UPJ2A151MHD Equivalent & Substitute Parts

Part Overview

The UPJ2A151MHD is a 150 µF, 100 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has reached end-of-life status. The UPJ series provides general-purpose energy storage with a 5000-hour lifetime rating at 105°C. Due to its discontinued design status, equivalent and substitute parts from active product lines or alternative manufacturers are necessary for ongoing system support and new production requirements.

Key Parameters

Parameter	Value
Capacitance	150 µF
Voltage Rating	100 V
Tolerance	±20%
Lifetime @ 105°C	5000 Hrs
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Mounting Type	Through Hole
Lead Spacing	0.197" (5.00mm)
Package Type	Radial, Can
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the UPJ2A151MHD is determined by strict equivalence in the following electrical and mechanical parameters:

Primary Substitution Criteria:

Capacitance: 150 µF (exact match required)
Voltage Rating: 100 V (exact match required)
Tolerance: ±20% (exact match required)
Polarization: Polar (exact match required)
Mounting Type: Through Hole (exact match required)
Package Type: Radial, Can (exact match required)

Secondary Compatibility Parameters:

Lead Spacing: 0.197" (5.00mm) or 0.295" (7.50mm) acceptable with PCB layout verification
Operating Temperature Range: -55°C ~ 105°C (minimum requirement)
Lifetime @ 105°C: 5000 Hrs or greater acceptable
RoHS Status: ROHS3 Compliant (required)

Substitutes are grouped into two categories based on lead spacing: standard 5.00mm pitch parts and larger 7.50mm pitch variants. Parts with identical electrical specifications but different physical dimensions require PCB footprint verification before implementation.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Height (Max)	Impedance	Product Status	Packaging
UPJ2A151MHD	Nichicon	UPJ	150 µF	100 V	±20%	5000 Hrs	0.197" (5.00mm)	1.043" (26.50mm)	110 mOhms	Not For New Designs	Bulk
UPJ2A151MHD1TO	Nichicon	UPJ	150 µF	100 V	±20%	5000 Hrs	0.197" (5.00mm)	1.043" (26.50mm)	110 mOhms	Not For New Designs	Cut Tape (CT)
UPJ2A151MHD6	Nichicon	UPJ	150 µF	100 V	±20%	5000 Hrs	0.295" (7.50mm)	0.650" (16.50mm)	120 mOhms	Not For New Designs	Bulk
UPM2A151MHD	Nichicon	UPM	150 µF	100 V	±20%	5000 Hrs	0.197" (5.00mm)	1.063" (27.00mm)	110 mOhms	Not For New Designs	Bulk
UPM2A151MHD6	Nichicon	UPM	150 µF	100 V	±20%	5000 Hrs	0.295" (7.50mm)	0.669" (17.00mm)	120 mOhms	Not For New Designs	Bulk
UPS2A151MHD	Nichicon	UPS	150 µF	100 V	±20%	3000 Hrs	0.197" (5.00mm)	1.063" (27.00mm)	130 mOhms	Not For New Designs	Bulk
UPW2A151MHD	Nichicon	UPW	150 µF	100 V	±20%	7000 Hrs	0.197" (5.00mm)	0.984" (25.00mm)	130 mOhms	Not For New Designs	Bulk
EEU-FC2A151	Panasonic Electronic Components	FC	150 µF	100 V	±20%	5000 Hrs	0.197" (5.00mm)	0.984" (25.00mm)	110 mOhms	Active	Bulk
EEU-FC2A151B	Panasonic Electronic Components	FC	150 µF	100 V	±20%	5000 Hrs	0.197" (5.00mm)	1.063" (27.00mm)	110 mOhms	Active	Tape & Box (TB)
EEU-FC2A151S	Panasonic Electronic Components	FC	150 µF	100 V	±20%	5000 Hrs	0.295" (7.50mm)	0.591" (15.00mm)	120 mOhms	Active	Bulk
EEU-FC2A151SB	Panasonic Electronic Components	FC	150 µF	100 V	±20%	5000 Hrs	0.295" (7.50mm)	0.650" (16.50mm)	120 mOhms	Active	Tape & Box (TB)

Engineering Selection Recommendations

For Direct Replacement (Same Lead Spacing 5.00mm):

UPJ2A151MHD1TO provides identical electrical and mechanical specifications with Cut Tape packaging, suitable for automated assembly processes. UPW2A151MHD offers extended lifetime (7000 Hrs @ 105°C) within the same footprint, providing enhanced reliability for applications requiring longer operational life.

For Active Product Line Substitution:

EEU-FC2A151 and EEU-FC2A151B (Panasonic) are active products with AEC-Q200 automotive qualification. These parts maintain electrical equivalence with the original UPJ2A151MHD while offering current manufacturing support and extended product availability. EEU-FC2A151 is available in bulk packaging; EEU-FC2A151B is supplied in Tape & Box format for production environments.

For Larger Footprint Compatibility (7.50mm Lead Spacing):

UPJ2A151MHD6, UPM2A151MHD6, EEU-FC2A151S, and EEU-FC2A151SB are electrically equivalent with increased lead spacing. These variants require PCB layout modification and are suitable only when space constraints permit larger component placement.

Automotive Applications:

UPM2A151MHD and UPM2A151MHD6 (Nichicon) carry AEC-Q200 certification. EEU-FC2A151, EEU-FC2A151B, EEU-FC2A151S, and EEU-FC2A151SB (Panasonic) also provide AEC-Q200 qualification for automotive-grade applications.

Lifetime Considerations:

UPS2A151MHD provides reduced lifetime (3000 Hrs @ 105°C) and should be selected only when application duty cycle permits. UPW2A151MHD offers superior lifetime (7000 Hrs @ 105°C) for extended-life applications.

Frequently Asked Questions (FAQ)

Q: Can UPJ2A151MHD6 replace UPJ2A151MHD directly on the PCB?

A: No. UPJ2A151MHD6 has 7.50mm lead spacing versus the original 5.00mm pitch. PCB footprint modification is required. Verify pad spacing and component clearance before substitution.

Q: What is the difference between Nichicon UPJ, UPM, and UPS series?

A: All three series share identical electrical specifications (150 µF, 100 V, ±20%, 5000 Hrs @ 105°C). UPM series includes AEC-Q200 automotive qualification. UPS series has reduced lifetime (3000 Hrs @ 105°C). UPJ is general-purpose. Selection depends on application requirements and compliance needs.

Q: Are Panasonic EEU-FC parts compatible with Nichicon UPJ parts?

A: Yes, electrically and mechanically. EEU-FC2A151 and EEU-FC2A151B match the 5.00mm lead spacing of UPJ2A151MHD. Both manufacturers' parts meet ROHS3 compliance and share identical capacitance, voltage, and tolerance specifications. EEU-FC parts are active products with current manufacturing support.

Q: What does "Not For New Designs" mean for the UPJ2A151MHD?

A: This designation indicates the part has reached end-of-life status and is no longer recommended for new product development. Existing inventory may be available, but long-term supply is not guaranteed. Active alternatives such as EEU-FC2A151 or UPW2A151MHD should be selected for new designs.

Q: Can UPS2A151MHD be used as a substitute despite lower lifetime rating?

A: UPS2A151MHD has 3000 Hrs @ 105°C lifetime versus the original 5000 Hrs. Substitution is acceptable only if application duty cycle and thermal stress profile permit reduced operational life. Thermal analysis is required to confirm suitability.

Q: What is the difference between bulk and Cut Tape packaging?

A: Bulk packaging is suitable for manual assembly and low-volume applications. Cut Tape (CT) packaging is optimized for automated pick-and-place assembly in production environments. Electrical specifications are identical; packaging selection depends on assembly process requirements.

Q: Are there height restrictions when selecting between 5.00mm and 7.50mm lead spacing variants?

A: Yes. The 5.00mm pitch variants range from 0.984" to 1.063" height. The 7.50mm pitch variants range from 0.591" to 0.669" height. PCB clearance, component density, and thermal management requirements must be evaluated before selecting larger-footprint parts.

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