UPB2G100MPD Equivalent & Substitute Parts

Part Overview

The UPB2G100MPD is a 10 µF, 400 V aluminum electrolytic capacitor in radial, can package manufactured by Nichicon. This part is classified as obsolete, with a rated lifetime of 5000 hours at 105°C. Due to its obsolete status, equivalent and substitute parts from active manufacturers are necessary for new designs and ongoing production requirements. Substitute parts maintain the same electrical specifications while offering improved reliability characteristics or extended product availability.

Key Parameters

Parameter	Value
Capacitance	10 µF
Voltage Rating	400 V
Tolerance	±20%
Package Type	Radial, Can
Lead Spacing	0.197" (5.00 mm)
Case Diameter	0.394" (10.00 mm)
Height (Seated Max)	0.846" - 0.866" (21.50 - 22.00 mm)
Mounting Type	Through Hole
Polarization	Polar
Operating Temperature	-25°C to 105°C (standard) / -40°C to 105°C (extended)
Lifetime @ 105°C	5000 - 12000 hours

Substitute Part Grouping Explanation

Substitution of the UPB2G100MPD is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria:

Capacitance: 10 µF (exact match required)
Voltage Rating: 400 V minimum (higher voltage ratings acceptable as upgrades)
Tolerance: ±20% (standard tolerance maintained)
Package: Radial, Can configuration
Lead Spacing: 0.197" (5.00 mm)
Case Diameter: 0.394" (10.00 mm)
Mounting: Through Hole

Substitution Categories:

Direct Substitutes maintain identical electrical ratings (10 µF, 400 V) with compatible mechanical dimensions. These parts are interchangeable without circuit modification:

UCA2G100MPD (Nichicon UCA series, 10000 Hrs @ 105°C)
UCS2G100MPD (Nichicon UCS series, 8000 Hrs @ 105°C, Active status)
106KFM400M (Cornell Dubilier KFM series, 10000 Hrs @ 105°C)
106TXK400M (Cornell Dubilier TXK series, 5000 Hrs @ 105°C)
400CFX10MEFC10X20 (Rubycon CFX series, 5000 Hrs @ 105°C)
B43858C9106M000 (EPCOS B43858 series, 5000 Hrs @ 105°C)
ESG106M400AH4AA (KEMET ESG series, 5000 Hrs @ 105°C)

Upgrade Substitutes provide higher voltage ratings (420 V or 450 V) while maintaining 10 µF capacitance. These are suitable for applications where increased voltage margin is beneficial:

UCY2W100MPD (Nichicon UCY series, 450 V, 12000 Hrs @ 105°C, Active status)
UCYW6100MPD (Nichicon UCY series, 420 V, 12000 Hrs @ 105°C, Active status)
400BXC10MEFC10X20 (Rubycon BXC series, 400 V, 10000 Hrs @ 105°C, Active status)

Parameter Comparison

Part Number	Manufacturer	Capacitance	Voltage	Tolerance	Lifetime @ 105°C	Operating Temp	Product Status	RoHS Status
UPB2G100MPD	Nichicon	10 µF	400 V	±20%	5000 Hrs	-25°C ~ 105°C	Obsolete	Not specified
UCA2G100MPD	Nichicon	10 µF	400 V	±20%	10000 Hrs	-25°C ~ 105°C	Obsolete	ROHS3 Compliant
UCS2G100MPD	Nichicon	10 µF	400 V	±20%	8000 Hrs	-40°C ~ 105°C	Active	ROHS3 Compliant
UCY2W100MPD	Nichicon	10 µF	450 V	±20%	12000 Hrs	-40°C ~ 105°C	Active	ROHS3 Compliant
UCYW6100MPD	Nichicon	10 µF	420 V	±20%	12000 Hrs	-40°C ~ 105°C	Active	ROHS3 Compliant
106KFM400M	Cornell Dubilier	10 µF	400 V	±20%	10000 Hrs	-40°C ~ 105°C	Active	ROHS3 Compliant
106TXK400M	Cornell Dubilier	10 µF	400 V	±20%	5000 Hrs	-25°C ~ 105°C	Active	ROHS3 Compliant
400CFX10MEFC10X20	Rubycon	10 µF	400 V	±20%	5000 Hrs	-25°C ~ 105°C	Active	ROHS3 Compliant
B43858C9106M000	EPCOS - TDK Electronics	10 µF	400 V	±20%	5000 Hrs	-25°C ~ 105°C	Active	ROHS3 Compliant
ESG106M400AH4AA	KEMET	10 µF	400 V	±20%	5000 Hrs	-40°C ~ 105°C	Active	ROHS3 Compliant
400BXC10MEFC10X20	Rubycon	10 µF	400 V	±20%	10000 Hrs	-25°C ~ 105°C	Active	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Identical Electrical Specifications):

UCS2G100MPD is the primary recommendation among direct substitutes. This part is manufactured by Nichicon (same original manufacturer), maintains Active product status, offers extended operating temperature range (-40°C to 105°C), and provides 8000 hours lifetime at 105°C. ROHS3 compliance is confirmed.

106KFM400M (Cornell Dubilier) and 400BXC10MEFC10X20 (Rubycon) are secondary options with Active status and 10000-hour lifetimes, providing extended reliability margins. Both are ROHS3 compliant.

For Upgraded Performance:

UCY2W100MPD and UCYW6100MPD (Nichicon UCY series) provide extended lifetime (12000 hours at 105°C), wider operating temperature range (-40°C to 105°C), and higher voltage ratings (450 V and 420 V respectively). These upgrades are suitable for applications requiring improved reliability and thermal performance. Both are Active status and ROHS3 compliant.

Compliance Considerations:

All recommended substitute parts are ROHS3 compliant. The original UPB2G100MPD product status is Obsolete; therefore, migration to Active-status alternatives is necessary for new production. All substitute parts carry REACH Unaffected or REACH Affected status as specified in individual datasheets.

Frequently Asked Questions (FAQ)

Q: Can UPB2G100MPD be replaced with a higher voltage-rated capacitor?

A: Yes. Upgrade substitutes such as UCY2W100MPD (450 V) and UCYW6100MPD (420 V) are electrically compatible. Higher voltage ratings provide additional safety margin in the circuit without affecting capacitance or tolerance specifications. Mechanical dimensions remain identical.

Q: What is the difference between direct substitutes and upgrade substitutes?

A: Direct substitutes maintain the 400 V rating and are pin-for-pin compatible with identical electrical performance. Upgrade substitutes provide higher voltage ratings (420 V or 450 V) while maintaining 10 µF capacitance, offering improved reliability through extended lifetime ratings and wider operating temperature ranges.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status. The original UPB2G100MPD does not specify RoHS status; however, all active alternatives meet current RoHS3 requirements.

Q: Which substitute offers the longest operational lifetime?

A: UCY2W100MPD and UCYW6100MPD both provide 12000 hours at 105°C, compared to the original part's 5000 hours. These represent the maximum lifetime available among all listed substitutes.

Q: Are mechanical dimensions identical across all substitutes?

A: Mechanical dimensions are substantially identical. All parts maintain 0.197" (5.00 mm) lead spacing, 0.394" (10.00 mm) case diameter, and height within 0.846" to 0.866" (21.50 to 22.00 mm). These tolerances ensure through-hole PCB compatibility without modification.

Q: Can ESG106M400AH4AA be used as a direct replacement?

A: Yes. ESG106M400AH4AA maintains identical electrical specifications (10 µF, 400 V, ±20% tolerance) and mechanical compatibility. This KEMET part is Active status and ROHS3 compliant. The specified ESR of 2.9 Ohm @ 100 kHz may be relevant for high-frequency ripple current applications.

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