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Equivalent & Substitute Parts for UCL0J331MCL1GS
Part Overview
The UCL0J331MCL1GS is a 330 µF, 6.3 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Nichicon. This component is classified as Active and designed for general purpose applications. The part operates across a temperature range of -55°C to 105°C with a rated lifetime of 2000 hours at 105°C. Finding equivalent and substitute parts is necessary to ensure design flexibility, manage supply chain continuity, and accommodate specific application requirements such as automotive compliance or enhanced electrical performance characteristics.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 330 µF |
| Voltage Rating | 6.3 V |
| Tolerance | ±20% |
| Lifetime @ 105°C | 2000 Hrs |
| Operating Temperature Range | -55°C ~ 105°C |
| Package Type | Radial, Can - SMD |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Polarization | Polar |
Substitute Part Grouping Explanation
Substitute parts for the UCL0J331MCL1GS are grouped based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:
- Capacitance Value: 330 µF (exact match required)
- Voltage Rating: 6.3 V or higher (higher voltage ratings provide backward compatibility)
- Tolerance: ±20% (standard tolerance class)
- Package Footprint: Surface mount radial can with compatible land size (0.260" L x 0.260" W or 0.327" L x 0.327" W)
- Polarization: Polar (required for electrolytic capacitors)
- Operating Temperature: -55°C ~ 105°C minimum
- Lifetime Rating: 2000 Hrs @ 105°C or greater
Substitutes are categorized as:
- Upgrade Parts - Enhanced performance or compliance certifications (automotive-rated, higher ripple current capacity)
- Similar Parts - Equivalent electrical specifications with dimensional or series variations
Parameter Comparison
| Part Number | Manufacturer | Series | Capacitance | Voltage | Lifetime @ 105°C | Impedance | Size (Dia x Height) | Land Size | Ripple Current @ 100 kHz | Product Status | Ratings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| UCL0J331MCL1GS | Nichicon | UCL | 330 µF | 6.3 V | 2000 Hrs | 160 mOhms | 0.248" x 0.303" | 0.260" x 0.260" | 600 mA | Active | — |
| UUD0J331MCL1GS | Nichicon | UUD | 330 µF | 6.3 V | 2000 Hrs | 340 mOhms | 0.248" x 0.315" | 0.260" x 0.260" | 280 mA | Active | AEC-Q200 |
| UCD0J331MCL1GS | Nichicon | UCD | 330 µF | 6.3 V | 2000 Hrs | 320 mOhms | 0.248" x 0.315" | 0.260" x 0.260" | 290 mA | Active | AEC-Q200 |
| UCD0J331MCL6GS | Nichicon | UCD | 330 µF | 6.3 V | 2000 Hrs | 260 mOhms | 0.315" x 0.256" | 0.327" x 0.327" | 300 mA | Active | AEC-Q200 |
| UCL0J331MCL6GS | Nichicon | UCL | 330 µF | 6.3 V | 2000 Hrs | 180 mOhms | 0.315" x 0.244" | 0.327" x 0.327" | 500 mA | Active | — |
| UWD0J331MCL1GS | Nichicon | UWD | 330 µF | 6.3 V | 2000 Hrs | 340 mOhms | 0.248" x 0.315" | 0.260" x 0.260" | 280 mA | Active | — |
| UWG0J331MNL1GS | Nichicon | UWG | 330 µF | 6.3 V | 1000 Hrs | 300 mOhms | 0.315" x 0.413" | 0.327" x 0.327" | 450 mA | Active | AEC-Q200 |
| 6.3TZV330M6.3X8 | Rubycon | TZV | 330 µF | 6.3 V | 2000 Hrs | 340 mOhms | 0.248" x 0.315" | 0.260" x 0.260" | 300 mA | Active | AEC-Q200 |
| EEE-FKA331XSP | Panasonic | FKS | 330 µF | 10 V | 2000 Hrs | 340 mOhms | 0.248" x 0.315" | 0.260" x 0.260" | 280 mA | Not For New Designs | AEC-Q200 |
| EEE-FPJ331XAP | Panasonic | FP | 330 µF | 6.3 V | 2000 Hrs | 160 mOhms | 0.248" x 0.303" | 0.260" x 0.260" | 600 mA | Active | AEC-Q200 |
| EEE-FTA331XAP | Panasonic | FT | 330 µF | 10 V | 2000 Hrs | 160 mOhms | 0.248" x 0.315" | 0.260" x 0.260" | 600 mA | Active | AEC-Q200 |
Engineering Selection Recommendations
Direct Equivalents (Same Footprint, Same Voltage)
For applications requiring identical form factor and electrical characteristics, EEE-FPJ331XAP (Panasonic FP series) provides direct substitution with matching 0.248" diameter, 0.303" height, and 160 mOhm impedance. Both UCL0J331MCL1GS and EEE-FPJ331XAP are Active products with ROHS3 compliance and unlimited moisture sensitivity rating.
Automotive-Rated Alternatives
For designs requiring AEC-Q200 automotive qualification, UUD0J331MCL1GS, UCD0J331MCL1GS, or 6.3TZV330M6.3X8 are suitable. These parts maintain 330 µF capacitance and 6.3 V rating with 2000-hour lifetime. UCD0J331MCL1GS and UCD0J331MCL6GS offer REACH Affected status, indicating compliance with additional regulatory requirements.
Higher Voltage Rating Option
EEE-FTA331XAP provides 10 V rating with identical 330 µF capacitance, enabling use in circuits with higher voltage margins. This part maintains 160 mOhm impedance and 600 mA ripple current capacity at 100 kHz, matching the original part's performance envelope.
Avoid for New Designs
EEE-FKA331XSP carries "Not For New Designs" status and should not be selected for new product development despite meeting electrical specifications.
Frequently Asked Questions (FAQ)
Q: Can I use a 10 V rated capacitor in place of the 6.3 V UCL0J331MCL1GS?
A: Yes. Higher voltage ratings are backward compatible. Parts such as EEE-FKA331XSP and EEE-FTA331XAP rated at 10 V will function in 6.3 V circuits. However, verify that the physical dimensions and land size match your PCB layout.
Q: What is the difference between Nichicon UCL and UCD series substitutes?
A: Both series maintain 330 µF, 6.3 V specifications and 2000-hour lifetime. UCD series carries AEC-Q200 automotive rating and REACH Affected status. UCL series is general purpose without automotive certification. Selection depends on application requirements.
Q: Are there footprint differences between substitute parts?
A: Yes. The original UCL0J331MCL1GS uses 0.248" diameter with 0.260" x 0.260" land size. Larger alternatives such as UCD0J331MCL6GS and UCL0J331MCL6GS use 0.315" diameter with 0.327" x 0.327" land size. Verify PCB layout compatibility before substitution.
Q: Which substitute offers the lowest impedance?
A: EEE-FPJ331XAP and EEE-FTA331XAP both provide 160 mOhm impedance at 100 kHz, matching the original part. UCL0J331MCL6GS also achieves 180 mOhm. Higher impedance alternatives (260-340 mOhm) may affect high-frequency performance.
Q: Can I substitute UWG0J331MNL1GS if my application requires 2000-hour lifetime?
A: No. UWG0J331MNL1GS is rated for only 1000 hours at 105°C, which is half the original part's lifetime. This part is unsuitable for applications requiring 2000-hour endurance.
Q: What is the significance of AEC-Q200 rating?
A: AEC-Q200 certification indicates the part meets automotive industry reliability standards. Parts carrying this rating (UUD0J331MCL1GS, UCD0J331MCL1GS, 6.3TZV330M6.3X8, EEE-FPJ331XAP, EEE-FTA331XAP) are qualified for automotive applications and provide documented quality assurance.
Q: Is Rubycon 6.3TZV330M6.3X8 compatible with the Nichicon original?
A: Yes. The Rubycon TZV series part matches 330 µF, 6.3 V, 2000-hour lifetime, and footprint (0.248" x 0.315" with 0.260" x 0.260" land size). It carries AEC-Q200 rating, making it suitable for automotive designs.
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