Panasonic EEU-TA1C332 Equivalent & Substitute Parts

Part Overview

The Panasonic EEU-TA1C332 is a 3300 µF, 16 V aluminum electrolytic capacitor in radial, can package configuration. This component is rated for 2000 hours at 125°C and is designed for general-purpose applications. The part is currently active in production with 1017 units in stock. Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances for this capacitor category.

Key Parameters

Parameter	Value
Capacitance	3300 µF
Voltage Rating	16 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.295" (7.50 mm)
Case Diameter	0.630" (16.00 mm)
Height	1.319" (34.60 mm)
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitute parts for the EEU-TA1C332 are qualified based on the following criteria:

Primary Electrical Parameters:

Capacitance value: 3300 µF (exact match required)
Tolerance: ±20% (matching specification)
Voltage rating: Equal to or greater than 16 V (higher voltage ratings provide backward compatibility)

Mechanical Parameters:

Package type: Radial, can configuration
Lead spacing: 0.295" (7.50 mm)
Case diameter: 0.630" (16.00 mm)
Height: 1.319" (34.60 mm)
Mounting type: Through hole

Compliance Parameters:

RoHS3 compliance required
REACH status compatibility

Two substitute parts meet these criteria: the Panasonic EEU-TP1E332 (higher voltage rating, extended lifetime) and the Nichicon UBW1C332MHD (equivalent voltage rating, extended lifetime).

Parameter Comparison

Parameter	EEU-TA1C332 (Main)	EEU-TP1E332 (Panasonic)	UBW1C332MHD (Nichicon)
Manufacturer	Panasonic	Panasonic	Nichicon
Capacitance	3300 µF	3300 µF	3300 µF
Voltage Rating	16 V	25 V	16 V
Tolerance	±20%	±20%	±20%
Lifetime @ Temp.	2000 Hrs @ 125°C	5000 Hrs @ 125°C	3000 Hrs @ 135°C
Operating Temperature	-40°C ~ 125°C	-40°C ~ 135°C	-55°C ~ 135°C
Lead Spacing	0.295" (7.50 mm)	0.295" (7.50 mm)	0.295" (7.50 mm)
Case Diameter	0.630" (16.00 mm)	0.630" (16.00 mm)	0.630" (16.00 mm)
Height	1.319" (34.60 mm)	1.319" (34.60 mm)	1.319" (34.60 mm)
Ripple Current @ 120 Hz	2.168 A	2.6 A	1.816 A
Ripple Current @ 100 kHz	2.71 A	2.71 A	2.71 A
Impedance	20 mOhms	Not specified	20 mOhms
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can

Engineering Selection Recommendations

EEU-TP1E332 (Panasonic Upgrade): This substitute provides a 25 V voltage rating, which exceeds the 16 V requirement of the main part. The extended lifetime specification of 5000 hours at 125°C, compared to 2000 hours for the EEU-TA1C332, offers improved reliability margins. The operating temperature range extends to 135°C. This part carries AEC-Q200 automotive qualification and ROHS3 compliance. Mechanical footprint is identical. This substitute is suitable for applications requiring enhanced thermal performance or extended service life.

UBW1C332MHD (Nichicon Equivalent): This substitute maintains the 16 V voltage rating of the main part and provides a 3000-hour lifetime at 135°C, representing a 50% improvement over the EEU-TA1C332. The operating temperature range extends to -55°C, providing broader environmental compatibility. Mechanical footprint is identical. ROHS3 compliance is confirmed. REACH status is affected for this part. This substitute is suitable for applications requiring extended temperature operating range or improved thermal endurance at the same voltage specification.

Frequently Asked Questions (FAQ)

Q: Can the EEU-TP1E332 be used as a direct replacement for the EEU-TA1C332?

A: Yes. The EEU-TP1E332 is mechanically and electrically compatible. The higher 25 V rating provides backward compatibility with 16 V circuit requirements. Capacitance, tolerance, package dimensions, and lead spacing are identical.

Q: What is the primary difference between the two substitute parts?

A: The EEU-TP1E332 offers higher voltage rating (25 V vs. 16 V) and extended lifetime (5000 hours vs. 3000 hours at temperature). The UBW1C332MHD maintains the 16 V voltage rating but extends the operating temperature range to -55°C and provides 3000-hour lifetime at 135°C.

Q: Are all three parts mechanically interchangeable?

A: Yes. All three parts share identical lead spacing (0.295" / 7.50 mm), case diameter (0.630" / 16.00 mm), and height (1.319" / 34.60 mm). Through-hole mounting configuration is identical across all parts.

Q: What compliance certifications apply to these parts?

A: All three parts are ROHS3 compliant. The EEU-TP1E332 carries AEC-Q200 automotive qualification. The UBW1C332MHD has REACH status affected, while the EEU-TA1C332 and EEU-TP1E332 are REACH unaffected.

Q: Which substitute should be selected for automotive applications?

A: The EEU-TP1E332 is qualified to AEC-Q200 automotive standards. The UBW1C332MHD is also specified for automotive applications. Selection depends on voltage and temperature requirements of the specific application.

Q: Can capacitance or tolerance values differ between the main part and substitutes?

A: No. All parts in this substitution group maintain 3300 µF capacitance and ±20% tolerance. These parameters are fixed requirements for substitution eligibility.

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