335KXM100M Aluminum Electrolytic Capacitor - Equivalent & Substitute Parts

Part Overview

The 335KXM100M is a 3.3 µF, 100 V aluminum electrolytic capacitor manufactured by Cornell Dubilier / Illinois Capacitor in the KXM series. This radial, through-hole component is designed for general-purpose applications with a rated lifetime of 2000 hours at 105°C and an operating temperature range of -55°C to 105°C. The part is currently active in production status with 811 units in stock. Substitute parts are necessary when the primary part becomes unavailable, when inventory constraints require alternative sourcing, or when design flexibility permits equivalent components that meet the same electrical and mechanical specifications.

Key Parameters

Parameter	Value	Unit
Capacitance	3.3	µF
Voltage - Rated	100	V
Tolerance	±20%	-
ESR @ 120Hz	40.191	Ohm
Lifetime @ Temperature	2000	Hrs @ 105°C
Operating Temperature Range	-55 to 105	°C
Polarization	Polar	-
Lead Spacing	0.079 (2.00)	" (mm)
Size / Dimension	0.197 Dia (5.00)	" (mm)
Height - Seated (Max)	0.492 (12.50)	" (mm)
Mounting Type	Through Hole	-
Package / Case	Radial, Can	-
RoHS Status	ROHS3 Compliant	-

Substitute Part Grouping Explanation

Substitution of the 335KXM100M is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

Capacitance: 3.3 µF
Voltage Rating: 100 V
Tolerance: ±20%
Lifetime: 2000 Hrs @ 105°C
Operating Temperature Range: -55°C to 105°C
Polarization: Polar

Mechanical Parameters (Must Match):

Lead Spacing: 0.079" (2.00 mm)
Diameter: 0.197" (5.00 mm)
Height (Seated Max): 0.492" (12.50 mm)
Mounting Type: Through Hole
Package Type: Radial, Can

Compliance Parameters (Must Match):

RoHS Status: ROHS3 Compliant
REACH Status: REACH Unaffected

The substitute part UPM2A3R3MDD meets all critical electrical and mechanical parameters. Variations in ESR, ripple current specifications, and impedance values do not disqualify substitution when the core parameters remain equivalent.

Parameter Comparison

Parameter	335KXM100M (Cornell Dubilier)	UPM2A3R3MDD (Nichicon)	Match Status
Capacitance	3.3 µF	3.3 µF	Equivalent
Voltage - Rated	100 V	100 V	Equivalent
Tolerance	±20%	±20%	Equivalent
Lifetime @ Temperature	2000 Hrs @ 105°C	2000 Hrs @ 105°C	Equivalent
Operating Temperature Range	-55°C ~ 105°C	-55°C ~ 105°C	Equivalent
Polarization	Polar	Polar	Equivalent
Lead Spacing	0.079" (2.00 mm)	0.079" (2.00 mm)	Equivalent
Size / Dimension	0.197" Dia (5.00 mm)	0.197" Dia (5.00 mm)	Equivalent
Height - Seated (Max)	0.492" (12.50 mm)	0.492" (12.50 mm)	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Package / Case	Radial, Can	Radial, Can	Equivalent
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
REACH Status	REACH Unaffected	REACH Unaffected	Equivalent
ESR @ 120Hz	40.191 Ohm	Not Specified	Data Unavailable
Ripple Current @ 120 Hz	22 mA	27 mA	Substitute Higher
Ripple Current @ High Frequency	55 mA @ 100 kHz	54 mA @ 10 kHz	Comparable
Impedance	11.205 Ohms	4.1 Ohms	Substitute Lower

Engineering Selection Recommendations

Primary Part Status: The 335KXM100M is active in production with adequate inventory (811 units in stock). Selection of this part is appropriate for new designs and ongoing production when supply is confirmed.

Substitute Part Status: The UPM2A3R3MDD is classified as obsolete. This substitute should be selected only when the primary part becomes unavailable or when existing inventory of the substitute is required for continuity of supply. The obsolete status indicates that long-term availability cannot be assured.

Compliance Basis: Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic component use in regulated markets. Both parts support through-hole assembly on standard PCB layouts with identical lead spacing and package dimensions.

Performance Considerations: The substitute part exhibits lower impedance (4.1 Ohms vs. 11.205 Ohms) and higher ripple current capability at 120 Hz (27 mA vs. 22 mA), indicating potentially superior performance characteristics in ripple-current-limited applications. These differences do not prevent substitution but represent performance variations within the aluminum electrolytic capacitor category.

Frequently Asked Questions (FAQ)

Q: Can UPM2A3R3MDD be used as a direct replacement for 335KXM100M on existing PCBs?

A: Yes. Both parts share identical lead spacing (0.079" / 2.00 mm), diameter (0.197" / 5.00 mm), and height (0.492" / 12.50 mm). Through-hole mounting is identical. No PCB layout modifications are required.

Q: What is the significance of the obsolete status of UPM2A3R3MDD?

A: Obsolete status indicates that Nichicon has discontinued production of this part. While existing inventory may be available from distributors, long-term supply cannot be assured. This part should be used only when the primary part is unavailable or for short-term production runs.

Q: Are the electrical specifications identical between these two parts?

A: Core electrical specifications are identical: 3.3 µF capacitance, 100 V rating, ±20% tolerance, 2000 Hrs @ 105°C lifetime, and -55°C to 105°C operating range. ESR data for the substitute is not provided. Ripple current and impedance values differ but remain within acceptable ranges for aluminum electrolytic capacitors of this class.

Q: Does the lower impedance of the substitute part affect circuit performance?

A: Lower impedance (4.1 Ohms vs. 11.205 Ohms) in the substitute part indicates reduced high-frequency impedance. This characteristic is generally beneficial in power supply and filtering applications. Circuit performance impact depends on specific application requirements; no adverse effects are expected in general-purpose applications.

Q: Are both parts suitable for automotive applications?

A: The primary part (335KXM100M) is specified for general-purpose applications. The substitute part (UPM2A3R3MDD) carries AEC-Q200 automotive qualification. If automotive-grade components are required, the substitute part meets this requirement; the primary part does not.

Q: What packaging formats are available for these parts?

A: The primary part is available in standard packaging. The substitute part is supplied in bulk packaging. Both are through-hole radial can components suitable for manual or automated assembly.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message