ESMG350ELL331MJC5S Equivalent & Substitute Parts Reference

Part Overview

The ESMG350ELL331MJC5S is a 330 µF, 35 V aluminum electrolytic capacitor manufactured by Chemi-Con in the SMG series. This radial, through-hole component is rated for 2000 hours at 85°C and is designed for general-purpose applications. The part is currently active and in stock with 719 units available.

Substitute parts are necessary when the original manufacturer discontinues production, when supply constraints occur, or when design requirements call for enhanced performance characteristics such as extended lifetime ratings or improved ripple current handling at higher operating temperatures.

Key Parameters

Parameter	Value	Unit
Capacitance	330	µF
Tolerance	±20%	—
Voltage - Rated	35	V
Lifetime @ Temperature	2000 Hrs @ 85°C	—
Operating Temperature Range	-40°C ~ 85°C	—
Polarization	Polar	—
Lead Spacing	5.00	mm
Size / Dimension	10.00 Dia	mm
Height - Seated (Max)	14.00	mm
Mounting Type	Through Hole	—
Package / Case	Radial, Can	—
RoHS Status	ROHS3 Compliant	—

Substitute Part Grouping Explanation

Substitution eligibility for the ESMG350ELL331MJC5S is determined by the following mandatory parameters:

Core Electrical Parameters (Must Match):

Capacitance: 330 µF
Tolerance: ±20%
Voltage Rating: 35 V
Polarization: Polar

Core Mechanical Parameters (Must Match):

Lead Spacing: 5.00 mm (0.197")
Size / Dimension: 10.00 mm diameter
Mounting Type: Through Hole
Package / Case: Radial, Can

Compliance Parameters (Must Match or Exceed):

RoHS Status: ROHS3 Compliant

Performance Parameters (May Vary):

Lifetime @ Temperature: May exceed 2000 Hrs @ 85°C
Operating Temperature Range: May extend beyond -40°C ~ 85°C
Ripple Current Ratings: May vary based on frequency
ESR (Equivalent Series Resistance): May vary

All substitute parts listed below meet the mandatory core electrical, mechanical, and compliance requirements. Variations in performance parameters represent either equivalent or upgraded alternatives suitable for direct replacement in the ESMG350ELL331MJC5S application.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Series	Capacitance (µF)	Voltage (V)	Lifetime @ Temp.	Operating Temp. Range (°C)	Lead Spacing (mm)	Height (mm)	Product Status	RoHS Status
ESMG350ELL331MJC5S	Chemi-Con	SMG	330	35	2000 Hrs @ 85°C	-40 ~ 85	5.00	14.00	Active	ROHS3 Compliant
35ZLQ330MEFC10X12.5	Rubycon	ZLQ	330	35	5000 Hrs @ 105°C	-40 ~ 105	5.00	14.00	Active	ROHS3 Compliant
B41821A7337M000	EPCOS - TDK Electronics	B41821	330	35	2000 Hrs @ 85°C	-40 ~ 85	5.00	13.50	Active	ROHS3 Compliant
ECA-1VHG331	Panasonic Electronic Components	NHG-A	330	35	2000 Hrs @ 105°C	-55 ~ 105	5.00	13.50	Active	ROHS3 Compliant
EEU-HD1V331	Panasonic Electronic Components	HD	330	35	2000 Hrs @ 105°C	-55 ~ 105	5.00	14.00	Active	ROHS3 Compliant
UHV1V331MPD	Nichicon	UHV	330	35	6000 Hrs @ 105°C	-40 ~ 105	5.00	14.00	Not For New Designs	ROHS3 Compliant
337CKE035M	Cornell Dubilier / Illinois Capacitor	CKE	330	35	2000 Hrs @ 105°C	-40 ~ 105	5.00	14.00	Active	ROHS3 Compliant
35YXJ330M10X12.5	Rubycon	YXJ	330	35	10000 Hrs @ 105°C	-40 ~ 105	5.00	14.00	Active	ROHS3 Compliant
35ZLH330MEFC10X12.5	Rubycon	ZLH	330	35	10000 Hrs @ 105°C	-40 ~ 105	5.00	14.00	Active	ROHS3 Compliant
35ZLS330MEFC10X12.5	Rubycon	ZLS	330	35	6000 Hrs @ 105°C	-40 ~ 105	5.00	14.00	Active	ROHS3 Compliant
ESH337M035AH1AA	KEMET	ESH	330	35	2000 Hrs @ 105°C	-40 ~ 105	5.00	13.50	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (Identical Performance Profile):

The B41821A7337M000 (EPCOS - TDK Electronics) is a direct equivalent to the ESMG350ELL331MJC5S. Both parts share identical electrical ratings (330 µF, 35 V, ±20% tolerance), identical lifetime specifications (2000 Hrs @ 85°C), and identical operating temperature range (-40°C ~ 85°C). The B41821A7337M000 is Active status and ROHS3 compliant. Height difference is 0.50 mm (13.50 mm vs. 14.00 mm), which remains within typical PCB layout tolerances for through-hole radial capacitors.

Enhanced Performance Alternatives (Active Status):

The following parts are Active status and provide extended lifetime or expanded operating temperature ranges:

35ZLQ330MEFC10X12.5 (Rubycon ZLQ): 5000 Hrs @ 105°C, extended temperature range to 105°C
ECA-1VHG331 (Panasonic NHG-A): 2000 Hrs @ 105°C, extended temperature range to -55°C ~ 105°C
EEU-HD1V331 (Panasonic HD): 2000 Hrs @ 105°C, extended temperature range to -55°C ~ 105°C
337CKE035M (Cornell Dubilier CKE): 2000 Hrs @ 105°C, extended temperature range to -40°C ~ 105°C
35YXJ330M10X12.5 (Rubycon YXJ): 10000 Hrs @ 105°C, extended temperature range to -40°C ~ 105°C
35ZLH330MEFC10X12.5 (Rubycon ZLH): 10000 Hrs @ 105°C, extended temperature range to -40°C ~ 105°C
35ZLS330MEFC10X12.5 (Rubycon ZLS): 6000 Hrs @ 105°C, extended temperature range to -40°C ~ 105°C
ESH337M035AH1AA (KEMET ESH): 2000 Hrs @ 105°C, extended temperature range to -40°C ~ 105°C

Not Recommended for New Designs:

The UHV1V331MPD (Nichicon UHV) is marked "Not For New Designs" and should not be selected for new circuit implementations, despite its superior 6000 Hrs @ 105°C lifetime rating.

All recommended parts are ROHS3 compliant and maintain the required 5.00 mm lead spacing and 10.00 mm diameter for direct PCB footprint compatibility.

Frequently Asked Questions (FAQ)

Q: Can I substitute the ESMG350ELL331MJC5S with any of the listed parts?

A: Yes, all listed parts meet the mandatory electrical and mechanical parameters: 330 µF capacitance, ±20% tolerance, 35 V rating, 5.00 mm lead spacing, 10.00 mm diameter, through-hole radial package, and ROHS3 compliance. Physical height varies between 13.50 mm and 14.00 mm, which is acceptable for standard through-hole PCB layouts.

Q: What is the difference between "Direct Equivalent" and "Enhanced Performance" substitutes?

A: Direct equivalents share identical lifetime and operating temperature specifications with the original part. Enhanced performance alternatives extend either the lifetime rating (from 2000 hours to 5000, 6000, or 10000 hours) or the maximum operating temperature (from 85°C to 105°C), or both. Enhanced parts are suitable for applications requiring improved reliability or operation in higher-temperature environments.

Q: Does the height difference between 13.50 mm and 14.00 mm affect PCB compatibility?

A: No. The 0.50 mm height variation is within standard tolerances for through-hole radial capacitor footprints. Both dimensions are accommodated by standard PCB design rules for this package type.

Q: Why is the UHV1V331MPD marked "Not For New Designs"?

A: The UHV1V331MPD carries a "Not For New Designs" status from the manufacturer, indicating that Nichicon is transitioning this series out of production. While the part remains available in inventory, it should not be selected for new circuit designs. Alternative parts with equivalent or superior performance are available from other manufacturers.

Q: What is the significance of the operating temperature range extension?

A: Parts with extended operating temperature ranges (such as -55°C ~ 105°C versus -40°C ~ 85°C) provide greater flexibility for applications in extreme thermal environments. However, the lifetime rating at the elevated temperature is the controlling factor for reliability calculations. A part rated 2000 Hrs @ 105°C will degrade at that temperature according to the 2000-hour specification, regardless of the extended range.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All parts listed in this reference are ROHS3 compliant, ensuring compatibility with RoHS3 regulatory requirements.

Q: Which substitute offers the longest operational lifetime?

A: The 35YXJ330M10X12.5 (Rubycon YXJ) and 35ZLH330MEFC10X12.5 (Rubycon ZLH) both offer 10000 Hrs @ 105°C, the longest lifetime rating among all listed alternatives.

Q: Can I use a substitute with a lower ripple current rating?

A: No. Ripple current ratings must meet or exceed the application requirement. Substitutes with lower ripple current ratings will experience accelerated degradation and reduced operational lifetime under the same ripple current stress.

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