EEU-FC1C182B Equivalent & Substitute Parts

Part Overview

The EEU-FC1C182B is a 1800 µF, 16 V aluminum electrolytic capacitor in radial configuration manufactured by Panasonic Electronic Components. This component is rated for automotive applications with AEC-Q200 compliance and offers a 5000-hour lifetime at 105°C operating temperature. The part is currently active in production. Equivalent and substitute parts are necessary when the primary part number becomes unavailable, when alternative packaging formats are required, or when design flexibility permits component selection from qualified manufacturers meeting identical electrical and mechanical specifications.

Key Parameters

Parameter	Value
Capacitance	1800 µF
Voltage Rating	16 V
Tolerance	±20%
Lifetime @ Temperature	5000 Hrs @ 105°C
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the EEU-FC1C182B is determined by strict equivalence across the following parameters: capacitance value (1800 µF), voltage rating (16 V), tolerance (±20%), polarization (polar), mounting type (through hole), and package configuration (radial, can). All substitute parts must maintain identical electrical performance characteristics including lifetime rating (5000 Hrs @ 105°C) and operating temperature range (-55°C ~ 105°C). Physical dimensions, lead spacing, and impedance characteristics may vary within acceptable mechanical compatibility limits for board-level integration. RoHS3 compliance is required for all substitutes.

The following parts meet these substitution criteria:

EEU-FC1C182: Panasonic direct equivalent, bulk packaging
EEU-FC1C182S: Panasonic variant, bulk packaging
UPJ1C182MHD: Nichicon equivalent, bulk packaging

Parameter Comparison

Parameter	EEU-FC1C182B	EEU-FC1C182	EEU-FC1C182S	UPJ1C182MHD
Manufacturer	Panasonic	Panasonic	Panasonic	Nichicon
Capacitance	1800 µF	1800 µF	1800 µF	1800 µF
Voltage Rating	16 V	16 V	16 V	16 V
Tolerance	±20%	±20%	±20%	±20%
Lifetime @ Temp.	5000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Polarization	Polar	Polar	Polar	Polar
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package Type	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Lead Spacing	0.197" (5.00mm)	0.197" (5.00mm)	0.295" (7.50mm)	0.197" (5.00mm)
Diameter	0.492" (12.50mm)	0.492" (12.50mm)	0.709" (18.00mm)	0.492" (12.50mm)
Height (Max)	1.063" (27.00mm)	0.984" (25.00mm)	0.591" (15.00mm)	1.299" (33.00mm)
Impedance	30 mOhms	30 mOhms	38 mOhms	39 mOhms
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Active	Active	Not For New Designs

Engineering Selection Recommendations

EEU-FC1C182 and EEU-FC1C182S are both Panasonic products with active production status and are suitable for new designs. EEU-FC1C182 maintains identical physical dimensions and impedance characteristics to the primary part EEU-FC1C182B, differing only in packaging format (bulk versus cut tape) and height specification (0.984" versus 1.063"). EEU-FC1C182S offers the same electrical performance but with different mechanical dimensions (larger diameter and reduced height), requiring board layout verification for compatibility.

UPJ1C182MHD from Nichicon meets all electrical equivalence criteria and maintains identical lead spacing to the primary part. However, this part carries a "Not For New Designs" status and should be considered only for legacy system support or when Panasonic alternatives are unavailable. The UPJ1C182MHD exhibits increased height (1.299" versus 1.063"), which may impact board-level integration.

For new designs, EEU-FC1C182 is the preferred substitute due to active product status and minimal dimensional variation from the primary part.

Frequently Asked Questions (FAQ)

Q: Can EEU-FC1C182S be used as a direct replacement for EEU-FC1C182B?

A: EEU-FC1C182S is electrically equivalent but has different physical dimensions. The lead spacing increases from 5.00mm to 7.50mm, and the can diameter increases from 12.50mm to 18.00mm. Board layout compatibility must be verified before substitution.

Q: What is the difference between cut tape and bulk packaging?

A: EEU-FC1C182B is supplied in cut tape (CT) packaging, while EEU-FC1C182 and EEU-FC1C182S are supplied in bulk packaging. Both formats contain identical components; packaging format affects handling, storage, and automated assembly compatibility only.

Q: Why is UPJ1C182MHD marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and support for this part number. While the component remains functionally equivalent, Panasonic alternatives with active status are preferred for new product development.

Q: Are all substitute parts AEC-Q200 rated?

A: EEU-FC1C182B and EEU-FC1C182 carry AEC-Q200 automotive ratings. EEU-FC1C182S and UPJ1C182MHD do not list AEC-Q200 certification in the provided specifications. For automotive applications requiring AEC-Q200 compliance, EEU-FC1C182 is the appropriate substitute.

Q: What is the impact of impedance variation among these parts?

A: Impedance values range from 30 mOhms (EEU-FC1C182B and EEU-FC1C182) to 39 mOhms (UPJ1C182MHD). These variations are within acceptable tolerances for general-purpose filtering applications but should be evaluated for high-frequency ripple current performance in noise-sensitive circuits.

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