EEU-ED2C330B Equivalent & Substitute Parts

Part Overview

The EEU-ED2C330B is a 33 µF, 160 V aluminum electrolytic capacitor in radial configuration manufactured by Panasonic Electronic Components. This component is rated for 8000 hours at 105°C and is designed for general-purpose applications requiring through-hole mounting. The part is currently active in production and ROHS3 compliant.

Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when enhanced performance characteristics such as extended lifetime or higher voltage ratings are needed for circuit optimization.

Key Parameters

Parameter	Value
Capacitance	33 µF
Voltage Rating	160 V
Tolerance	±20%
Lifetime @ 105°C	8000 Hrs
Operating Temperature Range	-25°C ~ 105°C
Polarization	Polar
Lead Spacing	0.197" (5.00 mm)
Diameter	0.394" (10.00 mm)
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the EEU-ED2C330B is determined by the following criteria:

Primary Substitution Criteria (Must Match):

Capacitance: 33 µF
Tolerance: ±20%
Polarization: Polar
Lead Spacing: 0.197" (5.00 mm)
Diameter: 0.394" (10.00 mm)
Mounting Type: Through Hole
Package Type: Radial, Can

Secondary Substitution Criteria (May Vary):

Voltage Rating: Equal to or greater than 160 V
Lifetime @ 105°C: Equal to or greater than 8000 Hrs
Height: Variations acceptable within mechanical envelope constraints
Packaging Format: Tape & Box, Bulk, or Cut Tape formats are interchangeable for component selection
Manufacturer: Different manufacturers acceptable if electrical and mechanical parameters align

Parts are grouped into three categories: direct equivalents (identical specifications), similar alternatives (same electrical ratings with different lifetime or packaging), and upgrades (enhanced voltage or lifetime ratings).

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Height (Max)	Packaging	Product Status
EEU-ED2C330B	Panasonic	33 µF	160 V	±20%	8000 Hrs	0.866" (22.00 mm)	Tape & Box	Active
EEU-ED2C330	Panasonic	33 µF	160 V	±20%	8000 Hrs	0.787" (20.00 mm)	Bulk	Active
ECA-2CHG330	Panasonic	33 µF	160 V	±20%	2000 Hrs	0.866" (22.00 mm)	Bulk	Active
EEU-EB2C330	Panasonic	33 µF	160 V	±20%	5000 Hrs	0.787" (20.00 mm)	Bulk	Active
EEU-EE2C330	Panasonic	33 µF	160 V	±20%	8000 Hrs	0.866" (22.00 mm)	Bulk	Active
UCA2C330MPD1TD	Nichicon	33 µF	160 V	±20%	10000 Hrs	0.846" (21.50 mm)	Cut Tape	Not For New Designs
UCA2C330MPD	Nichicon	33 µF	160 V	±20%	10000 Hrs	0.846" (21.50 mm)	Bulk	Obsolete
UCS2D330MPD1TD	Nichicon	33 µF	200 V	±20%	8000 Hrs	0.846" (21.50 mm)	Cut Tape	Active
UCY2D330MPD1TD	Nichicon	33 µF	200 V	±20%	12000 Hrs	0.846" (21.50 mm)	Cut Tape	Active
UCY2E330MPD1TD	Nichicon	33 µF	250 V	±20%	12000 Hrs	0.846" (21.50 mm)	Cut Tape	Active

Engineering Selection Recommendations

Direct Equivalent (Preferred for Replacement): EEU-ED2C330 is the direct equivalent in bulk packaging format. It maintains identical electrical specifications and lifetime rating while offering a compact height of 0.787 inches. This part is active in production and ROHS3 compliant.

Same Voltage, Same Lifetime (Panasonic Series): EEU-EE2C330 provides equivalent performance with 8000-hour lifetime at 160 V. This part is active and suitable for direct substitution where packaging format flexibility exists.

Enhanced Lifetime (Nichicon UCA Series): UCA2C330MPD1TD and UCA2C330MPD offer extended 10000-hour lifetime at 160 V. The UCA2C330MPD1TD variant in Cut Tape format is designated "Not For New Designs," while UCA2C330MPD is obsolete. These parts are suitable only for legacy system maintenance where extended lifetime justifies the status limitation.

Voltage Upgrade Options (Nichicon UCY Series): UCY2D330MPD1TD (200 V, 12000 Hrs) and UCY2E330MPD1TD (250 V, 12000 Hrs) provide enhanced voltage ratings with extended lifetime. These upgrades are active in production and ROHS3 compliant. Selection depends on circuit voltage requirements and thermal stress considerations. Note: UCY2D330MPD1TD and UCY2E330MPD1TD have REACH Affected status.

Lower Lifetime Alternative (Not Recommended for Primary Selection): ECA-2CHG330 provides 2000-hour lifetime at 160 V. This reduced lifetime rating makes it unsuitable for applications requiring the 8000-hour specification of the primary part.

Frequently Asked Questions (FAQ)

Q: Can EEU-ED2C330 replace EEU-ED2C330B directly? A: Yes. EEU-ED2C330 is electrically and mechanically equivalent. The difference is packaging format (Bulk vs. Tape & Box). Both maintain 33 µF, 160 V, ±20% tolerance, and 8000-hour lifetime at 105°C. Height variation (0.787" vs. 0.866") is within acceptable mechanical envelope for most applications.

Q: What is the difference between Panasonic ED-A and EE-A series? A: Both series meet the 33 µF, 160 V, 8000-hour specification. EEU-EE2C330 offers higher ripple current capability (284.6 mA @ 120 Hz vs. 232 mA @ 120 Hz) and superior high-frequency ripple current (810 mA @ 100 kHz vs. 580 mA @ 100 kHz). Series selection depends on ripple current requirements in the application.

Q: Are Nichicon UCA parts suitable for new designs? A: UCA2C330MPD1TD is designated "Not For New Designs" and UCA2C330MPD is obsolete. These parts are restricted to legacy system support and field replacements only. For new designs, select from active-status alternatives.

Q: What is the advantage of UCY2D330MPD1TD or UCY2E330MPD1TD over the primary part? A: Both UCY variants provide 12000-hour lifetime (vs. 8000 hours) and higher voltage ratings (200 V or 250 V vs. 160 V). These upgrades are beneficial for applications with extended operational life requirements or higher circuit voltage margins. Both are active in production.

Q: Can I use a 200 V or 250 V rated capacitor in a 160 V circuit? A: Yes. Higher voltage-rated capacitors are electrically compatible in lower-voltage circuits. The capacitor will operate within safe margins. Physical dimensions remain compatible (0.394" diameter, 5.00 mm lead spacing maintained across all variants).

Q: What does "REACH Affected" status mean for UCY2D330MPD1TD and UCY2E330MPD1TD? A: REACH Affected indicates the part contains substances of concern under EU REACH regulations. Verify compliance requirements for your application and supply chain before selection.

Q: Are packaging format differences (Tape & Box, Bulk, Cut Tape) electrically significant? A: No. Packaging format affects only handling, storage, and procurement logistics. Electrical and mechanical specifications remain identical across all packaging variants of the same part number base.

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