Equivalent & Substitute Parts for EEE-1HA3R3AR

Part Overview

The Panasonic EEE-1HA3R3AR is a 3.3 µF, 50 V aluminum electrolytic capacitor in surface mount radial can package, rated for 2000 hours at 85°C with AEC-Q200 automotive qualification. This part is designated as "Not For New Designs," indicating end-of-life status. Identifying equivalent and substitute parts is necessary to support existing designs, manage inventory transitions, and ensure continued component availability for production and field service applications.

Key Parameters

Parameter	Value
Capacitance	3.3 µF
Voltage Rating	50 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 85°C
Operating Temperature Range	-40°C ~ 85°C
Package Type	Radial, Can - SMD
Case Diameter	0.157" (4.00 mm)
Mounting Type	Surface Mount
Polarization	Polar
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution of the EEE-1HA3R3AR is determined by strict equivalence in the following parameters: capacitance (3.3 µF), voltage rating (50 V), tolerance (±20%), case diameter (4.00 mm), surface mount land size (4.30 mm × 4.30 mm), and polarization (polar). Height variation within the same case family is acceptable provided PCB layout accommodates the physical dimension. Lifetime and operating temperature range define performance tier classifications. Parts are grouped as follows:

Direct Substitutes (Same Series, Active Status): EEE-HB1H3R3R and EEE-HB1H3R3AR maintain identical electrical parameters and case dimensions while offering extended temperature operation (-40°C ~ 105°C) and active product status.

Direct Substitute (Enhanced Lifetime): EEE-HD1H3R3R provides 5000 hours at 105°C with identical case dimensions and electrical specifications, representing a performance upgrade path.

Parametric Equivalents (Same Series, Packaging Variant): EEE-1HA3R3SR matches all electrical and mechanical parameters of the main part with alternative packaging (Cut Tape & Digi-Reel® versus Tape & Reel).

Cross-Manufacturer Equivalents (Nichicon): UWX1H3R3MCL1GB, UZR1H3R3MCL1GB, and UZS1H3R3MCL1GB provide electrical and mechanical equivalence from Nichicon with identical case dimensions and land sizes. These parts are designated obsolete.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ Temp	Operating Temp Range	Height (Max)	Product Status	RoHS Status
EEE-1HA3R3AR	Panasonic	3.3 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.213" (5.40 mm)	Not For New Designs	RoHS Compliant
EEE-HB1H3R3R	Panasonic	3.3 µF	50 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	0.228" (5.80 mm)	Active	ROHS3 Compliant
EEE-HB1H3R3AR	Panasonic	3.3 µF	50 V	±20%	2000 Hrs @ 105°C	-40°C ~ 105°C	0.228" (5.80 mm)	Active	ROHS3 Compliant
EEE-HD1H3R3R	Panasonic	3.3 µF	50 V	±20%	5000 Hrs @ 105°C	-40°C ~ 105°C	0.240" (6.10 mm)	Active	ROHS3 Compliant
EEE-1HA3R3SR	Panasonic	3.3 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.213" (5.40 mm)	Not For New Designs	RoHS Compliant
UWX1H3R3MCL1GB	Nichicon	3.3 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.213" (5.40 mm)	Obsolete	ROHS3 Compliant
UZR1H3R3MCL1GB	Nichicon	3.3 µF	50 V	±20%	1000 Hrs @ 85°C	-40°C ~ 85°C	0.156" (3.95 mm)	Obsolete	ROHS3 Compliant
UZS1H3R3MCL1GB	Nichicon	3.3 µF	50 V	±20%	2000 Hrs @ 85°C	-40°C ~ 85°C	0.181" (4.60 mm)	Obsolete	ROHS3 Compliant

Engineering Selection Recommendations

For new designs and production transitions, select from active Panasonic parts: EEE-HB1H3R3R or EEE-HB1H3R3AR. Both offer extended operating temperature range (-40°C ~ 105°C), ROHS3 compliance, and active product status. EEE-HD1H3R3R is recommended for applications requiring extended lifetime (5000 hours at 105°C) and high-temperature reflow processes.

For existing designs currently using EEE-1HA3R3AR, direct substitution with EEE-HB1H3R3R or EEE-HB1H3R3AR is supported. Verify PCB layout accommodates the increased height (0.228" versus 0.213"). Both parts maintain identical electrical parameters, case diameter, and land size.

EEE-1HA3R3SR provides parametric equivalence with identical electrical and mechanical specifications, differing only in packaging format (Cut Tape & Digi-Reel® versus Tape & Reel).

Nichicon cross-manufacturer parts (UWX1H3R3MCL1GB, UZR1H3R3MCL1GB, UZS1H3R3MCL1GB) are designated obsolete and should not be selected for new designs. These parts are suitable only for legacy system support where existing inventory exists.

Frequently Asked Questions (FAQ)

Q: Can EEE-HB1H3R3R directly replace EEE-1HA3R3AR on existing PCBs?

A: Yes, with height verification. Both parts share identical capacitance (3.3 µF), voltage rating (50 V), case diameter (4.00 mm), and land size (4.30 mm × 4.30 mm). EEE-HB1H3R3R height is 0.228" compared to 0.213" for EEE-1HA3R3AR. Confirm PCB layout clearance accommodates the additional 0.015" height.

Q: What is the difference between EEE-HB1H3R3R and EEE-HB1H3R3AR?

A: Both parts are electrically and mechanically identical. The suffix designates packaging: "R" indicates Tape & Reel, "AR" indicates Tape & Reel with specific reel configuration. Selection depends on procurement and assembly requirements.

Q: Why is EEE-HD1H3R3R considered an upgrade?

A: EEE-HD1H3R3R extends lifetime to 5000 hours at 105°C versus 2000 hours at 85°C for EEE-1HA3R3AR. Operating temperature range extends to 105°C. Height increases to 0.240". This part is suitable for high-reliability and high-temperature applications.

Q: Are Nichicon parts (UWX, UZR, UZS series) suitable for new designs?

A: No. All Nichicon equivalents listed are designated obsolete. These parts are available only for legacy system support and field service. New designs must use active Panasonic parts.

Q: What is the significance of AEC-Q200 rating?

A: AEC-Q200 certification indicates the part meets automotive-grade reliability standards. EEE-1HA3R3AR, EEE-HB series, and EEE-HD1H3R3R carry this rating. UZR1H3R3MCL1GB also carries AEC-Q200. Nichicon UWX and UZS series do not list AEC-Q200 certification.

Q: Can height variation affect circuit performance?

A: Height variation does not affect electrical performance. Physical clearance on the PCB must be verified. Taller components (EEE-HD1H3R3R at 0.240") may require layout adjustment to avoid interference with adjacent components or conformal coating processes.

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

A: This designation indicates the part is end-of-life. Panasonic continues to support existing designs but does not recommend selection for new product development. Transition to active alternatives (EEE-HB or EEE-HD series) for long-term supply assurance.

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