UPJ1H151MHD6TO Equivalent & Substitute Parts

Part Overview

The UPJ1H151MHD6TO is a 150 µF, 50 V aluminum electrolytic capacitor in radial configuration manufactured by Nichicon. This component is classified as Not For New Designs, indicating it has been superseded in the product lifecycle. Finding equivalent and substitute parts is necessary for legacy system maintenance, repair operations, and applications where design flexibility permits voltage or series upgrades within the same capacitance and mechanical envelope specifications.

Key Parameters

Parameter	Value
Capacitance	150 µF
Voltage - Rated	50 V
Tolerance	±20%
Operating Temperature Range	-55°C ~ 105°C
Lifetime @ Temperature	5000 Hrs @ 105°C
Lead Spacing	0.197" (5.00mm)
Size / Dimension	0.492" Dia (12.50mm)
Mounting Type	Through Hole
Package / Case	Radial, Can
Polarization	Polar

Substitute Part Grouping Explanation

Substitution for UPJ1H151MHD6TO is determined by the following criteria:

Direct Equivalents (Same Voltage Rating - 50 V):

UPM1H151MHD6TO: Identical electrical specifications (150 µF, 50 V, ±20%) with automotive-grade qualification (AEC-Q200). Mechanical dimensions are compatible with marginal height difference (0.669" vs 0.650"). Lower impedance (110 mOhms vs 140 mOhms) provides improved performance characteristics.

Voltage Upgrades (63 V Rating):

UPJ1J151MHD6: Same series as main part, upgraded to 63 V rating. Maintains identical mechanical footprint and capacitance. Bulk packaging.
UPJ1J151MHD6TO: Same series as main part, upgraded to 63 V rating. Maintains identical mechanical footprint and capacitance. Cut Tape packaging matches original.
UPM1J151MHD6TO: Automotive-grade equivalent with 63 V rating, AEC-Q200 qualified. Lower impedance (95 mOhms) and improved ripple current handling.

All substitutes maintain the same lead spacing (5.00mm), case diameter (12.50mm), capacitance (150 µF), tolerance (±20%), operating temperature range (-55°C ~ 105°C), and lifetime rating (5000 Hrs @ 105°C).

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance	Voltage	Tolerance	Impedance	Height (Max)	Packaging	Ratings	Applications
UPJ1H151MHD6TO	Nichicon	UPJ	150 µF	50 V	±20%	140 mOhms	0.650" (16.50mm)	Cut Tape (CT)	—	General Purpose
UPM1H151MHD6TO	Nichicon	UPM	150 µF	50 V	±20%	110 mOhms	0.669" (17.00mm)	Cut Tape (CT)	AEC-Q200	Automotive
UPJ1J151MHD6	Nichicon	UPJ	150 µF	63 V	±20%	140 mOhms	0.650" (16.50mm)	Bulk	—	General Purpose
UPJ1J151MHD6TO	Nichicon	UPJ	150 µF	63 V	±20%	140 mOhms	0.650" (16.50mm)	Cut Tape (CT)	—	General Purpose
UPM1J151MHD6TO	Nichicon	UPM	150 µF	63 V	±20%	95 mOhms	0.669" (17.00mm)	Cut Tape (CT)	AEC-Q200	Automotive

Engineering Selection Recommendations

For Direct Replacement (50 V Applications): UPM1H151MHD6TO is the primary substitute for UPJ1H151MHD6TO. Both maintain 50 V rating and 150 µF capacitance. The UPM series carries AEC-Q200 automotive qualification, providing enhanced reliability documentation. The 0.019" (0.50mm) height increase is within typical PCB layout tolerances for through-hole radial capacitors. Lower impedance (110 mOhms vs 140 mOhms) offers improved ripple current performance.

For Voltage-Upgraded Applications (63 V Designs): When circuit design permits higher voltage rating, UPJ1J151MHD6TO or UPM1J151MHD6TO provide 63 V capability while maintaining identical capacitance and mechanical compatibility. UPM1J151MHD6TO is preferred for applications requiring automotive-grade qualification (AEC-Q200) and lowest impedance (95 mOhms). UPJ1J151MHD6TO maintains the original UPJ series characteristics with standard general-purpose ratings.

Compliance Considerations: All listed substitutes are RoHS3 compliant. UPM series parts carry REACH Affected status, while UPJ series parts are REACH Unaffected. Selection should account for supply chain compliance requirements specific to the end application.

Frequently Asked Questions (FAQ)

Q: Can UPM1H151MHD6TO replace UPJ1H151MHD6TO directly? A: Yes. Both parts share identical electrical specifications (150 µF, 50 V, ±20% tolerance) and mechanical footprint (5.00mm lead spacing, 12.50mm diameter). The 0.019" height difference is within standard PCB layout margins for radial capacitors. UPM1H151MHD6TO provides improved impedance characteristics.

Q: What is the difference between 50 V and 63 V rated parts? A: The 63 V rated parts (UPJ1J151MHD6TO, UPM1J151MHD6TO) provide higher voltage headroom for the same capacitance. These are suitable for circuits designed to operate at voltages up to 63 V. The 50 V parts must not be used in applications exceeding 50 V. Capacitance and physical dimensions remain identical across both voltage ratings.

Q: Why do UPM series parts have lower impedance? A: UPM series capacitors are automotive-grade components with AEC-Q200 qualification. Lower impedance (110 mOhms at 50 V, 95 mOhms at 63 V) reflects enhanced internal construction and materials meeting automotive reliability standards. This results in better ripple current handling and reduced heat generation.

Q: Does packaging type affect electrical performance? A: No. Cut Tape (CT) and Bulk packaging contain identical components. Packaging type affects only supply format and handling. UPJ1J151MHD6 (Bulk) and UPJ1J151MHD6TO (Cut Tape) are electrically equivalent.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed parts carry RoHS3 Compliant status. However, UPM series parts are REACH Affected, while UPJ series parts are REACH Unaffected. Verify REACH compliance requirements for your specific application and supply chain.

Q: Can I use a 63 V part in a 50 V circuit? A: Yes. A 63 V rated capacitor operates safely in a 50 V circuit. The higher voltage rating provides additional safety margin. However, the reverse substitution (50 V part in a 63 V circuit) is not permitted and creates reliability risk.

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