ECA-2DHG2R2 Equivalent & Substitute Parts

Part Overview

The ECA-2DHG2R2 is a 2.2 µF, 200 V aluminum electrolytic capacitor in radial, can package manufactured by Panasonic Electronic Components. This component is rated for 2000 hours at 105°C and is designed for general-purpose applications requiring polar capacitance in through-hole configurations.

The part is currently active in production. Substitute parts may be required due to inventory availability, design upgrades for higher voltage ratings, or obsolescence of specific series variants.

Key Parameters

Parameter	Value
Capacitance	2.2 µF
Voltage Rating	200 V
Tolerance	±20%
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-25°C ~ 105°C
Polarization	Polar
Lead Spacing	0.098" (2.50 mm)
Package Type	Radial, Can
Mounting Type	Through Hole
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria:

Primary Compatibility Requirements:

Capacitance: 2.2 µF (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Lead Spacing: 0.098" (2.50 mm) (exact match required)
Package Type: Radial, Can (exact match required)
Mounting Type: Through Hole (exact match required)

Voltage Rating Consideration: Substitute parts may have equal or higher voltage ratings than the original 200 V specification. A higher voltage rating maintains backward compatibility in applications designed for 200 V operation.

Acceptable Variations:

Voltage rating: 200 V or higher
Height dimension: Minor variations acceptable within mechanical envelope constraints
Ripple current specifications: May vary by manufacturer
Operating temperature range: May extend beyond -25°C ~ 105°C
Product status: Active or Obsolete parts acceptable if all electrical parameters match

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage Rating	Tolerance	Lifetime @ 105°C	Operating Temp Range	Lead Spacing	Height (Max)	Product Status	RoHS Status
ECA-2DHG2R2	Panasonic	2.2 µF	200 V	±20%	2000 Hrs	-25°C ~ 105°C	0.098" (2.50 mm)	0.480" (12.20 mm)	Active	ROHS3
ECA-2EHG2R2	Panasonic	2.2 µF	250 V	±20%	2000 Hrs	-25°C ~ 105°C	0.098" (2.50 mm)	0.480" (12.20 mm)	Active	ROHS3
225CKH250M	Cornell Dubilier / Illinois Capacitor	2.2 µF	250 V	±20%	2000 Hrs	-25°C ~ 105°C	0.098" (2.50 mm)	0.492" (12.50 mm)	Active	ROHS3
UPS2D2R2MED1TD	Nichicon	2.2 µF	200 V	±20%	2000 Hrs	-40°C ~ 105°C	0.098" (2.50 mm)	0.492" (12.50 mm)	Obsolete	ROHS3
UPW2D2R2MED	Nichicon	2.2 µF	200 V	±20%	2000 Hrs	-40°C ~ 105°C	0.098" (2.50 mm)	0.433" (11.00 mm)	Obsolete	ROHS3

Engineering Selection Recommendations

Direct Equivalent (Same Voltage Rating): UPS2D2R2MED1TD and UPW2D2R2MED from Nichicon are direct electrical equivalents at 200 V. Both parts are marked Obsolete; however, inventory is available. These parts maintain identical capacitance, tolerance, and voltage specifications. UPW2D2R2MED offers a reduced height profile (0.433" vs. 0.480"), which may provide space advantages in compact designs. Both Nichicon parts extend the operating temperature range to -40°C, providing enhanced low-temperature performance.

Upgraded Voltage Rating (Higher Voltage): ECA-2EHG2R2 (Panasonic, 250 V) and 225CKH250M (Cornell Dubilier, 250 V) provide 50 V additional voltage margin while maintaining all other electrical parameters. Both are Active products with current production status. ECA-2EHG2R2 maintains identical physical dimensions to the original part. 225CKH250M has a marginally taller profile (0.492" vs. 0.480") and is available in significantly higher inventory quantities (56,401 units).

Compliance Status: All substitute parts are ROHS3 compliant and REACH unaffected, matching the original part's regulatory status.

Frequently Asked Questions (FAQ)

Q: Can I use a 250 V rated capacitor in place of a 200 V rated capacitor? A: Yes. A higher voltage rating is a direct substitute in applications designed for 200 V operation. The capacitor will function identically at the lower voltage with additional voltage margin.

Q: What is the difference between ECA-2DHG2R2 and ECA-2EHG2R2? A: Both are Panasonic NHG-A series radial aluminum electrolytic capacitors with identical 2.2 µF capacitance and physical dimensions. The primary difference is voltage rating: ECA-2DHG2R2 is rated 200 V, while ECA-2EHG2R2 is rated 250 V. All other electrical and mechanical parameters are identical.

Q: Are Nichicon UPS and UPW series parts compatible with Panasonic ECA series? A: Yes, provided all electrical parameters match. UPS2D2R2MED1TD and UPW2D2R2MED are electrically equivalent to ECA-2DHG2R2 at 200 V with identical capacitance, tolerance, and lifetime ratings. Physical dimensions vary slightly; verify height clearance in your application.

Q: Why are some substitute parts marked Obsolete? A: Obsolete status indicates the manufacturer has discontinued production. However, inventory remains available from authorized distributors. Obsolete parts are functionally identical to active parts and remain suitable for applications where the specific series is not required.

Q: What is the significance of lead spacing in capacitor substitution? A: Lead spacing (0.098" / 2.50 mm) determines PCB hole pattern compatibility. All listed substitutes maintain identical lead spacing, ensuring direct mechanical fit without PCB redesign.

Q: Does the height difference between substitute parts affect compatibility? A: Height variations (0.433" to 0.492") must be verified against your mechanical envelope constraints. Taller components may contact adjacent components or enclosure features. Verify clearance before substitution.

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