UPM1E331MPD6 Equivalent & Substitute Parts

Part Overview

The UPM1E331MPD6 is a 330 µF, 25 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is rated for 5000 hours at 105°C and carries AEC-Q200 automotive qualification. The part is classified as "Not For New Designs," making identification of equivalent and substitute parts essential for ongoing production support, legacy system maintenance, and design flexibility.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	25 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.197" (5.00mm)
Case Diameter	0.394" (10.00mm)
Height	0.669" (17.00mm)
Impedance	95 mOhms
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UPM1E331MPD6 is determined by strict electrical and mechanical compatibility:

Electrical Parameters (Must Match or Exceed):

Capacitance: 330 µF (exact match required)
Voltage Rating: 25 V minimum (higher voltage acceptable as upgrade)
Tolerance: ±20% (standard for this category)
Operating Temperature: -55°C ~ 105°C (full range required)
Polarization: Polar (mandatory)

Mechanical Parameters (Must Match or Accommodate PCB Layout):

Lead Spacing: 0.197" (5.00mm) preferred for direct replacement
Case Diameter: 0.394" (10.00mm) preferred for direct replacement
Height: 0.669" (17.00mm) or lower acceptable
Package Type: Radial, Can through-hole only

Performance Parameters (Acceptable Variation):

Lifetime @ 105°C: 5000 hours or greater acceptable
Impedance: Variation acceptable within electrical performance envelope
Ripple Current: Variation acceptable if application requirements met

Substitutes are grouped into two categories: Direct Equivalents (matching all mechanical and electrical parameters) and Upgrades (higher voltage rating or improved performance characteristics).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Lifetime @ 105°C	Lead Spacing	Case Dia	Height	Impedance	Product Status	Automotive Rated
UPM1E331MPD6	Nichicon	330 µF	25 V	5000 Hrs	5.00mm	10.00mm	17.00mm	95 mOhms	Not For New Designs	Yes (AEC-Q200)
UPJ1E331MPD6	Nichicon	330 µF	25 V	5000 Hrs	5.00mm	10.00mm	16.50mm	150 mOhms	Not For New Designs	No
UPW1E331MPD	Nichicon	330 µF	25 V	5000 Hrs	5.00mm	10.00mm	12.50mm	90 mOhms	Not For New Designs	No
UPW1E331MPD6	Nichicon	330 µF	25 V	3000 Hrs	4.60mm	8.00mm	15.00mm	85 mOhms	Active	No
B41858C7337M000	EPCOS - TDK Electronics	330 µF	35 V	5000 Hrs	5.00mm	10.00mm	17.00mm	105 mOhms	Active	No
B41888C7337M000	EPCOS - TDK Electronics	330 µF	35 V	7000 Hrs	5.00mm	10.00mm	17.00mm	59 mOhms	Active	Yes (AEC-Q200)
ELXZ350ELL331MJ16S	Chemi-Con	330 µF	35 V	5000 Hrs	5.00mm	10.00mm	17.50mm	68 mOhms	Active	Yes (AEC-Q200)
MAL213636331E3	Vishay Beyschlag/Draloric/BC Components	330 µF	25 V	6000 Hrs	5.00mm	10.00mm	17.50mm	84 mOhms	Active	No

Engineering Selection Recommendations

Direct Mechanical Replacement (5.00mm Lead Spacing, 10.00mm Diameter):

UPJ1E331MPD6 and UPW1E331MPD are direct mechanical substitutes with identical lead spacing and case diameter. UPJ1E331MPD6 maintains the 5000-hour lifetime specification. UPW1E331MPD offers improved impedance (90 mOhms vs. 95 mOhms) but with reduced lifetime (5000 hours). Both are Nichicon products with ROHS3 compliance but lack automotive qualification.

Active Product Alternative (Same Voltage, Improved Availability):

UPW1E331MPD6 is the only active Nichicon product in this electrical specification range. It carries a reduced lifetime rating (3000 hours vs. 5000 hours) and smaller lead spacing (4.60mm), requiring PCB layout modification. This part is suitable for new designs and offers superior inventory availability (11,988 units in stock).

Voltage Upgrade Options (35 V Rating):

B41858C7337M000 and B41888C7337M000 (EPCOS - TDK Electronics) and ELXZ350ELL331MJ16S (Chemi-Con) provide 35 V ratings with identical mechanical footprints (5.00mm lead spacing, 10.00mm diameter). These are direct mechanical replacements with voltage margin improvement. B41888C7337M000 offers the best performance profile: 7000-hour lifetime, 59 mOhms impedance, and AEC-Q200 automotive qualification. ELXZ350ELL331MJ16S provides equivalent performance with AEC-Q200 rating and lower impedance (68 mOhms).

Same-Voltage Active Alternative (Vishay):

MAL213636331E3 (Vishay) matches the 25 V specification with improved lifetime (6000 hours) and active product status. Mechanical footprint is identical. Packaging is Tape & Box format rather than bulk. No automotive qualification provided.

Frequently Asked Questions (FAQ)

Q: Can UPJ1E331MPD6 directly replace UPM1E331MPD6 on the PCB?

A: Yes. Both parts share identical lead spacing (5.00mm), case diameter (10.00mm), and electrical specifications (330 µF, 25 V, ±20%). Height difference is minimal (16.50mm vs. 17.00mm). Electrical performance is equivalent at 5000-hour lifetime. The primary difference is lack of automotive qualification on UPJ1E331MPD6.

Q: What is the advantage of upgrading to 35 V rated capacitors?

A: 35 V rated parts (B41858C7337M000, B41888C7337M000, ELXZ350ELL331MJ16S) provide voltage margin in the circuit, reducing stress on the capacitor and extending operational life. These parts maintain identical mechanical footprints and 330 µF capacitance. B41888C7337M000 additionally offers extended lifetime (7000 hours) and lower impedance (59 mOhms).

Q: Does lead spacing change affect PCB compatibility?

A: Yes. UPW1E331MPD6 uses 4.60mm lead spacing versus the standard 5.00mm. This requires PCB layout modification and cannot be used as a direct drop-in replacement. All other substitutes maintain 5.00mm spacing for direct compatibility.

Q: Which substitute offers the best long-term availability?

A: UPW1E331MPD6 is the only active Nichicon product (11,988 units in stock). All other Nichicon parts are classified "Not For New Designs." For new designs, UPW1E331MPD6 is the recommended path forward, though PCB layout adjustment is required due to different lead spacing.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitutes carry ROHS3 compliance. Moisture sensitivity level is "Not Applicable" for all parts, indicating standard handling procedures are sufficient.

Q: Which substitutes carry automotive qualification?

A: UPM1E331MPD6 (original), B41888C7337M000, and ELXZ350ELL331MJ16S carry AEC-Q200 automotive qualification. For automotive applications requiring this certification, these three parts are the qualified options.

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