EET-HC2W331EA Equivalent & Substitute Parts

Part Overview

The Panasonic EET-HC2W331EA is a 330 µF, 450 V aluminum electrolytic capacitor in radial, can snap-in package format, rated for general-purpose applications. This component features a 2000-hour lifetime at 105°C and operates across the temperature range of -25°C to 105°C. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	450 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Lead Spacing	0.394" (10.00 mm)
Diameter	1.378" (35.00 mm)
Mounting Type	Through Hole
Operating Temperature	-25°C to 105°C
Polarization	Polar
Application	General Purpose

Substitute Part Grouping Explanation

Substitution for the EET-HC2W331EA is determined by strict equivalence across the following parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 450 V (exact match required)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Diameter: 1.378" (35.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Operating Temperature Range: -25°C to 105°C (minimum requirement)
Polarization: Polar (exact match required)

All substitute parts listed meet these core electrical and mechanical parameters. Variations in height, ESR, ripple current ratings, and lifetime at temperature are secondary characteristics that do not prevent functional substitution but may affect performance in specific applications.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Height (Max)	Lifetime @ 105°C	Product Status	RoHS Status
EET-HC2W331EA	Panasonic	330 µF	450 V	±20%	1.457" (37.00 mm)	2000 Hrs	Obsolete	Not specified
450HXG330MEFC35X35	Rubycon	330 µF	450 V	±20%	1.457" (37.00 mm)	3000 Hrs	Active	ROHS3 Compliant
450MXH330MEFCSN35X30	Rubycon	330 µF	450 V	±20%	1.260" (32.00 mm)	2000 Hrs	Active	ROHS3 Compliant
450MXK330MEFC35X25	Rubycon	330 µF	450 V	±20%	1.063" (27.00 mm)	3000 Hrs	Active	ROHS3 Compliant
450VXG330MEFC35X35	Rubycon	330 µF	450 V	±20%	1.457" (37.00 mm)	5000 Hrs	Active	RoHS non-compliant
450VXG330MEFCSN35X35	Rubycon	330 µF	450 V	±20%	1.457" (37.00 mm)	5000 Hrs	Active	ROHS3 Compliant
450VXH330MEFC35X30	Rubycon	330 µF	450 V	±20%	1.260" (32.00 mm)	5000 Hrs	Active	ROHS3 Compliant
450VXH330MEFCSN35X30	Rubycon	330 µF	450 V	±20%	1.260" (32.00 mm)	5000 Hrs	Active	ROHS3 Compliant
450VXK330MEFCSN35X30	Rubycon	330 µF	450 V	±20%	1.260" (32.00 mm)	5000 Hrs	Active	ROHS3 Compliant
B43508C5337M062	EPCOS - TDK Electronics	330 µF	450 V	±20%	1.457" (37.00 mm)	3000 Hrs	Active	ROHS3 Compliant
B43508C5337M2	EPCOS - TDK Electronics	330 µF	450 V	±20%	1.457" (37.00 mm)	3000 Hrs	Active	ROHS3 Compliant

Engineering Selection Recommendations

Active Product Status: All listed substitute parts carry active product status, ensuring ongoing availability and manufacturing support. The original EET-HC2W331EA is obsolete and should be replaced with an active equivalent.

RoHS Compliance: For applications requiring RoHS3 compliance, select from the following active parts: 450HXG330MEFC35X35, 450MXH330MEFCSN35X30, 450MXK330MEFC35X25, 450VXG330MEFCSN35X35, 450VXH330MEFC35X30, 450VXH330MEFCSN35X30, 450VXK330MEFCSN35X30, B43508C5337M062, or B43508C5337M2. The part 450VXG330MEFC35X35 is RoHS non-compliant and should be avoided in regulated applications.

Height Considerations: The original part specifies a maximum seated height of 1.457" (37.00 mm). Substitute parts with reduced heights (1.260" or 1.063") are mechanically compatible with the same lead spacing and diameter but occupy less vertical space. Verify PCB layout clearance before selecting reduced-height alternatives.

Lifetime and Temperature Performance: Parts with extended lifetime ratings (5000 hours at 105°C) provide enhanced reliability margins compared to the original 2000-hour specification. These include the Rubycon VXG, VXH, and VXK series and are suitable for applications requiring extended operational life.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different height? A: Yes. All substitute parts maintain the same lead spacing (0.394" / 10.00 mm) and diameter (1.378" / 35.00 mm). Height variations do not affect electrical compatibility. Verify that your PCB layout accommodates the specific height of the selected substitute.

Q: What is the difference between parts with and without "SN" in the part number? A: The "SN" designation indicates a specific manufacturing variant or packaging specification. Both variants meet the same electrical and mechanical parameters. Selection depends on procurement availability and supplier specifications.

Q: Are all substitute parts pin-compatible with the original EET-HC2W331EA? A: Yes. All substitute parts use identical lead spacing (0.394" / 10.00 mm) and radial, snap-in package configuration, ensuring direct PCB compatibility.

Q: Which substitute offers the best reliability? A: Parts with 5000-hour lifetime ratings at 105°C (Rubycon VXG, VXH, VXK series) provide extended operational life compared to the original 2000-hour specification. Selection should align with application requirements and expected service life.

Q: Is RoHS compliance required for my application? A: If RoHS3 compliance is mandatory, avoid 450VXG330MEFC35X35. All other listed substitutes are ROHS3 compliant. Verify regulatory requirements for your specific application and region.

Q: Can I mix different substitute parts in the same design? A: Yes. All substitute parts meet identical electrical specifications (330 µF, 450 V, ±20% tolerance) and are mechanically compatible. However, maintaining consistent part selection across production batches is recommended for supply chain consistency.

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