EET-UQ2D222KA Equivalent & Substitute Parts

Part Overview

The Panasonic EET-UQ2D222KA is a 2200 µF, 200 V aluminum electrolytic capacitor in radial, can snap-in package with through-hole mounting. This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part delivers 98 mOhm ESR at 120 Hz with a 2000-hour lifetime rating at 85°C, suitable for general-purpose power supply and filtering applications requiring high capacitance density in a compact form factor.

Key Parameters

Parameter	Value
Capacitance	2200 µF
Voltage Rating	200 V
Tolerance	±20%
ESR @ 120 Hz	98 mOhm
Lifetime @ 85°C	2000 Hrs
Operating Temperature Range	-40°C to 85°C
Lead Spacing	0.394" (10.00 mm)
Case Diameter	1.181" (30.00 mm)
Height (Seated Max)	1.969" (50.00 mm)
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Polarization	Polar

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters: capacitance (2200 µF), voltage rating (200 V), tolerance (±20%), package type (radial, can snap-in), lead spacing (10.00 mm), and mounting type (through-hole). Parts are classified into two categories:

Direct Substitutes maintain identical or superior electrical performance and physical dimensions within acceptable tolerances. These parts share the same core specifications and can replace the EET-UQ2D222KA without circuit redesign.

Similar Substitutes meet the core electrical requirements but may differ in secondary parameters such as case diameter, height, ESR characteristics, or lifetime rating. These parts require verification of mechanical fit and thermal performance in the target application.

Parameter Comparison

Part Number	Manufacturer	Status	Capacitance	Voltage	ESR @ 120 Hz	Lifetime @ 85°C	Case Dia (mm)	Height (mm)	Lead Spacing (mm)	RoHS
EET-UQ2D222KA	Panasonic	Obsolete	2200 µF	200 V	98 mOhm	2000 Hrs	30.00	50.00	10.00	N/A
380LQ222M200K052	Cornell Dubilier	Active	2200 µF	200 V	98 mOhm	2000 Hrs	30.00	52.00	10.00	ROHS3
LLG2D222MELB50	Nichicon	Active	2200 µF	200 V	—	2000 Hrs	30.00	52.00	10.00	ROHS3
380LQ222M200A042	Cornell Dubilier	Active	2200 µF	200 V	105 mOhm	2000 Hrs	35.00	42.00	10.00	ROHS3
380LX222M200A052	Cornell Dubilier	Active	2200 µF	200 V	90 mOhm	3000 Hrs	35.00	52.00	10.00	ROHS3
ESMQ201VSN222MR50S	Chemi-Con	Active	2200 µF	200 V	—	2000 Hrs	30.00	50.00	10.00	RoHS
LPX222M200H9P3	Cornell Dubilier	Active	2200 µF	200 V	90 mOhm	1000 Hrs	35.00	50.00	10.00	ROHS3
SLPX222M200H9P3	Cornell Dubilier	Active	2200 µF	200 V	90 mOhm	3000 Hrs	35.00	50.00	10.00	ROHS3

Engineering Selection Recommendations

Direct Substitutes (Preferred)

380LQ222M200K052 (Cornell Dubilier) is the primary direct substitute. It maintains identical electrical specifications (2200 µF, 200 V, 98 mOhm ESR, 2000-hour lifetime) with active product status and ROHS3 compliance. Height increases by 2 mm (52 mm vs. 50 mm), which is acceptable for most through-hole applications with standard PCB clearance. This part offers the highest compatibility with the original design.

LLG2D222MELB50 (Nichicon) is a secondary direct substitute with active status and ROHS3 compliance. It matches all core electrical parameters and physical dimensions except height (52 mm). ESR data is not provided but the part meets the 2000-hour lifetime requirement. High inventory availability (90,540 units) supports supply chain continuity.

ESMQ201VSN222MR50S (Chemi-Con) maintains the original case diameter (30 mm) and height (50 mm), providing the closest physical fit. It delivers identical electrical performance with active status and RoHS compliance. Operating temperature range is -25°C to 85°C, which is narrower than the original -40°C to 85°C specification.

Similar Substitutes (Conditional)

380LX222M200A052 (Cornell Dubilier) offers superior lifetime rating (3000 hours vs. 2000 hours) and lower ESR (90 mOhm), but increases case diameter to 35 mm and height to 52 mm. Use this part when thermal performance or extended service life is prioritized and mechanical space permits the larger footprint.

SLPX222M200H9P3 (Cornell Dubilier) combines 3000-hour lifetime with 90 mOhm ESR in a 35 mm diameter case. It is suitable for applications requiring enhanced reliability with available board space for the larger package.

380LQ222M200A042 (Cornell Dubilier) increases case diameter to 35 mm with slightly higher ESR (105 mOhm) but maintains 2000-hour lifetime. This part is suitable when case diameter expansion is acceptable and cost optimization is a secondary consideration.

LPX222M200H9P3 (Cornell Dubilier) delivers 90 mOhm ESR but with reduced lifetime (1000 hours). Use only in applications where thermal cycling is minimal and service life requirements are less stringent than the original specification.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with a larger case diameter?

A: Yes, if PCB layout and mechanical clearance permit. Parts with 35 mm diameter (380LX222M200A052, SLPX222M200H9P3, 380LQ222M200A042, LPX222M200H9P3) are electrically equivalent but require verification of board space and component proximity. Lead spacing remains constant at 10 mm across all substitutes.

Q: What is the impact of height variation on compatibility?

A: The original part is 50 mm tall. Direct substitutes 380LQ222M200K052 and LLG2D222MELB50 are 52 mm tall, a 2 mm increase that is typically accommodated by standard PCB clearance. ESMQ201VSN222MR50S maintains the original 50 mm height. Verify clearance to adjacent components and enclosure constraints before selection.

Q: Does ESR variation affect circuit performance?

A: ESR differences within the range provided (90–105 mOhm) have minimal impact on general-purpose filtering applications. Lower ESR (90 mOhm) in 380LX222M200A052 and SLPX222M200H9P3 provides marginally improved ripple current handling. Higher ESR (105 mOhm) in 380LQ222M200A042 remains within acceptable limits for standard power supply designs.

Q: Why do some substitutes have different lifetime ratings?

A: Lifetime rating reflects the capacitor's thermal endurance at 85°C. The original part specifies 2000 hours. Substitutes with 3000-hour ratings (380LX222M200A052, SLPX222M200H9P3) offer extended service life in thermally demanding environments. Parts with 1000-hour ratings (LPX222M200H9P3) are suitable only for applications with lower thermal stress.

Q: Are all substitutes RoHS compliant?

A: Yes. All active substitutes carry either ROHS3 or RoHS compliance certification. The original obsolete part does not specify RoHS status. Compliance is confirmed for all recommended alternatives.

Q: What is the difference between direct and similar substitutes?

A: Direct substitutes (380LQ222M200K052, LLG2D222MELB50, ESMQ201VSN222MR50S) maintain the original electrical specifications and physical dimensions within minor tolerances. Similar substitutes introduce variations in case diameter, height, or lifetime rating but remain electrically equivalent. Direct substitutes are preferred for drop-in replacement; similar substitutes require design verification.

Q: Can I mix different substitute parts in the same circuit?

A: Yes, provided all selected parts meet the circuit's electrical requirements (2200 µF, 200 V, ±20% tolerance). Mixing parts with different ESR or lifetime ratings is acceptable in parallel or independent filtering stages. Verify that combined ripple current handling is adequate for the application.

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