EEE-HA1E331AP Equivalent & Substitute Parts

Part Overview

The EEE-HA1E331AP is a 330 µF, 25 V aluminum electrolytic capacitor in surface mount radial can package, rated for 1000 hours at 105°C. This component is classified as "Not For New Designs," indicating it has reached end-of-life status. Equivalent and substitute parts are necessary to maintain design continuity, improve performance characteristics, or secure components with extended availability and enhanced reliability ratings.

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 Type	Radial, Can - SMD
Physical Size	10.00 mm Dia × 10.20 mm Height
Surface Mount Land Size	10.30 mm × 10.30 mm
Polarization	Polar
AEC-Q200 Rating	Yes
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution of the EEE-HA1E331AP is determined by the following criteria:

Direct Electrical Compatibility: Capacitance (330 µF) and tolerance (±20%) must remain constant. Voltage rating may be equal or higher without functional impact.

Mechanical Compatibility: Physical dimensions (10.00 mm diameter, maximum height 10.20 mm) and surface mount land size (10.30 mm × 10.30 mm) must match or be compatible with existing PCB layouts.

Thermal & Reliability: Operating temperature range (-40°C ~ 105°C) and lifetime rating (minimum 1000 hours @ 105°C) establish baseline performance. Higher lifetime ratings and extended temperature ranges represent performance improvements.

Regulatory Compliance: AEC-Q200 automotive qualification and RoHS compliance are maintained across all substitutes.

Packaging Format: All substitutes maintain surface mount radial can configuration with compatible land patterns.

Substitutes are grouped into three categories: direct equivalents (same voltage, same lifetime), voltage-upgraded alternatives (higher voltage rating), and performance-enhanced options (extended lifetime or improved thermal characteristics).

Parameter Comparison

Part Number	Series	Capacitance	Voltage	Lifetime @ 105°C	Operating Temp Range	Height (Max)	Impedance @ 100 kHz	Product Status	Packaging
EEE-HA1E331AP	HA	330 µF	25 V	1000 Hrs	-40°C ~ 105°C	10.20 mm	—	Not For New Designs	Tape & Reel
EEE-FC1E331AP	FC	330 µF	25 V	1000 Hrs	-40°C ~ 105°C	10.20 mm	150 mOhms	Not For New Designs	Tape & Reel
EEE-FC1V331P	FC	330 µF	35 V	1000 Hrs	-40°C ~ 105°C	10.20 mm	150 mOhms	Not For New Designs	Cut Tape & Digi-Reel
EEE-HA1V331P	HA	330 µF	35 V	1000 Hrs	-40°C ~ 105°C	10.20 mm	—	Not For New Designs	Tape & Reel
EEE-FC1V331AP	FC	330 µF	35 V	1000 Hrs	-40°C ~ 105°C	10.20 mm	150 mOhms	Not For New Designs	Tape & Reel
EEE-FK1V331AP	FK	330 µF	35 V	2000 Hrs	-55°C ~ 105°C	10.50 mm	80 mOhms	Active	Tape & Reel
EEE-FK1V331GP	FK	330 µF	35 V	5000 Hrs	-55°C ~ 105°C	10.50 mm	80 mOhms	Active	Tape & Reel
EEE-FK1V331P	FK	330 µF	35 V	2000 Hrs	-55°C ~ 105°C	10.50 mm	80 mOhms	Active	Tape & Reel
EEE-FP1V331AP	FP	330 µF	35 V	2000 Hrs	-55°C ~ 105°C	10.20 mm	60 mOhms	Active	Cut Tape & Digi-Reel
EEE-FT1H331AP	FT	330 µF	50 V	2000 Hrs	-55°C ~ 105°C	10.50 mm	120 mOhms	Active	Cut Tape & Digi-Reel
EEE-FT1H331GP	FT	330 µF	50 V	5000 Hrs	-55°C ~ 105°C	10.50 mm	120 mOhms	Active	Cut Tape & Digi-Reel

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications): EEE-FC1E331AP maintains identical voltage (25 V) and lifetime (1000 Hrs @ 105°C) ratings. Both components are classified "Not For New Designs" but remain functionally equivalent. The FC series offers lower impedance (150 mOhms @ 100 kHz) compared to the HA series baseline.

For Voltage-Upgraded Designs: EEE-HA1V331P, EEE-FC1V331P, and EEE-FC1V331AP provide 35 V rating while maintaining 1000-hour lifetime. These are suitable where circuit voltage margins require improvement without extending thermal performance requirements. All three retain "Not For New Designs" status.

For Active Product Status with Extended Reliability: EEE-FK1V331AP and EEE-FK1V331P (FK series, 35 V, 2000 Hrs @ 105°C) are classified as Active products with doubled lifetime rating and extended operating temperature range (-55°C ~ 105°C). These represent the recommended path for new designs requiring long-term availability and enhanced thermal stability.

For Maximum Reliability and Longevity: EEE-FK1V331GP and EEE-FT1H331GP offer 5000-hour lifetime ratings at 105°C with Active product status. EEE-FK1V331GP maintains 35 V rating, while EEE-FT1H331GP provides 50 V rating. Both support extended temperature operation (-55°C ~ 105°C).

For Optimized Impedance Performance: EEE-FP1V331AP (FP series, 35 V, 2000 Hrs) delivers the lowest impedance specification (60 mOhms @ 100 kHz) among all substitutes, suitable for high-frequency ripple current applications. Active product status ensures long-term supply continuity.

All substitutes maintain AEC-Q200 automotive qualification, RoHS compliance, and compatible surface mount land patterns (10.30 mm × 10.30 mm).

Frequently Asked Questions (FAQ)

Q: Can EEE-HA1E331AP be directly replaced with EEE-FC1E331AP? A: Yes. Both components share identical electrical specifications: 330 µF capacitance, 25 V rating, ±20% tolerance, and 1000-hour lifetime at 105°C. Physical dimensions and surface mount land patterns are compatible. The FC series offers lower impedance as an additional benefit.

Q: What is the difference between 25 V and 35 V rated substitutes? A: Voltage rating indicates the maximum continuous voltage the capacitor can withstand. A 35 V rated capacitor can operate safely in circuits designed for 25 V operation, providing additional voltage margin and typically improved reliability. No circuit modification is required for this upgrade.

Q: Why do some substitutes have different physical heights? A: FK and FT series components have maximum heights of 10.50 mm compared to the original 10.20 mm. This 0.30 mm difference must be verified against PCB clearance constraints. FP series maintains the original 10.20 mm height. Surface mount land patterns remain compatible across all variants.

Q: What does "Active" product status mean? A: Active status indicates the manufacturer continues production and supports long-term supply. "Not For New Designs" indicates end-of-life status with limited future availability. For new designs, Active products (FK, FP, FT series) are recommended.

Q: How does lifetime rating affect component selection? A: Lifetime rating (1000, 2000, or 5000 hours @ 105°C) indicates expected operational duration under specified thermal stress. Higher ratings provide extended service life and improved reliability margins. Selection depends on application duty cycle and required system longevity.

Q: Are all substitutes AEC-Q200 qualified? A: Yes. All listed substitutes maintain AEC-Q200 automotive qualification, ensuring compliance with automotive reliability and quality standards.

Q: What is impedance and why does it vary among substitutes? A: Equivalent Series Resistance (ESR) or impedance affects ripple current handling and voltage regulation performance. Lower impedance values (60-80 mOhms) provide superior high-frequency ripple current capability compared to higher values (120-150 mOhms). Selection depends on circuit ripple current requirements.

Q: Can packaging format (Tape & Reel vs. Cut Tape) affect compatibility? A: Packaging format affects supply and handling but does not impact electrical or mechanical compatibility on the PCB. Both formats use identical component specifications and land patterns. Selection depends on assembly process requirements and order quantities.

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