7X-18.432MBE-T Equivalent & Substitute Parts

Part Overview

The 7X-18.432MBE-T is a 18.432 MHz XO (Standard) CMOS Oscillator manufactured by TXC CORPORATION. This crystal oscillator operates at 3.3V with Enable/Disable functionality in a 4-SMD, No Lead surface mount package. The part is Active in product status and maintains RoHS Compliance with MSL 1 (Unlimited) moisture sensitivity rating. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility within specified parameter tolerances.

Substiute Parts

7X-18.432MBE-T

TXC CORPORATIONIn Stock: 7527X-18.432MBE-T Datasheet

Current PartRFQ

ASE-18.432MHZ-L-C-T

Abracon LLCIn Stock: 1355ASE-18.432MHZ-L-C-T Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 7X-18.432MBE-T is determined by the following critical parameters:

Electrical Compatibility Requirements:

• Frequency: 18.432 MHz (exact match required)
• Output: CMOS (exact match required)
• Supply Voltage: 3.3V (exact match required)
• Function: Enable/Disable (exact match required)
• Frequency Stability: ±50ppm (exact match required)
• Operating Temperature: -40°C ~ 85°C (exact match required)

Mechanical Compatibility Requirements:

• Package Type: 4-SMD, No Lead (exact match required)
• Package Dimensions: 0.126" L x 0.098" W / 3.20mm x 2.50mm (exact match required)
• Mounting Type: Surface Mount (exact match required)

Compliance Requirements:

• RoHS Status: RoHS Compliant or equivalent
• MSL Rating: 1 (Unlimited) or equivalent
• REACH Status: REACH Unaffected

The ASE-18.432MHZ-L-C-T meets all critical electrical and mechanical parameters, qualifying it as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

The ASE-18.432MHZ-L-C-T from Abracon LLC is a qualified substitute for the 7X-18.432MBE-T. Both parts are Active in product status and maintain equivalent compliance certifications (RoHS and REACH). The substitute part demonstrates superior power efficiency with a maximum supply current of 7mA compared to 20mA in the original part, and includes specified disable mode current of 10µA. The seated height difference of 0.004" (0.10mm) remains within typical PCB assembly tolerances for 4-SMD packages. Both parts carry MSL 1 (Unlimited) ratings, indicating no moisture sensitivity constraints during storage and handling.

Frequently Asked Questions (FAQ)

Q: Can the ASE-18.432MHZ-L-C-T be used as a direct replacement for the 7X-18.432MBE-T?

A: Yes. Both parts share identical electrical specifications (18.432 MHz, CMOS output, 3.3V supply, Enable/Disable function, ±50ppm stability, -40°C ~ 85°C operating range) and mechanical compatibility (4-SMD No Lead package, 3.20mm x 2.50mm dimensions, surface mount). The parts are pin-compatible and functionally equivalent.

Q: What are the differences between these two parts?

A: The primary differences are manufacturer-specific: the ASE part operates at lower maximum supply current (7mA vs 20mA) and includes specified disable mode current (10µA). The seated height differs by 0.004" (0.10mm), which does not affect PCB assembly compatibility for standard surface mount processes.

Q: Are there any compliance or certification differences?

A: Both parts maintain equivalent compliance status. The 7X-18.432MBE-T is RoHS Compliant; the ASE-18.432MHZ-L-C-T is ROHS3 Compliant. Both are REACH Unaffected and carry EAR99 ECCN classification. MSL ratings are identical at 1 (Unlimited).

Q: Does the packaging format affect substitution?

A: The 7X-18.432MBE-T is specified with standard packaging; the ASE-18.432MHZ-L-C-T is supplied in Tape & Reel (TR) format. Both formats contain identical components and are suitable for automated assembly processes.

Q: What is the impact of the current consumption difference?

A: The ASE part's lower maximum supply current (7mA vs 20mA) represents improved power efficiency and may reduce thermal load in the application circuit. This difference does not affect functional compatibility but may provide system-level benefits in power-sensitive designs.