Equivalent & Substitute Parts for 158LMU063M2CC

Part Overview

The 158LMU063M2CC is a 1500 µF, 63 V aluminum electrolytic capacitor manufactured by Cornell Dubilier / Illinois Capacitor in the LMU series. This component is classified as obsolete, with 963 pieces currently in stock. The part features a radial, can snap-in package with through-hole mounting, designed for general-purpose applications requiring 2000 hours of operational life at 105°C.

Due to the obsolete status of the 158LMU063M2CC, equivalent and substitute parts from active manufacturers are necessary to ensure long-term component availability and supply chain continuity. The substitute parts listed maintain the core electrical and mechanical specifications while offering improved product status and compliance certifications.

Key Parameters

Parameter	Value	Unit
Capacitance	1500	µF
Voltage - Rated	63 / 80	V
Tolerance	±20%	—
Operating Temperature Range	-40 to 105	°C
Lifetime @ 105°C	2000 / 3000 / 5000	Hrs
Lead Spacing	0.394 (10.00)	in (mm)
Package / Case	Radial, Can - Snap-In	—
Mounting Type	Through Hole	—
Polarization	Polar	—

Substitute Part Grouping Explanation

Substitution of the 158LMU063M2CC is determined by the following critical parameters:

Primary Substitution Criteria:

Capacitance: 1500 µF (exact match required)
Voltage Rating: 63 V (direct equivalent) or 80 V (upgrade)
Tolerance: ±20% (exact match required)
Package / Case: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Mounting Type: Through Hole (exact match required)
Operating Temperature: -40°C to 105°C (exact match required)
Polarization: Polar (exact match required)

Secondary Substitution Criteria:

Lifetime @ 105°C: 2000 hours (minimum acceptable); 3000 or 5000 hours (enhanced performance)
ESR (Equivalent Series Resistance): Lower values indicate improved performance
Ripple Current Ratings: Higher values indicate enhanced capability

Substitute parts are grouped into two categories:

Direct Equivalents (63 V Rating): Parts maintaining the original 63 V voltage specification with identical or superior lifetime ratings. These include B41252B8158M (EPCOS - TDK Electronics), 63VXG1500MEFC25X25 (Rubycon), LGU1J152MELA (Nichicon), and LGY1J152MELA25 (Nichicon).

Upgrade Equivalents (80 V Rating): Parts with elevated voltage rating (80 V) that provide backward compatibility with 63 V applications while offering enhanced voltage margin. These include 381LQ152M080J012 (Cornell Dubilier Electronics), LGU1K152MELA (Nichicon), and LGY1K152MELA25 (Nichicon).

Similar Specification Parts: SLP152M080C1P3 (Cornell Dubilier Electronics) maintains 80 V rating with comparable electrical performance but reduced seated height (0.984" vs. 1.063").

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance (µF)	Voltage (V)	Tolerance	Lifetime @ 105°C (Hrs)	ESR @ 120Hz (mOhm)	Ripple Current @ 120Hz (A)	Product Status	RoHS Status
158LMU063M2CC	Cornell Dubilier / Illinois Capacitor	1500	63	±20%	2000	165.79	1.4	Obsolete	—
B41252B8158M	EPCOS - TDK Electronics	1500	63	±20%	2000	—	1.54	Active	ROHS3 Compliant
381LQ152M080J012	Cornell Dubilier Electronics (CDE)	1500	80	±20%	2000	188	1.7	Active	ROHS3 Compliant
63VXG1500MEFC25X25	Rubycon	1500	63	±20%	5000	—	1.38	Active	ROHS3 Compliant
LGU1J152MELA	Nichicon	1500	63	±20%	3000	—	1.44	Active	ROHS3 Compliant
LGU1K152MELA	Nichicon	1500	80	±20%	3000	—	1.62	Active	ROHS3 Compliant
LGY1J152MELA25	Nichicon	1500	63	±20%	5000	—	1.5	Active	ROHS3 Compliant
LGY1K152MELA25	Nichicon	1500	80	±20%	5000	—	1.6	Active	ROHS3 Compliant
SLP152M080C1P3	Cornell Dubilier Electronics (CDE)	1500	80	±20%	3000	221	1.59	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (63 V Applications):

B41252B8158M (EPCOS - TDK Electronics) provides the closest functional equivalent to the 158LMU063M2CC. Both parts maintain 63 V rating, ±20% tolerance, 2000-hour lifetime at 105°C, and identical lead spacing and package configuration. B41252B8158M is active in production and ROHS3 compliant, eliminating supply chain risk associated with the obsolete 158LMU063M2CC.

63VXG1500MEFC25X25 (Rubycon) offers extended operational life (5000 hours at 105°C) while maintaining 63 V rating and identical mechanical specifications. This part is suitable for applications requiring enhanced reliability margins. Rubycon VXG series components are ROHS3 compliant and widely available.

For Voltage-Upgraded Applications (80 V Tolerance Required):

381LQ152M080J012 (Cornell Dubilier Electronics) maintains the original manufacturer lineage while providing 80 V rating and active product status. This part is ROHS3 compliant and suitable for applications where voltage margin enhancement is acceptable.

LGU1K152MELA (Nichicon) provides 80 V rating with 3000-hour lifetime at 105°C. Nichicon LGU series components are ROHS3 compliant and offer consistent performance across industrial applications.

LGY1K152MELA25 (Nichicon) combines 80 V rating with extended 5000-hour lifetime at 105°C, providing maximum reliability for demanding applications. This part is ROHS3 compliant and represents the highest performance option in the 80 V category.

For Space-Constrained Applications:

SLP152M080C1P3 (Cornell Dubilier Electronics) maintains 80 V rating and 1500 µF capacitance with reduced seated height (0.984" vs. 1.063"). This part is suitable only for applications where the reduced height is compatible with PCB layout requirements. ROHS3 compliance is confirmed.

All recommended substitute parts maintain the required operating temperature range (-40°C to 105°C), polarization (polar), and through-hole mounting configuration. Selection should be based on voltage requirement compatibility, desired operational lifetime, and compliance certifications required by the end application.

Frequently Asked Questions (FAQ)

Q: Can I use an 80 V rated capacitor in place of a 63 V rated capacitor?

A: Yes. An 80 V rated capacitor is electrically compatible with a 63 V application. The higher voltage rating provides additional safety margin and does not degrade performance in lower-voltage circuits. All mechanical and electrical parameters (capacitance, tolerance, package, lead spacing) must remain identical.

Q: What is the significance of the lifetime rating (2000 vs. 3000 vs. 5000 hours at 105°C)?

A: Lifetime rating indicates the expected operational duration at maximum rated temperature (105°C) before capacitance degradation reaches the tolerance limit. Higher lifetime ratings indicate superior long-term reliability. Parts with 5000-hour ratings are suitable for applications requiring extended service life or operation in high-temperature environments.

Q: Are all substitute parts RoHS3 compliant?

A: All active substitute parts listed are ROHS3 compliant. The original 158LMU063M2CC does not specify RoHS status due to its obsolete classification. RoHS3 compliance is a standard requirement for new component procurement in most industrial and commercial applications.

Q: What is ESR (Equivalent Series Resistance) and why does it matter?

A: ESR represents the internal resistance of the capacitor at a specified frequency (120 Hz in this case). Lower ESR values indicate better high-frequency performance and reduced heat generation under ripple current conditions. ESR is particularly important in power supply and filtering applications. When ESR data is not provided by the manufacturer, parts are considered functionally equivalent if all other parameters match.

Q: Can I substitute a capacitor with reduced seated height (SLP152M080C1P3)?

A: The SLP152M080C1P3 has a seated height of 0.984" compared to the standard 1.063". This part is mechanically compatible only if your PCB layout and enclosure accommodate the reduced height. Verify clearance before substitution. All other mechanical parameters (lead spacing, diameter) remain identical.

Q: What is the difference between "Direct Equivalent" and "Upgrade Equivalent" parts?

A: Direct equivalents maintain the original 63 V voltage rating and are suitable for direct replacement without circuit modification. Upgrade equivalents feature 80 V rating and provide enhanced voltage margin; they are backward compatible with 63 V applications but should be selected only when voltage margin improvement is acceptable or required by design specifications.

Q: Are there inventory considerations when selecting a substitute?

A: Yes. Inventory levels vary significantly among substitute parts. 63VXG1500MEFC25X25 (Rubycon) has the highest inventory (273,882 pieces), ensuring long-term availability. Parts with lower inventory may face future supply constraints. Verify current inventory status with your component supplier before final selection.

Q: What certifications should I verify before selecting a substitute?

A: Verify ROHS3 compliance and REACH status for your application requirements. All active substitute parts listed are ROHS3 compliant and REACH unaffected. Confirm ECCN classification (all parts are EAR99) and HTSUS code (8532.22.0040) for export or procurement compliance if applicable.

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