EEU-TA1V331 Equivalent & Substitute Parts

Part Overview

The EEU-TA1V331 is a 330 µF, 35 V aluminum electrolytic capacitor in radial configuration manufactured by Panasonic Electronic Components. This capacitor is rated for 2000 hours at 125°C and is designed for general-purpose applications. The part is currently active in production. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are required due to inventory constraints, application-specific performance needs, or design optimization for extended operational life or temperature range requirements.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	35 V
Tolerance	±20%
Polarization	Polar
Package Type	Radial, Can
Lead Spacing	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the EEU-TA1V331 is determined by the following criteria:

Capacitance value: 330 µF (exact match required)
Voltage rating: 35 V (exact match required)
Tolerance: ±20% (exact match required)
Package configuration: Radial, Can with 0.197" (5.00 mm) lead spacing
Case diameter: 0.394" (10.00 mm)
Mounting type: Through Hole
Polarization: Polar

All identified substitute parts meet these core electrical and mechanical parameters, ensuring direct board-level compatibility. Variations in lifetime ratings, operating temperature ranges, ripple current specifications, and impedance values represent performance enhancements or application-specific optimizations rather than compatibility constraints.

Parameter Comparison

Parameter	EEU-TA1V331	EEU-TP1V331	EGXL350ELL331MJ20S	UBW1V331MPD
Manufacturer	Panasonic	Panasonic	Chemi-Con	Nichicon
Series	TA	TP-A	GXL	UBW
Capacitance	330 µF	330 µF	330 µF	330 µF
Voltage Rating	35 V	35 V	35 V	35 V
Tolerance	±20%	±20%	±20%	±20%
Lifetime @ Temp.	2000 Hrs @ 125°C	3000 Hrs @ 125°C	5000 Hrs @ 125°C	2000 Hrs @ 135°C
Operating Temperature	-40°C ~ 125°C	-40°C ~ 135°C	-40°C ~ 125°C	-55°C ~ 135°C
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)	0.394" (10.00 mm)
Height - Seated (Max)	0.866" (22.00 mm)	0.866" (22.00 mm)	0.846" (21.50 mm)	0.866" (22.00 mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Active

Engineering Selection Recommendations

All substitute parts are active products with ROHS3 compliance, ensuring regulatory alignment with the original EEU-TA1V331.

EEU-TP1V331 (Panasonic TP-A series): This upgrade option extends the operating temperature range to 135°C and increases lifetime to 3000 hours at 125°C. It carries AEC-Q200 automotive qualification, making it suitable for applications requiring enhanced thermal performance and automotive-grade reliability.

EGXL350ELL331MJ20S (Chemi-Con GXL series): This option provides the highest lifetime rating at 5000 hours at 125°C with AEC-Q200 automotive qualification. The case height is marginally reduced to 0.846" (21.50 mm), which may provide space optimization benefits. This part is suitable for long-life automotive applications.

UBW1V331MPD (Nichicon UBW series): This option extends the operating temperature range to 135°C with a lower temperature limit of -55°C, providing the widest thermal operating window. It is rated for 2000 hours at 135°C. This part is suitable for extreme temperature environments. REACH status indicates this part is affected by REACH regulations.

Frequently Asked Questions (FAQ)

Q: Can EEU-TA1V331 be directly replaced with any of these substitute parts on the PCB?

A: Yes. All substitute parts share identical capacitance (330 µF), voltage rating (35 V), tolerance (±20%), lead spacing (5.00 mm), case diameter (10.00 mm), and mounting type (Through Hole). Physical and electrical compatibility is confirmed for direct board-level substitution.

Q: What is the difference between these substitute parts?

A: The substitute parts differ in manufacturer, series designation, lifetime ratings, operating temperature ranges, and automotive qualifications. EEU-TP1V331 and EGXL350ELL331MJ20S carry AEC-Q200 certification for automotive applications. EGXL350ELL331MJ20S offers the longest lifetime (5000 hours at 125°C). UBW1V331MPD provides the widest operating temperature range (-55°C to 135°C).

Q: Does case height variation affect compatibility?

A: EGXL350ELL331MJ20S has a maximum seated height of 0.846" (21.50 mm), compared to 0.866" (22.00 mm) for the other parts. This 0.020" (0.50 mm) reduction may provide clearance benefits in space-constrained designs but does not prevent substitution.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts are ROHS3 compliant. UBW1V331MPD is affected by REACH regulations, while other parts are REACH unaffected.

Q: Which substitute part should be selected for automotive applications?

A: EEU-TP1V331 and EGXL350ELL331MJ20S both carry AEC-Q200 automotive qualification. EGXL350ELL331MJ20S is recommended for extended-life automotive applications due to its 5000-hour lifetime rating at 125°C.

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