337HSM063M Equivalent & Substitute Parts Reference

Part Overview

The 337HSM063M is a 330 µF, 63 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier / Illinois Capacitor. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The part operates across a temperature range of -40°C to 125°C with a rated lifetime of 2000 hours at 125°C, suitable for general-purpose applications requiring through-hole radial capacitor mounting.

Key Parameters

Parameter	Value	Unit
Capacitance	330	µF
Voltage - Rated	63	V
Tolerance	±20%	-
ESR @ 120Hz	502	mOhm
Lifetime @ 125°C	2000	Hrs
Operating Temperature Range	-40 to 125	°C
Ripple Current @ 120 Hz	480	mA
Ripple Current @ 10 kHz	600	mA
Lead Spacing	5.00	mm
Diameter	12.50	mm
Height - Seated (Max)	26.50	mm
Mounting Type	Through Hole	-
Package / Case	Radial, Can	-
Polarization	Polar	-

Substitute Part Grouping Explanation

Substitution of the 337HSM063M is determined by the following critical parameters:

Primary Matching Criteria:

Capacitance: 330 µF (exact match required)
Voltage Rating: 63 V minimum (equal or higher voltage rating acceptable)
Tolerance: ±20% (standard tolerance match)
Package Type: Radial, Can, Through Hole (physical and electrical interface compatibility)
Lead Spacing: 5.00 mm (0.197 inches)
Diameter: 12.50 mm
Polarization: Polar (electrolytic type)

Secondary Performance Parameters:

Operating Temperature Range: -40°C to 125°C minimum
ESR and Ripple Current: Performance characteristics that may vary within acceptable limits
Lifetime @ Temperature: Enhanced lifetime acceptable for improved reliability

Substitute parts are grouped into two categories: direct equivalents (matching voltage rating of 63 V) and upgrades (higher voltage rating of 80 V or enhanced thermal performance). All substitute parts maintain identical lead spacing, diameter, and through-hole mounting compatibility with the original 337HSM063M footprint.

Parameter Comparison

Parameter	337HSM063M (Original)	EGXF800ELL331MK25S	63RX30330M12.5X25	MAL214658331E3	MAL214668331E3	UBT1J331MHD8	UBW1J331MHD
Manufacturer	Cornell Dubilier / Illinois Capacitor	Chemi-Con	Rubycon	Vishay Beyschlag/Draloric/BC Components	Vishay Beyschlag/Draloric/BC Components	Nichicon	Nichicon
Series	HSM	GXF	RX30	146 RTI	146 RTI	UBT	UBW
Capacitance	330 µF	330 µF	330 µF	330 µF	330 µF	330 µF	330 µF
Voltage - Rated	63 V	80 V	63 V	63 V	63 V	63 V	63 V
Tolerance	±20%	±20%	±20%	±20%	±20%	±20%	±20%
Operating Temperature Range	-40 to 125°C	-40 to 125°C	-40 to 130°C	-55 to 125°C	-55 to 125°C	-40 to 125°C	-55 to 135°C
Lifetime @ Temperature	2000 Hrs @ 125°C	3000 Hrs @ 125°C	4000 Hrs @ 130°C	5000 Hrs @ 125°C	5000 Hrs @ 125°C	5000 Hrs @ 125°C	3000 Hrs @ 135°C
Lead Spacing	5.00 mm	5.00 mm	5.00 mm	5.00 mm	5.00 mm	5.00 mm	5.00 mm
Diameter	12.50 mm	12.50 mm	12.50 mm	12.50 mm	12.50 mm	12.50 mm	12.50 mm
Height - Seated (Max)	26.50 mm	26.50 mm	27.00 mm	27.00 mm	27.00 mm	27.00 mm	27.00 mm
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can	Radial, Can
Product Status	Obsolete	Active	Active	Active	Active	Active	Active
Ratings	-	AEC-Q200	AEC-Q200	AEC-Q200	AEC-Q200	-	-
RoHS Status	-	RoHS Compliant	ROHS3 Compliant	-	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

Direct Equivalents (63 V Rating):

The following parts provide direct substitution with identical voltage rating and footprint compatibility:

63RX30330M12.5X25 (Rubycon RX30): Active product with AEC-Q200 automotive qualification. Offers extended lifetime of 4000 hours at 130°C and expanded operating temperature range to 130°C. Height increases to 27.00 mm (0.5 mm above original). Suitable for applications requiring enhanced thermal performance and automotive-grade reliability.
MAL214658331E3 (Vishay 146 RTI): Active product with AEC-Q200 automotive qualification. Provides 5000-hour lifetime at 125°C with extended operating temperature range of -55°C to 125°C. Height increases to 27.00 mm. Suitable for automotive and extended temperature applications.
MAL214668331E3 (Vishay 146 RTI): Active product with AEC-Q200 automotive qualification and ROHS3 compliance. Delivers 5000-hour lifetime at 125°C with extended operating temperature range of -55°C to 125°C. Height increases to 27.00 mm. Recommended for new designs requiring regulatory compliance.
UBT1J331MHD8 (Nichicon UBT): Active product with 5000-hour lifetime at 125°C. Operating temperature range -40°C to 125°C matches original. Height increases to 27.00 mm. ROHS3 compliant. Suitable for general-purpose applications with extended reliability.
UBW1J331MHD (Nichicon UBW): Active product with extended operating temperature range of -55°C to 135°C. Provides 3000-hour lifetime at 135°C. Height increases to 27.00 mm. ROHS3 compliant. Suitable for high-temperature applications.

Voltage Upgrade Option:

EGXF800ELL331MK25S (Chemi-Con GXF): Active product with 80 V rating (upgrade from 63 V). AEC-Q200 automotive qualified. Provides 3000-hour lifetime at 125°C. Maintains original height of 26.50 mm and lead spacing. Suitable for applications where higher voltage margin is required or where 80 V rated components are standardized.

Selection Criteria:

For general-purpose applications with standard operating conditions, select from direct 63 V equivalents (Rubycon, Vishay, or Nichicon). For automotive applications, prioritize parts with AEC-Q200 certification (Rubycon 63RX30330M12.5X25, Vishay MAL214668331E3, or Chemi-Con EGXF800ELL331MK25S). For extended temperature operation, select Nichicon UBW1J331MHD or Vishay parts with -55°C lower temperature limit. For new designs, prioritize active products with ROHS3 compliance.

Frequently Asked Questions (FAQ)

Q: Can I use the EGXF800ELL331MK25S (80 V) as a direct replacement for the 337HSM063M (63 V)?

A: Yes. The EGXF800ELL331MK25S maintains identical capacitance (330 µF), tolerance (±20%), lead spacing (5.00 mm), diameter (12.50 mm), and through-hole mounting compatibility. The higher voltage rating (80 V vs. 63 V) provides additional voltage margin and does not create compatibility issues. The height remains at 26.50 mm, matching the original footprint exactly.

Q: What is the difference between the Vishay MAL214658331E3 and MAL214668331E3?

A: Both parts are from the Vishay 146 RTI series with identical electrical specifications: 330 µF, 63 V, ±20% tolerance, 5000-hour lifetime at 125°C, and -55°C to 125°C operating range. The primary difference is that MAL214668331E3 carries ROHS3 compliance certification, while MAL214658331E3 does not specify this compliance. Both maintain 5.00 mm lead spacing and 12.50 mm diameter. For new designs, MAL214668331E3 is recommended.

Q: Why do some substitute parts have a height of 27.00 mm instead of 26.50 mm?

A: The 0.5 mm height increase (from 26.50 mm to 27.00 mm) is within standard manufacturing tolerances for aluminum electrolytic capacitors and does not affect electrical performance or circuit board compatibility in most applications. This minor dimensional variation is typical when sourcing from different manufacturers. Verify board clearance if space constraints are critical.

Q: Are all substitute parts suitable for automotive applications?

A: Parts with AEC-Q200 certification are qualified for automotive use: EGXF800ELL331MK25S (Chemi-Con), 63RX30330M12.5X25 (Rubycon), MAL214658331E3 (Vishay), and MAL214668331E3 (Vishay). The Nichicon UBT1J331MHD8 and UBW1J331MHD do not carry AEC-Q200 certification and are suitable for general-purpose applications. For automotive designs, select from AEC-Q200 qualified parts.

Q: What does ROHS3 compliance mean for this capacitor?

A: ROHS3 compliance indicates the part meets Restriction of Hazardous Substances Directive requirements, restricting the use of specific hazardous materials including lead, mercury, cadmium, and certain flame retardants. Parts with ROHS3 compliance (Rubycon 63RX30330M12.5X25, Vishay MAL214668331E3, Nichicon UBT1J331MHD8, and UBW1J331MHD) are suitable for applications subject to environmental regulations and are recommended for new product designs.

Q: Can I use a substitute part with a longer lifetime (5000 hours vs. 2000 hours) without circuit modifications?

A: Yes. Extended lifetime specifications indicate improved reliability and thermal performance but do not alter electrical characteristics. Parts with 5000-hour ratings (Vishay MAL214658331E3, MAL214668331E3, and Nichicon UBT1J331MHD8) are direct electrical equivalents to the original 337HSM063M and require no circuit modifications. The longer lifetime provides design margin and improved field reliability.

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

A: ESR values vary based on measurement frequency and manufacturing series. The original 337HSM063M specifies 502 mOhm @ 120 Hz, while substitutes specify values at different frequencies (72-120 mOhm @ 100 kHz). Lower ESR values indicate better high-frequency performance and reduced heat generation. Substitutes with lower ESR provide improved ripple current handling and thermal characteristics, which is beneficial for circuit performance.

Q: Is the 337HSM063M still available for purchase?

A: The 337HSM063M is classified as obsolete. Current inventory of 902 pieces is available from existing stock, but long-term availability is not guaranteed. For new designs and ongoing production, selection of an active substitute part is recommended to ensure supply chain continuity.

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