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Equivalent & Substitute Parts for T495X337K010ATE080
Part Overview
The T495X337K010ATE080 is a 330 µF molded tantalum capacitor manufactured by KEMET, rated for 10 V with ±10% tolerance and an ESR of 80 mOhm @ 100 kHz. This component is housed in a 2917 (7343 Metric) surface mount package and is classified as Active product status. The part is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.
Substitute parts are identified when equivalent electrical and mechanical parameters are maintained within the allowed specifications for molded tantalum capacitors in this category. Substitution becomes necessary due to inventory availability, lead time considerations, or manufacturing discontinuation while maintaining circuit performance requirements.
Substiute Parts
Key Parameters
| Parameter | Value | Specification Basis |
|---|---|---|
| Capacitance | 330 µF | Core electrical requirement |
| Voltage Rating | 10 V | Maximum operating voltage |
| Tolerance | ±10% | Capacitance accuracy |
| Package / Case | 2917 (7343 Metric) | Physical footprint and mounting |
| Mounting Type | Surface Mount | Assembly compatibility |
| Operating Temperature Range | -55°C ~ 125°C | Environmental operating limits |
| ESR @ 100 kHz | 80 mOhm (main part) | Electrical performance parameter |
| Type | Molded Tantalum | Component technology |
| Lifetime @ Temp. | 2000 Hrs @ 125°C | Reliability specification |
Substitute Part Grouping Explanation
Substitute parts for the T495X337K010ATE080 are qualified based on the following criteria:
Mandatory Matching Parameters:
- Capacitance: 330 µF (exact match required)
- Voltage Rating: 10 V (exact match required)
- Tolerance: ±10% (exact match required)
- Package / Case: 2917 (7343 Metric) (exact match required)
- Mounting Type: Surface Mount (exact match required)
- Operating Temperature Range: -55°C ~ 125°C (exact match required)
- Type: Molded Tantalum (exact match required)
- Lifetime @ Temp.: 2000 Hrs @ 125°C (exact match required)
Variable Parameter (Allowed Substitution Range):
- ESR @ 100 kHz: The main part specifies 80 mOhm. Substitute parts are qualified with ESR values ranging from 40 mOhm to 100 mOhm. Lower ESR values provide improved electrical performance characteristics; higher ESR values remain within acceptable operational parameters for general purpose applications.
All substitute parts listed maintain identical physical dimensions (0.287" L x 0.169" W / 7.30 mm x 4.30 mm) and seated height (0.169" / 4.30 mm maximum).
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Capacitance | Voltage | Tolerance | ESR @ 100 kHz | Package | Operating Temp. | Lifetime @ 125°C | RoHS Status | Inventory (Pcs) |
|---|---|---|---|---|---|---|---|---|---|---|
| T495X337K010ATE080 | KEMET | 330 µF | 10 V | ±10% | 80 mOhm | 2917 (7343) | -55°C ~ 125°C | 2000 Hrs | RoHS3 | 751 |
| T495X337K010ATE100 | KEMET | 330 µF | 10 V | ±10% | 100 mOhm | 2917 (7343) | -55°C ~ 125°C | 2000 Hrs | RoHS3 | 5998 |
| TCKIA337ET | Cal-Chip Electronics | 330 µF | 10 V | ±10% | 900 mOhm | 2917 (7343) | -55°C ~ 125°C | 2000 Hrs | RoHS | 4925 |
| TCKIA337ETLSR040 | Cal-Chip Electronics | 330 µF | 10 V | ±10% | 40 mOhm | 2917 (7343) | -55°C ~ 125°C | 2000 Hrs | RoHS | 5104 |
| TCKIA337ETLSR050 | Cal-Chip Electronics | 330 µF | 10 V | ±10% | 50 mOhm | 2917 (7343) | -55°C ~ 125°C | 2000 Hrs | RoHS | 4759 |
| TCKIA337ETLSR060 | Cal-Chip Electronics | 330 µF | 10 V | ±10% | 60 mOhm | 2917 (7343) | -55°C ~ 125°C | 2000 Hrs | RoHS | 4931 |
| TCKIA337ETLSR080 | Cal-Chip Electronics | 330 µF | 10 V | ±10% | 80 mOhm | 2917 (7343) | -55°C ~ 125°C | 2000 Hrs | RoHS | 4787 |
| TCKIA337ETLSR100 | Cal-Chip Electronics | 330 µF | 10 V | ±10% | 100 mOhm | 2917 (7343) | -55°C ~ 125°C | 2000 Hrs | RoHS | 5144 |
Engineering Selection Recommendations
KEMET T495X337K010ATE100: This part maintains KEMET manufacturer continuity with RoHS3 compliance identical to the main part. ESR specification of 100 mOhm represents a 25% increase from the original 80 mOhm specification. Inventory availability is significantly higher at 5998 units. Selection is appropriate when manufacturer consistency and RoHS3 certification are required.
Cal-Chip Electronics TCKIA337ETLSR080: This part provides exact ESR matching at 80 mOhm @ 100 kHz with RoHS compliance. Physical package and electrical specifications are identical to the main part. Inventory level is 4787 units. Selection is appropriate for direct electrical performance equivalence from an alternative manufacturer.
Cal-Chip Electronics TCKIA337ETLSR040, TCKIA337ETLSR050, TCKIA337ETLSR060, TCKIA337ETLSR100: These parts offer ESR values lower or equal to the main part specification. TCKIA337ETLSR040 provides the lowest ESR at 40 mOhm, offering superior electrical performance characteristics. All maintain RoHS compliance and identical package specifications. Selection depends on circuit requirements for ESR performance optimization.
Cal-Chip Electronics TCKIA337ET: This part carries a significantly higher ESR specification of 900 mOhm. While all other electrical and mechanical parameters match, the elevated ESR may impact circuit performance in applications sensitive to impedance characteristics. Selection is limited to applications where ESR is not a critical design parameter.
All substitute parts are Active product status with identical operating temperature ranges and lifetime ratings.
Frequently Asked Questions (FAQ)
Q: Can T495X337K010ATE100 be used as a direct replacement for T495X337K010ATE080?
A: Yes. Both parts are KEMET manufactured 330 µF, 10 V, ±10% tolerance molded tantalum capacitors in 2917 (7343 Metric) packages. The primary difference is ESR specification: 100 mOhm versus 80 mOhm @ 100 kHz. This 25% ESR increase remains within acceptable operational parameters for general purpose applications.
Q: What is the significance of ESR variation among substitute parts?
A: ESR (Equivalent Series Resistance) affects impedance characteristics and thermal performance. Lower ESR values (40-60 mOhm) provide improved high-frequency performance and reduced heat generation. The main part specifies 80 mOhm. Substitute parts range from 40 mOhm to 100 mOhm. Selection should align with circuit impedance and thermal requirements.
Q: Are Cal-Chip Electronics parts compatible with KEMET specifications?
A: Cal-Chip Electronics TCKIA337 series parts maintain identical electrical specifications (330 µF, 10 V, ±10% tolerance) and physical package dimensions (2917 / 7343 Metric). All parts share identical operating temperature ranges (-55°C ~ 125°C) and lifetime ratings (2000 Hrs @ 125°C). Compatibility is confirmed for applications where manufacturer source is not a design constraint.
Q: What is the difference between RoHS and RoHS3 compliance?
A: The main part carries RoHS3 compliance. Cal-Chip Electronics substitute parts carry RoHS compliance. Both certifications indicate restriction of hazardous substances. RoHS3 represents the current regulatory standard. Both compliance levels are acceptable for general industrial applications.
Q: Can TCKIA337ET with 900 mOhm ESR be substituted for the 80 mOhm main part?
A: TCKIA337ET maintains all mandatory electrical parameters (330 µF, 10 V, ±10% tolerance) and physical specifications. However, the 900 mOhm ESR represents an 11-fold increase from the main part specification. Substitution is limited to applications where ESR is not a critical design parameter. Circuit simulation or testing is required to confirm compatibility in impedance-sensitive applications.
Q: Are all substitute parts available in Tape & Reel (TR) packaging?
A: Yes. All substitute parts listed are supplied in Tape & Reel (TR) packaging, matching the main part packaging format for automated assembly compatibility.
Q: What inventory considerations apply to substitute part selection?
A: T495X337K010ATE100 offers the highest inventory at 5998 units. Cal-Chip Electronics parts range from 4759 to 5144 units. The main part has 751 units in stock. Inventory levels should be evaluated against procurement lead time requirements and production scheduling.
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