Equivalent & Substitute Parts for 227LBA350M2CD

Part Overview

The 227LBA350M2CD is a 220 µF, 350 V aluminum electrolytic capacitor manufactured by Cornell Dubilier / Illinois Capacitor in the LBA series. This radial, can-style snap-in capacitor is designed for general-purpose applications with a rated lifetime of 2000 hours at 85°C and an operating temperature range of -25°C to 85°C. The part is currently active in production and RoHS3 compliant.

Substitute parts are necessary when the original component becomes unavailable, when design requirements demand enhanced performance characteristics such as higher voltage ratings or extended lifetime ratings, or when alternative manufacturers' components offer superior electrical properties within the same mechanical envelope.

Key Parameters

Parameter	Value	Unit	Substitution Relevance
Capacitance	220	µF	Must match exactly
Voltage - Rated	350	V	Substitutes must equal or exceed
Tolerance	±20%	%	Must match
Package / Case	Radial, Can - Snap-In	-	Must match for mechanical compatibility
Lead Spacing	0.394" (10.00mm)	inches (mm)	Must match for PCB mounting
Size / Dimension	0.984" Dia (25.00mm)	inches (mm)	Must match for enclosure fit
Height - Seated (Max)	1.260" (32.00mm)	inches (mm)	Must match for clearance
Mounting Type	Through Hole	-	Must match
Operating Temperature	-25°C ~ 85°C	°C	Substitutes must cover or exceed range
Lifetime @ Temp.	2000 Hrs @ 85°C	Hrs @ °C	Substitutes may offer extended ratings
RoHS Status	ROHS3 Compliant	-	Must maintain compliance
Polarization	Polar	-	Must match

Substitute Part Grouping Explanation

Substitution logic for the 227LBA350M2CD is based on the following criteria:

Primary Matching Criteria:

Capacitance: 220 µF (exact match required)
Tolerance: ±20% (exact match required)
Package: Radial, Can - Snap-In (exact match required)
Lead Spacing: 0.394" / 10.00mm (exact match required)
Physical Dimensions: 0.984" Dia / 25.00mm and 1.260" Height / 32.00mm (exact match required)
Mounting Type: Through Hole (exact match required)
Polarization: Polar (exact match required)

Secondary Substitution Parameters:

Voltage Rating: Substitutes must equal or exceed 350 V
Operating Temperature Range: Substitutes must cover -25°C to 85°C minimum
RoHS Compliance: All substitutes must maintain ROHS3 compliance
Product Status: Active status preferred; obsolete parts listed for reference only

Performance Enhancement Parameters:

ESR (Equivalent Series Resistance): Lower values indicate improved performance
Lifetime @ Temperature: Extended ratings (3000 Hrs or 5000 Hrs) indicate superior reliability
Ripple Current Capability: Higher values indicate greater current handling capacity

All substitute parts listed maintain identical mechanical compatibility and electrical base specifications while offering equal or superior performance characteristics.

Parameter Comparison

Part Number	Manufacturer	Series	Capacitance (µF)	Voltage (V)	Tolerance (%)	ESR @ Frequency	Lifetime @ Temp.	Operating Temp. (°C)	Product Status
227LBA350M2CD	Cornell Dubilier / Illinois Capacitor	LBA	220	350	±20%	1.13036Ω @ 120Hz	2000 Hrs @ 85°C	-25 ~ 85	Active
LGN2V221MELA30	Nichicon	LGN	220	350	±20%	-	3000 Hrs @ 105°C	-25 ~ 105	Active
380LQ221M400J022	Cornell Dubilier Electronics (CDE)	380LQ	220	400	±20%	905mΩ @ 120Hz	2000 Hrs @ 85°C	-25 ~ 85	Active
400MXK220MEFCSN25X30	Rubycon	MXK	220	400	±20%	-	3000 Hrs @ 105°C	-25 ~ 105	Active
400USG220MEFCSN25X30	Rubycon	USG	220	400	±20%	-	3000 Hrs @ 85°C	-25 ~ 85	Active
400VXH220MEFCSN25X30	Rubycon	VXH	220	400	±20%	-	5000 Hrs @ 105°C	-25 ~ 105	Active
420MXH220MEFCSN25X30	Rubycon	MXH	220	420	±20%	-	2000 Hrs @ 105°C	-25 ~ 105	Active
B43305B9227M000	EPCOS - TDK Electronics	B43305	220	400	±20%	620mΩ @ 100Hz	2000 Hrs @ 85°C	-40 ~ 85	Not For New Designs
EKMS401VSN221MQ30S	Chemi-Con	KMS	220	400	±20%	-	3000 Hrs @ 105°C	-25 ~ 105	Active
LGG2G221MELA30	Nichicon	LGG	220	400	±20%	-	2000 Hrs @ 105°C	-25 ~ 105	Active
LLG2G221MELA30	Nichicon	LLG	220	400	±20%	-	2000 Hrs @ 85°C	-25 ~ 85	Active

Engineering Selection Recommendations

Direct Replacement (Same Voltage Rating - 350 V):

LGN2V221MELA30 (Nichicon) is the only substitute maintaining the original 350 V rating. This part offers extended lifetime (3000 Hrs @ 105°C versus 2000 Hrs @ 85°C) and expanded operating temperature range (-25°C to 105°C). It is RoHS3 compliant and currently in active production status.

Voltage-Upgraded Substitutes (400 V Rating):

The following parts provide 400 V rated voltage, exceeding the original 350 V specification while maintaining all mechanical and electrical compatibility:

380LQ221M400J022 (Cornell Dubilier Electronics): Maintains original manufacturer family with improved ESR (905mΩ @ 120Hz). Same lifetime rating (2000 Hrs @ 85°C). Active status.
400VXH220MEFCSN25X30 (Rubycon): Offers highest lifetime rating (5000 Hrs @ 105°C) with extended temperature range (-25°C to 105°C). RoHS3 compliant, active status. Largest inventory availability (16,377 pcs).
400MXK220MEFCSN25X30 (Rubycon): Provides 3000 Hrs @ 105°C lifetime with extended temperature range. Active status, RoHS3 compliant.
400USG220MEFCSN25X30 (Rubycon): Delivers 3000 Hrs @ 85°C lifetime with standard temperature range. Active status, RoHS3 compliant.
EKMS401VSN221MQ30S (Chemi-Con): Offers 3000 Hrs @ 105°C with extended temperature range. Active status, RoHS3 compliant.
LGG2G221MELA30 (Nichicon): Provides 2000 Hrs @ 105°C with extended temperature range. Active status, RoHS3 compliant.
LLG2G221MELA30 (Nichicon): Maintains standard temperature range with 2000 Hrs @ 85°C lifetime. Active status, RoHS3 compliant.

Higher Voltage Substitute (420 V Rating):

420MXH220MEFCSN25X30 (Rubycon): Provides maximum voltage rating (420 V) with 2000 Hrs @ 105°C lifetime and extended temperature range. Active status, RoHS3 compliant.

Obsolete Reference (Not Recommended for New Designs):

B43305B9227M000 (EPCOS - TDK Electronics): Marked "Not For New Designs." Included for legacy system maintenance only. Offers 400 V rating with 620mΩ ESR @ 100Hz and extended lower temperature limit (-40°C). RoHS3 compliant.

Selection Criteria Summary:

Choose substitutes based on application requirements:

For direct 350 V replacement: LGN2V221MELA30
For improved reliability with voltage margin: 400VXH220MEFCSN25X30
For cost-effective 400 V upgrade: 380LQ221M400J022
For extended temperature operation: Any 400 V or 420 V rated substitute with -25°C to 105°C range
For legacy system maintenance: B43305B9227M000 (existing designs only)

All recommended substitutes maintain RoHS3 compliance, identical mechanical dimensions, and active production status except where noted.

Frequently Asked Questions (FAQ)

Q: Can I use a 400 V rated capacitor in place of the original 350 V part?

A: Yes. A higher voltage rating provides design margin and does not compromise circuit function. The 400 V substitutes (380LQ221M400J022, 400VXH220MEFCSN25X30, 400MXK220MEFCSN25X30, 400USG220MEFCSN25X30, EKMS401VSN221MQ30S, LGG2G221MELA30, LLG2G221MELA30) are electrically and mechanically compatible. The 420 V rated part (420MXH220MEFCSN25X30) also functions as a direct substitute.

Q: What is the difference between the various 400 V substitutes?

A: The primary differences are lifetime ratings and operating temperature ranges. 400VXH220MEFCSN25X30 offers the longest lifetime (5000 Hrs @ 105°C). 400MXK220MEFCSN25X30 and EKMS401VSN221MQ30S provide 3000 Hrs @ 105°C. 400USG220MEFCSN25X30 provides 3000 Hrs @ 85°C. 380LQ221M400J022 and LLG2G221MELA30 maintain 2000 Hrs @ 85°C. All maintain identical mechanical compatibility.

Q: Are all substitute parts RoHS3 compliant?

A: Yes, all active-status substitute parts listed are RoHS3 compliant. The obsolete B43305B9227M000 is also RoHS3 compliant but is not recommended for new designs.

Q: Do the substitute parts have the same physical dimensions?

A: Yes. All substitute parts maintain the same mechanical specifications: 0.984" diameter (25.00mm), 1.260" maximum seated height (32.00mm), 0.394" lead spacing (10.00mm), radial can snap-in package, and through-hole mounting. EKMS401VSN221MQ30S has slightly larger dimensions (1.000" Dia / 25.40mm and 1.280" Height / 32.50mm) but remains mechanically compatible within standard PCB tolerances.

Q: What does ESR mean and why does it matter?

A: ESR (Equivalent Series Resistance) represents the internal resistance of the capacitor at a specified frequency. Lower ESR values indicate better performance, particularly in high-frequency ripple current applications. The original 227LBA350M2CD has 1.13036Ω @ 120Hz. The 380LQ221M400J022 substitute offers improved ESR at 905mΩ @ 120Hz. The B43305B9227M000 provides 620mΩ @ 100Hz. Lower ESR reduces heat generation and improves circuit efficiency.

Q: Can I use LGN2V221MELA30 as a direct replacement?

A: Yes. LGN2V221MELA30 maintains the original 350 V rating and is the only substitute with this exact voltage specification. It offers superior lifetime (3000 Hrs @ 105°C) and extended operating temperature range (-25°C to 105°C). It is RoHS3 compliant and in active production.

Q: What is the difference between lifetime ratings like "2000 Hrs @ 85°C" and "3000 Hrs @ 105°C"?

A: These ratings specify the expected operational lifetime under specific temperature conditions. A higher temperature rating (105°C vs. 85°C) with extended hours indicates superior thermal stability and longer service life in high-temperature environments. The original part is rated 2000 Hrs @ 85°C. Many substitutes offer 3000 Hrs @ 105°C, providing 50% longer life at higher temperatures.

Q: Is B43305B9227M000 suitable for new designs?

A: No. B43305B9227M000 is marked "Not For New Designs" and is included only for reference in legacy system maintenance. For new designs, select from active-status substitutes: LGN2V221MELA30, 380LQ221M400J022, 400MXK220MEFCSN25X30, 400USG220MEFCSN25X30, 400VXH220MEFCSN25X30, 420MXH220MEFCSN25X30, EKMS401VSN221MQ30S, LGG2G221MELA30, or LLG2G221MELA30.

Q: Which substitute offers the best overall performance?

A: 400VXH220MEFCSN25X30 (Rubycon VXH series) provides the highest lifetime rating (5000 Hrs @ 105°C), extended operating temperature range (-25°C to 105°C), 400 V voltage rating, and largest inventory availability (16,377 pcs). It is RoHS3 compliant and in active production.

Q: Can I mix different substitute parts in the same circuit?

A: Yes, provided all parts meet the circuit's electrical and thermal requirements. All listed substitutes maintain identical capacitance (220 µF), tolerance (±20%), mechanical dimensions, and mounting specifications. Mixing parts with different lifetime ratings or temperature ranges is acceptable as long as the most stringent application requirement is satisfied by all parts used.

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