EET-HC2W331KF Equivalent & Substitute Parts

Part Overview

The Panasonic EET-HC2W331KF is a 330 µF, 450 V aluminum electrolytic capacitor in radial, can snap-in package format, designed for general-purpose applications. This component operates across a temperature range of -25°C to 105°C with a rated lifetime of 2000 hours at 105°C. The product is currently obsolete, making equivalent substitute parts necessary for ongoing system maintenance, repairs, and new designs requiring compatible electrical and mechanical characteristics.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	450 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00 mm)
Diameter	1.181" (30.00 mm)
Operating Temperature Range	-25°C to 105°C
Polarization	Polar
Application	General Purpose

Substitute Part Grouping Explanation

Substitution of the EET-HC2W331KF is determined by strict adherence to the following electrical and mechanical parameters:

Critical Parameters (Must Match):

Capacitance: 330 µF
Voltage Rating: 450 V
Tolerance: ±20%
Polarization: Polar
Package Type: Radial, Can - Snap-In
Mounting Type: Through Hole
Lead Spacing: 0.394" (10.00 mm)
Diameter: 1.181" (30.00 mm)
Operating Temperature Range: -25°C to 105°C minimum

Flexible Parameters (May Vary):

Height (seated): Substitute parts may have different heights provided they fit the mechanical envelope
Lifetime @ 105°C: Substitute parts may exceed the original 2000 hours specification
ESR and Ripple Current: Substitute parts may have different electrical characteristics
Manufacturer: Different manufacturers acceptable if electrical and mechanical parameters align

All substitute parts listed maintain identical capacitance, voltage rating, tolerance, package configuration, and lead spacing as the original component.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Height (Max)	Lifetime @ 105°C	Product Status	RoHS Status
EET-HC2W331KF	Panasonic	330 µF	450 V	±20%	1.654" (42.00 mm)	2000 Hrs	Obsolete	Not Specified
450MXG330MEFCSN30X40	Rubycon	330 µF	450 V	±20%	1.654" (42.00 mm)	3000 Hrs	Active	ROHS3 Compliant
450MXH330MEFC30X35	Rubycon	330 µF	450 V	±20%	1.457" (37.00 mm)	2000 Hrs	Active	ROHS3 Compliant
450MXH330MEFCSN30X35	Rubycon	330 µF	450 V	±20%	1.457" (37.00 mm)	2000 Hrs	Active	ROHS3 Compliant
450MXK330MEFC30X30	Rubycon	330 µF	450 V	±20%	1.260" (32.00 mm)	3000 Hrs	Active	ROHS3 Compliant
450MXK330MEFCFA30X30	Rubycon	330 µF	450 V	±20%	1.260" (32.00 mm)	3000 Hrs	Active	ROHS3 Compliant
450VXH330MEFC30X40	Rubycon	330 µF	450 V	±20%	1.654" (42.00 mm)	5000 Hrs	Active	ROHS3 Compliant
450VXH330MEFCSN30X40	Rubycon	330 µF	450 V	±20%	1.654" (42.00 mm)	5000 Hrs	Active	ROHS3 Compliant
B43508B5337M000	EPCOS - TDK Electronics	330 µF	450 V	±20%	1.654" (42.00 mm)	3000 Hrs	Active	ROHS3 Compliant
B43508B5337M002	EPCOS - TDK Electronics	330 µF	450 V	±20%	1.654" (42.00 mm)	3000 Hrs	Active	ROHS3 Compliant
B43508B5337M062	EPCOS - TDK Electronics	330 µF	450 V	±20%	1.654" (42.00 mm)	3000 Hrs	Active	ROHS3 Compliant

Engineering Selection Recommendations

All listed substitute parts are active products with ROHS3 compliance, providing regulatory advantage over the obsolete EET-HC2W331KF. Selection among substitutes depends on mechanical space constraints and operational lifetime requirements:

For Direct Replacement (Same Height): 450MXG330MEFCSN30X40, 450VXH330MEFC30X40, 450VXH330MEFCSN30X40, B43508B5337M000, B43508B5337M002, and B43508B5337M062 maintain the original 1.654" (42.00 mm) height, enabling direct installation in existing PCB layouts without modification.

For Space-Constrained Applications: 450MXK330MEFC30X30 and 450MXK330MEFCFA30X30 offer the most compact height at 1.260" (32.00 mm), suitable for designs requiring reduced vertical profile.

For Extended Lifetime: 450VXH330MEFC30X40 and 450VXH330MEFCSN30X40 provide 5000 hours at 105°C, exceeding the original 2000-hour specification for applications requiring enhanced reliability.

For Matched Lifetime: 450MXH330MEFC30X35 and 450MXH330MEFCSN30X35 maintain the original 2000-hour lifetime specification while offering reduced height at 1.457" (37.00 mm).

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a different height? A: Yes. All substitute parts maintain the same diameter (1.181" / 30.00 mm) and lead spacing (0.394" / 10.00 mm). Height variation does not affect electrical compatibility. Verify mechanical clearance in your specific application before selection.

Q: What is the significance of the lifetime rating difference? A: Lifetime rating indicates hours of operation at 105°C before capacitance degradation reaches specified limits. Substitute parts with extended lifetime (3000 or 5000 hours) provide longer operational margin but are not required for direct replacement if the original 2000-hour specification is adequate for your application.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts carry ROHS3 compliance certification, meeting current environmental and regulatory requirements. The original EET-HC2W331KF does not specify RoHS status.

Q: Does ESR (Equivalent Series Resistance) affect substitution compatibility? A: ESR is not a substitution criterion for this component category. The original part specifies 553 mOhm @ 120 Hz. Substitute parts may have different ESR values. If ESR is critical to your circuit design, consult the specific application requirements before selection.

Q: Can I substitute parts from different manufacturers? A: Yes. Rubycon and EPCOS - TDK Electronics substitute parts are electrically and mechanically equivalent to the Panasonic original. All maintain identical capacitance, voltage rating, tolerance, package type, and lead spacing.

Q: What does "Snap-In" package mean? A: Snap-In refers to the mechanical mounting method where the capacitor leads insert into PCB holes and the can body snaps into place against the board surface. All listed parts use this same mounting configuration.

Q: Is the lead spacing critical for PCB compatibility? A: Yes. All substitute parts maintain 0.394" (10.00 mm) lead spacing, matching the original EET-HC2W331KF. This ensures direct PCB hole compatibility without layout modification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message