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UPM1A331MPD Equivalent & Substitute Parts
Part Overview
The UPM1A331MPD is a 330 µF, 10 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 3000 hours at 105°C and is designed for automotive applications with AEC-Q200 compliance. The part is classified as "Not For New Designs," making identification of equivalent and substitute parts essential for ongoing maintenance, repair, and legacy system support.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 330 µF |
| Voltage Rating | 10 V |
| Tolerance | ±20% |
| Lifetime @ Temperature | 3000 Hrs @ 105°C |
| Operating Temperature Range | -55°C ~ 105°C |
| Package Type | Radial, Can |
| Lead Spacing | 0.138" (4.60mm) |
| Case Diameter | 0.315" Dia (8.00mm) |
| Height - Seated (Max) | 0.512" (13.00mm) |
| Mounting Type | Through Hole |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the UPM1A331MPD is determined by the following criteria:
Primary Substitution Parameters:
- Capacitance: 330 µF (exact match required)
- Tolerance: ±20% (exact match required)
- Package Type: Radial, Can (exact match required)
- Lead Spacing: 0.138" (4.60mm) (exact match required)
- Case Diameter: 0.315" Dia (8.00mm) (exact match required)
- Mounting Type: Through Hole (exact match required)
Secondary Substitution Parameters (allowable variation):
- Voltage Rating: 10 V or higher (higher voltage ratings are acceptable for direct substitution)
- Lifetime @ Temperature: 3000 Hrs @ 105°C or longer (extended lifetime is acceptable)
- Operating Temperature Range: -55°C ~ 105°C (must match or exceed)
- Impedance: Lower impedance values are acceptable
- Ripple Current: Equal or higher values are acceptable
Substitute parts are categorized as:
- Upgrade Parts: Higher voltage rating (16 V or 25 V) with same or better electrical characteristics
- Similar Parts: Same voltage rating (10 V) with different series designation or extended lifetime
Parameter Comparison
| Part Number | Manufacturer | Capacitance | Voltage | Tolerance | Lifetime @ 105°C | Impedance | Lead Spacing | Case Dia | Height (Max) | Product Status |
|---|---|---|---|---|---|---|---|---|---|---|
| UPM1A331MPD | Nichicon | 330 µF | 10 V | ±20% | 3000 Hrs | 160 mOhms | 0.138" | 0.315" | 0.512" | Not For New Designs |
| UPA1C331MPD | Nichicon | 330 µF | 16 V | ±20% | 3000 Hrs | 90 mOhms | 0.138" | 0.315" | 0.512" | Active |
| UPA1E331MPD | Nichicon | 330 µF | 25 V | ±20% | 3000 Hrs | 90 mOhms | 0.138" | 0.315" | 0.512" | Active |
| UPV1A331MGD | Nichicon | 330 µF | 10 V | ±20% | 5000 Hrs | 270 mOhms | 0.138" | 0.315" | 0.512" | Not For New Designs |
| UPW1A331MPD | Nichicon | 330 µF | 10 V | ±20% | 3000 Hrs | 117 mOhms | 0.138" | 0.315" | 0.453" | Not For New Designs |
| 337KXM016M | Cornell Dubilier / Illinois Capacitor | 330 µF | 16 V | ±20% | 3000 Hrs | 220 mOhms | 0.138" | 0.315" | 0.512" | Active |
| 337RZM016M | Cornell Dubilier / Illinois Capacitor | 330 µF | 16 V | ±20% | 3000 Hrs | 540 mOhms | 0.138" | 0.315" | 0.512" | Active |
| ELXZ160ELL331MH12D | Chemi-Con | 330 µF | 16 V | ±20% | 3000 Hrs | 120 mOhms | 0.138" | 0.315" | 0.531" | Active |
| MAL215055331E3 | Vishay Beyschlag/Draloric/BC Components | 330 µF | 16 V | ±20% | 4000 Hrs | 117 mOhms | 0.138" | 0.315" | 0.512" | Active |
| MAL215085331E3 | Vishay Beyschlag/Draloric/BC Components | 330 µF | 16 V | ±20% | 4000 Hrs | 117 mOhms | 0.138" | 0.315" | 0.512" | Active |
| EEU-FC1A331 | Panasonic Electronic Components | 330 µF | 10 V | ±20% | 2000 Hrs | 117 mOhms | 0.138" | 0.315" | 0.453" | Active |
Engineering Selection Recommendations
For Automotive Applications (AEC-Q200 Compliance): When AEC-Q200 certification is required, select from: ELXZ160ELL331MH12D (Chemi-Con), MAL215055331E3 (Vishay), or MAL215085331E3 (Vishay). These parts maintain automotive-grade compliance and are currently in active production status.
For Direct Voltage Substitution (10 V Rating): UPW1A331MPD and EEU-FC1A331 are direct voltage equivalents. UPW1A331MPD offers lower impedance (117 mOhms vs. 160 mOhms) and maintains the same 3000-hour lifetime. EEU-FC1A331 is currently active but has a reduced lifetime of 2000 hours at 105°C.
For Voltage Upgrade (Higher Voltage Tolerance): UPA1C331MPD (16 V) and UPA1E331MPD (25 V) provide higher voltage ratings with improved electrical characteristics (90 mOhms impedance). Both are Nichicon products in active production. These are suitable when circuit design permits higher voltage operation.
For Extended Lifetime Requirements: UPV1A331MGD offers 5000 hours at 105°C (versus 3000 hours for the main part) at the same 10 V rating, though impedance is higher at 270 mOhms.
For Active Production Status: All substitute parts listed are either Active or Not For New Designs. For new designs, prioritize Active status parts: UPA1C331MPD, UPA1E331MPD, 337KXM016M, 337RZM016M, ELXZ160ELL331MH12D, MAL215055331E3, MAL215085331E3, and EEU-FC1A331.
Frequently Asked Questions (FAQ)
Q: Can I use a 16 V rated capacitor in place of the 10 V UPM1A331MPD? A: Yes. A higher voltage rating is a valid substitution. The 16 V parts (UPA1C331MPD, 337KXM016M, 337RZM016M, ELXZ160ELL331MH12D, MAL215055331E3, MAL215085331E3) will function correctly in circuits designed for 10 V operation. The circuit will experience no adverse effects from the higher voltage rating.
Q: What is the difference between UPA1C331MPD and UPA1E331MPD? A: Both are Nichicon UPA series parts with identical electrical characteristics (330 µF, ±20%, 90 mOhms impedance, 3000 Hrs @ 105°C). The difference is voltage rating: UPA1C331MPD is 16 V, while UPA1E331MPD is 25 V. Selection depends on circuit voltage requirements.
Q: Why does UPW1A331MPD have a different height (0.453" vs. 0.512")? A: UPW1A331MPD is a different Nichicon series with a shorter physical height while maintaining the same capacitance, voltage, and lead spacing. Verify PCB layout clearance before substitution.
Q: Is EEU-FC1A331 suitable for automotive applications? A: EEU-FC1A331 carries AEC-Q200 certification and is suitable for automotive use. However, its lifetime is 2000 hours at 105°C, which is lower than the original UPM1A331MPD (3000 hours). Evaluate application requirements for thermal cycling and operational duration.
Q: What is the difference between MAL215055331E3 and MAL215085331E3? A: Both are Vishay 150 RMI series parts with identical electrical specifications (330 µF, 16 V, ±20%, 4000 Hrs @ 105°C, 117 mOhms). The difference is in the internal construction or manufacturing process, but they are electrically equivalent for substitution purposes.
Q: Can I substitute ELXZ160ELL331MH12D if the height is 0.531" instead of 0.512"? A: The 0.019" (0.5mm) height difference must be verified against PCB layout and component clearance requirements. If vertical space is constrained, this part may not be suitable. Confirm mechanical fit before implementation.
Q: Which substitute offers the lowest impedance? A: UPA1C331MPD and UPA1E331MPD both offer 90 mOhms impedance, the lowest among all listed substitutes. This provides superior high-frequency performance compared to the original UPM1A331MPD (160 mOhms).
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