UPW0J122MPD Equivalent & Substitute Parts

Part Overview

The UPW0J122MPD is a 1200 µF, 6.3 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in Nichicon's product line. The UPW series offers a 3000-hour lifetime rating at 105°C with general-purpose applications. Finding equivalent or substitute parts is necessary for ongoing maintenance, repair, and legacy system support where original stock may be unavailable.

Key Parameters

Parameter	Value
Capacitance	1200 µF
Voltage Rating	6.3 V
Tolerance	±20%
Lifetime @ 105°C	3000 Hrs
Operating Temperature Range	-55°C ~ 105°C
Polarization	Polar
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.138" (4.60mm)
Diameter	0.315" (8.00mm)
Height	0.787" (20.00mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution for the UPW0J122MPD is determined by strict equivalence across the following parameters: capacitance (1200 µF), voltage rating (6.3 V), tolerance (±20%), polarization (polar), package type (radial, can), and mounting type (through hole). Physical dimensions (lead spacing, diameter, height) and electrical characteristics (impedance, ripple current) are secondary factors that determine mechanical and thermal compatibility within a given PCB layout.

Substitute parts are grouped into three categories:

Nichicon Series Variants: UPJ0J122MPD and UPW0J122MPD6 maintain the same manufacturer and core electrical specifications while offering extended lifetime ratings (5000 hours) and improved ripple current handling. These are direct functional upgrades within the Nichicon product family.

Panasonic FC Series: EEU-FC0J122L, EEU-FC0J122, EEU-FC0J122B, EEU-FC0J122LB, and EEU-FC0J122LJ are active-status alternatives from Panasonic with AEC-Q200 automotive qualification. These parts maintain identical capacitance, voltage, and tolerance specifications with variations in lifetime rating (2000–3000 hours) and physical dimensions.

Chemi-Con LXZ Series: ELXZ6R3ELL122MJ16S and ELXZ6R3ELL122MH20D are active-status alternatives with AEC-Q200 automotive qualification, offering 3000–5000 hour lifetime ratings and improved thermal performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Lead Spacing	Diameter	Height	Impedance	Product Status	Ratings
UPW0J122MPD	Nichicon	1200 µF	6.3 V	±20%	3000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.787" (20.00mm)	65 mOhms	Not For New Designs	—
UPJ0J122MPD	Nichicon	1200 µF	6.3 V	±20%	5000 Hrs	0.197" (5.00mm)	0.394" (10.00mm)	0.846" (21.50mm)	100 mOhms	Not For New Designs	—
UPW0J122MPD6	Nichicon	1200 µF	6.3 V	±20%	5000 Hrs	0.197" (5.00mm)	0.394" (10.00mm)	0.630" (16.00mm)	68 mOhms	Not For New Designs	—
EEU-FC0J122L	Panasonic	1200 µF	6.3 V	±20%	2000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.787" (20.00mm)	65 mOhms	Active	AEC-Q200
EEU-FC0J122	Panasonic	1200 µF	6.3 V	±20%	3000 Hrs	0.197" (5.00mm)	0.394" (10.00mm)	0.630" (16.00mm)	68 mOhms	Active	AEC-Q200
EEU-FC0J122B	Panasonic	1200 µF	6.3 V	±20%	3000 Hrs	0.197" (5.00mm)	0.394" (10.00mm)	0.669" (17.00mm)	68 mOhms	Active	AEC-Q200
EEU-FC0J122LB	Panasonic	1200 µF	6.3 V	±20%	2000 Hrs	0.197" (5.00mm)	0.315" (8.00mm)	1.024" (26.00mm)	65 mOhms	Active	AEC-Q200
EEU-FC0J122LJ	Panasonic	1200 µF	6.3 V	±20%	2000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.866" (22.00mm)	65 mOhms	Active	AEC-Q200
ELXZ6R3ELL122MJ16S	Chemi-Con	1200 µF	6.3 V	±20%	5000 Hrs	0.197" (5.00mm)	0.394" (10.00mm)	0.689" (17.50mm)	68 mOhms	Active	AEC-Q200
ELXZ6R3ELL122MH20D	Chemi-Con	1200 µF	6.3 V	±20%	3000 Hrs	0.138" (4.60mm)	0.315" (8.00mm)	0.787" (20.00mm)	80 mOhms	Active	AEC-Q200

Engineering Selection Recommendations

For Direct Mechanical and Electrical Replacement: EEU-FC0J122L and ELXZ6R3ELL122MH20D match the original UPW0J122MPD in lead spacing (0.138", 4.60mm), diameter (0.315", 8.00mm), and height (0.787", 20.00mm). Both are active-status products with AEC-Q200 automotive qualification, providing superior long-term availability and compliance assurance compared to the Not For New Designs status of the original part.

For Extended Lifetime Applications: UPW0J122MPD6 and ELXZ6R3ELL122MJ16S offer 5000-hour lifetime ratings at 105°C, doubling the endurance of the original 3000-hour specification. These parts require PCB layout accommodation for larger physical dimensions (0.394" diameter, 10.00mm; 0.197" lead spacing, 5.00mm).

For General-Purpose Substitution: EEU-FC0J122 provides active-status availability with 3000-hour lifetime matching the original specification. This part requires PCB layout modification due to increased lead spacing and diameter.

For Automotive Applications: All Panasonic FC series and Chemi-Con LXZ series parts carry AEC-Q200 qualification, suitable for automotive-grade reliability requirements. Nichicon UPJ and UPW variants lack this certification.

Frequently Asked Questions (FAQ)

Q: Can UPJ0J122MPD replace UPW0J122MPD directly on the PCB?

A: No. UPJ0J122MPD has different physical dimensions: 0.197" lead spacing (vs. 0.138"), 0.394" diameter (vs. 0.315"), and 0.846" height (vs. 0.787"). PCB layout modification is required.

Q: What is the difference between EEU-FC0J122 and EEU-FC0J122B?

A: Both are Panasonic FC series with identical electrical specifications (1200 µF, 6.3 V, 3000 Hrs @ 105°C). The difference is packaging: EEU-FC0J122 is supplied in Bulk, while EEU-FC0J122B is supplied in Tape & Box (TB). Height also differs slightly: 0.630" vs. 0.669".

Q: Is ELXZ6R3ELL122MJ16S compatible with the original UPW0J122MPD footprint?

A: No. ELXZ6R3ELL122MJ16S has 0.197" lead spacing and 0.394" diameter, requiring PCB layout modification. However, it offers 5000-hour lifetime and AEC-Q200 automotive qualification.

Q: Why do some substitutes have lower ripple current ratings?

A: Ripple current capacity depends on internal construction and thermal design. Lower ripple current does not indicate incompatibility if the application current requirement is within the part's specification. Verify application requirements before selection.

Q: Can I use EEU-FC0J122LJ as a drop-in replacement?

A: EEU-FC0J122LJ matches the original lead spacing (0.138", 4.60mm) and diameter (0.315", 8.00mm) but has increased height (0.866" vs. 0.787"). Verify PCB clearance before installation. Lifetime is 2000 hours, lower than the original 3000 hours.

Q: What does AEC-Q200 qualification mean?

A: AEC-Q200 is an automotive-grade reliability standard for passive components. Parts with this rating undergo enhanced qualification testing and are suitable for automotive applications requiring higher reliability assurance.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All parts listed, including the original UPW0J122MPD, are ROHS3 compliant and REACH unaffected.

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