SH331M063ST Equivalent & Substitute Parts Reference

Part Overview

The SH331M063ST is a 330 µF, 63 V aluminum electrolytic capacitor in radial, can package manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part operates across a temperature range of -40°C to 105°C with a rated lifetime of 2000 hours at 105°C, suitable for general-purpose bypass and decoupling applications in through-hole designs.

Key Parameters

Parameter	Value
Capacitance	330 µF
Voltage Rating	63 V
Tolerance	±20%
Package Type	Radial, Can
Mounting Type	Through Hole
Lead Spacing	0.197" (5.00 mm)
Operating Temperature Range	-40°C to 105°C
Polarization	Polar
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the SH331M063ST is determined by the following mandatory parameters:

Core Electrical Parameters:

Capacitance: 330 µF (exact match required)
Voltage Rating: 63 V (exact match required)
Tolerance: ±20% (exact match required)

Mechanical Parameters:

Package Type: Radial, Can (exact match required)
Mounting Type: Through Hole (exact match required)
Lead Spacing: 0.197" (5.00 mm) (exact match required)

Compliance Parameters:

RoHS Status: ROHS3 Compliant (required for regulatory alignment)

Substitute parts are grouped into two categories:

Upgrade Substitutes (EEU-EB1J331, EEU-FC1J331, UPW1J331MHD): These parts meet all core electrical and mechanical parameters while offering enhanced performance characteristics such as extended lifetime ratings or improved ripple current handling. These components are active products from established manufacturers.

Similar Part (337CKE100M): This part shares identical capacitance, tolerance, package type, and mounting configuration but operates at a higher voltage rating (100 V vs. 63 V). This part is suitable only when voltage derating is acceptable in the application circuit.

Parameter Comparison

Parameter	SH331M063ST (Main)	EEU-EB1J331	EEU-FC1J331	UPW1J331MHD	337CKE100M
Manufacturer	Cornell Dubilier Electronics	Panasonic	Panasonic	Nichicon	Cornell Dubilier / Illinois Capacitor
Capacitance	330 µF	330 µF	330 µF	330 µF	330 µF
Voltage Rating	63 V	63 V	63 V	63 V	100 V
Tolerance	±20%	±20%	±20%	±20%	±20%
Lifetime @ 105°C	2000 Hrs	10000 Hrs	5000 Hrs	7000 Hrs	2000 Hrs
Operating Temperature	-40°C to 105°C	-40°C to 105°C	-55°C to 105°C	-55°C to 105°C	-40°C to 105°C
Lead Spacing	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)	0.197" (5.00 mm)
Size / Dimension	0.512" Dia (13.00 mm)	0.492" Dia (12.50 mm)	0.492" Dia (12.50 mm)	0.492" Dia (12.50 mm)	0.492" Dia (12.50 mm)
Height - Seated (Max)	0.787" (20.00 mm)	0.866" (22.00 mm)	0.787" (20.00 mm)	0.787" (20.00 mm)	1.043" (26.50 mm)
Product Status	Obsolete	Active	Active	Not For New Designs	Active
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

For Direct Replacement (Preferred):

EEU-FC1J331 (Panasonic) is the primary recommended substitute. This part maintains identical electrical specifications (330 µF, 63 V, ±20%) and mechanical compatibility (lead spacing, through-hole mounting, radial can package). The component is an active product with ROHS3 compliance and AEC-Q200 automotive qualification. Height and diameter dimensions are compatible with the original design footprint. Extended lifetime rating (5000 hours at 105°C) provides improved reliability over the obsolete SH331M063ST.

EEU-EB1J331 (Panasonic) offers the highest lifetime rating (10000 hours at 105°C) among active substitutes. This part is suitable for applications requiring extended operational life. Height dimension (0.866") is slightly larger than the original part; verify PCB layout clearance before implementation.

UPW1J331MHD (Nichicon) provides equivalent electrical and mechanical specifications with 7000-hour lifetime rating. This part is classified as "Not For New Designs" and should be used only for legacy system maintenance where supply continuity is critical.

For Voltage-Derated Applications Only:

337CKE100M (Cornell Dubilier / Illinois Capacitor) is suitable only when circuit design permits operation at 100 V rating with 63 V applied voltage. This configuration introduces additional safety margin but increases physical dimensions (height 1.043"). Use this part only when PCB layout accommodates the larger form factor and when voltage derating is explicitly acceptable in the application specification.

Frequently Asked Questions (FAQ)

Q: Can EEU-EB1J331 be used as a direct replacement for SH331M063ST?

A: Yes. EEU-EB1J331 meets all mandatory electrical parameters (330 µF, 63 V, ±20% tolerance) and mechanical requirements (lead spacing 5.00 mm, through-hole radial can package). The primary consideration is height dimension: EEU-EB1J331 measures 0.866" (22.00 mm) versus the original 0.787" (20.00 mm). Verify PCB layout clearance before implementation.

Q: What is the difference between EEU-FC1J331 and EEU-EB1J331?

A: Both parts are Panasonic 330 µF, 63 V aluminum electrolytic capacitors with identical electrical specifications. EEU-FC1J331 features AEC-Q200 automotive qualification and 5000-hour lifetime rating at 105°C. EEU-EB1J331 offers extended 10000-hour lifetime rating. EEU-FC1J331 maintains the original height dimension (0.787"), while EEU-EB1J331 is slightly taller (0.866"). Select based on application requirements and available PCB space.

Q: Why is UPW1J331MHD marked "Not For New Designs"?

A: UPW1J331MHD is classified as "Not For New Designs" by Nichicon, indicating the product line is in end-of-life status. This part remains suitable for maintenance and repair of existing systems but should not be specified for new product development. For new designs, select EEU-FC1J331 or EEU-EB1J331.

Q: Can 337CKE100M replace SH331M063ST in any application?

A: 337CKE100M is electrically and mechanically compatible only when the application circuit can operate with a 100 V rated capacitor at 63 V applied voltage. This configuration provides voltage derating but increases physical dimensions (height 1.043" vs. 0.787"). Use this part only when PCB layout accommodates the larger form factor and when voltage derating is explicitly acceptable in the application specification.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts (EEU-EB1J331, EEU-FC1J331, UPW1J331MHD, and 337CKE100M) are ROHS3 compliant, maintaining regulatory alignment with the original SH331M063ST.

Q: What is the impact of different lifetime ratings on component selection?

A: Lifetime rating indicates expected operational duration at maximum rated temperature (105°C). SH331M063ST specifies 2000 hours; substitute parts offer 5000 to 10000 hours. Extended lifetime improves reliability in continuous-duty applications but does not affect electrical performance at lower operating temperatures. Select based on application duty cycle and required system reliability.

Q: Do substitute parts have identical ripple current ratings?

A: No. Ripple current ratings vary among substitutes. EEU-FC1J331 and UPW1J331MHD provide higher ripple current capacity (1.285 A and 1.29 A at 100 kHz respectively) compared to EEU-EB1J331 (495.3 mA at 100 kHz). For applications with high AC ripple current requirements, EEU-FC1J331 or UPW1J331MHD are preferred.

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