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PCR1J120MCL1GS Equivalent & Substitute Parts
Part Overview
The PCR1J120MCL1GS is a 12 µF, 63 V aluminum polymer capacitor manufactured by Nichicon in the PCR series. This surface mount component is designed for automotive applications with AEC-Q200 qualification. The part is currently obsolete, making identification of suitable substitute components necessary for ongoing design support, legacy system maintenance, and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 12 µF |
| Voltage Rating | 63 V |
| Tolerance | ±20% |
| Type | Aluminum Polymer |
| ESR (Equivalent Series Resistance) | 51 mOhm |
| Lifetime @ Temperature | 4000 Hrs @ 125°C |
| Operating Temperature Range | -55°C ~ 125°C |
| Ripple Current @ 100 kHz | 1 A |
| Package Type | Radial, Can - SMD |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the PCR1J120MCL1GS is determined by the following critical parameters:
- Capacitance value: 12 µF (exact match required)
- Voltage rating: 63 V (minimum requirement; higher ratings acceptable)
- Tolerance: ±20% (electrical tolerance specification)
- Package type: Radial, Can - SMD (physical and mounting compatibility)
- Surface mount land size compatibility
- Operating temperature range: minimum -55°C to 125°C support
- RoHS3 compliance (regulatory requirement)
The PCV1J120MCL2GS meets these core substitution criteria. Both components share identical capacitance, voltage rating, tolerance, and package classification. Physical dimensions differ slightly, requiring PCB land pattern verification. Both maintain RoHS3 compliance and surface mount compatibility.
Parameter Comparison
| Parameter | PCR1J120MCL1GS | PCV1J120MCL2GS |
|---|---|---|
| Manufacturer | Nichicon | Nichicon |
| Capacitance | 12 µF | 12 µF |
| Voltage Rating | 63 V | 63 V |
| Tolerance | ±20% | ±20% |
| Type | Aluminum Polymer | Aluminum Polymer |
| ESR @ 100 kHz | 51 mOhm | 70 mOhm |
| Lifetime @ Temperature | 4000 Hrs @ 125°C | 3000 Hrs @ 105°C |
| Operating Temperature Range | -55°C ~ 125°C | -55°C ~ 105°C |
| Ripple Current @ 100 kHz | 1 A | 1.1 A |
| Size / Dimension | 0.248" Dia (6.30mm) | 0.315" Dia (8.00mm) |
| Height - Seated (Max) | 0.240" (6.10mm) | 0.276" (7.00mm) |
| Surface Mount Land Size | 0.260" L x 0.260" W (6.60mm x 6.60mm) | 0.327" L x 0.327" W (8.30mm x 8.30mm) |
| Package / Case | Radial, Can - SMD | Radial, Can - SMD |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The PCV1J120MCL2GS is the identified substitute for the obsolete PCR1J120MCL1GS. Both components are manufactured by Nichicon and maintain ROHS3 compliance. The substitute part is currently in active production status, ensuring availability for ongoing applications.
Key considerations for selection:
- The PCV1J120MCL2GS has a larger physical footprint (8.00mm diameter vs. 6.30mm) and requires verification of PCB layout compatibility and land pattern accommodation.
- ESR is higher in the substitute (70 mOhm vs. 51 mOhm), which may affect ripple current performance in high-frequency applications.
- Operating temperature maximum is reduced from 125°C to 105°C in the substitute part.
- Lifetime rating differs: 4000 hours at 125°C (original) versus 3000 hours at 105°C (substitute).
Selection of the PCV1J120MCL2GS is appropriate when PCB space permits the larger package and the application does not require sustained operation above 105°C or demand the lower ESR characteristics of the original part.
Frequently Asked Questions (FAQ)
Q: Can the PCV1J120MCL2GS be used as a direct replacement for the PCR1J120MCL1GS?
A: Electrical substitution is valid based on matching capacitance (12 µF), voltage rating (63 V), tolerance (±20%), and package type (Radial, Can - SMD). Physical dimensions differ; PCB land pattern and clearance must be verified before implementation.
Q: What are the main differences between these two parts?
A: The substitute part has a larger diameter (8.00mm vs. 6.30mm), greater height (7.00mm vs. 6.10mm), higher ESR (70 mOhm vs. 51 mOhm), and a lower maximum operating temperature (105°C vs. 125°C). Lifetime rating is also reduced from 4000 hours to 3000 hours at their respective temperature ratings.
Q: Is the PCV1J120MCL2GS suitable for automotive applications?
A: The PCV1J120MCL2GS is classified for general purpose applications and does not carry AEC-Q200 automotive qualification. The original PCR1J120MCL1GS was AEC-Q200 rated. Application suitability depends on specific automotive requirements and qualification standards.
Q: Will the higher ESR of the substitute affect circuit performance?
A: The increase from 51 mOhm to 70 mOhm may impact ripple current handling and thermal performance in high-frequency switching applications. Circuit analysis is required to determine if this difference is acceptable for the specific application.
Q: Are both parts RoHS compliant?
A: Yes, both the PCR1J120MCL1GS and PCV1J120MCL2GS are ROHS3 compliant.
Q: What is the availability status of these parts?
A: The PCR1J120MCL1GS is obsolete. The PCV1J120MCL2GS is in active production status with current inventory availability.
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