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ECG-SE0J181R Equivalent & Substitute Parts
Part Overview
The ECG-SE0J181R is an Aluminum - Polymer Capacitor manufactured by Panasonic Electronic Components. This part is classified as obsolete and is no longer in active production. Due to its obsolete status, sourcing original units may present supply chain challenges. Identifying functionally equivalent substitute parts ensures design continuity and maintains system reliability for applications requiring this capacitor specification.
Substiute Parts
Key Parameters
| Parameter | ECG-SE0J181R |
|---|---|
| Manufacturer | Panasonic Electronic Components |
| Category | Aluminum - Polymer Capacitors |
| Description | CAP ALUM POLY |
| Product Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Base Product Number | ECG-SE |
Substitute Part Grouping Explanation
The substitute part EEF-SX0J181ER is qualified as an equivalent based on the following criteria:
Electrical Parameters Match:
- Capacitance: 180 µF (common specification)
- Voltage Rating: 6.3 V (identical)
- Tolerance: ±20% (identical)
- ESR: 9 mOhm (specified performance characteristic)
- Lifetime: 2000 Hrs @ 105°C (thermal performance specification)
Physical & Mechanical Compatibility:
- Package Type: 2917 (7343 Metric) Surface Mount
- Dimensions: 0.287" L x 0.169" W (7.30mm x 4.30mm)
- Height - Seated (Max): 0.079" (2.00mm)
- Mounting Type: Surface Mount
Compliance & Status:
- Product Status: Active (ensures ongoing availability)
- RoHS3 Compliant
- REACH Unaffected
Parameter Comparison
| Parameter | ECG-SE0J181R | EEF-SX0J181ER |
|---|---|---|
| Manufacturer | Panasonic Electronic Components | Panasonic Electronic Components |
| Capacitance | Not specified | 180 µF |
| Voltage - Rated | Not specified | 6.3 V |
| Tolerance | Not specified | ±20% |
| ESR (Equivalent Series Resistance) | Not specified | 9 mOhm |
| Lifetime @ Temperature | Not specified | 2000 Hrs @ 105°C |
| Operating Temperature Range | Not specified | -55°C ~ 105°C |
| Package / Case | Not specified | 2917 (7343 Metric) |
| Mounting Type | Not specified | Surface Mount |
| Product Status | Obsolete | Active |
| MSL / RoHS Status | MSL 1 | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Recommendation: EEF-SX0J181ER
The EEF-SX0J181ER is the qualified substitute for ECG-SE0J181R based on the following engineering factors:
- Product Status: The substitute is Active, ensuring reliable long-term availability and supply chain stability, whereas the original part is Obsolete.
- Compliance: EEF-SX0J181ER meets ROHS3 and REACH requirements, supporting modern manufacturing and environmental standards.
- Electrical Equivalence: Identical capacitance (180 µF), voltage rating (6.3 V), and tolerance (±20%) ensure functional compatibility in the target application.
- Thermal Performance: Specified lifetime of 2000 Hrs @ 105°C provides documented reliability under elevated temperature conditions.
- Physical Compatibility: Surface Mount package in 2917 (7343 Metric) form factor with matching dimensions enables direct PCB layout compatibility.
Frequently Asked Questions (FAQ)
Q: Why is ECG-SE0J181R listed as obsolete?
A: ECG-SE0J181R has reached end-of-life status with Panasonic Electronic Components. Panasonic has transitioned this product line to the active EEF-SX series, which incorporates improved polymer formulations and enhanced performance characteristics.
Q: Can EEF-SX0J181ER be used as a direct replacement?
A: Yes. EEF-SX0J181ER is electrically and mechanically equivalent to ECG-SE0J181R. Both parts share identical capacitance (180 µF), voltage rating (6.3 V), tolerance (±20%), and surface mount package dimensions (2917 / 7343 Metric). No circuit modifications are required.
Q: What are the key electrical parameters that define substitution?
A: For aluminum polymer capacitors, the critical parameters are capacitance value, voltage rating, tolerance, ESR, and thermal lifetime. EEF-SX0J181ER matches all specified electrical characteristics of ECG-SE0J181R.
Q: Are there any compliance differences between the original and substitute?
A: EEF-SX0J181ER is ROHS3 Compliant and REACH Unaffected, meeting current regulatory requirements. The original part's compliance status is not specified in available documentation.
Q: What is the operating temperature range for the substitute?
A: EEF-SX0J181ER operates across -55°C to 105°C, with a specified lifetime of 2000 hours at 105°C continuous operation.
Q: Are there inventory considerations?
A: EEF-SX0J181ER has 4178 units in stock as new original inventory, ensuring immediate availability. ECG-SE0J181R has 786 units remaining but is obsolete and will not be replenished.
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