal technology is well-established and provides equivalent performance for this application.

Q: Does the lower supply current of the 7X-32.263MBD-T affect performance?

A: No. The reduced maximum supply current (15mA vs. 25mA) indicates improved power efficiency in the substitute design. This reduction does not affect output frequency, stability, or CMOS output characteristics. Existing power supply designs will accommodate this lower current requirement.

Q: Are there any compliance differences between the two parts?

A: The 7X-32.263MBD-T carries explicit RoHS Compliant and REACH Unaffected certifications. Both parts share identical MSL 1 (Unlimited) moisture sensitivity ratings and EAR99 export classification. The substitute's active compliance certifications support modern procurement and regulatory requirements.

Q: What must be verified before implementing the 7X-32.263MBD-T substitute?

A: Verify PCB assembly clearance for the increased maximum height (1.10mm). Confirm that the Enable/Disable function timing and control signal requirements match the original design. Validate that the 3.3V supply and CMOS output levels are compatible with existing circuit connections.

Q: Is the 7X-32.263MBD-T available in the same packaging and quantities?

A: Yes. The 7X-32.263MBD-T is supplied in the identical 4-SMD, No Lead package. Current inventory status shows 825 Pcs New Original In Stock, providing adequate supply for production requirements.