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26 MHz Crystal 7V-26.000MEEV-T Equivalent & Substitute Parts
Part Overview
The 7V-26.000MEEV-T is a 26 MHz fundamental mode crystal manufactured by TXC CORPORATION in the 7V series. This surface mount device operates across -20°C to 70°C with ±30ppm frequency stability and is RoHS compliant. The part is currently active in production with 3403 units in stock. Equivalent and substitute parts are identified for applications requiring alternative load capacitance values, different manufacturers, or specific package size requirements while maintaining core electrical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Frequency | 26 MHz |
| Frequency Stability | ±30ppm |
| Load Capacitance | 8pF |
| ESR (Equivalent Series Resistance) | 60 Ohms |
| Operating Mode | Fundamental |
| Operating Temperature Range | -20°C to 70°C |
| Mounting Type | Surface Mount |
| Package / Case | 4-SMD, No Lead |
| RoHS Status | RoHS Compliant |
| MSL Rating | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for 26 MHz crystals is determined by the following parameters: frequency (26 MHz fixed), frequency stability (±30ppm fixed), operating mode (fundamental fixed), operating temperature range (-20°C to 70°C fixed), mounting type (surface mount fixed), and package classification (4-SMD, No Lead fixed). Load capacitance and ESR values may vary within acceptable ranges depending on circuit design requirements. Manufacturer differences are acceptable provided all electrical and environmental specifications are met and compliance certifications are maintained.
The substitute parts identified are grouped as follows:
Group 1 - TXC CORPORATION 7V Series (Same Manufacturer):
- 7V-26.000MEEQ-T: Load capacitance 10pF, ESR 60 Ohms
Group 2 - Taitien XZ Series (Alternative Manufacturer):
- XZAEECNANF-26.000000: Load capacitance 8pF, ESR 100 Ohms, compact package
- XZLEECNANF-26.000000: Load capacitance 6pF, ESR 100 Ohms, compact package
Parameter Comparison
| Part Number | Manufacturer | Frequency | Frequency Stability | Load Capacitance | ESR | Package Size (L x W) | Height (Max) | RoHS Status | Inventory |
|---|---|---|---|---|---|---|---|---|---|
| 7V-26.000MEEV-T | TXC CORPORATION | 26 MHz | ±30ppm | 8pF | 60 Ohms | 3.20mm x 2.50mm | 0.90mm | RoHS Compliant | 3403 Pcs |
| 7V-26.000MEEQ-T | TXC CORPORATION | 26 MHz | ±30ppm | 10pF | 60 Ohms | 3.20mm x 2.50mm | 0.90mm | RoHS Compliant | 3713 Pcs |
| XZAEECNANF-26.000000 | Taitien | 26 MHz | ±30ppm | 8pF | 100 Ohms | 2.05mm x 1.65mm | 0.55mm | ROHS3 Compliant | 1619 Pcs |
| XZLEECNANF-26.000000 | Taitien | 26 MHz | ±30ppm | 6pF | 100 Ohms | 2.05mm x 1.65mm | 0.55mm | ROHS3 Compliant | 1537 Pcs |
Engineering Selection Recommendations
7V-26.000MEEQ-T (TXC CORPORATION): Select this substitute when 10pF load capacitance is required by the circuit design. Identical ESR and package dimensions to the main part ensure direct compatibility. RoHS compliance and MSL 1 rating match the original specification. Higher inventory availability (3713 units) supports production continuity.
XZAEECNANF-26.000000 (Taitien): Select this substitute when load capacitance requirement is 8pF and compact package dimensions are advantageous. ESR is 100 Ohms versus 60 Ohms on the main part; circuit design must accommodate this difference. Package footprint is 36% smaller in length and 34% smaller in width. ROHS3 compliance and MSL 1 rating are maintained.
XZLEECNANF-26.000000 (Taitien): Select this substitute when load capacitance requirement is 6pF and compact package dimensions are advantageous. ESR is 100 Ohms; circuit design must accommodate this difference. Smallest package footprint among all options. ROHS3 compliance and MSL 1 rating are maintained.
Frequently Asked Questions (FAQ)
Q: Can 7V-26.000MEEQ-T replace 7V-26.000MEEV-T directly? A: Yes, when circuit load capacitance specification permits 10pF operation. Both parts share identical frequency, stability, ESR, package dimensions, and compliance ratings. Verify circuit design accepts the higher load capacitance value.
Q: What is the primary difference between TXC and Taitien crystal options? A: TXC parts (7V series) feature 60 Ohms ESR with standard package dimensions (3.20mm x 2.50mm). Taitien parts (XZ series) feature 100 Ohms ESR with compact package dimensions (2.05mm x 1.65mm). Both manufacturers meet the same frequency, stability, and compliance requirements.
Q: Can Taitien crystals be used in applications designed for TXC parts? A: Substitution is valid when circuit design accommodates the 100 Ohms ESR specification and compact package footprint. Load capacitance requirements must match the selected Taitien part (6pF or 8pF). Verify PCB layout compatibility with the smaller package dimensions.
Q: Which substitute offers the smallest footprint? A: XZLEECNANF-26.000000 provides the smallest package (2.05mm x 1.65mm) and lowest height (0.55mm). This part requires 6pF load capacitance and 100 Ohms ESR compatibility in circuit design.
Q: Are all substitute parts RoHS compliant? A: Yes. TXC parts carry RoHS Compliant certification. Taitien parts carry ROHS3 Compliant certification. All parts meet environmental compliance requirements for their respective standards.
Q: What is the MSL rating for all parts? A: All parts carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity limitations during storage or handling.
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