EET-HC2W331DA Equivalent & Substitute Parts

Part Overview

The EET-HC2W331DA is a 330 µF, 450 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Panasonic Electronic Components. This component is classified as obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The part operates across a temperature range of -25°C to 105°C and is rated for 2000 hours at 105°C, suitable for general-purpose power supply and filtering applications in industrial equipment.

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	1.181" (30.00 mm)
Height	1.850" (47.00 mm)
Mounting Type	Through Hole
Operating Temperature	-25°C to 105°C
Lifetime @ 105°C	2000 Hours
Polarization	Polar

Substitute Part Grouping Explanation

Substitution eligibility for the EET-HC2W331DA is determined by strict adherence to the following parameters:

Critical Parameters (Must Match Exactly):

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

Compatible Variation Parameters:

Height: Substitute parts may vary within physical envelope constraints (32.00 mm to 47.00 mm)
Lifetime @ 105°C: Substitute parts rated for 2000 hours or greater are acceptable
Operating Temperature: Must maintain -25°C to 105°C range minimum
Ripple Current: Substitute parts must meet or exceed the original specification

All substitute parts listed below meet these criteria and are sourced from active manufacturers with current production status and RoHS3 compliance.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Height (mm)	Lifetime @ 105°C	Status	RoHS3
EET-HC2W331DA	Panasonic	TS-HC	330 µF	450 V	±20%	47.00	2000 Hrs	Obsolete	N/A
450HXG330MEFC30X45	Rubycon	HXG	330 µF	450 V	±20%	47.00	3000 Hrs	Active	Yes
450MXG330MEFCSN30X40	Rubycon	MXG	330 µF	450 V	±20%	42.00	3000 Hrs	Active	Yes
450MXH330MEFC30X35	Rubycon	MXH	330 µF	450 V	±20%	37.00	2000 Hrs	Active	Yes
450MXH330MEFCSN30X35	Rubycon	MXH	330 µF	450 V	±20%	37.00	2000 Hrs	Active	Yes
450MXK330MEFC30X30	Rubycon	MXK	330 µF	450 V	±20%	32.00	3000 Hrs	Active	Yes
450MXK330MEFCFA30X30	Rubycon	MXK	330 µF	450 V	±20%	32.00	3000 Hrs	Active	Yes
450VXG330MEFCSN30X45	Rubycon	VXG	330 µF	450 V	±20%	47.00	5000 Hrs	Active	Yes
450VXH330MEFC30X40	Rubycon	VXH	330 µF	450 V	±20%	42.00	5000 Hrs	Active	Yes
450VXH330MEFCSN30X40	Rubycon	VXH	330 µF	450 V	±20%	42.00	5000 Hrs	Active	Yes
EKMR451VSN331MR35S	Chemi-Con	KMR	330 µF	450 V	±20%	37.50	2000 Hrs	Active	Yes

Engineering Selection Recommendations

All listed substitute parts maintain electrical equivalence to the EET-HC2W331DA through identical capacitance, voltage rating, tolerance, and package configuration. Selection among substitutes depends on application-specific requirements:

For Direct Height Match (47.00 mm): The 450HXG330MEFC30X45 and 450VXG330MEFCSN30X45 provide identical physical dimensions. The 450VXG330MEFCSN30X45 offers extended lifetime (5000 hours at 105°C) compared to the original 2000-hour specification.

For Compact Form Factor: The 450MXK330MEFC30X30 and 450MXK330MEFCFA30X30 reduce height to 32.00 mm while maintaining 3000-hour lifetime rating, suitable for space-constrained applications.

For Extended Reliability: The 450VXH330MEFC30X40 and 450VXH330MEFCSN30X40 provide 5000-hour lifetime at 105°C with 42.00 mm height, appropriate for critical applications requiring enhanced longevity.

For Equivalent Lifetime Match: The 450MXH330MEFC30X35 and 450MXH330MEFCSN30X35 maintain the original 2000-hour specification with reduced height (37.00 mm).

All substitute parts are manufactured by active suppliers (Rubycon, Chemi-Con) with RoHS3 compliance and current production status, ensuring long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with different height dimensions? A: Yes. All substitute parts maintain the critical parameters of 330 µF capacitance, 450 V rating, 10.00 mm lead spacing, and 30.00 mm diameter. Height variation from 32.00 mm to 47.00 mm is acceptable provided the physical envelope of your application accommodates the selected part. Verify mounting clearance before implementation.

Q: What is the difference between parts with identical electrical specifications but different series designations? A: Series designations (HXG, MXG, MXH, MXK, VXG, VXH, KMR) indicate different internal construction and performance characteristics from various manufacturers. All listed parts meet the substitution criteria. Selection should be based on height requirements, lifetime rating, and supplier availability for your application.

Q: Are all substitute parts RoHS3 compliant? A: Yes. All active substitute parts listed are RoHS3 compliant. The original EET-HC2W331DA is obsolete and does not carry RoHS3 certification. Substitution with RoHS3-compliant parts ensures compliance with current environmental regulations.

Q: Can I substitute a part with higher lifetime rating (5000 hours vs. 2000 hours)? A: Yes. Parts with extended lifetime ratings (5000 hours at 105°C) are direct substitutes for the original 2000-hour specification. Higher lifetime ratings provide enhanced reliability margin without affecting electrical performance or physical compatibility.

Q: What is the significance of the "SN" designation in part numbers like 450MXG330MEFCSN30X40? A: The "SN" designation indicates snap-in terminal configuration, matching the original EET-HC2W331DA snap-in package type. All listed substitutes maintain this mechanical interface for direct board-level compatibility.

Q: How do I verify ripple current compatibility? A: The original EET-HC2W331DA is rated for 1.38 A at 120 Hz and 1.93 A at 10 kHz. All substitute parts meet or exceed these ripple current specifications. Verify your application's ripple current requirement and select a substitute with equal or higher rating.

Q: Are there inventory considerations for substitute selection? A: Substitute parts from Rubycon (HXG, MXG, MXH, MXK, VXG, VXH series) show high inventory levels (100,000+ units), ensuring supply availability. The Chemi-Con EKMR451VSN331MR35S shows lower inventory (910 units). For high-volume applications, prioritize Rubycon substitutes for supply chain stability.

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