ECA-2AHG2R2B Equivalent & Substitute Parts

Part Overview

The ECA-2AHG2R2B is a 2.2 µF, 100 V aluminum electrolytic capacitor in radial configuration manufactured by Panasonic Electronic Components. This component is rated for 1000 hours at 105°C and is designed for general-purpose applications requiring polar capacitive filtering. The part is currently active in production and ROHS3 compliant.

Substitute parts are necessary when the ECA-2AHG2R2B is unavailable due to supply constraints, when alternative packaging formats are required, or when design specifications allow for equivalent performance characteristics from alternative manufacturers or series within the same electrical and mechanical parameters.

Key Parameters

Parameter	Value
Capacitance	2.2 µF
Voltage Rating	100 V
Tolerance	±20%
Operating Temperature Range	-55°C to 105°C
Lifetime @ Temperature	1000 Hrs @ 105°C
Package Type	Radial, Can
Mounting Type	Through Hole
Size / Diameter	0.197" (5.00mm)
Height	0.472" (12.00mm)
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the ECA-2AHG2R2B is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

Capacitance: 2.2 µF
Voltage Rating: 100 V
Tolerance: ±20%
Operating Temperature Range: -55°C to 105°C
Polarization: Polar

Mechanical Parameters (Must Match):

Package Type: Radial, Can
Mounting Type: Through Hole
Diameter: 0.197" (5.00mm)
Height: Within acceptable tolerance (0.433" to 0.512")

Compliance Parameters (Must Match):

RoHS Status: ROHS3 Compliant

Lifetime at temperature may vary (1000 Hrs or 2000 Hrs @ 105°C) without affecting substitution eligibility, as longer lifetime provides equal or superior performance. Lead spacing variations (0.079", 0.098", or 0.197") are acceptable provided PCB layout accommodates the specific part geometry. Packaging format (Cut Tape or Bulk) does not affect electrical or mechanical compatibility.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Temp Range	Diameter	Height	Lead Spacing	Status
ECA-2AHG2R2B	Panasonic	NHG-A	2.2 µF	100 V	±20%	1000 Hrs	-55 to 105°C	5.00mm	12.00mm	5.00mm	Active
ECA-2AHG2R2	Panasonic	NHG-A	2.2 µF	100 V	±20%	1000 Hrs	-55 to 105°C	5.00mm	12.00mm	2.00mm	Active
EEU-FC2A2R2	Panasonic	FC	2.2 µF	100 V	±20%	1000 Hrs	-55 to 105°C	5.00mm	12.00mm	2.00mm	Active
UPJ2A2R2MDD1TD	Nichicon	UPJ	2.2 µF	100 V	±20%	2000 Hrs	-55 to 105°C	5.00mm	12.00mm	2.50mm	Obsolete
SEK2R2M100ST	Cornell Dubilier	SEK	2.2 µF	100 V	±20%	2000 Hrs	-55 to 105°C	5.00mm	13.00mm	2.00mm	Active
UPJ2A2R2MDD	Nichicon	UPJ	2.2 µF	100 V	±20%	2000 Hrs	-55 to 105°C	5.00mm	12.00mm	2.00mm	Obsolete
UPM2A2R2MDD	Nichicon	UPM	2.2 µF	100 V	±20%	2000 Hrs	-55 to 105°C	5.00mm	12.50mm	2.00mm	Obsolete
UPW2A2R2MDD	Nichicon	UPW	2.2 µF	100 V	±20%	2000 Hrs	-55 to 105°C	5.00mm	11.00mm	2.00mm	Obsolete
UVZ2A2R2MDD	Nichicon	UVZ	2.2 µF	100 V	±20%	1000 Hrs	-55 to 105°C	5.00mm	12.50mm	2.00mm	Obsolete

Engineering Selection Recommendations

Active Production Parts (Preferred):

ECA-2AHG2R2 and EEU-FC2A2R2 are both active Panasonic products meeting all electrical and mechanical requirements. ECA-2AHG2R2 is the direct variant of the main part with identical specifications except for lead spacing (2.00mm vs. 5.00mm). EEU-FC2A2R2 is suitable for applications requiring automotive-grade qualification (AEC-Q200 rated).

SEK2R2M100ST from Cornell Dubilier Electronics is an active alternative with extended lifetime (2000 Hrs @ 105°C) and is ROHS3 compliant. Height is 13.00mm, requiring PCB layout verification.

Obsolete Parts (Use Only When Necessary):

UPJ2A2R2MDD1TD, UPJ2A2R2MDD, UPM2A2R2MDD, UPW2A2R2MDD, and UVZ2A2R2MDD are all marked obsolete. These parts meet electrical and mechanical specifications but should only be selected if existing inventory is available and supply chain continuity is not a concern. Nichicon obsolete series offer extended lifetime (2000 Hrs) compared to the main part (1000 Hrs).

All substitute parts are ROHS3 compliant and suitable for equivalent circuit applications.

Frequently Asked Questions (FAQ)

Q: Can I substitute ECA-2AHG2R2 for ECA-2AHG2R2B?

A: Yes. Both parts are identical Panasonic NHG-A series capacitors with 2.2 µF, 100 V, ±20% specifications. The primary difference is lead spacing: ECA-2AHG2R2B has 5.00mm spacing while ECA-2AHG2R2 has 2.00mm spacing. Substitution is valid if PCB layout accommodates the 2.00mm lead spacing.

Q: What is the difference between active and obsolete parts?

A: Active parts (ECA-2AHG2R2, EEU-FC2A2R2, SEK2R2M100ST) are in current production and have guaranteed long-term availability. Obsolete parts (UPJ, UPM, UPW, UVZ series) are no longer manufactured and should only be used if existing stock is available. Obsolete parts may have extended lifetime ratings (2000 Hrs vs. 1000 Hrs) but do not offer supply continuity.

Q: Does lead spacing affect electrical performance?

A: No. Lead spacing (0.079", 0.098", or 0.197") is a mechanical parameter that does not affect capacitance, voltage rating, or electrical performance. Selection depends on PCB hole spacing and layout requirements.

Q: Can I use SEK2R2M100ST if my PCB is designed for 12.00mm height?

A: SEK2R2M100ST has a maximum seated height of 13.00mm compared to 12.00mm for the main part. Verify that PCB clearance and component placement allow for the additional 1.00mm height before substitution.

Q: Is EEU-FC2A2R2 suitable for automotive applications?

A: Yes. EEU-FC2A2R2 carries AEC-Q200 automotive qualification and is rated for automotive applications. It meets all electrical and mechanical requirements of the ECA-2AHG2R2B and is an active production part.

Q: What does ±20% tolerance mean?

A: Tolerance of ±20% means the actual capacitance value will be within 20% above or below the nominal 2.2 µF rating. For this part, acceptable capacitance range is 1.76 µF to 2.64 µF. All substitute parts carry identical ±20% tolerance.

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