476KXM100M Equivalent & Substitute Parts Reference

Part Overview

The 476KXM100M is a 47 µF, 100 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier / Illinois Capacitor. This component is classified as Active product status and is suitable for general-purpose applications requiring through-hole mounting. The KXM series offers a rated lifetime of 4000 hours at 105°C with an operating temperature range of -55°C to 105°C.

Substitute parts become necessary when the primary part experiences supply constraints, inventory limitations, or when design requirements permit selection from qualified alternative manufacturers. The parts listed below maintain electrical and mechanical compatibility within the specified parameter tolerances.

Key Parameters

Parameter	Value	Unit	Substitution Criticality
Capacitance	47	µF	Critical
Voltage - Rated	100	V	Critical
Tolerance	±20%	%	Critical
Polarization	Polar	-	Critical
Mounting Type	Through Hole	-	Critical
Package / Case	Radial, Can	-	Critical
Lead Spacing	0.197" (5.00mm)	-	Critical
Size / Dimension	0.394" Dia (10.00mm)	-	Critical
Operating Temperature	-55°C ~ 105°C	-	Important
Lifetime @ Temp.	4000 Hrs @ 105°C	-	Important
RoHS Status	ROHS3 Compliant	-	Important

Substitute Part Grouping Explanation

Substitution eligibility for the 476KXM100M is determined by strict adherence to the following critical parameters:

Critical Electrical Parameters:

Capacitance: 47 µF (exact match required)
Voltage Rating: 100 V (minimum, no downrating permitted)
Tolerance: ±20% (must match or be tighter)
Polarization: Polar (mandatory for electrolytic type)

Critical Mechanical Parameters:

Mounting Type: Through Hole (radial lead configuration)
Package Type: Radial, Can
Lead Spacing: 0.197" (5.00mm) center-to-center
Diameter: 0.394" (10.00mm)
Height: Maximum 0.866" (22.00mm) seated height

Compliance Parameters:

RoHS3 Compliance (mandatory for new inventory)
REACH Status: REACH Unaffected or REACH Affected (both acceptable)
ECCN: EAR99 (consistent across all parts)

Performance Parameters (Secondary):

Operating Temperature Range: -55°C to 105°C (minimum requirement)
Lifetime at 105°C: 4000 hours or greater

The substitute parts UPJ2A470MPD and UPM2A470MPD meet all critical parameters and are therefore qualified as direct equivalents.

Parameter Comparison

Parameter	476KXM100M (Main)	UPJ2A470MPD (Direct)	UPM2A470MPD (Upgrade)
Manufacturer	Cornell Dubilier / Illinois Capacitor	Nichicon	Nichicon
Series	KXM	UPJ	UPM
Capacitance	47 µF	47 µF	47 µF
Voltage - Rated	100 V	100 V	100 V
Tolerance	±20%	±20%	±20%
Polarization	Polar	Polar	Polar
Operating Temperature	-55°C ~ 105°C	-55°C ~ 105°C	-55°C ~ 105°C
Lifetime @ Temp.	4000 Hrs @ 105°C	5000 Hrs @ 105°C	5000 Hrs @ 105°C
Lead Spacing	0.197" (5.00mm)	0.197" (5.00mm)	0.197" (5.00mm)
Size / Dimension	0.394" Dia (10.00mm)	0.394" Dia (10.00mm)	0.394" Dia (10.00mm)
Height - Seated (Max)	0.866" (22.00mm)	0.846" (21.50mm)	0.866" (22.00mm)
Mounting Type	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Active	Not For New Designs	Not For New Designs
Ratings	-	-	AEC-Q200
Applications	General Purpose	General Purpose	Automotive

Engineering Selection Recommendations

Primary Selection (476KXM100M): The 476KXM100M maintains Active product status and represents the primary choice for new designs and applications. This part is currently in stock with 1022 units available and offers full manufacturer support.

Direct Equivalent (UPJ2A470MPD): The UPJ2A470MPD from Nichicon is a direct electrical and mechanical equivalent with identical critical parameters. This part carries a "Not For New Designs" status but remains suitable for replacement, repair, and legacy system applications. The UPJ series provides extended lifetime (5000 hours at 105°C versus 4000 hours) and improved ripple current handling at low frequency (252 mA @ 120 Hz). Inventory availability is 2317 units.

Upgrade Alternative (UPM2A470MPD): The UPM2A470MPD from Nichicon is classified as an upgrade option due to AEC-Q200 automotive qualification rating. This part is suitable for applications requiring automotive-grade reliability standards. The UPM series maintains identical electrical and mechanical specifications while offering extended lifetime (5000 hours at 105°C) and superior ripple current performance (340 mA @ 120 Hz). Inventory availability is 3710 units. Note: REACH Status is listed as REACH Affected for this part.

Selection Criteria:

For new designs: Use 476KXM100M (Active status)
For replacement/repair: Use UPJ2A470MPD or UPM2A470MPD (equivalent performance)
For automotive applications: Use UPM2A470MPD (AEC-Q200 qualified)
For extended reliability: UPJ2A470MPD or UPM2A470MPD (5000-hour lifetime)

All three parts are ROHS3 compliant and suitable for through-hole PCB assembly with standard 5.00mm lead spacing.

Frequently Asked Questions (FAQ)

Q: Can UPJ2A470MPD be used as a direct replacement for 476KXM100M?

A: Yes. The UPJ2A470MPD meets all critical electrical and mechanical parameters: 47 µF capacitance, 100 V rating, ±20% tolerance, polar configuration, through-hole mounting, radial can package, 5.00mm lead spacing, and 10.00mm diameter. Physical height differs by 0.020" (0.50mm), which is within acceptable PCB layout tolerances for through-hole components.

Q: What is the difference between UPJ2A470MPD and UPM2A470MPD?

A: Both parts are electrically and mechanically equivalent with identical capacitance, voltage, tolerance, and mounting specifications. The primary differences are: (1) UPM2A470MPD carries AEC-Q200 automotive qualification; (2) UPM2A470MPD has higher ripple current capability at low frequency (340 mA @ 120 Hz versus 252 mA); (3) UPM2A470MPD has REACH Affected status versus REACH Unaffected for UPJ2A470MPD.

Q: Are the lead spacings identical across all three parts?

A: Yes. All three parts (476KXM100M, UPJ2A470MPD, UPM2A470MPD) have identical lead spacing of 0.197" (5.00mm) center-to-center and identical diameter of 0.394" (10.00mm). They are mechanically interchangeable on standard through-hole PCB layouts.

Q: Why do UPJ2A470MPD and UPM2A470MPD show "Not For New Designs" status?

A: This designation indicates that Nichicon has transitioned these series to legacy or mature product status. However, this does not affect their electrical performance or reliability. These parts remain suitable for replacement applications, repair operations, and systems where design changes are not feasible.

Q: What is the significance of the AEC-Q200 rating on UPM2A470MPD?

A: AEC-Q200 is an automotive industry qualification standard that certifies component reliability under automotive operating conditions. This rating is relevant only for applications requiring automotive-grade components. For general-purpose applications, this certification provides no functional advantage.

Q: Can these parts be used interchangeably in existing designs?

A: Yes, within the constraints of physical board layout. All three parts share identical lead spacing (5.00mm), diameter (10.00mm), and electrical specifications (47 µF, 100 V, ±20%). The maximum seated height varies slightly (476KXM100M and UPM2A470MPD at 0.866", UPJ2A470MPD at 0.846"), which is negligible for through-hole applications with standard component clearances.

Q: What is the impact of the 1000-hour lifetime difference between 476KXM100M and the Nichicon substitutes?

A: The 476KXM100M is rated for 4000 hours at 105°C, while UPJ2A470MPD and UPM2A470MPD are rated for 5000 hours at 105°C. This represents a 25% improvement in rated lifetime for the Nichicon parts. For applications operating continuously at elevated temperatures, the extended lifetime provides additional design margin.

Q: Are there any impedance or ESR differences that affect circuit performance?

A: The 476KXM100M specifies ESR of 3.5274 Ohm @ 120Hz and impedance of 810 mOhms. The Nichicon substitutes do not provide ESR specifications but list impedance of 280 mOhms, indicating lower impedance performance. For applications sensitive to ESR characteristics, verify that the lower impedance of substitute parts does not introduce unintended circuit behavior.

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