Panasonic EEE-HA1HR22R Equivalent & Substitute Parts

Part Overview

The Panasonic EEE-HA1HR22R is a 0.22 µF, 50 V aluminum electrolytic capacitor in surface mount radial can package, rated for 1000 hours at 105°C. This component is classified as Obsolete, making equivalent substitute parts necessary for ongoing production and maintenance applications. The part carries AEC-Q200 automotive qualification and is designed for automotive applications requiring reliable energy storage and filtering in harsh thermal environments.

Key Parameters

Parameter	Value
Capacitance	0.22 µF
Voltage Rating	50 V
Tolerance	±20%
Lifetime @ Temperature	1000 Hrs @ 105°C
Operating Temperature Range	-40°C ~ 105°C
Package Type	Radial, Can - SMD
Case Diameter	0.157" (4.00mm)
Land Size	0.169" L x 0.169" W (4.30mm x 4.30mm)
Mounting Type	Surface Mount
Polarization	Polar

Substitute Part Grouping Explanation

Substitute parts for the EEE-HA1HR22R are qualified based on the following electrical and mechanical parameters:

Electrical Equivalence Criteria:

Capacitance: 0.22 µF (exact match required)
Voltage Rating: 50 V (minimum, equal or higher acceptable)
Tolerance: ±20% (matching tolerance specification)
Lifetime: 1000 Hrs @ 105°C (minimum thermal endurance)
Operating Temperature: -40°C ~ 105°C (full range coverage)

Mechanical Compatibility Criteria:

Package Type: Radial, Can - SMD (identical form factor)
Case Diameter: 0.157" (4.00mm) (exact match for PCB fit)
Surface Mount Land Size: 0.169" L x 0.169" W (4.30mm x 4.30mm) (identical footprint)
Mounting Type: Surface Mount (process compatibility)

The Nichicon UZG1HR22MCL1GB and UZT1HR22MCL1GB meet all substitution criteria and are functionally equivalent to the Panasonic EEE-HA1HR22R.

Parameter Comparison

Parameter	Panasonic EEE-HA1HR22R	Nichicon UZG1HR22MCL1GB	Nichicon UZT1HR22MCL1GB
Manufacturer	Panasonic Electronic Components	Nichicon	Nichicon
Capacitance	0.22 µF	0.22 µF	0.22 µF
Voltage Rating	50 V	50 V	50 V
Tolerance	±20%	±20%	±20%
Lifetime @ 105°C	1000 Hrs	1000 Hrs	1000 Hrs
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C
Case Diameter	0.157" (4.00mm)	0.157" (4.00mm)	0.157" (4.00mm)
Height - Seated (Max)	0.213" (5.40mm)	0.156" (3.95mm)	0.181" (4.60mm)
Land Size	0.169" L x 0.169" W (4.30mm x 4.30mm)	0.169" L x 0.169" W (4.30mm x 4.30mm)	0.169" L x 0.169" W (4.30mm x 4.30mm)
Package Type	Radial, Can - SMD	Radial, Can - SMD	Radial, Can - SMD
Mounting Type	Surface Mount	Surface Mount	Surface Mount
Ripple Current @ 120 Hz	2 mA	2.2 mA	2.2 mA
Ripple Current @ 10 kHz	2.8 mA	3.3 mA	3.3 mA
Product Status	Obsolete	Not For New Designs	Not For New Designs
RoHS Status	Not specified	ROHS3 Compliant	ROHS3 Compliant
MSL Rating	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	REACH Unaffected	REACH Unaffected

Engineering Selection Recommendations

Both Nichicon substitute parts meet the electrical and mechanical requirements for direct replacement of the Panasonic EEE-HA1HR22R. Selection between UZG1HR22MCL1GB and UZT1HR22MCL1GB should be based on PCB height constraints:

UZG1HR22MCL1GB: Maximum seated height of 0.156" (3.95mm) provides the lowest profile option for space-constrained applications.
UZT1HR22MCL1GB: Maximum seated height of 0.181" (4.60mm) offers a mid-range height profile.

Both substitute parts are ROHS3 compliant, providing environmental compliance advantages over the original Panasonic part. The Nichicon parts carry "Not For New Designs" status, indicating they remain available for legacy system support and replacement applications. Ripple current ratings for both Nichicon substitutes exceed the original specification, providing improved thermal performance margin.

Frequently Asked Questions (FAQ)

Q: Can Nichicon UZG1HR22MCL1GB and UZT1HR22MCL1GB be used interchangeably with the Panasonic EEE-HA1HR22R?

A: Yes. Both Nichicon parts are electrically and mechanically equivalent. They share identical capacitance (0.22 µF), voltage rating (50 V), tolerance (±20%), thermal lifetime (1000 Hrs @ 105°C), operating temperature range (-40°C ~ 105°C), case diameter (4.00mm), and land size (4.30mm x 4.30mm). The primary difference is seated height, which affects PCB clearance.

Q: What is the difference between UZG1HR22MCL1GB and UZT1HR22MCL1GB?

A: The primary difference is seated height. UZG1HR22MCL1GB has a maximum height of 0.156" (3.95mm), while UZT1HR22MCL1GB has a maximum height of 0.181" (4.60mm). Both are electrically identical and carry the same ripple current ratings (2.2 mA @ 120 Hz, 3.3 mA @ 10 kHz).

Q: Are the Nichicon substitutes suitable for automotive applications?

A: The Nichicon parts are rated for general purpose applications. The original Panasonic EEE-HA1HR22R carries AEC-Q200 automotive qualification. For automotive applications requiring AEC-Q200 certification, compliance verification with your quality and procurement department is required.

Q: What is the impact of higher ripple current ratings in the Nichicon substitutes?

A: The Nichicon parts have higher ripple current ratings (2.2 mA @ 120 Hz and 3.3 mA @ 10 kHz) compared to the Panasonic original (2 mA @ 120 Hz and 2.8 mA @ 10 kHz). Higher ripple current capability provides improved thermal margin and is not detrimental to circuit performance.

Q: Are moisture sensitivity levels equivalent across all three parts?

A: Yes. All three parts carry MSL Rating 1 (Unlimited), indicating no moisture sensitivity restrictions for storage, handling, or reflow processes.

Q: What packaging options are available for the Nichicon substitutes?

A: Both Nichicon parts are supplied in Tape & Reel (TR) packaging, standard for surface mount production environments.

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