475KXM100M Aluminum Electrolytic Capacitor - Equivalent & Substitute Parts

Part Overview

The 475KXM100M is a 4.7 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 requiring stable capacitance over extended operating periods. With an active product status and 2000-hour lifetime rating at 105°C, the 475KXM100M serves as a reference point for identifying functionally equivalent components from alternative manufacturers. Substitute components may be necessary due to supply chain constraints, inventory availability, or specific design requirements within the tolerance and electrical parameter specifications.

Key Parameters

Parameter	Specification
Capacitance	4.7 µF
Voltage Rating	100 V
Tolerance	±20%
Polarization	Polar
Lifetime @ Temperature	2000 Hrs @ 105°C
Operating Temperature Range	-55°C to 105°C
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.098" (2.50 mm)
Case Diameter	0.248" (6.30 mm)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitute parts for the 475KXM100M are evaluated based on strict electrical and mechanical equivalence. The critical parameters for substitution are:

Capacitance: 4.7 µF (exact match required)
Voltage Rating: 100 V (minimum requirement; higher ratings acceptable)
Tolerance: ±20% (defines acceptable capacitance variation)
Lifetime Rating: 2000 Hrs @ 105°C (thermal stability requirement)
Operating Temperature: -55°C to 105°C (environmental compatibility)
Package Type: Radial, Can (physical form factor)
Mounting Type: Through Hole (PCB integration method)
Lead Spacing: 0.098" (2.50 mm) (board layout compatibility)
Case Diameter: 0.248" (6.30 mm) (space envelope constraint)

The UPJ2A4R7MED, manufactured by Nichicon in the UPJ series, satisfies all these critical parameters and qualifies as a direct functional substitute despite obsolete product status.

Parameter Comparison

Parameter	475KXM100M (Cornell Dubilier)	UPJ2A4R7MED (Nichicon)
Capacitance	4.7 µF	4.7 µF
Voltage Rating	100 V	100 V
Tolerance	±20%	±20%
Lifetime @ Temp.	2000 Hrs @ 105°C	2000 Hrs @ 105°C
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C
Ripple Current @ 120 Hz	28 mA	34 mA
Lead Spacing	0.098" (2.50 mm)	0.098" (2.50 mm)
Case Diameter	0.248" (6.30 mm)	0.248" (6.30 mm)
Height - Seated (Max)	0.492" (12.50 mm)	0.472" (12.00 mm)
Mounting Type	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

The UPJ2A4R7MED qualifies as a functional equivalent to the 475KXM100M for applications within the specified electrical and thermal envelope. Both components are ROHS3 compliant and carry REACH unaffected status, ensuring regulatory compliance across industrial and consumer markets.

The 475KXM100M maintains active product status, providing stability for ongoing production and design integration. The UPJ2A4R7MED, despite obsolete classification, remains available in substantial inventory quantities and meets all critical electrical and mechanical parameters. Selection between the two should prioritize the 475KXM100M for new designs requiring long-term supplier support. The UPJ2A4R7MED is appropriate for legacy system repairs, design revisions, or when supply-chain constraints affect primary component availability.

The reduced seated height of the UPJ2A4R7MED (0.472" versus 0.492") presents a minor spatial advantage in compact PCB layouts without affecting electrical performance or mechanical compatibility in standard through-hole designs.

Frequently Asked Questions (FAQ)

Q: Can the UPJ2A4R7MED directly replace the 475KXM100M in existing designs? A: Yes. Both components share identical capacitance (4.7 µF), voltage rating (100 V), tolerance (±20%), lifetime rating (2000 Hrs @ 105°C), operating temperature range (-55°C to 105°C), lead spacing (0.098"/2.50 mm), case diameter (0.248"/6.30 mm), and mounting type (through-hole radial). The minor height difference (0.02"/0.50 mm) does not affect standard PCB designs.

Q: What are the key differences between these two parts? A: The primary differences are manufacturer (Cornell Dubilier versus Nichicon), product status (active versus obsolete), and ripple current rating at 120 Hz (28 mA versus 34 mA). The Nichicon part exhibits lower impedance (2.8 Ohms) compared to the Cornell Dubilier specification (8.1 Ohms) and slightly reduced seated height.

Q: Are both parts compliant with environmental regulations? A: Yes. Both the 475KXM100M and UPJ2A4R7MED are ROHS3 compliant and REACH unaffected, meeting current environmental standards for industrial, consumer, and automotive applications.

Q: Should I use the substitute part in new product designs? A: The 475KXM100M is recommended for new designs due to active product status and guaranteed long-term availability. The UPJ2A4R7MED is suitable for legacy design support or as an interim solution during supply constraints.

Q: What is the significance of the ±20% tolerance rating? A: The ±20% tolerance indicates that the actual capacitance value may vary between 3.76 µF and 5.64 µF at any point within the operating temperature range. Both substitute parts carry identical tolerance specifications, ensuring equivalent circuit behavior.

Q: Are there mechanical considerations for PCB layout? A: The lead spacing (0.098"/2.50 mm) and case diameter (0.248"/6.30 mm) are identical for both parts, ensuring compatible footprints. The UPJ2A4R7MED's 0.02" height reduction offers minor benefits in space-constrained designs but does not affect through-hole pad alignment or soldering requirements.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message