Panasonic EEE-HA1E331UP Equivalent & Substitute Parts

Part Overview

The Panasonic EEE-HA1E331UP is a 330 µF, 25 V aluminum electrolytic capacitor in surface mount radial can package, rated for automotive applications with AEC-Q200 compliance. This part operates across -40°C to 105°C with a rated lifetime of 1000 hours at 105°C. The product status is Not For New Designs, making identification of active equivalent and substitute parts essential for ongoing production and design updates.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	25 V
Tolerance	±20%
Lifetime @ 105°C	1000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Package / Case	Radial, Can - SMD
Size / Dimension	0.315" Dia (8.00mm)
Height - Seated (Max)	0.402" (10.20mm)
Surface Mount Land Size	0.327" L x 0.327" W (8.30mm x 8.30mm)
Mounting Type	Surface Mount
Polarization	Polar
Ratings	AEC-Q200
Applications	Automotive
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the EEE-HA1E331UP is determined by the following critical parameters:

Electrical Parameters: Capacitance (330 µF), voltage rating (25 V or higher), and tolerance (±20%) must remain constant or improve. Lifetime at 105°C may be extended without affecting compatibility.

Mechanical Parameters: Package type (Radial, Can - SMD), mounting type (Surface Mount), and land size (0.327" L x 0.327" W / 8.30mm x 8.30mm) must match for PCB compatibility. Physical dimensions including diameter (0.315" / 8.00mm) and height must not exceed the original specifications to ensure fit within existing designs.

Compliance Parameters: AEC-Q200 automotive rating and RoHS compliance must be maintained. Operating temperature range may be extended from -40°C ~ 105°C to -55°C ~ 105°C without affecting compatibility.

Product Status: Active parts are preferred over Not For New Designs status for long-term supply assurance.

Substitute parts are grouped into three categories: Direct Manufacturer Equivalents (matching all parameters), Manufacturer Recommended upgrades (improved lifetime or performance), and Similar parts (different package dimensions requiring PCB layout verification).

Parameter Comparison

Part Number	Series	Capacitance	Voltage	Lifetime @ 105°C	Operating Temp Range	Size / Dimension	Height (Max)	Product Status	ESR @ 100kHz	Ripple Current @ 100kHz
EEE-HA1E331UP	HA	330 µF	25 V	1000 Hrs	-40°C ~ 105°C	0.315" (8.00mm)	0.402" (10.20mm)	Not For New Designs	—	306 mA @ 10 kHz
EEE-FP1E331AP	FP	330 µF	25 V	2000 Hrs	-55°C ~ 105°C	0.315" (8.00mm)	0.402" (10.20mm)	Active	80 mOhm	850 mA @ 100 kHz
EEE-FN1E331P	FN	330 µF	25 V	2000 Hrs	-55°C ~ 105°C	0.315" (8.00mm)	0.413" (10.50mm)	Active	160 mOhm	600 mA @ 100 kHz
EEE-FK1E331AP	FK	330 µF	25 V	2000 Hrs	-55°C ~ 105°C	0.315" (8.00mm)	0.413" (10.50mm)	Active	160 mOhm	600 mA @ 100 kHz
EEE-FK1E331GP	FK	330 µF	25 V	5000 Hrs	-55°C ~ 105°C	0.315" (8.00mm)	0.413" (10.50mm)	Active	160 mOhm	600 mA @ 100 kHz
EEE-FK1E331P	FK	330 µF	25 V	2000 Hrs	-55°C ~ 105°C	0.315" (8.00mm)	0.413" (10.50mm)	Active	160 mOhm	600 mA @ 100 kHz
EEE-FT1V331AP	FT	330 µF	35 V	2000 Hrs	-55°C ~ 105°C	0.315" (8.00mm)	0.413" (10.50mm)	Active	80 mOhm	850 mA @ 100 kHz
EEE-FT1V331GP	FT	330 µF	35 V	5000 Hrs	-55°C ~ 105°C	0.315" (8.00mm)	0.413" (10.50mm)	Active	80 mOhm	850 mA @ 100 kHz
EEE-FC1E331AP	FC	330 µF	25 V	1000 Hrs	-40°C ~ 105°C	0.394" (10.00mm)	0.402" (10.20mm)	Not For New Designs	150 mOhm	670 mA @ 100 kHz
EEE-FC1E331P	FC	330 µF	25 V	1000 Hrs	-40°C ~ 105°C	0.394" (10.00mm)	0.402" (10.20mm)	Not For New Designs	150 mOhm	670 mA @ 100 kHz
EEE-HA1E331AP	HA	330 µF	25 V	1000 Hrs	-40°C ~ 105°C	0.394" (10.00mm)	0.402" (10.20mm)	Not For New Designs	—	578 mA @ 10 kHz

Engineering Selection Recommendations

Direct Equivalent (Same Footprint, Active Status):

EEE-FP1E331AP is the primary direct equivalent. It maintains the 8.00mm diameter and 10.20mm height, matching the original PCB land pattern exactly. This part is Active status with doubled lifetime (2000 hours at 105°C), extended operating temperature range (-55°C to 105°C), and improved ESR specification (80 mOhm @ 100kHz). All automotive and compliance certifications are maintained.

Recommended Upgrades (Improved Performance, Slight Height Increase):

EEE-FK1E331P, EEE-FK1E331AP, and EEE-FK1E331GP are Active status upgrades with 2000 to 5000 hour lifetimes. These parts have a maximum height of 10.50mm (0.30mm taller than original). PCB layout verification is required to confirm clearance. The EEE-FK1E331GP variant offers the longest lifetime (5000 hours) for demanding automotive applications.

Higher Voltage Alternative (Improved Margin):

EEE-FT1V331AP and EEE-FT1V331GP provide 35 V rating instead of 25 V, offering increased voltage margin for the same 330 µF capacitance. These are Active status with 2000 to 5000 hour lifetimes and improved ESR (80 mOhm @ 100kHz). Height is 10.50mm, requiring PCB clearance verification.

Similar Package Alternatives (Larger Footprint):

EEE-FC1E331AP and EEE-FC1E331P have 10.00mm diameter (versus 8.00mm original) and require PCB layout redesign. These are Not For New Designs status and should be avoided for new production. EEE-HA1E331AP is also Not For New Designs status with 10.00mm diameter.

Compliance Assurance:

All substitute parts maintain AEC-Q200 automotive rating, RoHS compliance, and MSL 1 (Unlimited) moisture sensitivity level. Operating temperature range may be extended to -55°C ~ 105°C without affecting compatibility.

Frequently Asked Questions (FAQ)

Q: Can EEE-FP1E331AP directly replace EEE-HA1E331UP without PCB modification?

A: Yes. EEE-FP1E331AP maintains identical package dimensions (8.00mm diameter, 10.20mm height) and land size (8.30mm x 8.30mm). No PCB layout changes are required. This is the recommended direct equivalent.

Q: What is the difference between EEE-FK1E331P and EEE-FK1E331GP?

A: Both are Active status with identical electrical specifications (330 µF, 25 V, ±20% tolerance). The primary difference is lifetime: EEE-FK1E331P is rated 2000 hours at 105°C, while EEE-FK1E331GP is rated 5000 hours at 105°C. Both have 10.50mm maximum height, requiring PCB clearance verification.

Q: Why is EEE-FT1V331AP listed as a substitute if it has 35 V rating instead of 25 V?

A: Higher voltage rating is an acceptable upgrade parameter. A 35 V capacitor can be used in a 25 V circuit without electrical degradation. This provides additional voltage margin and is suitable for applications requiring improved reliability. All other parameters (330 µF capacitance, ±20% tolerance, automotive rating) remain compatible.

Q: Can I use EEE-FC1E331P as a substitute?

A: EEE-FC1E331P has a larger 10.00mm diameter (versus 8.00mm original) and different land size (10.30mm x 10.30mm versus 8.30mm x 8.30mm). PCB layout redesign is required. Additionally, this part is Not For New Designs status, making it unsuitable for new production. Active alternatives are preferred.

Q: What does "Not For New Designs" status mean?

A: This designation indicates the part is in end-of-life phase and Panasonic does not recommend it for new circuit designs. Existing inventory may be available, but long-term supply is not assured. Active status parts are recommended for production designs requiring sustained availability.

Q: Are all substitute parts AEC-Q200 compliant?

A: Yes. All listed substitute parts maintain AEC-Q200 automotive qualification, ensuring compatibility with automotive applications and supply chain requirements.

Q: What is the significance of ESR (Equivalent Series Resistance) in capacitor selection?

A: ESR affects ripple current handling and thermal performance. Lower ESR values (such as 80 mOhm in EEE-FP1E331AP) indicate better high-frequency performance and lower heat generation. The original EEE-HA1E331UP does not specify ESR, while active substitutes provide this specification for improved circuit design verification.

Q: Can I substitute EEE-HA1E331UP with a higher capacitance value?

A: No. Substitution must maintain the 330 µF capacitance value. Higher capacitance values alter circuit behavior and are not acceptable substitutes. Only parts with identical 330 µF rating are listed.

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