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EMLA6R3ARA331MHA0G Equivalent & Substitute Parts
Part Overview
The EMLA6R3ARA331MHA0G is a 330 µF, 6.3 V aluminum electrolytic capacitor manufactured by Chemi-Con in the Alchip™ MLA series. This surface mount radial can capacitor is rated for 3000 hours at 105°C and is designed for general purpose applications. The part is currently active in production with 1017 units in stock.
Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, support design revisions, or address specific application requirements such as extended lifetime, higher voltage ratings, or automotive-grade certifications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Capacitance | 330 | µF |
| Voltage - Rated | 6.3 | V |
| Tolerance | ±20% | — |
| Lifetime @ Temperature | 3000 Hrs @ 105°C | — |
| Operating Temperature Range | -40°C ~ 105°C | — |
| Ripple Current @ 120 Hz | 300 | mA |
| Ripple Current @ 100 kHz | 600 | mA |
| Impedance | 160 | mOhms |
| Size / Dimension | 0.315" Dia (8.00mm) | — |
| Height - Seated (Max) | 0.406" (10.30mm) | — |
| Surface Mount Land Size | 0.327" L x 0.327" W (8.30mm x 8.30mm) | — |
| Mounting Type | Surface Mount | — |
| Package / Case | Radial, Can - SMD | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of aluminum electrolytic capacitors is determined by the following critical parameters:
Primary Substitution Criteria:
- Capacitance value (330 µF)
- Voltage rating (equal to or greater than 6.3 V)
- Tolerance (±20%)
- Physical dimensions (0.315" diameter, compatible height)
- Surface mount land size (0.327" L x 0.327" W)
- Polarization (Polar)
- Package type (Radial, Can - SMD)
Secondary Compatibility Factors:
- Operating temperature range (-40°C minimum to 105°C minimum)
- Ripple current capability at specified frequencies
- Impedance characteristics
- RoHS and environmental compliance
Substitute parts are grouped into two categories:
Upgrade Substitutes: Parts with equal or superior electrical performance characteristics, including higher voltage ratings (10 V, 16 V), extended lifetime ratings (5000-8000 hours), or automotive-grade certifications (AEC-Q200).
Similar Parts: Parts with higher voltage ratings (25 V, 35 V) that maintain identical capacitance and physical compatibility but are selected for applications requiring additional voltage margin or enhanced performance specifications.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Capacitance (µF) | Voltage (V) | Lifetime @ Temp | Operating Temp Range (°C) | Ripple Current @ 120 Hz (mA) | Ripple Current @ 100 kHz (mA) | Impedance (mOhms) | Height (mm) | Product Status | Ratings |
|---|---|---|---|---|---|---|---|---|---|---|---|
| EMLA6R3ARA331MHA0G | Chemi-Con | 330 | 6.3 | 3000 Hrs @ 105°C | -40 ~ 105 | 300 | 600 | 160 | 10.30 | Active | — |
| UUL0J331MNL1GS | Nichicon | 330 | 6.3 | 5000 Hrs @ 105°C | -40 ~ 105 | 160 | 240 | — | 10.50 | Active | — |
| EEE-HC0J331P | Panasonic Electronic Components | 330 | 6.3 | 5000 Hrs @ 105°C | -40 ~ 105 | 230 | 391 | — | 10.20 | Active | AEC-Q200 |
| 10TRV330M8X10.5 | Rubycon | 330 | 10 | 8000 Hrs @ 105°C | -40 ~ 105 | 360 | 600 | 150 | 10.50 | Active | — |
| 16TRV330M8X10.5 | Rubycon | 330 | 16 | 8000 Hrs @ 105°C | -40 ~ 105 | 360 | 600 | 150 | 10.50 | Active | — |
| EEE-TK1A331UP | Panasonic Electronic Components | 330 | 10 | 3000 Hrs @ 125°C | -40 ~ 125 | 128.1 | 197 | 300 | 10.20 | Active | — |
| UCZ1A331MCS6GS | Nichicon | 330 | 10 | 3000 Hrs @ 125°C | -40 ~ 125 | 135 | 270 | 200 | 10.80 | Not For New Designs | — |
| UUD1A331MNL1GS | Nichicon | 330 | 10 | 5000 Hrs @ 105°C | -55 ~ 105 | 225 | 450 | 170 | 10.50 | Active | AEC-Q200 |
| UUD1C331MNL1GS | Nichicon | 330 | 16 | 5000 Hrs @ 105°C | -55 ~ 105 | 225 | 450 | 170 | 10.50 | Active | AEC-Q200 |
| 25TLV330M8X10.5 | Rubycon | 330 | 25 | 5000 Hrs @ 105°C | -55 ~ 105 | 360 | 600 | 160 | 10.50 | Active | AEC-Q200 |
| EEE-FT1V331GP | Panasonic Electronic Components | 330 | 35 | 5000 Hrs @ 105°C | -55 ~ 105 | 552.5 | 850 | 80 | 10.50 | Active | AEC-Q200 |
Engineering Selection Recommendations
Direct Equivalent (Same Voltage Rating - 6.3 V):
UUL0J331MNL1GS (Nichicon) and EEE-HC0J331P (Panasonic Electronic Components) are direct equivalents to EMLA6R3ARA331MHA0G. Both maintain 330 µF capacitance and 6.3 V rating with identical physical compatibility. UUL0J331MNL1GS provides extended lifetime (5000 hours at 105°C versus 3000 hours). EEE-HC0J331P includes AEC-Q200 automotive qualification and is suitable for automotive applications requiring enhanced reliability standards.
Upgrade Substitutes (Higher Voltage Ratings):
10TRV330M8X10.5 (Rubycon) and 16TRV330M8X10.5 (Rubycon) provide voltage upgrades to 10 V and 16 V respectively, with extended lifetime of 8000 hours at 105°C. These parts are electrically compatible in circuits designed for 6.3 V operation and offer improved voltage margin and thermal performance.
UUD1A331MNL1GS (Nichicon, 10 V) and UUD1C331MNL1GS (Nichicon, 16 V) are automotive-qualified alternatives with AEC-Q200 certification, 5000-hour lifetime at 105°C, and extended operating temperature range (-55°C to 105°C). These parts are suitable for automotive applications.
EEE-TK1A331UP (Panasonic Electronic Components, 10 V) provides extended operating temperature to 125°C with 3000-hour lifetime at that temperature, suitable for high-temperature applications.
Similar Parts (Higher Voltage Ratings for Enhanced Margin):
25TLV330M8X10.5 (Rubycon, 25 V) and EEE-FT1V331GP (Panasonic Electronic Components, 35 V) maintain 330 µF capacitance with significantly higher voltage ratings. Both include AEC-Q200 automotive certification and 5000-hour lifetime at 105°C. These parts are selected when additional voltage safety margin or automotive-grade reliability is required.
Parts to Avoid:
UCZ1A331MCS6GS (Nichicon) carries product status "Not For New Designs" and should not be selected for new circuit designs.
Frequently Asked Questions (FAQ)
Q: Can I substitute a higher voltage rated capacitor (10 V, 16 V, 25 V, 35 V) for the 6.3 V EMLA6R3ARA331MHA0G?
A: Yes. Higher voltage-rated capacitors are electrically compatible in circuits designed for lower voltages. The capacitor will operate safely with reduced voltage stress, potentially extending component lifetime. Physical dimensions and land size compatibility must be verified.
Q: What is the difference between "Upgrade Substitutes" and "Similar Parts"?
A: Upgrade Substitutes maintain the same or very similar voltage rating (6.3 V to 10 V range) with improved performance characteristics such as extended lifetime or automotive certification. Similar Parts have significantly higher voltage ratings (25 V, 35 V) and are selected when additional voltage margin or specific certifications are required.
Q: Are all substitute parts physically compatible with the original PCB footprint?
A: All listed substitute parts share the same surface mount land size (0.327" L x 0.327" W / 8.30mm x 8.30mm) and 0.315" diameter (8.00mm). Height variations range from 10.20mm to 10.80mm. Verify maximum height clearance in your specific application before substitution.
Q: Which substitute parts are suitable for automotive applications?
A: Parts with AEC-Q200 certification are qualified for automotive use: EEE-HC0J331P (6.3 V), UUD1A331MNL1GS (10 V), UUD1C331MNL1GS (16 V), 25TLV330M8X10.5 (25 V), and EEE-FT1V331GP (35 V).
Q: What does "Not For New Designs" mean for UCZ1A331MCS6GS?
A: This product status indicates the part is in limited production and should not be selected for new circuit designs. Use active status parts instead.
Q: How do ripple current ratings affect substitution?
A: Ripple current capability must meet or exceed the application requirement. Higher ripple current ratings indicate better thermal performance under AC stress. Verify the substitute part's ripple current specification matches or exceeds your circuit's ripple current demand at the specified frequency (120 Hz or 100 kHz).
Q: What is the significance of impedance (mOhms) in capacitor selection?
A: Lower impedance indicates better high-frequency performance and reduced voltage ripple. Impedance values are provided for parts where specified. When impedance is critical to your application, select parts with lower impedance values for improved performance.
Q: Can I use EEE-TK1A331UP in applications requiring operation above 105°C?
A: EEE-TK1A331UP is rated for operation to 125°C with 3000-hour lifetime at that temperature. It is suitable for high-temperature applications. Verify the specific thermal requirements of your circuit before selection.
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