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ECQ-E6183KZ Film Capacitor Equivalent & Substitute Parts
Part Overview
The ECQ-E6183KZ is a 0.018 µF film capacitor manufactured by Panasonic Electronic Components, designed for general-purpose applications requiring 630V DC voltage rating with polyester metallized dielectric construction. This part operates across a temperature range of -40°C to 85°C and features radial through-hole mounting with PC pin termination.
The ECQ-E6183KZ is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production or maintenance requirements for systems utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 0.018 µF |
| Tolerance | ±10% |
| Voltage Rating - DC | 630V |
| Dielectric Material | Polyester, Metallized |
| Operating Temperature Range | -40°C ~ 85°C |
| Mounting Type | Through Hole |
| Package / Case | Radial |
| Termination | PC Pins |
| Lead Spacing | 0.413" (10.50mm) |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the ECQ-E6183KZ is determined by strict adherence to the following electrical and mechanical parameters:
Electrical Parameters (Critical for Substitution):
- Capacitance value: 0.018 µF (exact match required)
- Tolerance: ±10% (exact match required)
- Voltage Rating - DC: 630V (minimum requirement; higher ratings acceptable)
- Dielectric Material: Polyester, Metallized (exact match required)
Mechanical Parameters (Critical for Substitution):
- Mounting Type: Through Hole (exact match required)
- Package / Case: Radial (exact match required)
- Termination: PC Pins (exact match required)
- Lead Spacing: 0.413" (10.50mm) or compatible spacing for PCB layout
Acceptable Variations:
- Operating Temperature Range: May extend beyond -40°C ~ 85°C (higher upper limit acceptable)
- Voltage Rating - AC: May be present in substitute parts
- Physical dimensions: Minor variations acceptable if lead spacing and mounting compatibility are maintained
- Product Status: Active status preferred for ongoing availability
The ECQ-E6183KF meets all critical electrical and mechanical substitution criteria while offering improved product status and extended temperature range.
Parameter Comparison
| Parameter | ECQ-E6183KZ (Main Part) | ECQ-E6183KF (Substitute) |
|---|---|---|
| Manufacturer | Panasonic Electronic Components | Panasonic Electronic Components |
| Capacitance | 0.018 µF | 0.018 µF |
| Tolerance | ±10% | ±10% |
| Voltage Rating - DC | 630V | 630V |
| Voltage Rating - AC | - | 250V |
| Dielectric Material | Polyester, Metallized | Polyester, Metallized |
| Operating Temperature Range | -40°C ~ 85°C | -40°C ~ 105°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Radial | Radial |
| Termination | PC Pins | PC Pins |
| Lead Spacing | 0.413" (10.50mm) | 0.394" (10.00mm) |
| Product Status | Obsolete | Active |
| RoHS Status | - | ROHS3 Compliant |
| REACH Status | - | REACH Unaffected |
Engineering Selection Recommendations
The ECQ-E6183KF is the qualified substitute for the obsolete ECQ-E6183KZ based on the following engineering criteria:
Electrical Compatibility: Both parts share identical capacitance (0.018 µF), tolerance (±10%), and DC voltage rating (630V). The dielectric material and construction are identical, ensuring equivalent electrical performance in circuit applications.
Mechanical Compatibility: Both parts feature radial through-hole mounting with PC pin termination. Lead spacing differs by 0.019" (0.50mm), which requires PCB layout verification but does not preclude substitution in most applications.
Product Status and Compliance: The ECQ-E6183KF holds active product status, ensuring continued availability and supply chain support. The substitute part carries ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement.
Temperature Performance: The ECQ-E6183KF extends the upper operating temperature limit to 105°C, providing enhanced thermal margin compared to the original 85°C specification.
Frequently Asked Questions (FAQ)
Q: Can the ECQ-E6183KF be used as a direct replacement for the ECQ-E6183KZ?
A: Yes, the ECQ-E6183KF qualifies as a substitute. Both parts share identical electrical specifications (0.018 µF, ±10%, 630V DC, polyester metallized dielectric) and mounting configuration (radial through-hole, PC pins). Lead spacing differs by 0.50mm, requiring PCB layout confirmation.
Q: What is the significance of the lead spacing difference between these parts?
A: The ECQ-E6183KZ has 0.413" (10.50mm) lead spacing, while the ECQ-E6183KF has 0.394" (10.00mm) spacing. This 0.50mm difference may require PCB hole repositioning or use of adapter mounting techniques. Verify existing PCB footprint compatibility before implementation.
Q: Why is the ECQ-E6183KZ classified as obsolete?
A: Obsolete status indicates the manufacturer has discontinued production. The ECQ-E6183KF represents the active equivalent, ensuring access to current manufacturing stock and ongoing technical support.
Q: Does the extended temperature range of the ECQ-E6183KF affect circuit performance?
A: The ECQ-E6183KF operates to 105°C versus 85°C for the original part. This extended range does not degrade performance within the original operating envelope and provides additional thermal margin for applications approaching temperature limits.
Q: Are there compliance differences between the two parts?
A: The ECQ-E6183KF carries ROHS3 compliance and REACH unaffected status. The original part specifications do not document these certifications. For applications requiring regulatory compliance documentation, the ECQ-E6183KF provides certified compliance status.
Q: What packaging options are available for these parts?
A: The ECQ-E6183KZ was supplied in standard packaging. The ECQ-E6183KF is available in bulk packaging, which may affect procurement quantities and logistics considerations.
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