EEV-HD1A331P Equivalent & Substitute Parts

Part Overview

The EEV-HD1A331P is a 330 µF, 10 V aluminum electrolytic capacitor in surface mount radial can package manufactured by Panasonic Electronic Components. This part operates across -40°C to 105°C with a rated lifetime of 5000 hours at 105°C and is classified as obsolete. Due to its obsolete status, equivalent and substitute parts with improved specifications, active production status, and enhanced compliance certifications are available to support ongoing design requirements and procurement continuity.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	10 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount
Polarization	Polar
Size / Dimension	0.394" Dia (10.00mm)
Height - Seated (Max)	0.402" (10.20mm)
Surface Mount Land Size	0.406" L x 0.406" W (10.30mm x 10.30mm)
Moisture Sensitivity Level (MSL)	1 (Unlimited)
RoHS Status	RoHS non-compliant

Substitute Part Grouping Explanation

Substitution of the EEV-HD1A331P is determined by the following criteria:

Direct Electrical Compatibility (Same Voltage Rating - 10 V):

Capacitance: 330 µF (exact match required)
Voltage Rating: 10 V (exact match required)
Tolerance: ±20% (standard match)
Lifetime: 5000 Hrs @ 105°C minimum
Operating Temperature: -40°C ~ 105°C minimum
Package: Radial, Can - SMD with identical footprint (0.394" Dia, 0.406" L x 0.406" W land size)

Upgrade Compatibility (Higher Voltage Ratings - 16 V, 25 V, 35 V, 50 V):

Capacitance: 330 µF (exact match required)
Tolerance: ±20% (standard match)
Lifetime: 5000 Hrs @ 105°C minimum
Operating Temperature: -40°C ~ 105°C minimum or broader
Package: Radial, Can - SMD with compatible footprint
Higher voltage ratings provide design margin and improved reliability in applications where the original 10 V specification is not a hard constraint

Manufacturer Diversity:

Panasonic Electronic Components (EEE and EEV series)
Würth Elektronik (WCAP-AS5H series)
Nichicon (UUL series)
Rubycon (TRV and TLV series)

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Operating Temp	Size / Dimension	Height (Max)	Product Status	RoHS Status
EEV-HD1A331P	Panasonic	330 µF	10 V	±20%	5000 Hrs	-40°C ~ 105°C	0.394" Dia (10.00mm)	0.402" (10.20mm)	Obsolete	RoHS non-compliant
EEE-HD1A331AP	Panasonic	330 µF	10 V	±20%	5000 Hrs	-40°C ~ 105°C	0.315" Dia (8.00mm)	0.402" (10.20mm)	Active	ROHS3 Compliant
865230257006	Würth Elektronik	330 µF	10 V	±20%	5000 Hrs	-40°C ~ 105°C	0.394" Dia (10.00mm)	0.413" (10.50mm)	Active	ROHS3 Compliant
UUL1A331MNL1GS	Nichicon	330 µF	10 V	±20%	5000 Hrs	-40°C ~ 105°C	0.394" Dia (10.00mm)	0.413" (10.50mm)	Active	ROHS3 Compliant
865230357007	Würth Elektronik	330 µF	16 V	±20%	5000 Hrs	-40°C ~ 105°C	0.394" Dia (10.00mm)	0.413" (10.50mm)	Active	ROHS3 Compliant
25TRV330M10X10.5	Rubycon	330 µF	25 V	±20%	8000 Hrs	-40°C ~ 105°C	0.394" Dia (10.00mm)	0.413" (10.50mm)	Active	ROHS3 Compliant
EEE-HC1E331P	Panasonic	330 µF	25 V	±20%	5000 Hrs	-40°C ~ 105°C	0.394" Dia (10.00mm)	0.402" (10.20mm)	Active	ROHS3 Compliant
EEE-HD1E331AP	Panasonic	330 µF	25 V	±20%	5000 Hrs	-40°C ~ 105°C	0.394" Dia (10.00mm)	0.402" (10.20mm)	Active	ROHS3 Compliant
35TLV330M10X10.5	Rubycon	330 µF	35 V	±20%	5000 Hrs	-55°C ~ 105°C	0.394" Dia (10.00mm)	0.413" (10.50mm)	Active	ROHS3 Compliant
EEE-FK1V331GP	Panasonic	330 µF	35 V	±20%	5000 Hrs	-55°C ~ 105°C	0.394" Dia (10.00mm)	0.413" (10.50mm)	Active	ROHS3 Compliant
EEE-FT1H331GP	Panasonic	330 µF	50 V	±20%	5000 Hrs	-55°C ~ 105°C	0.394" Dia (10.00mm)	0.413" (10.50mm)	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (10 V Rating):

EEE-HD1A331AP (Panasonic) is the primary active equivalent. It maintains the 10 V voltage rating, 330 µF capacitance, and identical operating temperature range. This part is ROHS3 compliant and carries AEC-Q200 automotive qualification. Note that the case diameter differs (0.315" vs 0.394"), requiring PCB footprint verification before selection.

865230257006 (Würth Elektronik WCAP-AS5H series) and UUL1A331MNL1GS (Nichicon UUL series) provide alternative 10 V direct replacements with identical 0.394" diameter and compatible land sizes. Both are ROHS3 compliant and active production parts.

For Voltage Upgrade Applications:

When circuit design permits higher voltage ratings, upgrade options provide improved reliability margins and extended component availability:

16 V: 865230357007 (Würth Elektronik) maintains the 10.00mm diameter and offers active production status with ROHS3 compliance.
25 V: EEE-HC1E331P, EEE-HD1E331AP (Panasonic), and 25TRV330M10X10.5 (Rubycon) are available. The Rubycon part offers extended 8000-hour lifetime at 105°C.
35 V: 35TLV330M10X10.5 (Rubycon) and EEE-FK1V331GP (Panasonic) extend operating temperature to -55°C and carry AEC-Q200 automotive ratings.
50 V: EEE-FT1H331GP (Panasonic) provides maximum voltage margin with -55°C to 105°C operating range and AEC-Q200 qualification.

All upgrade options are ROHS3 compliant and in active production, eliminating obsolescence risk.

Frequently Asked Questions (FAQ)

Q: Can EEE-HD1A331AP be used as a direct replacement for EEV-HD1A331P?

A: EEE-HD1A331AP matches the electrical specifications (330 µF, 10 V, ±20%, 5000 Hrs @ 105°C) and operating temperature range. However, the case diameter differs (0.315" vs 0.394"), requiring PCB footprint redesign. Verify land pattern compatibility before implementation.

Q: What is the difference between direct replacements and upgrade substitutes?

A: Direct replacements maintain the 10 V voltage rating. Upgrade substitutes use higher voltage ratings (16 V, 25 V, 35 V, 50 V) while preserving the 330 µF capacitance and ±20% tolerance. Higher voltage ratings provide design margin and are suitable when circuit voltage specifications permit.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All active production substitute parts listed are ROHS3 compliant. The original EEV-HD1A331P is RoHS non-compliant, making compliance upgrade a key benefit of substitution.

Q: Which substitute parts carry AEC-Q200 automotive qualification?

A: EEE-HD1A331AP, EEE-HC1E331P, EEE-HD1E331AP, 35TLV330M10X10.5, EEE-FK1V331GP, and EEE-FT1H331GP carry AEC-Q200 ratings, suitable for automotive applications.

Q: What is the impact of different case diameters on PCB design?

A: EEE-HD1A331AP uses 0.315" diameter (8.00mm) with 0.327" L x 0.327" W land size, differing from the original 0.394" diameter (10.00mm) with 0.406" L x 0.406" W land size. Other substitutes maintain the 0.394" diameter. PCB layout must accommodate the selected part's footprint.

Q: Can I use a 25 V or 35 V part in a 10 V circuit?

A: Yes. Higher voltage-rated capacitors are electrically compatible in lower voltage circuits. The capacitor will operate safely at voltages below its rating. This approach provides design margin and improved reliability.

Q: What is the difference between Tape & Reel and Cut Tape packaging?

A: Tape & Reel (TR) packaging is standard for high-volume production. Cut Tape (CT) is used for lower-volume or mixed-component orders. Both provide identical component specifications; packaging choice depends on procurement volume and assembly equipment compatibility.

Q: Why does the Rubycon 25TRV330M10X10.5 have 8000-hour lifetime instead of 5000 hours?

A: The 25TRV330M10X10.5 is rated for 8000 hours at 105°C, exceeding the 5000-hour specification of the original part. This extended lifetime provides improved long-term reliability in applications requiring extended operational life.

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