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ASE-24.576MHZ-C-T3 Equivalent & Substitute Parts
Part Overview
The ASE-24.576MHZ-C-T3 is a 24.576 MHz XO (Standard) CMOS oscillator manufactured by Abracon LLC, designed for applications requiring a crystal-based timing reference with enable/disable functionality. This surface mount device operates at 3.3V supply voltage and is housed in a compact 4-SMD, No Lead package. The part is currently active in production with 940 units available in inventory. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained within the allowed specifications for this oscillator category.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Frequency | 24.576 MHz |
| Output Type | CMOS |
| Supply Voltage | 3.3V |
| Function | Enable/Disable |
| Frequency Stability | ±50ppm |
| Operating Temperature Range | -10°C ~ 70°C |
| Package Type | 4-SMD, No Lead |
| Package Dimensions | 3.20mm x 2.50mm |
| Mounting Type | Surface Mount |
| Base Resonator | Crystal |
Substitute Part Grouping Explanation
The 7X-24.576MBB-T manufactured by TXC CORPORATION qualifies as a direct substitute for the ASE-24.576MHZ-C-T3 based on the following critical parameters:
- Identical frequency: 24.576 MHz
- Matching output type: CMOS
- Identical supply voltage: 3.3V
- Matching function: Enable/Disable
- Identical frequency stability: ±50ppm
- Matching operating temperature range: -10°C ~ 70°C
- Identical package type: 4-SMD, No Lead
- Identical package dimensions: 3.20mm x 2.50mm
- Matching base resonator type: Crystal
Both parts are classified as XO (Standard) oscillators and maintain compatibility across all primary electrical and mechanical specifications.
Parameter Comparison
| Parameter | ASE-24.576MHZ-C-T3 (Abracon LLC) | 7X-24.576MBB-T (TXC CORPORATION) |
|---|---|---|
| Frequency | 24.576 MHz | 24.576 MHz |
| Output Type | CMOS | CMOS |
| Supply Voltage | 3.3V | 3.3V |
| Function | Enable/Disable | Enable/Disable |
| Frequency Stability | ±50ppm | ±50ppm |
| Operating Temperature Range | -10°C ~ 70°C | -10°C ~ 70°C |
| Current - Supply (Max) | 13mA | 20mA |
| Current - Supply (Disable) (Max) | 10µA | Not specified |
| Package Type | 4-SMD, No Lead | 4-SMD, No Lead |
| Package Dimensions | 3.20mm x 2.50mm | 3.20mm x 2.50mm |
| Height - Seated (Max) | 1.20mm | 1.10mm |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Active | Active |
| RoHS Status | ROHS3 Compliant | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
Both the ASE-24.576MHZ-C-T3 and 7X-24.576MBB-T are active production parts with equivalent electrical specifications. Selection between these parts is based on the following factors:
The ASE-24.576MHZ-C-T3 offers lower maximum supply current (13mA versus 20mA) and documented disable mode current specification (10µA), making it suitable for power-constrained applications. The part carries ROHS3 compliance certification.
The 7X-24.576MBB-T provides a lower seated height (1.10mm versus 1.20mm), which may be advantageous in space-constrained PCB designs. This part carries RoHS compliance certification and has higher inventory availability (1506 units versus 940 units).
Both parts maintain identical frequency stability, operating temperature range, and package footprint, ensuring functional interchangeability in circuit designs. Selection should be based on specific application requirements regarding power consumption, PCB height constraints, and compliance certifications.
Frequently Asked Questions (FAQ)
Q: Can the 7X-24.576MBB-T replace the ASE-24.576MHZ-C-T3 in existing designs?
A: Yes. Both parts share identical frequency (24.576 MHz), output type (CMOS), supply voltage (3.3V), enable/disable function, frequency stability (±50ppm), operating temperature range (-10°C ~ 70°C), and package dimensions (3.20mm x 2.50mm). The parts are electrically and mechanically interchangeable.
Q: What is the difference in current consumption between these parts?
A: The ASE-24.576MHZ-C-T3 has a maximum supply current of 13mA with a documented disable mode current of 10µA. The 7X-24.576MBB-T has a maximum supply current of 20mA with no specified disable mode current. Applications with strict power budgets should account for this 7mA difference in active mode operation.
Q: Are there package or footprint differences?
A: Both parts use identical 4-SMD, No Lead packages with 3.20mm x 2.50mm footprints. The 7X-24.576MBB-T has a slightly lower seated height (1.10mm versus 1.20mm), which may provide marginal benefits in applications with tight vertical clearance constraints.
Q: What compliance certifications apply to each part?
A: The ASE-24.576MHZ-C-T3 is ROHS3 compliant. The 7X-24.576MBB-T is RoHS compliant. Both parts are REACH Unaffected and carry MSL 1 (Unlimited) moisture sensitivity ratings.
Q: Are both parts currently in production?
A: Yes. Both the ASE-24.576MHZ-C-T3 and 7X-24.576MBB-T are classified as Active products. The 7X-24.576MBB-T has higher current inventory availability (1506 units versus 940 units).
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