USF1V330MDD Equivalent & Substitute Parts

Part Overview

The USF1V330MDD is a 33 µF, 35 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as obsolete, with a rated lifetime of 1000 hours at 105°C. Due to its obsolete status, equivalent and substitute parts from active product lines or alternative manufacturers are necessary for ongoing design support, production continuity, and long-term component availability.

Key Parameters

Parameter	Value
Capacitance	33 µF
Voltage Rating	35 V
Tolerance	±20%
Lifetime @ 105°C	1000 Hrs
Operating Temperature Range	-55°C to 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the USF1V330MDD is determined by strict adherence to the following electrical and mechanical parameters:

Core Electrical Parameters (Non-Negotiable):

Capacitance: 33 µF
Voltage Rating: 35 V
Tolerance: ±20%
Polarization: Polar

Mechanical Compatibility Parameters:

Mounting Type: Through Hole (primary requirement)
Package Type: Radial, Can (standard form factor)
Operating Temperature Range: -55°C to 105°C (minimum requirement)

Acceptable Variations:

Lifetime @ 105°C: Equal to or greater than 1000 hours
Lead Spacing: Variations acceptable within standard through-hole pitch tolerances
Physical Dimensions: Variations acceptable provided mounting footprint remains compatible
Impedance: Variations acceptable within aluminum electrolytic capacitor specifications
Ripple Current Ratings: Equal to or greater than specified values

Excluded from Substitution:

Surface Mount variants (different mounting technology)
Capacitance values other than 33 µF
Voltage ratings below 35 V
Operating temperature ranges narrower than -55°C to 105°C

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Mounting Type	Package Type	Lead Spacing	Size (Dia)	Height (Max)	Product Status
USF1V330MDD	Nichicon	33 µF	35 V	±20%	1000 Hrs	Through Hole	Radial, Can	0.138" (4.60mm)	0.315" (8.00mm)	0.315" (8.00mm)	Obsolete
UPM1V330MED	Nichicon	33 µF	35 V	±20%	2000 Hrs	Through Hole	Radial, Can	0.098" (2.50mm)	0.248" (6.30mm)	0.492" (12.50mm)	Obsolete
UPS1V330MDD	Nichicon	33 µF	35 V	±20%	2000 Hrs	Through Hole	Radial, Can	0.079" (2.00mm)	0.197" (5.00mm)	0.492" (12.50mm)	Obsolete
UPV1V330MGD	Nichicon	33 µF	35 V	±20%	5000 Hrs	Through Hole	Radial, Can	0.098" (2.50mm)	0.248" (6.30mm)	0.492" (12.50mm)	Obsolete
UPW1V330MDD	Nichicon	33 µF	35 V	±20%	2000 Hrs	Through Hole	Radial, Can	0.079" (2.00mm)	0.197" (5.00mm)	0.433" (11.00mm)	Obsolete
EEU-FC1V330B	Panasonic Electronic Components	33 µF	35 V	±20%	1000 Hrs	Through Hole	Radial, Can	0.197" (5.00mm)	0.197" (5.00mm)	0.571" (14.50mm)	Active
EEU-FC1V330H	Panasonic Electronic Components	33 µF	35 V	±20%	1000 Hrs	Through Hole	Radial, Can	0.098" (2.50mm)	0.197" (5.00mm)	0.472" (12.00mm)	Active
ELXZ350ELL330MEB5D	Chemi-Con	33 µF	35 V	±20%	2000 Hrs	Through Hole	Radial, Can	0.079" (2.00mm)	0.197" (5.00mm)	0.512" (13.00mm)	Active

Engineering Selection Recommendations

For Direct Electrical Equivalence with Matched Lifetime: EEU-FC1V330B and EEU-FC1V330H from Panasonic Electronic Components are active product line alternatives with identical electrical specifications (33 µF, 35 V, ±20%, 1000 Hrs @ 105°C). Both are ROHS3 compliant and AEC-Q200 rated for automotive applications. These parts provide the closest functional match to the USF1V330MDD.

For Extended Lifetime Applications: UPV1V330MGD (Nichicon, 5000 Hrs @ 105°C), UPM1V330MED (Nichicon, 2000 Hrs @ 105°C), UPS1V330MDD (Nichicon, 2000 Hrs @ 105°C), UPW1V330MDD (Nichicon, 2000 Hrs @ 105°C), and ELXZ350ELL330MEB5D (Chemi-Con, 2000 Hrs @ 105°C) offer extended operational lifetime ratings. All maintain core electrical parameters and ROHS3 compliance. Selection depends on specific application lifetime requirements and available board space.

For Active Product Availability: EEU-FC1V330B, EEU-FC1V330H, and ELXZ350ELL330MEB5D are classified as active products, ensuring long-term supply chain continuity. All three are ROHS3 compliant and suitable for production environments requiring component traceability and ongoing manufacturer support.

Mechanical Compatibility Considerations: Physical dimensions vary across substitute options. Lead spacing ranges from 0.079" (2.00mm) to 0.197" (5.00mm), and height ranges from 0.433" (11.00mm) to 0.571" (14.50mm). PCB layout verification is required to confirm mechanical fit within available board space.

Frequently Asked Questions (FAQ)

Q: Can I substitute the USF1V330MDD with any 33 µF, 35 V capacitor? A: No. Substitution requires matching all core electrical parameters (33 µF capacitance, 35 V voltage rating, ±20% tolerance, polar configuration) and maintaining through-hole radial can package type. Operating temperature range must span -55°C to 105°C minimum. Lifetime ratings must equal or exceed 1000 hours at 105°C.

Q: What is the difference between the Nichicon and Panasonic alternatives? A: Both manufacturers provide 33 µF, 35 V, 1000 Hrs @ 105°C equivalents. Panasonic EEU-FC series parts (EEU-FC1V330B, EEU-FC1V330H) are active products with AEC-Q200 automotive qualification. Nichicon alternatives vary in lifetime ratings (2000 to 5000 hours) and physical dimensions. Selection depends on supply chain requirements and available board space.

Q: Are there surface mount alternatives to the USF1V330MDD? A: The UWT1V330MCL1GB is a surface mount variant from Nichicon with identical electrical specifications (33 µF, 35 V, 1000 Hrs @ 105°C). However, this part requires different PCB layout, assembly process, and mounting technology. It is not a direct through-hole substitute.

Q: Which substitute offers the longest operational lifetime? A: The UPV1V330MGD (Nichicon) provides 5000 hours at 105°C, the highest lifetime rating among available substitutes. All other alternatives offer either 1000 or 2000 hours at 105°C.

Q: Do all substitutes meet RoHS and REACH compliance? A: Yes. All listed substitute parts are ROHS3 compliant and REACH unaffected, matching the compliance status of the USF1V330MDD.

Q: What should I verify before implementing a substitute part? A: Confirm PCB footprint compatibility by comparing lead spacing and physical dimensions. Verify that the selected substitute's lifetime rating meets application requirements. Validate that the mounting type (through-hole) and package configuration (radial can) are compatible with existing assembly processes. Confirm electrical performance under actual operating conditions, including ripple current and impedance characteristics.

Q: Are Nichicon obsolete parts still available for procurement? A: Nichicon obsolete series parts (USF, UPM, UPS, UPV, UPW) remain available through authorized distributors with existing inventory. However, long-term availability is not guaranteed. Active product alternatives from Panasonic (EEU-FC series) and Chemi-Con (ELXZ series) are recommended for new designs requiring sustained supply chain support.

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