EEE-FC1E221P Equivalent & Substitute Parts

Part Overview

The EEE-FC1E221P is a 220 µF, 25 V aluminum electrolytic capacitor in surface mount radial can package, rated for 1000 hours at 105°C with AEC-Q200 automotive qualification. This part carries a "Not For New Designs" status, indicating it has been superseded in Panasonic's product portfolio. Identifying equivalent and substitute parts is necessary for design continuity, inventory management, and sourcing optimization when the original part becomes unavailable or when design requirements necessitate enhanced performance characteristics.

Key Parameters

Parameter	Value
Capacitance	220 µF
Voltage Rating	25 V
Tolerance	±20%
Lifetime @ 105°C	1000 Hrs
Operating Temperature Range	-40°C ~ 105°C
Polarization	Polar
Package Type	Radial, Can - SMD
Mounting Type	Surface Mount
Physical Size	0.394" Dia (10.00mm)
Height	0.402" (10.20mm)
Land Size	0.406" L x 0.406" W (10.30mm x 10.30mm)
Ratings	AEC-Q200
RoHS Status	RoHS Compliant

Substitute Part Grouping Explanation

Substitution of the EEE-FC1E221P is determined by the following criteria:

Direct Electrical Equivalents (Same Capacitance, Voltage, Tolerance): Parts maintaining 220 µF capacitance, 25 V voltage rating, and ±20% tolerance with identical physical dimensions and mounting footprint are considered direct substitutes. These include EEE-FC1E221AP, which shares all electrical and mechanical specifications with enhanced high-temperature reflow capability.

Voltage-Upgraded Substitutes (Higher Voltage Rating): Parts with 35 V or 50 V ratings (EEE-FC1V221P, EEE-FC1H221P, EEE-FK1H221GP, EEE-FK1H221P, EEE-FP1H221AP, EEE-HA1H221P, EEE-HAH221UAP) maintain the same 220 µF capacitance and ±20% tolerance while providing increased voltage margin. These are suitable for applications where the original 25 V specification can accommodate higher-rated components without circuit modification.

Enhanced Lifetime Substitutes: Parts from the FK and FP series (EEE-FK1H221GP, EEE-FK1H221P, EEE-FP1H221AP) offer 2000 hours lifetime at 105°C compared to the original 1000 hours, providing extended operational reliability while maintaining automotive AEC-Q200 qualification.

Active vs. Obsolete Status: EEE-FK1H221GP, EEE-FK1H221P, EEE-FP1H221AP, and EEE-HAH221UAP carry "Active" product status, ensuring long-term availability and supply chain continuity compared to the "Not For New Designs" designation of the original part.

Parameter Comparison

Part Number	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Operating Temp Range	Impedance	Product Status	Series
EEE-FC1E221P	220 µF	25 V	±20%	1000 Hrs	-40°C ~ 105°C	150 mOhms	Not For New Designs	FC
EEE-FC1E221AP	220 µF	25 V	±20%	1000 Hrs	-40°C ~ 105°C	150 mOhms	Not For New Designs	FC
EEE-FC1V221P	220 µF	35 V	±20%	1000 Hrs	-40°C ~ 105°C	150 mOhms	Not For New Designs	FC
EEE-FC1H221P	220 µF	50 V	±20%	1000 Hrs	-40°C ~ 105°C	300 mOhms	Not For New Designs	FC
EEE-FK1H221GP	220 µF	50 V	±20%	2000 Hrs	-55°C ~ 105°C	180 mOhms	Active	FK
EEE-FK1H221P	220 µF	50 V	±20%	2000 Hrs	-55°C ~ 105°C	180 mOhms	Active	FK
EEE-FP1H221AP	220 µF	50 V	±20%	2000 Hrs	-55°C ~ 105°C	120 mOhms	Active	FP
EEE-HA1H221P	220 µF	50 V	±20%	1000 Hrs	-40°C ~ 105°C	—	Not For New Designs	HA
EEE-HA1V221AP	220 µF	35 V	±20%	1000 Hrs	-40°C ~ 105°C	—	Not For New Designs	HA
EEE-HA1V221P	220 µF	35 V	±20%	1000 Hrs	-40°C ~ 105°C	—	Not For New Designs	HA
EEE-HAH221UAP	220 µF	50 V	±20%	1000 Hrs	-40°C ~ 105°C	—	Active	HA

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specification): EEE-FC1E221AP is the closest equivalent to EEE-FC1E221P, maintaining identical capacitance, voltage, tolerance, and lifetime specifications. Both parts carry "Not For New Designs" status, so this substitution is suitable only for legacy design maintenance or inventory depletion.

For New Designs and Long-Term Availability: EEE-FK1H221GP or EEE-FK1H221P are recommended as primary alternatives. Both are Active status parts with 50 V rating (providing 2× voltage margin over the original 25 V specification), 2000-hour lifetime at 105°C (2× improvement), and full AEC-Q200 automotive qualification. The 50 V rating ensures compatibility with circuits designed for 25 V operation while providing enhanced reliability margin.

For Superior Performance Characteristics: EEE-FP1H221AP offers the lowest impedance (120 mOhms) among all substitutes, combined with Active product status, 2000-hour lifetime, and 50 V rating. This part is optimal for applications requiring low ESR performance and maximum supply chain continuity.

For Voltage-Constrained Applications: EEE-FC1V221P or EEE-HA1V221AP provide 35 V rating as an intermediate upgrade path, maintaining 1000-hour lifetime while offering increased voltage margin without the full 50 V specification.

Compliance Considerations: All listed substitutes maintain AEC-Q200 automotive qualification and RoHS compliance. EEE-FK1H221GP, EEE-FK1H221P, EEE-FP1H221AP, and EEE-HAH221UAP carry ROHS3 compliance, representing the latest regulatory standard.

Frequently Asked Questions (FAQ)

Q: Can EEE-FC1E221AP be used as a direct drop-in replacement for EEE-FC1E221P? A: Yes. EEE-FC1E221AP shares identical electrical specifications (220 µF, 25 V, ±20% tolerance), lifetime rating (1000 Hrs @ 105°C), physical dimensions, and mounting footprint. No circuit modification is required.

Q: Why would I choose a 50 V rated part instead of the original 25 V specification? A: Higher voltage-rated capacitors provide increased safety margin against voltage transients and overshoot conditions common in automotive applications. A 50 V part operating at 25 V experiences lower stress and typically exhibits longer operational life. The physical dimensions and mounting footprint remain identical, enabling direct PCB compatibility.

Q: What is the difference between FK and FP series substitutes? A: Both FK and FP series offer 2000-hour lifetime at 105°C and Active product status. EEE-FP1H221AP features lower impedance (120 mOhms vs. 180 mOhms in FK series) and higher ripple current capability (900 mA @ 100 kHz vs. 670 mA), making it suitable for applications with stringent ESR requirements.

Q: Are all substitute parts compatible with the original PCB footprint? A: Yes. All listed substitutes maintain the same physical dimensions (0.394" diameter, 10.00mm), height specifications (0.402" to 0.413"), and surface mount land size (0.406" L x 0.406" W / 10.30mm x 10.30mm). PCB layout modification is not required.

Q: What does "Not For New Designs" status mean? A: This designation indicates the part has been superseded in Panasonic's active product line. While existing inventory may be available, the manufacturer does not recommend these parts for new circuit designs. Active status parts (FK, FP, HAH series) should be prioritized for new development to ensure long-term supply availability.

Q: Can I use EEE-HA series parts as substitutes? A: EEE-HA1H221P and EEE-HA1V221AP are functional equivalents with identical electrical specifications to the original part. However, EEE-HAH221UAP (Active status, 50 V) is preferred for new designs. HA series parts without the "H" suffix designation carry "Not For New Designs" status.

Q: What packaging options are available? A: EEE-FC1E221P is supplied in Tape & Reel (TR) packaging. EEE-FK1H221P and EEE-FP1H221AP are available in Cut Tape (CT) & Digi-Reel® packaging. Verify packaging compatibility with your procurement and assembly processes before selection.

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