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ABL-8.000MHZ-B1U-T Equivalent & Substitute Parts
Part Overview
The ABL-8.000MHZ-B1U-T is an 8 MHz through-hole crystal oscillator manufactured by Abracon LLC, currently in active production status. This component operates at a fundamental frequency with ±10ppm stability and 18pF load capacitance in an HC-49/US package. Finding equivalent and substitute parts may be necessary due to inventory availability, packaging requirements, or application-specific mounting constraints.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Frequency | 8 MHz |
| Frequency Stability | ±10ppm |
| Load Capacitance | 18pF |
| ESR (Equivalent Series Resistance) | 80 Ohms |
| Operating Mode | Fundamental |
| Operating Temperature Range | -20°C to 70°C |
| Mounting Type | Through Hole |
| Package / Case | HC-49/US |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the ABL-8.000MHZ-B1U-T is determined by the following critical parameters: frequency (8 MHz), load capacitance (18pF), ESR (80 Ohms), operating temperature range (-20°C to 70°C), and package type (HC-49/US). All identified substitutes maintain these core electrical specifications.
Two substitute parts are available:
ABL-8.000MHZ-B2: Maintains identical frequency, load capacitance, ESR, operating temperature, and package specifications. Differs in frequency tolerance (±20ppm vs. ±10ppm) and packaging format (Bulk vs. Cut Tape). Suitable for applications where tighter frequency stability is not required.
ABLS2-8.000MHZ-B1U-T: Maintains identical frequency, load capacitance, ESR, frequency stability (±10ppm), operating temperature, and package specifications. Differs in mounting type (Surface Mount vs. Through Hole) and physical dimensions. Suitable for PCB designs utilizing surface-mount assembly processes.
Parameter Comparison
| Parameter | ABL-8.000MHZ-B1U-T (Main) | ABL-8.000MHZ-B2 | ABLS2-8.000MHZ-B1U-T |
|---|---|---|---|
| Frequency | 8 MHz | 8 MHz | 8 MHz |
| Frequency Stability | ±10ppm | ±50ppm | ±10ppm |
| Frequency Tolerance | ±10ppm | ±20ppm | ±10ppm |
| Load Capacitance | 18pF | 18pF | 18pF |
| ESR | 80 Ohms | 80 Ohms | 80 Ohms |
| Operating Temperature | -20°C to 70°C | -20°C to 70°C | -20°C to 70°C |
| Mounting Type | Through Hole | Through Hole | Surface Mount |
| Package / Case | HC-49/US | HC-49/US | HC-49/US |
| Packaging Format | Cut Tape (CT) | Bulk | Tape & Reel (TR) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected | REACH Affected |
Engineering Selection Recommendations
ABL-8.000MHZ-B2 is suitable for through-hole applications where frequency tolerance of ±20ppm is acceptable and bulk packaging is preferred. All parts maintain ROHS3 compliance and operate within the specified temperature range.
ABLS2-8.000MHZ-B1U-T is suitable for surface-mount applications requiring ±10ppm frequency stability. This part maintains identical electrical performance to the main part while accommodating surface-mount assembly processes. Note that this substitute carries REACH Affected status, whereas the main part is REACH Unaffected.
Selection between substitutes depends on PCB assembly method (through-hole vs. surface-mount) and frequency stability requirements for the target application.
Frequently Asked Questions (FAQ)
Q: Can ABL-8.000MHZ-B2 replace ABL-8.000MHZ-B1U-T in all applications?
A: ABL-8.000MHZ-B2 maintains the same frequency, load capacitance, ESR, and operating temperature range. The primary difference is frequency tolerance (±20ppm vs. ±10ppm). Substitution is valid only if the application tolerates the wider frequency tolerance specification.
Q: What is the key difference between ABL-8.000MHZ-B1U-T and ABLS2-8.000MHZ-B1U-T?
A: The primary difference is mounting type: ABL-8.000MHZ-B1U-T is through-hole mounted, while ABLS2-8.000MHZ-B1U-T is surface-mount. Both maintain identical frequency stability (±10ppm) and electrical specifications. Selection depends on PCB assembly process and design requirements.
Q: Are all three parts ROHS3 compliant?
A: Yes, all three parts are ROHS3 compliant. However, ABLS2-8.000MHZ-B1U-T carries REACH Affected status, while ABL-8.000MHZ-B1U-T and ABL-8.000MHZ-B2 are REACH Unaffected. Verify REACH compliance requirements for your specific application and region.
Q: Do the physical dimensions differ between substitutes?
A: Yes. ABL-8.000MHZ-B1U-T and ABL-8.000MHZ-B2 share identical dimensions (0.453" L x 0.197" W, height 0.138"). ABLS2-8.000MHZ-B1U-T has slightly different dimensions (0.449" L x 0.185" W, height 0.130") due to surface-mount design. Verify PCB layout compatibility before substitution.
Q: What packaging formats are available?
A: ABL-8.000MHZ-B1U-T is supplied in Cut Tape (CT), ABL-8.000MHZ-B2 in Bulk, and ABLS2-8.000MHZ-B1U-T in Tape & Reel (TR). Select based on assembly process and inventory management requirements.
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