127KXM016M Equivalent & Substitute Parts

Part Overview

The 127KXM016M is a 120 µF, 16 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier / Illinois Capacitor. This component is currently active in production. Finding substitute parts is necessary to address supply chain variability, lead time constraints, and design flexibility across manufacturing environments where equivalent electrical and mechanical characteristics must be maintained.

Key Parameters

Parameter	Specification
Capacitance	120 µF
Voltage Rating	16 V
Tolerance	±20%
Polarization	Polar
Package Type	Radial, Can
Lead Spacing	0.098" (2.50 mm)
Case Diameter	0.248" (6.30 mm)
Height (Seated Max)	0.492" (12.50 mm)
Mounting Type	Through Hole
Operating Temperature Range	-55°C to 105°C
Lifetime @ Temperature	2000 Hrs @ 105°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 127KXM016M are selected based on electrical and mechanical parameter compatibility. The following criteria determine valid substitution:

Electrical Parameters (Must Match or Exceed):

Capacitance: 120 µF
Voltage Rating: 16 V minimum
Tolerance: ±20%
Polarization: Polar
Operating Temperature Range: -55°C to 105°C minimum
Lifetime @ Temperature: 2000 Hrs @ 105°C minimum

Mechanical Parameters (Must Match):

Package Type: Radial, Can
Lead Spacing: 0.098" (2.50 mm)
Case Diameter: 0.248" (6.30 mm)
Mounting Type: Through Hole

Compliance (Must Match):

RoHS Status: ROHS3 Compliant

The identified substitute parts meet these criteria across all mandatory parameters, enabling direct replacement in existing PCB designs without layout modifications.

Parameter Comparison

Parameter	127KXM016M (Cornell Dubilier)	UPJ1C121MED (Nichicon)	UPM1C121MED (Nichicon)
Capacitance	120 µF	120 µF	120 µF
Voltage Rating	16 V	16 V	16 V
Tolerance	±20%	±20%	±20%
ESR @ 120 Hz	2.2105 Ohm	—	—
Impedance	410 mOhms	450 mOhms	290 mOhms
Ripple Current @ 120 Hz	162 mA	195 mA	195 mA
Ripple Current @ 10 kHz / 100 kHz	405 mA @ 100 kHz	290 mA @ 10 kHz	290 mA @ 10 kHz
Lifetime @ 105°C	2000 Hrs	2000 Hrs	2000 Hrs
Operating Temperature	-55°C to 105°C	-55°C to 105°C	-55°C to 105°C
Lead Spacing	0.098" (2.50 mm)	0.098" (2.50 mm)	0.098" (2.50 mm)
Case Diameter	0.248" (6.30 mm)	0.248" (6.30 mm)	0.248" (6.30 mm)
Height (Seated Max)	0.492" (12.50 mm)	0.472" (12.00 mm)	0.492" (12.50 mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Obsolete	Obsolete
Ratings	—	—	AEC-Q200

Engineering Selection Recommendations

127KXM016M (Cornell Dubilier / Illinois Capacitor) - Primary Selection

The 127KXM016M is the original part specification with active product status and current manufacturing availability. Use this part for new designs and applications where supply chain stability is prioritized.

UPM1C121MED (Nichicon) - Preferred Substitute

The UPM1C121MED meets all electrical and mechanical substitution criteria and includes AEC-Q200 automotive qualification. Despite obsolete product status, this part provides the lowest impedance (290 mOhms) among available substitutes and is suitable for applications requiring enhanced performance characteristics. High inventory availability (19,532 pcs) supports extended supply windows.

UPJ1C121MED (Nichicon) - Alternative Substitute

The UPJ1C121MED meets all core electrical and mechanical requirements with identical capacitance, voltage, tolerance, and temperature specifications. This part carries obsolete product status and bulk packaging. Use this substitute only when supply of primary options is unavailable.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 127KXM016M with either Nichicon part without PCB redesign?

A: Yes. Both UPJ1C121MED and UPM1C121MED share identical lead spacing (0.098"), case diameter (0.248"), and mounting type (Through Hole). The UPJ1C121MED has a slightly reduced height (0.472" vs 0.492"), which does not affect PCB compatibility in standard radial capacitor footprints.

Q: What is the difference in performance between the main part and substitutes?

A: All three parts meet the core electrical specifications of 120 µF at 16 V with ±20% tolerance and 2000 Hrs @ 105°C lifetime. Impedance varies: the UPM1C121MED has lower impedance (290 mOhms) compared to the 127KXM016M (410 mOhms) and UPJ1C121MED (450 mOhms). Ripple current specifications differ slightly due to measurement frequency variations across manufacturers.

Q: Why are the Nichicon substitutes marked obsolete?

A: Obsolete product status reflects manufacturer discontinuation decisions and does not indicate technical inadequacy. Both parts remain functionally suitable for applications matching the published electrical and mechanical specifications. Verify inventory availability before selecting obsolete parts for production designs.

Q: Is the AEC-Q200 rating on the UPM1C121MED relevant for my application?

A: AEC-Q200 certification indicates automotive-grade qualification. If your design does not require automotive compliance, this certification is not a substitution requirement. Select based on your application's compliance needs and supply chain constraints.

Q: Do I need to test substitutes before use?

A: Compatibility is determined by conformance to published electrical and mechanical parameters. Verify that your circuit design operates within the specified voltage, capacitance, temperature, and ripple current limits of the selected substitute.

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