UHD1C331MPD1TA Equivalent & Substitute Parts

Part Overview

The UHD1C331MPD1TA is a 330 µF, 16 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in Nichicon's product portfolio. Finding equivalent and substitute parts is necessary to support existing designs, facilitate board-level repairs, and identify active alternatives that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	16 V
Tolerance	±20%
Lifetime @ Temperature	3000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Lead Spacing	0.138" (4.60 mm)
Case Diameter	0.315" (8.00 mm)
Height (Seated Max)	0.512" (13.00 mm)
Mounting Type	Through Hole Radial
Package Type	Radial, Can

Substitute Part Grouping Explanation

Substitute parts for the UHD1C331MPD1TA are categorized based on the following substitution criteria:

Direct Electrical Equivalents (Same Voltage Rating): Parts maintaining 330 µF capacitance, 16 V voltage rating, ±20% tolerance, and identical physical dimensions (0.315" diameter, 0.512" height, 0.138" lead spacing) with 3000 Hrs @ 105°C lifetime.

Upgraded Alternatives (Higher Voltage Rating): Parts with 330 µF capacitance, 25 V voltage rating, ±20% tolerance, and identical physical dimensions. These provide voltage margin while maintaining form factor compatibility.

Enhanced Lifetime Variants: Parts with 330 µF capacitance, 25 V voltage rating, and extended 5000 Hrs @ 105°C lifetime, maintaining identical physical dimensions.

Cross-Manufacturer Equivalents: Parts from alternative manufacturers (Chemi-Con, KYOCERA AVX, Rubycon) meeting identical electrical and mechanical specifications.

All substitute parts maintain Through Hole Radial mounting configuration and are ROHS3 compliant.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Operating Temp Range	Lead Spacing	Case Diameter	Height (Max)	Product Status
UHD1C331MPD1TA	Nichicon	330 µF	16 V	±20%	3000 Hrs	-40°C ~ 105°C	0.138" (4.60 mm)	0.315" (8.00 mm)	0.512" (13.00 mm)	Not For New Designs
UPA1C331MPD1TA	Nichicon	330 µF	16 V	±20%	3000 Hrs	-55°C ~ 105°C	0.138" (4.60 mm)	0.315" (8.00 mm)	0.512" (13.00 mm)	Active
UPA1E331MPD1TA	Nichicon	330 µF	25 V	±20%	3000 Hrs	-55°C ~ 105°C	0.138" (4.60 mm)	0.315" (8.00 mm)	0.512" (13.00 mm)	Active
UTT1E331MPD1TA	Nichicon	330 µF	25 V	±20%	5000 Hrs	-40°C ~ 105°C	0.138" (4.60 mm)	0.315" (8.00 mm)	0.512" (13.00 mm)	Active
EKZE160ETC331MHB5D	Chemi-Con	330 µF	16 V	±20%	3000 Hrs	-40°C ~ 105°C	0.138" (4.60 mm)	0.315" (8.00 mm)	0.512" (13.00 mm)	Active
REA0812331M016K	KYOCERA AVX	330 µF	16 V	±20%	3000 Hrs	-40°C ~ 105°C	0.138" (4.60 mm)	0.315" (8.00 mm)	0.512" (13.00 mm)	Active
16ZLG330MEFCT78X11.5	Rubycon	330 µF	16 V	±20%	3000 Hrs	-40°C ~ 105°C	0.138" (4.60 mm)	0.315" (8.00 mm)	0.512" (13.00 mm)	Active

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications): UPA1C331MPD1TA (Nichicon), EKZE160ETC331MHB5D (Chemi-Con), REA0812331M016K (KYOCERA AVX), and 16ZLG330MEFCT78X11.5 (Rubycon) are all Active products meeting identical 330 µF, 16 V, 3000 Hrs @ 105°C specifications with matching physical dimensions. UPA1C331MPD1TA extends the operating temperature range to -55°C, providing additional thermal margin.

For Voltage Margin Applications: UPA1E331MPD1TA and UTT1E331MPD1TA both provide 25 V rating while maintaining 330 µF capacitance and identical form factor. UTT1E331MPD1TA offers extended 5000 Hrs @ 105°C lifetime, suitable for applications requiring enhanced reliability.

For Cross-Manufacturer Sourcing: All substitute parts maintain ROHS3 compliance and identical mechanical compatibility. Selection between manufacturers should be based on supply chain availability and procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can UPA1E331MPD1TA (25 V) replace UHD1C331MPD1TA (16 V)? A: Yes. The 25 V rating is electrically compatible with 16 V applications. The higher voltage rating provides additional safety margin without affecting circuit operation. Physical dimensions and capacitance remain identical.

Q: What is the difference between UPA1C331MPD1TA and UTT1E331MPD1TA? A: UPA1C331MPD1TA is rated 16 V with 3000 Hrs @ 105°C lifetime and -55°C lower operating temperature limit. UTT1E331MPD1TA is rated 25 V with 5000 Hrs @ 105°C lifetime and -40°C lower operating temperature limit. Both maintain identical physical dimensions and 330 µF capacitance.

Q: Are cross-manufacturer parts (Chemi-Con, KYOCERA AVX, Rubycon) fully compatible? A: Yes. EKZE160ETC331MHB5D, REA0812331M016K, and 16ZLG330MEFCT78X11.5 all meet identical electrical and mechanical specifications: 330 µF, 16 V, ±20% tolerance, 3000 Hrs @ 105°C, and matching lead spacing and case dimensions. All are ROHS3 compliant.

Q: Does packaging format affect substitution? A: Packaging format (Cut Tape, Tape & Reel, Tape & Box) does not affect electrical or mechanical compatibility. Selection should be based on procurement and assembly process requirements.

Q: Can I use 16ZLG330MEFCT78X11.5 in a high-ripple-current application? A: 16ZLG330MEFCT78X11.5 supports 550 mA @ 120 Hz and 1 A @ 100 kHz ripple current, exceeding the original UHD1C331MPD1TA specification (532 mA @ 120 Hz, 760 mA @ 100 kHz). This part is suitable for high-ripple applications.

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