EEU-TP1V221LB Equivalent & Substitute Parts

Part Overview

The EEU-TP1V221LB is a 220 µF, 35 V aluminum electrolytic capacitor in radial configuration manufactured by Panasonic Electronic Components. This component is rated for automotive applications with AEC-Q200 certification and offers 2000 hours lifetime at 125°C. The part is currently in active production status.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit alternative manufacturers while maintaining electrical and mechanical compatibility. The EEU-TP1V221LB has one identified substitute: the Nichicon UHE1V221MPD6, which shares the same capacitance and voltage rating but differs in physical dimensions, lifetime rating, and product status.

Key Parameters

Parameter	Value	Unit	Substitution Relevance
Capacitance	220	µF	Critical - must match exactly
Voltage Rating	35	V	Critical - must match or exceed
Tolerance	±20%	%	Critical - must match
Polarization	Polar	-	Critical - must match
Package Type	Radial, Can	-	Critical - must match for through-hole mounting
Lead Spacing	5.00	mm	Critical - must match for PCB compatibility
Mounting Type	Through Hole	-	Critical - must match
Operating Temperature Range	-40°C ~ 135°C	°C	Important - substitute must support application requirements
RoHS Status	ROHS3 Compliant	-	Important - regulatory compliance

Substitute Part Grouping Explanation

Substitution eligibility for the EEU-TP1V221LB is determined by strict adherence to the following parameters:

Critical Matching Parameters:

Capacitance value: 220 µF (exact match required)
Voltage rating: 35 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Package configuration: Radial, Can (exact match required)
Lead spacing: 5.00 mm (exact match required)
Mounting type: Through Hole (exact match required)

Acceptable Variation Parameters:

Physical dimensions (diameter and height) may vary provided the component fits within the available PCB space
Lifetime rating may differ based on application temperature conditions
Ripple current ratings may vary within acceptable operating margins
ESR values may differ if not specified as a design requirement

The Nichicon UHE1V221MPD6 meets all critical matching parameters and qualifies as a direct substitute despite differences in physical size, lifetime specification, and product status classification.

Parameter Comparison

Parameter	EEU-TP1V221LB (Panasonic)	UHE1V221MPD6 (Nichicon)	Match Status
Capacitance	220 µF	220 µF	Match
Voltage Rating	35 V	35 V	Match
Tolerance	±20%	±20%	Match
Polarization	Polar	Polar	Match
Package Type	Radial, Can	Radial, Can	Match
Lead Spacing	5.00 mm	5.00 mm	Match
Mounting Type	Through Hole	Through Hole	Match
Diameter	8.00 mm	10.00 mm	Variation - larger
Height (Seated Max)	22.00 mm	12.50 mm	Variation - shorter
Operating Temperature Range	-40°C ~ 135°C	-40°C ~ 105°C	Variation - narrower range
Lifetime @ Temperature	2000 Hrs @ 125°C	7000 Hrs @ 105°C	Variation - different conditions
Ripple Current @ 120 Hz	689 mA	605.5 mA	Variation - lower
Ripple Current @ 100 kHz	760 mA	865 mA	Variation - higher
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Match
Product Status	Active	Not For New Designs	Variation - legacy status

Engineering Selection Recommendations

Primary Component (EEU-TP1V221LB): The Panasonic EEU-TP1V221LB is the recommended choice for new designs. It carries active product status, AEC-Q200 automotive certification, and supports the full operating temperature range of -40°C to 135°C. This component is suitable for automotive applications requiring sustained high-temperature performance.

Substitute Component (UHE1V221MPD6): The Nichicon UHE1V221MPD6 is electrically and mechanically compatible as a substitute. However, the following considerations apply:

Product status is classified as "Not For New Designs," indicating this is a legacy component suitable only for replacement or repair applications
Operating temperature range is limited to -40°C to 105°C, which restricts use in high-temperature automotive environments
Physical dimensions differ: the substitute is larger in diameter (10.00 mm vs. 8.00 mm) but shorter in height (12.50 mm vs. 22.00 mm), requiring PCB layout verification
Both components maintain ROHS3 compliance

The substitute is acceptable only when the application temperature does not exceed 105°C and PCB space constraints permit the larger diameter footprint.

Frequently Asked Questions (FAQ)

Q: Can the UHE1V221MPD6 be used as a direct replacement in automotive applications?

A: The UHE1V221MPD6 is electrically compatible but has limitations. It is not recommended for new automotive designs due to its "Not For New Designs" status and reduced operating temperature range (-40°C to 105°C). Use only in repair scenarios where the application temperature remains below 105°C.

Q: What is the impact of the different physical dimensions?

A: The substitute has a larger diameter (10.00 mm vs. 8.00 mm) but is shorter (12.50 mm vs. 22.00 mm). PCB layout must be verified to confirm the larger diameter fits within available space. The reduced height may provide layout advantages in some applications.

Q: Are both components RoHS compliant?

A: Yes, both the EEU-TP1V221LB and UHE1V221MPD6 are ROHS3 compliant, meeting current environmental regulations.

Q: Why do the ripple current ratings differ between the two parts?

A: Ripple current capacity depends on internal construction and thermal design. The EEU-TP1V221LB has higher low-frequency ripple current (689 mA @ 120 Hz), while the UHE1V221MPD6 has higher high-frequency ripple current (865 mA @ 100 kHz). Application frequency characteristics determine which specification is relevant.

Q: Can I use the substitute in a design rated for 135°C operation?

A: No. The UHE1V221MPD6 maximum operating temperature is 105°C. For applications requiring operation above 105°C, the primary component EEU-TP1V221LB must be used.

Q: What does "Not For New Designs" mean for the Nichicon part?

A: This status indicates the component is in end-of-life phase and is intended only for legacy system support and repair. It should not be selected for new product development.

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