Equivalent & Substitute Parts for 158CKH035M

Part Overview

The Cornell Dubilier 158CKH035M is a 1500 µF, 35 V aluminum electrolytic capacitor in radial, can package configuration. This component is classified as Active product status and is designed for general-purpose applications requiring polarized capacitive energy storage. The part is ROHS3 compliant and suitable for through-hole mounting in standard PCB layouts.

Substitute parts are necessary when the original manufacturer part becomes unavailable, when design requirements demand extended operational lifetime, when enhanced ripple current handling is required, or when upgraded temperature ratings are specified for automotive or high-reliability applications.

Key Parameters

Parameter	Value	Unit	Significance for Substitution
Capacitance	1500	µF	Must match exactly for circuit function
Voltage Rating	35	V	Must match or exceed; determines electrical safety margin
Tolerance	±20%	%	Must match for circuit performance specifications
Polarization	Polar	—	Must remain polar; determines circuit orientation requirements
Package Type	Radial, Can	—	Must match for PCB footprint compatibility
Lead Spacing	0.295" (7.50mm)	inches (mm)	Must match for through-hole mounting alignment
Size / Dimension	0.630" Dia (16.00mm)	inches (mm)	Must match for mechanical clearance in enclosure
Mounting Type	Through Hole	—	Must match for assembly process compatibility
Operating Temperature Range	-40°C ~ 105°C	°C	Substitute must cover or exceed this range
Lifetime @ Temperature	2000 Hrs @ 105°C	Hours	Determines component reliability and service life
RoHS Status	ROHS3 Compliant	—	Must maintain compliance for regulated markets

Substitute Part Grouping Explanation

Substitution logic for the 158CKH035M is based on strict electrical and mechanical parameter matching. All substitute parts must satisfy the following mandatory criteria:

Electrical Requirements:

Capacitance: 1500 µF (exact match)
Voltage Rating: 35 V (minimum; higher ratings acceptable)
Tolerance: ±20% (exact match)
Polarization: Polar (required for circuit orientation)

Mechanical Requirements:

Package Type: Radial, Can (exact match)
Lead Spacing: 0.295" (7.50mm) (exact match)
Diameter: 0.630" (16.00mm) (exact match)
Mounting Type: Through Hole (exact match)

Environmental & Compliance Requirements:

Operating Temperature Range: Must cover -40°C to 105°C minimum
RoHS Status: ROHS3 Compliant (required)
REACH Status: REACH Unaffected (required)

Performance Characteristics:

Lifetime @ 105°C: 2000 hours minimum (higher values indicate improved reliability)
Ripple Current Capability: Higher values indicate superior performance under AC stress conditions

Substitute parts are grouped into two categories: Direct Substitutes (equivalent performance characteristics) and Upgrade Substitutes (enhanced performance or extended temperature ratings).

Parameter Comparison

Parameter	158CKH035M (Cornell Dubilier)	35ZLH1500MEFC16X20 (Rubycon)	35ZLJ1500M16X20 (Rubycon)	ESH158M035AM7AA (KEMET)	UHW1V152MHD (Nichicon)	EEU-TP1V152 (Panasonic)	UPS1V152MHD (Nichicon)
Capacitance	1500 µF	1500 µF	1500 µF	1500 µF	1500 µF	1500 µF	1500 µF
Voltage Rating	35 V	35 V	35 V	35 V	35 V	35 V	35 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%	±20%
Polarization	Polar	Polar	Polar	Polar	Polar	Polar	Polar
Package Type	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Lead Spacing	0.295" (7.50mm)	0.295" (7.50mm)	0.295" (7.50mm)	0.295" (7.50mm)	0.295" (7.50mm)	0.295" (7.50mm)	0.295" (7.50mm)
Diameter	0.630" (16.00mm)	0.630" (16.00mm)	0.630" (16.00mm)	0.630" (16.00mm)	0.630" (16.00mm)	0.630" (16.00mm)	0.630" (16.00mm)
Height (Max)	1.043" (26.50mm)	0.866" (22.00mm)	0.866" (22.00mm)	1.063" (27.00mm)	0.866" (22.00mm)	1.063" (27.00mm)	1.063" (27.00mm)
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Operating Temperature	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 105°C	-40°C ~ 135°C	-55°C ~ 105°C
Lifetime @ 105°C	2000 Hrs	10000 Hrs	10000 Hrs	2000 Hrs	10000 Hrs	5000 Hrs @ 125°C	3000 Hrs
ESR @ 120Hz	154.7 mOhms	—	—	—	—	—	—
Impedance	—	15 mOhms	21 mOhms	—	14 mOhms	—	38 mOhms
Ripple Current @ 120Hz	1.14 A	1.95 A	1.998 A	1.11 A	2.145 A	2.208 A	1.653 A
Ripple Current @ 100kHz	1.596 A	3.25 A	3.33 A	—	3.575 A	2.3 A	1.9 A
Product Status	Active	Active	Active	Active	Not For New Designs	Active	Not For New Designs
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Substitutes (Equivalent Performance):

The 35ZLH1500MEFC16X20 and 35ZLJ1500M16X20 (both Rubycon) are direct substitutes with identical electrical specifications and mechanical compatibility. Both parts offer extended lifetime (10000 hours @ 105°C versus 2000 hours for the original), reduced height (22.00mm versus 26.50mm), and superior ripple current handling. These parts are Active status and suitable for new designs.

The ESH158M035AM7AA (KEMET) is a direct substitute with matching lifetime (2000 hours @ 105°C) and identical electrical parameters. Height is slightly increased (27.00mm). This part is Active status and suitable for new designs.

Upgrade Substitutes (Enhanced Performance):

The EEU-TP1V152 (Panasonic) is an upgrade substitute offering extended operating temperature range (-40°C to 135°C), extended lifetime (5000 hours @ 125°C), and AEC-Q200 automotive qualification. This part is Active status and suitable for automotive and high-reliability applications requiring enhanced temperature performance.

Legacy/Obsolescence Substitutes (Not Recommended for New Designs):

The UHW1V152MHD (Nichicon) and UPS1V152MHD (Nichicon) are marked as "Not For New Designs." While these parts offer extended lifetime (10000 hours and 3000 hours respectively) and superior ripple current handling, their obsolescence status restricts their use to legacy system maintenance and repair applications only.

Selection Criteria:

For new designs requiring direct replacement with improved reliability, select 35ZLH1500MEFC16X20 or 35ZLJ1500M16X20. For automotive applications or systems requiring extended temperature operation, select EEU-TP1V152. For legacy system maintenance where original part is unavailable, ESH158M035AM7AA provides equivalent performance with Active status.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 158CKH035M with a part having a different capacitance value?

A: No. The capacitance value of 1500 µF is a critical electrical parameter that determines circuit function. Substitutes must have exactly 1500 µF capacitance. Deviations will alter circuit behavior and performance.

Q: What is the significance of the ±20% tolerance specification?

A: The ±20% tolerance indicates the acceptable range of actual capacitance values (1200 µF to 1800 µF). All substitute parts must maintain this same tolerance specification to ensure circuit performance consistency. Substitute parts with different tolerance ratings are not acceptable.

Q: Can I use a 50V-rated capacitor as a substitute for the 35V-rated 158CKH035M?

A: Yes, a higher voltage rating is acceptable and provides additional electrical safety margin. However, the physical dimensions and package size may differ. Verify that the substitute part maintains identical lead spacing (0.295" / 7.50mm), diameter (0.630" / 16.00mm), and mounting type (through-hole radial) to ensure PCB compatibility.

Q: Why do some substitute parts have different heights?

A: Height variation occurs due to different internal construction and winding techniques among manufacturers. The 158CKH035M has a maximum seated height of 1.043" (26.50mm). Substitute parts with reduced height (22.00mm) offer improved mechanical clearance in space-constrained designs. Substitute parts with increased height (27.00mm) require verification of available vertical clearance in the enclosure.

Q: What does "Not For New Designs" status mean?

A: This designation indicates that the manufacturer has discontinued or is phasing out the product line. While these parts may still be available in inventory, they are not recommended for new circuit designs. Use these parts only for maintenance and repair of existing systems. For new designs, select parts with Active status.

Q: How does lifetime at temperature affect component selection?

A: Lifetime specification (measured in hours at a specified temperature) indicates the expected operational duration before capacitance degradation reaches 20% of the initial value. The 158CKH035M specifies 2000 hours @ 105°C. Substitute parts with extended lifetime (10000 hours) provide longer service life and improved reliability in continuous-operation applications. Selection depends on the required system operational life.

Q: What is the difference between ESR and Impedance specifications?

A: ESR (Equivalent Series Resistance) and Impedance are related but distinct parameters. ESR is measured at a specific frequency (120Hz for the 158CKH035M). Impedance is a broader measure of total opposition to current flow. Lower values indicate better performance under AC ripple current conditions. When comparing substitute parts, lower impedance values indicate superior high-frequency ripple current handling capability.

Q: Can I substitute the 158CKH035M with a surface-mount capacitor?

A: No. The 158CKH035M is specified as through-hole radial package. Surface-mount alternatives have different lead configurations, footprints, and mounting requirements. Through-hole and surface-mount packages are not interchangeable without PCB redesign.

Q: Why is RoHS3 compliance important for substitution?

A: RoHS3 compliance ensures that the component meets regulatory requirements for restricted hazardous substances in regulated markets (EU and others). All substitute parts must maintain ROHS3 Compliant status to ensure legal compliance and market acceptance. Non-compliant substitutes may create regulatory and liability issues.

Q: What does "Ripple Current" specification indicate?

A: Ripple current is the maximum AC current the capacitor can handle without exceeding temperature limits. Higher ripple current ratings indicate the capacitor can operate in higher-stress AC environments. The 158CKH035M specifies 1.14 A @ 120Hz and 1.596 A @ 100kHz. Substitute parts with higher ripple current ratings provide better performance in switching power supplies and other high-frequency applications.

Q: Are all substitute parts available in the same packaging quantity?

A: No. Packaging quantities vary by manufacturer and distributor. The 158CKH035M is available in bulk packaging with 748 pieces in stock. Substitute parts have different inventory levels (ranging from 701 to 5259 pieces). Verify availability and minimum order quantities with your component supplier before finalizing substitution decisions.

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