ESMH401VSN101MP30S Equivalent & Substitute Parts

Part Overview

The ESMH401VSN101MP30S is a 100 µF, 400 V aluminum electrolytic capacitor in radial, can snap-in package manufactured by Chemi-Con. This component is classified as Active product status and is designed for general-purpose applications requiring stable capacitance and low equivalent series resistance in through-hole mounting configurations.

Substitute parts are necessary when the original manufacturer discontinues production, when inventory constraints require alternative sourcing, or when application requirements demand enhanced performance characteristics such as extended lifetime ratings or improved temperature operating ranges.

Key Parameters

Parameter	Value
Capacitance	100 µF
Voltage Rating	400 V
Tolerance	±20%
Package Type	Radial, Can - Snap-In
Mounting Type	Through Hole
Lead Spacing	0.394" (10.00 mm)
Case Diameter	0.866" (22.00 mm)
Height - Seated (Max)	1.260" (32.00 mm)
Operating Temperature Range	-25°C ~ 85°C
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following parameters:

Primary Substitution Criteria (Non-Negotiable):

Capacitance: 100 µF (exact match required)
Voltage Rating: 400 V minimum (higher voltage ratings are acceptable upgrades)
Tolerance: ±20% (exact match required)
Package Type: Radial, Can - Snap-In (exact match required)
Mounting Type: Through Hole (exact match required)
Lead Spacing: 0.394" (10.00 mm) (exact match required)
Case Diameter: 0.866" (22.00 mm) (exact match required)
Height - Seated (Max): 1.260" (32.00 mm) or less (physical fit constraint)
Polarization: Polar (exact match required)

Secondary Performance Parameters (Application-Dependent):

Operating Temperature Range: -25°C minimum to 85°C minimum
ESR (Equivalent Series Resistance): Lower values indicate better performance
Lifetime @ Temperature: Higher values indicate extended service life
Ripple Current Ratings: Must meet or exceed application requirements

Substitute parts are organized into two categories:

Direct Equivalents: Parts meeting all primary substitution criteria with identical or superior performance characteristics within the same voltage class (400 V).

Upgrade Equivalents: Parts exceeding primary criteria through higher voltage ratings (450 V) or extended operating temperature ranges, suitable for applications requiring enhanced reliability margins.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Capacitance	Voltage	Tolerance	ESR @ Reference Frequency	Lifetime @ Temperature	Operating Temp Range	Height (Max)	Product Status
ESMH401VSN101MP30S	Chemi-Con	100 µF	400 V	±20%	2.486 Ω @ 120 Hz	2000 Hrs @ 85°C	-25°C ~ 85°C	1.260" (32.00 mm)	Active
ELXM401VSN101MP30S	Chemi-Con	100 µF	400 V	±20%	Not Specified	7000 Hrs @ 105°C	-25°C ~ 105°C	1.260" (32.00 mm)	Active
107LBB400M2BD	Cornell Dubilier / Illinois Capacitor	100 µF	400 V	±20%	2.4868 Ω @ 120 Hz	3000 Hrs @ 85°C	-40°C ~ 85°C	1.260" (32.00 mm)	Active
B43501A9107M000	EPCOS - TDK Electronics	100 µF	400 V	±20%	660 mΩ @ 100 Hz	10000 Hrs @ 85°C	-40°C ~ 85°C	1.260" (32.00 mm)	Not For New Designs
LLS2G101MELZ	Nichicon	100 µF	400 V	±20%	Not Specified	3000 Hrs @ 85°C	-25°C ~ 85°C	0.984" (25.00 mm)	Active
SLPX101M400A3P3	Cornell Dubilier Electronics (CDE)	100 µF	400 V	±20%	1.99 Ω @ 120 Hz	3000 Hrs @ 85°C	-25°C ~ 85°C	1.181" (30.00 mm)	Active
381LX101M450H022	Cornell Dubilier Electronics (CDE)	100 µF	450 V	±20%	Not Specified	3000 Hrs @ 105°C	-25°C ~ 105°C	1.260" (32.00 mm)	Active
400MXC100MEFCSN22X30	Rubycon	100 µF	400 V	±20%	Not Specified	3000 Hrs @ 105°C	-25°C ~ 105°C	1.260" (32.00 mm)	Not For New Designs
400VXG100MEFCSN22X30	Rubycon	100 µF	400 V	±20%	Not Specified	5000 Hrs @ 105°C	-25°C ~ 105°C	1.260" (32.00 mm)	Active
B43508A5107M000	EPCOS - TDK Electronics	100 µF	450 V	±20%	1.23 Ω @ 100 Hz	3000 Hrs @ 105°C	-40°C ~ 105°C	1.260" (32.00 mm)	Active
B43644A5107M000	EPCOS - TDK Electronics	100 µF	450 V	±20%	970 mΩ @ 100 Hz	5000 Hrs @ 105°C	-40°C ~ 105°C	1.260" (32.00 mm)	Active

Engineering Selection Recommendations

Direct Equivalents (400 V, Same Voltage Class):

ELXM401VSN101MP30S (Chemi-Con LXM Series) is the primary upgrade equivalent within the same manufacturer family. It maintains identical electrical specifications while extending lifetime to 7000 hours at 105°C and expanding operating temperature range to -25°C ~ 105°C. Product status is Active, supporting long-term availability.

SLPX101M400A3P3 (Cornell Dubilier SLPX Series) provides direct substitution with lower ESR (1.99 Ω @ 120 Hz) compared to the original part (2.486 Ω @ 120 Hz). Height is reduced to 1.181" (30.00 mm), providing improved thermal performance in space-constrained applications. Product status is Active.

LLS2G101MELZ (Nichicon LLS Series) meets all primary substitution criteria with identical operating temperature range. Height is reduced to 0.984" (25.00 mm), enabling installation in applications with tighter vertical clearance. Product status is Active.

107LBB400M2BD (Cornell Dubilier LBB Series) provides equivalent performance with extended lifetime to 3000 hours at 85°C and expanded operating temperature range to -40°C ~ 85°C. ESR is comparable at 2.4868 Ω @ 120 Hz. Product status is Active.

B43501A9107M000 (EPCOS B43501 Series) offers superior ESR performance at 660 mΩ @ 100 Hz and extended lifetime to 10000 hours at 85°C. However, product status is Not For New Designs, limiting suitability for new applications requiring long-term support.

Upgrade Equivalents (450 V, Higher Voltage Class):

381LX101M450H022 (Cornell Dubilier 381LX Series) provides voltage upgrade to 450 V with extended lifetime to 3000 hours at 105°C and expanded operating temperature range to -25°C ~ 105°C. Physical dimensions match the original part exactly. Product status is Active.

B43508A5107M000 (EPCOS B43508 Series) provides voltage upgrade to 450 V with low ESR at 1.23 Ω @ 100 Hz, extended lifetime to 3000 hours at 105°C, and expanded operating temperature range to -40°C ~ 105°C. Product status is Active.

B43644A5107M000 (EPCOS B43644 Series) provides voltage upgrade to 450 V with superior ESR performance at 970 mΩ @ 100 Hz and extended lifetime to 5000 hours at 105°C. Operating temperature range extends to -40°C ~ 105°C. Product status is Active.

400VXG100MEFCSN22X30 (Rubycon VXG Series) maintains 400 V rating with extended lifetime to 5000 hours at 105°C and expanded operating temperature range to -25°C ~ 105°C. Physical dimensions match the original part exactly. Product status is Active.

Parts Not Recommended for New Designs:

400MXC100MEFCSN22X30 (Rubycon MXC Series) carries product status Not For New Designs despite meeting all primary substitution criteria. Use only for replacement in existing applications where continuity is required.

Frequently Asked Questions (FAQ)

Q: Can I use a 450 V rated capacitor in place of a 400 V rated capacitor?

A: Yes. Higher voltage ratings provide increased safety margin and are electrically compatible with 400 V applications. The capacitor will operate within its rated specifications. Physical dimensions must remain compatible with the circuit board layout.

Q: What is the significance of ESR (Equivalent Series Resistance)?

A: ESR affects ripple current handling capability and heat dissipation. Lower ESR values indicate better high-frequency performance and reduced thermal stress. The original ESMH401VSN101MP30S has ESR of 2.486 Ω @ 120 Hz. Substitute parts with lower ESR values provide improved performance margins.

Q: Does operating temperature range affect substitution eligibility?

A: Operating temperature range defines the safe operating envelope. Substitute parts with expanded ranges (such as -40°C ~ 105°C versus -25°C ~ 85°C) provide additional design margin but do not affect substitution eligibility if the original range is maintained. Application requirements determine whether expanded range is beneficial.

Q: Why do some substitute parts have unspecified ESR values?

A: ESR specification availability varies by manufacturer and product series. Unspecified ESR does not indicate inferior performance; it reflects different manufacturer documentation practices. Contact the manufacturer for detailed ESR data when this parameter is critical to application requirements.

Q: What is the difference between "Active" and "Not For New Designs" product status?

A: Active status indicates the manufacturer supports the part for new designs with ongoing availability and technical support. Not For New Designs status indicates the manufacturer will continue supplying existing inventory but does not recommend the part for new applications. Use Active status parts for new designs to ensure long-term supply chain stability.

Q: Can I substitute a part with reduced height (such as LLS2G101MELZ at 0.984" versus 1.260")?

A: Yes. Reduced height provides additional clearance above the capacitor and improves thermal dissipation. Verify that the circuit board layout accommodates the reduced height without creating unintended air gaps or mechanical stress on the leads.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 Compliant status, matching the original part's environmental compliance classification.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message